Determination of Moisture Sorption Characteristics of Oat Flour by Static and Dynamic Techniques with and Without Thymol as an Antimicrobial Agent
Abstract The effectiveness of thymol as an antimicrobial agent during the determination of equilibrium moisture sorption data at high-water activities (0.50–0.98) was studied at 5, 23, and 45 °C in oat flour. The static gravimetric (SG) method (with and without added thymol) and the dynamic vapor so...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Sandoval, Aleida J. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2011 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media, LLC 2011 |
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| Übergeordnetes Werk: |
Enthalten in: Food biophysics - New York, NY : Springer, 2006, 6(2011), 3 vom: 05. Apr., Seite 424-432 |
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| Übergeordnetes Werk: |
volume:6 ; year:2011 ; number:3 ; day:05 ; month:04 ; pages:424-432 |
| Links: |
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| DOI / URN: |
10.1007/s11483-011-9221-4 |
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SPR020041667 |
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| 100 | 1 | |a Sandoval, Aleida J. |e verfasserin |4 aut | |
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| 520 | |a Abstract The effectiveness of thymol as an antimicrobial agent during the determination of equilibrium moisture sorption data at high-water activities (0.50–0.98) was studied at 5, 23, and 45 °C in oat flour. The static gravimetric (SG) method (with and without added thymol) and the dynamic vapor sorption technique (DVS) were used. Microbial growth in samples conditioned in these environments at temperatures of 5 and 45 °C was null indicating no need for the use of thymol at these temperatures. However, samples confined in environments kept at 23 °C, when the SG method was used, needed addition of thymol since mold growth took place in its absence. The statistical comparison between experimental equilibrium moisture content (EMC) mean values showed that, at 45 °C, EMC values obtained using the SG technique with added thymol were significantly higher than those obtained without thymol by both SG and DVS techniques. This could indicate an interaction of thymol with food components or absorption by lipids present. Therefore, caution must be exerted when using thymol as an antimicrobial agent at elevated temperatures and high equilibrium relative humidity. Moisture adsorption isotherms for oat flour were determined using a DVS technique and no isotherm crossover with temperature, as previously reported for this product using thymol as an antimicrobial agent, was exhibited. Moisture sorption data obtained in this work by DVS can be considered more accurate than those previously reported for oat flour, since no external agent was involved during isotherm determinations. | ||
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| 650 | 4 | |a Thymol |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Oat flour |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Water activity |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Guilarte, Doralys |4 aut | |
| 700 | 1 | |a Barreiro, José A. |4 aut | |
| 700 | 1 | |a Lucci, Elissabetta |4 aut | |
| 700 | 1 | |a Müller, Alejandro J. |4 aut | |
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10.1007/s11483-011-9221-4 doi (DE-627)SPR020041667 (SPR)s11483-011-9221-4-e DE-627 ger DE-627 rakwb eng Sandoval, Aleida J. verfasserin aut Determination of Moisture Sorption Characteristics of Oat Flour by Static and Dynamic Techniques with and Without Thymol as an Antimicrobial Agent 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Science+Business Media, LLC 2011 Abstract The effectiveness of thymol as an antimicrobial agent during the determination of equilibrium moisture sorption data at high-water activities (0.50–0.98) was studied at 5, 23, and 45 °C in oat flour. The static gravimetric (SG) method (with and without added thymol) and the dynamic vapor sorption technique (DVS) were used. Microbial growth in samples conditioned in these environments at temperatures of 5 and 45 °C was null indicating no need for the use of thymol at these temperatures. However, samples confined in environments kept at 23 °C, when the SG method was used, needed addition of thymol since mold growth took place in its absence. The statistical comparison between experimental equilibrium moisture content (EMC) mean values showed that, at 45 °C, EMC values obtained using the SG technique with added thymol were significantly higher than those obtained without thymol by both SG and DVS techniques. This could indicate an interaction of thymol with food components or absorption by lipids present. Therefore, caution must be exerted when using thymol as an antimicrobial agent at elevated temperatures and high equilibrium relative humidity. Moisture adsorption isotherms for oat flour were determined using a DVS technique and no isotherm crossover with temperature, as previously reported for this product using thymol as an antimicrobial agent, was exhibited. Moisture sorption data obtained in this work by DVS can be considered more accurate than those previously reported for oat flour, since no external agent was involved during isotherm determinations. Sorption isotherms (dpeaa)DE-He213 Thymol (dpeaa)DE-He213 Oat flour (dpeaa)DE-He213 Water activity (dpeaa)DE-He213 Guilarte, Doralys aut Barreiro, José A. aut Lucci, Elissabetta aut Müller, Alejandro J. aut Enthalten in Food biophysics New York, NY : Springer, 2006 6(2011), 3 vom: 05. Apr., Seite 424-432 (DE-627)51061714X (DE-600)2231378-3 1557-1866 nnns volume:6 year:2011 number:3 day:05 month:04 pages:424-432 https://dx.doi.org/10.1007/s11483-011-9221-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 6 2011 3 05 04 424-432 |
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10.1007/s11483-011-9221-4 doi (DE-627)SPR020041667 (SPR)s11483-011-9221-4-e DE-627 ger DE-627 rakwb eng Sandoval, Aleida J. verfasserin aut Determination of Moisture Sorption Characteristics of Oat Flour by Static and Dynamic Techniques with and Without Thymol as an Antimicrobial Agent 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Science+Business Media, LLC 2011 Abstract The effectiveness of thymol as an antimicrobial agent during the determination of equilibrium moisture sorption data at high-water activities (0.50–0.98) was studied at 5, 23, and 45 °C in oat flour. The static gravimetric (SG) method (with and without added thymol) and the dynamic vapor sorption technique (DVS) were used. Microbial growth in samples conditioned in these environments at temperatures of 5 and 45 °C was null indicating no need for the use of thymol at these temperatures. However, samples confined in environments kept at 23 °C, when the SG method was used, needed addition of thymol since mold growth took place in its absence. The statistical comparison between experimental equilibrium moisture content (EMC) mean values showed that, at 45 °C, EMC values obtained using the SG technique with added thymol were significantly higher than those obtained without thymol by both SG and DVS techniques. This could indicate an interaction of thymol with food components or absorption by lipids present. Therefore, caution must be exerted when using thymol as an antimicrobial agent at elevated temperatures and high equilibrium relative humidity. Moisture adsorption isotherms for oat flour were determined using a DVS technique and no isotherm crossover with temperature, as previously reported for this product using thymol as an antimicrobial agent, was exhibited. Moisture sorption data obtained in this work by DVS can be considered more accurate than those previously reported for oat flour, since no external agent was involved during isotherm determinations. Sorption isotherms (dpeaa)DE-He213 Thymol (dpeaa)DE-He213 Oat flour (dpeaa)DE-He213 Water activity (dpeaa)DE-He213 Guilarte, Doralys aut Barreiro, José A. aut Lucci, Elissabetta aut Müller, Alejandro J. aut Enthalten in Food biophysics New York, NY : Springer, 2006 6(2011), 3 vom: 05. Apr., Seite 424-432 (DE-627)51061714X (DE-600)2231378-3 1557-1866 nnns volume:6 year:2011 number:3 day:05 month:04 pages:424-432 https://dx.doi.org/10.1007/s11483-011-9221-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 6 2011 3 05 04 424-432 |
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10.1007/s11483-011-9221-4 doi (DE-627)SPR020041667 (SPR)s11483-011-9221-4-e DE-627 ger DE-627 rakwb eng Sandoval, Aleida J. verfasserin aut Determination of Moisture Sorption Characteristics of Oat Flour by Static and Dynamic Techniques with and Without Thymol as an Antimicrobial Agent 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Science+Business Media, LLC 2011 Abstract The effectiveness of thymol as an antimicrobial agent during the determination of equilibrium moisture sorption data at high-water activities (0.50–0.98) was studied at 5, 23, and 45 °C in oat flour. The static gravimetric (SG) method (with and without added thymol) and the dynamic vapor sorption technique (DVS) were used. Microbial growth in samples conditioned in these environments at temperatures of 5 and 45 °C was null indicating no need for the use of thymol at these temperatures. However, samples confined in environments kept at 23 °C, when the SG method was used, needed addition of thymol since mold growth took place in its absence. The statistical comparison between experimental equilibrium moisture content (EMC) mean values showed that, at 45 °C, EMC values obtained using the SG technique with added thymol were significantly higher than those obtained without thymol by both SG and DVS techniques. This could indicate an interaction of thymol with food components or absorption by lipids present. Therefore, caution must be exerted when using thymol as an antimicrobial agent at elevated temperatures and high equilibrium relative humidity. Moisture adsorption isotherms for oat flour were determined using a DVS technique and no isotherm crossover with temperature, as previously reported for this product using thymol as an antimicrobial agent, was exhibited. Moisture sorption data obtained in this work by DVS can be considered more accurate than those previously reported for oat flour, since no external agent was involved during isotherm determinations. Sorption isotherms (dpeaa)DE-He213 Thymol (dpeaa)DE-He213 Oat flour (dpeaa)DE-He213 Water activity (dpeaa)DE-He213 Guilarte, Doralys aut Barreiro, José A. aut Lucci, Elissabetta aut Müller, Alejandro J. aut Enthalten in Food biophysics New York, NY : Springer, 2006 6(2011), 3 vom: 05. Apr., Seite 424-432 (DE-627)51061714X (DE-600)2231378-3 1557-1866 nnns volume:6 year:2011 number:3 day:05 month:04 pages:424-432 https://dx.doi.org/10.1007/s11483-011-9221-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 6 2011 3 05 04 424-432 |
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10.1007/s11483-011-9221-4 doi (DE-627)SPR020041667 (SPR)s11483-011-9221-4-e DE-627 ger DE-627 rakwb eng Sandoval, Aleida J. verfasserin aut Determination of Moisture Sorption Characteristics of Oat Flour by Static and Dynamic Techniques with and Without Thymol as an Antimicrobial Agent 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Science+Business Media, LLC 2011 Abstract The effectiveness of thymol as an antimicrobial agent during the determination of equilibrium moisture sorption data at high-water activities (0.50–0.98) was studied at 5, 23, and 45 °C in oat flour. The static gravimetric (SG) method (with and without added thymol) and the dynamic vapor sorption technique (DVS) were used. Microbial growth in samples conditioned in these environments at temperatures of 5 and 45 °C was null indicating no need for the use of thymol at these temperatures. However, samples confined in environments kept at 23 °C, when the SG method was used, needed addition of thymol since mold growth took place in its absence. The statistical comparison between experimental equilibrium moisture content (EMC) mean values showed that, at 45 °C, EMC values obtained using the SG technique with added thymol were significantly higher than those obtained without thymol by both SG and DVS techniques. This could indicate an interaction of thymol with food components or absorption by lipids present. Therefore, caution must be exerted when using thymol as an antimicrobial agent at elevated temperatures and high equilibrium relative humidity. Moisture adsorption isotherms for oat flour were determined using a DVS technique and no isotherm crossover with temperature, as previously reported for this product using thymol as an antimicrobial agent, was exhibited. Moisture sorption data obtained in this work by DVS can be considered more accurate than those previously reported for oat flour, since no external agent was involved during isotherm determinations. Sorption isotherms (dpeaa)DE-He213 Thymol (dpeaa)DE-He213 Oat flour (dpeaa)DE-He213 Water activity (dpeaa)DE-He213 Guilarte, Doralys aut Barreiro, José A. aut Lucci, Elissabetta aut Müller, Alejandro J. aut Enthalten in Food biophysics New York, NY : Springer, 2006 6(2011), 3 vom: 05. Apr., Seite 424-432 (DE-627)51061714X (DE-600)2231378-3 1557-1866 nnns volume:6 year:2011 number:3 day:05 month:04 pages:424-432 https://dx.doi.org/10.1007/s11483-011-9221-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 6 2011 3 05 04 424-432 |
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10.1007/s11483-011-9221-4 doi (DE-627)SPR020041667 (SPR)s11483-011-9221-4-e DE-627 ger DE-627 rakwb eng Sandoval, Aleida J. verfasserin aut Determination of Moisture Sorption Characteristics of Oat Flour by Static and Dynamic Techniques with and Without Thymol as an Antimicrobial Agent 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Science+Business Media, LLC 2011 Abstract The effectiveness of thymol as an antimicrobial agent during the determination of equilibrium moisture sorption data at high-water activities (0.50–0.98) was studied at 5, 23, and 45 °C in oat flour. The static gravimetric (SG) method (with and without added thymol) and the dynamic vapor sorption technique (DVS) were used. Microbial growth in samples conditioned in these environments at temperatures of 5 and 45 °C was null indicating no need for the use of thymol at these temperatures. However, samples confined in environments kept at 23 °C, when the SG method was used, needed addition of thymol since mold growth took place in its absence. The statistical comparison between experimental equilibrium moisture content (EMC) mean values showed that, at 45 °C, EMC values obtained using the SG technique with added thymol were significantly higher than those obtained without thymol by both SG and DVS techniques. This could indicate an interaction of thymol with food components or absorption by lipids present. Therefore, caution must be exerted when using thymol as an antimicrobial agent at elevated temperatures and high equilibrium relative humidity. Moisture adsorption isotherms for oat flour were determined using a DVS technique and no isotherm crossover with temperature, as previously reported for this product using thymol as an antimicrobial agent, was exhibited. Moisture sorption data obtained in this work by DVS can be considered more accurate than those previously reported for oat flour, since no external agent was involved during isotherm determinations. Sorption isotherms (dpeaa)DE-He213 Thymol (dpeaa)DE-He213 Oat flour (dpeaa)DE-He213 Water activity (dpeaa)DE-He213 Guilarte, Doralys aut Barreiro, José A. aut Lucci, Elissabetta aut Müller, Alejandro J. aut Enthalten in Food biophysics New York, NY : Springer, 2006 6(2011), 3 vom: 05. Apr., Seite 424-432 (DE-627)51061714X (DE-600)2231378-3 1557-1866 nnns volume:6 year:2011 number:3 day:05 month:04 pages:424-432 https://dx.doi.org/10.1007/s11483-011-9221-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 6 2011 3 05 04 424-432 |
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Enthalten in Food biophysics 6(2011), 3 vom: 05. Apr., Seite 424-432 volume:6 year:2011 number:3 day:05 month:04 pages:424-432 |
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Enthalten in Food biophysics 6(2011), 3 vom: 05. Apr., Seite 424-432 volume:6 year:2011 number:3 day:05 month:04 pages:424-432 |
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Sandoval, Aleida J. @@aut@@ Guilarte, Doralys @@aut@@ Barreiro, José A. @@aut@@ Lucci, Elissabetta @@aut@@ Müller, Alejandro J. @@aut@@ |
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The static gravimetric (SG) method (with and without added thymol) and the dynamic vapor sorption technique (DVS) were used. Microbial growth in samples conditioned in these environments at temperatures of 5 and 45 °C was null indicating no need for the use of thymol at these temperatures. However, samples confined in environments kept at 23 °C, when the SG method was used, needed addition of thymol since mold growth took place in its absence. The statistical comparison between experimental equilibrium moisture content (EMC) mean values showed that, at 45 °C, EMC values obtained using the SG technique with added thymol were significantly higher than those obtained without thymol by both SG and DVS techniques. This could indicate an interaction of thymol with food components or absorption by lipids present. Therefore, caution must be exerted when using thymol as an antimicrobial agent at elevated temperatures and high equilibrium relative humidity. Moisture adsorption isotherms for oat flour were determined using a DVS technique and no isotherm crossover with temperature, as previously reported for this product using thymol as an antimicrobial agent, was exhibited. 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Sandoval, Aleida J. |
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Sandoval, Aleida J. misc Sorption isotherms misc Thymol misc Oat flour misc Water activity Determination of Moisture Sorption Characteristics of Oat Flour by Static and Dynamic Techniques with and Without Thymol as an Antimicrobial Agent |
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Determination of Moisture Sorption Characteristics of Oat Flour by Static and Dynamic Techniques with and Without Thymol as an Antimicrobial Agent Sorption isotherms (dpeaa)DE-He213 Thymol (dpeaa)DE-He213 Oat flour (dpeaa)DE-He213 Water activity (dpeaa)DE-He213 |
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Determination of Moisture Sorption Characteristics of Oat Flour by Static and Dynamic Techniques with and Without Thymol as an Antimicrobial Agent |
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Determination of Moisture Sorption Characteristics of Oat Flour by Static and Dynamic Techniques with and Without Thymol as an Antimicrobial Agent |
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Sandoval, Aleida J. Guilarte, Doralys Barreiro, José A. Lucci, Elissabetta Müller, Alejandro J. |
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Sandoval, Aleida J. |
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10.1007/s11483-011-9221-4 |
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determination of moisture sorption characteristics of oat flour by static and dynamic techniques with and without thymol as an antimicrobial agent |
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Determination of Moisture Sorption Characteristics of Oat Flour by Static and Dynamic Techniques with and Without Thymol as an Antimicrobial Agent |
| abstract |
Abstract The effectiveness of thymol as an antimicrobial agent during the determination of equilibrium moisture sorption data at high-water activities (0.50–0.98) was studied at 5, 23, and 45 °C in oat flour. The static gravimetric (SG) method (with and without added thymol) and the dynamic vapor sorption technique (DVS) were used. Microbial growth in samples conditioned in these environments at temperatures of 5 and 45 °C was null indicating no need for the use of thymol at these temperatures. However, samples confined in environments kept at 23 °C, when the SG method was used, needed addition of thymol since mold growth took place in its absence. The statistical comparison between experimental equilibrium moisture content (EMC) mean values showed that, at 45 °C, EMC values obtained using the SG technique with added thymol were significantly higher than those obtained without thymol by both SG and DVS techniques. This could indicate an interaction of thymol with food components or absorption by lipids present. Therefore, caution must be exerted when using thymol as an antimicrobial agent at elevated temperatures and high equilibrium relative humidity. Moisture adsorption isotherms for oat flour were determined using a DVS technique and no isotherm crossover with temperature, as previously reported for this product using thymol as an antimicrobial agent, was exhibited. Moisture sorption data obtained in this work by DVS can be considered more accurate than those previously reported for oat flour, since no external agent was involved during isotherm determinations. © Springer Science+Business Media, LLC 2011 |
| abstractGer |
Abstract The effectiveness of thymol as an antimicrobial agent during the determination of equilibrium moisture sorption data at high-water activities (0.50–0.98) was studied at 5, 23, and 45 °C in oat flour. The static gravimetric (SG) method (with and without added thymol) and the dynamic vapor sorption technique (DVS) were used. Microbial growth in samples conditioned in these environments at temperatures of 5 and 45 °C was null indicating no need for the use of thymol at these temperatures. However, samples confined in environments kept at 23 °C, when the SG method was used, needed addition of thymol since mold growth took place in its absence. The statistical comparison between experimental equilibrium moisture content (EMC) mean values showed that, at 45 °C, EMC values obtained using the SG technique with added thymol were significantly higher than those obtained without thymol by both SG and DVS techniques. This could indicate an interaction of thymol with food components or absorption by lipids present. Therefore, caution must be exerted when using thymol as an antimicrobial agent at elevated temperatures and high equilibrium relative humidity. Moisture adsorption isotherms for oat flour were determined using a DVS technique and no isotherm crossover with temperature, as previously reported for this product using thymol as an antimicrobial agent, was exhibited. Moisture sorption data obtained in this work by DVS can be considered more accurate than those previously reported for oat flour, since no external agent was involved during isotherm determinations. © Springer Science+Business Media, LLC 2011 |
| abstract_unstemmed |
Abstract The effectiveness of thymol as an antimicrobial agent during the determination of equilibrium moisture sorption data at high-water activities (0.50–0.98) was studied at 5, 23, and 45 °C in oat flour. The static gravimetric (SG) method (with and without added thymol) and the dynamic vapor sorption technique (DVS) were used. Microbial growth in samples conditioned in these environments at temperatures of 5 and 45 °C was null indicating no need for the use of thymol at these temperatures. However, samples confined in environments kept at 23 °C, when the SG method was used, needed addition of thymol since mold growth took place in its absence. The statistical comparison between experimental equilibrium moisture content (EMC) mean values showed that, at 45 °C, EMC values obtained using the SG technique with added thymol were significantly higher than those obtained without thymol by both SG and DVS techniques. This could indicate an interaction of thymol with food components or absorption by lipids present. Therefore, caution must be exerted when using thymol as an antimicrobial agent at elevated temperatures and high equilibrium relative humidity. Moisture adsorption isotherms for oat flour were determined using a DVS technique and no isotherm crossover with temperature, as previously reported for this product using thymol as an antimicrobial agent, was exhibited. Moisture sorption data obtained in this work by DVS can be considered more accurate than those previously reported for oat flour, since no external agent was involved during isotherm determinations. © Springer Science+Business Media, LLC 2011 |
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Determination of Moisture Sorption Characteristics of Oat Flour by Static and Dynamic Techniques with and Without Thymol as an Antimicrobial Agent |
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Guilarte, Doralys Barreiro, José A. Lucci, Elissabetta Müller, Alejandro J. |
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| score |
7.401184 |