Anomalous association of salivary amylase secretion with the postprandial glycaemic response to starch
Background This study is an investigation as to whether salivary amylase secretory rates are correlated with the magnitude of postprandial glycaemic responses to starch ingestion in healthy young Malaysian adults. Methods Fasting unstimulated and stimulated salivary amylase secretory rates were meas...
Ausführliche Beschreibung
Autor*in: |
Barling, Peter Michael [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2016 |
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Anmerkung: |
© The Author(s). 2016 |
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Übergeordnetes Werk: |
Enthalten in: BMC nutrition - London : BioMed Central, 2015, 2(2016), 1 vom: 17. Aug. |
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Übergeordnetes Werk: |
volume:2 ; year:2016 ; number:1 ; day:17 ; month:08 |
Links: |
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DOI / URN: |
10.1186/s40795-016-0088-0 |
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Katalog-ID: |
SPR037770659 |
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245 | 1 | 0 | |a Anomalous association of salivary amylase secretion with the postprandial glycaemic response to starch |
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520 | |a Background This study is an investigation as to whether salivary amylase secretory rates are correlated with the magnitude of postprandial glycaemic responses to starch ingestion in healthy young Malaysian adults. Methods Fasting unstimulated and stimulated salivary amylase secretory rates were measured and ranked for 54 participants. Subjects (n = 5) with amylase activities below the median and subjects (n = 5) with amylase activities above the median were selected for subsequent carbohydrate challenge tests. Following an overnight fast, the postprandial glycaemic responses of these subjects were assessed to 50 g carbohydrate bolus challenges; glucose (n = 2), maltose (n = 1) and starch (n = 1), tested in random order. Blood glucose concentrations were estimated before each carbohydrate challenge and at half-hour intervals thereafter for 2 h. The magnitude of each glycaemic response was estimated from the area under the curve (AUC). Results High amylase secretors responded to the consumption of a starch bolus with significantly lower AUCs than low amylase secretors (267 +/− 64 vs. 159 +/− 72 mmol/L*120 min, p = 0.037; mean +/− SD). However, the glycaemic responses to maltose and glucose did not differ significantly between the two groups. These findings confirm that subjects with higher salivary amylase secretory rates have better glycaemic tolerance to a starch challenge than subjects with lower salivary amylase secretory rates. Conclusion Low amylase secretion should be considered as a potential prognosticator for impaired glucose tolerance to dietary starch in young Malaysian adults. | ||
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650 | 4 | |a Maltose |7 (dpeaa)DE-He213 | |
650 | 4 | |a Gastric inhibitory peptide |7 (dpeaa)DE-He213 | |
700 | 1 | |a Shyam, Sangeetha |4 aut | |
700 | 1 | |a Selvathevan, Mayure Devi |4 aut | |
700 | 1 | |a Misra, Snigdha |4 aut | |
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10.1186/s40795-016-0088-0 doi (DE-627)SPR037770659 (SPR)s40795-016-0088-0-e DE-627 ger DE-627 rakwb eng Barling, Peter Michael verfasserin aut Anomalous association of salivary amylase secretion with the postprandial glycaemic response to starch 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2016 Background This study is an investigation as to whether salivary amylase secretory rates are correlated with the magnitude of postprandial glycaemic responses to starch ingestion in healthy young Malaysian adults. Methods Fasting unstimulated and stimulated salivary amylase secretory rates were measured and ranked for 54 participants. Subjects (n = 5) with amylase activities below the median and subjects (n = 5) with amylase activities above the median were selected for subsequent carbohydrate challenge tests. Following an overnight fast, the postprandial glycaemic responses of these subjects were assessed to 50 g carbohydrate bolus challenges; glucose (n = 2), maltose (n = 1) and starch (n = 1), tested in random order. Blood glucose concentrations were estimated before each carbohydrate challenge and at half-hour intervals thereafter for 2 h. The magnitude of each glycaemic response was estimated from the area under the curve (AUC). Results High amylase secretors responded to the consumption of a starch bolus with significantly lower AUCs than low amylase secretors (267 +/− 64 vs. 159 +/− 72 mmol/L*120 min, p = 0.037; mean +/− SD). However, the glycaemic responses to maltose and glucose did not differ significantly between the two groups. These findings confirm that subjects with higher salivary amylase secretory rates have better glycaemic tolerance to a starch challenge than subjects with lower salivary amylase secretory rates. Conclusion Low amylase secretion should be considered as a potential prognosticator for impaired glucose tolerance to dietary starch in young Malaysian adults. Salivary α-amylase (dpeaa)DE-He213 Glycaemic response (dpeaa)DE-He213 Starch (dpeaa)DE-He213 Glucose (dpeaa)DE-He213 Maltose (dpeaa)DE-He213 Gastric inhibitory peptide (dpeaa)DE-He213 Shyam, Sangeetha aut Selvathevan, Mayure Devi aut Misra, Snigdha aut Enthalten in BMC nutrition London : BioMed Central, 2015 2(2016), 1 vom: 17. Aug. (DE-627)818041994 (DE-600)2809847-X 2055-0928 nnns volume:2 year:2016 number:1 day:17 month:08 https://dx.doi.org/10.1186/s40795-016-0088-0 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2016 1 17 08 |
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10.1186/s40795-016-0088-0 doi (DE-627)SPR037770659 (SPR)s40795-016-0088-0-e DE-627 ger DE-627 rakwb eng Barling, Peter Michael verfasserin aut Anomalous association of salivary amylase secretion with the postprandial glycaemic response to starch 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2016 Background This study is an investigation as to whether salivary amylase secretory rates are correlated with the magnitude of postprandial glycaemic responses to starch ingestion in healthy young Malaysian adults. Methods Fasting unstimulated and stimulated salivary amylase secretory rates were measured and ranked for 54 participants. Subjects (n = 5) with amylase activities below the median and subjects (n = 5) with amylase activities above the median were selected for subsequent carbohydrate challenge tests. Following an overnight fast, the postprandial glycaemic responses of these subjects were assessed to 50 g carbohydrate bolus challenges; glucose (n = 2), maltose (n = 1) and starch (n = 1), tested in random order. Blood glucose concentrations were estimated before each carbohydrate challenge and at half-hour intervals thereafter for 2 h. The magnitude of each glycaemic response was estimated from the area under the curve (AUC). Results High amylase secretors responded to the consumption of a starch bolus with significantly lower AUCs than low amylase secretors (267 +/− 64 vs. 159 +/− 72 mmol/L*120 min, p = 0.037; mean +/− SD). However, the glycaemic responses to maltose and glucose did not differ significantly between the two groups. These findings confirm that subjects with higher salivary amylase secretory rates have better glycaemic tolerance to a starch challenge than subjects with lower salivary amylase secretory rates. Conclusion Low amylase secretion should be considered as a potential prognosticator for impaired glucose tolerance to dietary starch in young Malaysian adults. Salivary α-amylase (dpeaa)DE-He213 Glycaemic response (dpeaa)DE-He213 Starch (dpeaa)DE-He213 Glucose (dpeaa)DE-He213 Maltose (dpeaa)DE-He213 Gastric inhibitory peptide (dpeaa)DE-He213 Shyam, Sangeetha aut Selvathevan, Mayure Devi aut Misra, Snigdha aut Enthalten in BMC nutrition London : BioMed Central, 2015 2(2016), 1 vom: 17. Aug. (DE-627)818041994 (DE-600)2809847-X 2055-0928 nnns volume:2 year:2016 number:1 day:17 month:08 https://dx.doi.org/10.1186/s40795-016-0088-0 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2016 1 17 08 |
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10.1186/s40795-016-0088-0 doi (DE-627)SPR037770659 (SPR)s40795-016-0088-0-e DE-627 ger DE-627 rakwb eng Barling, Peter Michael verfasserin aut Anomalous association of salivary amylase secretion with the postprandial glycaemic response to starch 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2016 Background This study is an investigation as to whether salivary amylase secretory rates are correlated with the magnitude of postprandial glycaemic responses to starch ingestion in healthy young Malaysian adults. Methods Fasting unstimulated and stimulated salivary amylase secretory rates were measured and ranked for 54 participants. Subjects (n = 5) with amylase activities below the median and subjects (n = 5) with amylase activities above the median were selected for subsequent carbohydrate challenge tests. Following an overnight fast, the postprandial glycaemic responses of these subjects were assessed to 50 g carbohydrate bolus challenges; glucose (n = 2), maltose (n = 1) and starch (n = 1), tested in random order. Blood glucose concentrations were estimated before each carbohydrate challenge and at half-hour intervals thereafter for 2 h. The magnitude of each glycaemic response was estimated from the area under the curve (AUC). Results High amylase secretors responded to the consumption of a starch bolus with significantly lower AUCs than low amylase secretors (267 +/− 64 vs. 159 +/− 72 mmol/L*120 min, p = 0.037; mean +/− SD). However, the glycaemic responses to maltose and glucose did not differ significantly between the two groups. These findings confirm that subjects with higher salivary amylase secretory rates have better glycaemic tolerance to a starch challenge than subjects with lower salivary amylase secretory rates. Conclusion Low amylase secretion should be considered as a potential prognosticator for impaired glucose tolerance to dietary starch in young Malaysian adults. Salivary α-amylase (dpeaa)DE-He213 Glycaemic response (dpeaa)DE-He213 Starch (dpeaa)DE-He213 Glucose (dpeaa)DE-He213 Maltose (dpeaa)DE-He213 Gastric inhibitory peptide (dpeaa)DE-He213 Shyam, Sangeetha aut Selvathevan, Mayure Devi aut Misra, Snigdha aut Enthalten in BMC nutrition London : BioMed Central, 2015 2(2016), 1 vom: 17. Aug. (DE-627)818041994 (DE-600)2809847-X 2055-0928 nnns volume:2 year:2016 number:1 day:17 month:08 https://dx.doi.org/10.1186/s40795-016-0088-0 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2016 1 17 08 |
allfieldsGer |
10.1186/s40795-016-0088-0 doi (DE-627)SPR037770659 (SPR)s40795-016-0088-0-e DE-627 ger DE-627 rakwb eng Barling, Peter Michael verfasserin aut Anomalous association of salivary amylase secretion with the postprandial glycaemic response to starch 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2016 Background This study is an investigation as to whether salivary amylase secretory rates are correlated with the magnitude of postprandial glycaemic responses to starch ingestion in healthy young Malaysian adults. Methods Fasting unstimulated and stimulated salivary amylase secretory rates were measured and ranked for 54 participants. Subjects (n = 5) with amylase activities below the median and subjects (n = 5) with amylase activities above the median were selected for subsequent carbohydrate challenge tests. Following an overnight fast, the postprandial glycaemic responses of these subjects were assessed to 50 g carbohydrate bolus challenges; glucose (n = 2), maltose (n = 1) and starch (n = 1), tested in random order. Blood glucose concentrations were estimated before each carbohydrate challenge and at half-hour intervals thereafter for 2 h. The magnitude of each glycaemic response was estimated from the area under the curve (AUC). Results High amylase secretors responded to the consumption of a starch bolus with significantly lower AUCs than low amylase secretors (267 +/− 64 vs. 159 +/− 72 mmol/L*120 min, p = 0.037; mean +/− SD). However, the glycaemic responses to maltose and glucose did not differ significantly between the two groups. These findings confirm that subjects with higher salivary amylase secretory rates have better glycaemic tolerance to a starch challenge than subjects with lower salivary amylase secretory rates. Conclusion Low amylase secretion should be considered as a potential prognosticator for impaired glucose tolerance to dietary starch in young Malaysian adults. Salivary α-amylase (dpeaa)DE-He213 Glycaemic response (dpeaa)DE-He213 Starch (dpeaa)DE-He213 Glucose (dpeaa)DE-He213 Maltose (dpeaa)DE-He213 Gastric inhibitory peptide (dpeaa)DE-He213 Shyam, Sangeetha aut Selvathevan, Mayure Devi aut Misra, Snigdha aut Enthalten in BMC nutrition London : BioMed Central, 2015 2(2016), 1 vom: 17. Aug. (DE-627)818041994 (DE-600)2809847-X 2055-0928 nnns volume:2 year:2016 number:1 day:17 month:08 https://dx.doi.org/10.1186/s40795-016-0088-0 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2016 1 17 08 |
allfieldsSound |
10.1186/s40795-016-0088-0 doi (DE-627)SPR037770659 (SPR)s40795-016-0088-0-e DE-627 ger DE-627 rakwb eng Barling, Peter Michael verfasserin aut Anomalous association of salivary amylase secretion with the postprandial glycaemic response to starch 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2016 Background This study is an investigation as to whether salivary amylase secretory rates are correlated with the magnitude of postprandial glycaemic responses to starch ingestion in healthy young Malaysian adults. Methods Fasting unstimulated and stimulated salivary amylase secretory rates were measured and ranked for 54 participants. Subjects (n = 5) with amylase activities below the median and subjects (n = 5) with amylase activities above the median were selected for subsequent carbohydrate challenge tests. Following an overnight fast, the postprandial glycaemic responses of these subjects were assessed to 50 g carbohydrate bolus challenges; glucose (n = 2), maltose (n = 1) and starch (n = 1), tested in random order. Blood glucose concentrations were estimated before each carbohydrate challenge and at half-hour intervals thereafter for 2 h. The magnitude of each glycaemic response was estimated from the area under the curve (AUC). Results High amylase secretors responded to the consumption of a starch bolus with significantly lower AUCs than low amylase secretors (267 +/− 64 vs. 159 +/− 72 mmol/L*120 min, p = 0.037; mean +/− SD). However, the glycaemic responses to maltose and glucose did not differ significantly between the two groups. These findings confirm that subjects with higher salivary amylase secretory rates have better glycaemic tolerance to a starch challenge than subjects with lower salivary amylase secretory rates. Conclusion Low amylase secretion should be considered as a potential prognosticator for impaired glucose tolerance to dietary starch in young Malaysian adults. Salivary α-amylase (dpeaa)DE-He213 Glycaemic response (dpeaa)DE-He213 Starch (dpeaa)DE-He213 Glucose (dpeaa)DE-He213 Maltose (dpeaa)DE-He213 Gastric inhibitory peptide (dpeaa)DE-He213 Shyam, Sangeetha aut Selvathevan, Mayure Devi aut Misra, Snigdha aut Enthalten in BMC nutrition London : BioMed Central, 2015 2(2016), 1 vom: 17. Aug. (DE-627)818041994 (DE-600)2809847-X 2055-0928 nnns volume:2 year:2016 number:1 day:17 month:08 https://dx.doi.org/10.1186/s40795-016-0088-0 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2016 1 17 08 |
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Methods Fasting unstimulated and stimulated salivary amylase secretory rates were measured and ranked for 54 participants. Subjects (n = 5) with amylase activities below the median and subjects (n = 5) with amylase activities above the median were selected for subsequent carbohydrate challenge tests. Following an overnight fast, the postprandial glycaemic responses of these subjects were assessed to 50 g carbohydrate bolus challenges; glucose (n = 2), maltose (n = 1) and starch (n = 1), tested in random order. Blood glucose concentrations were estimated before each carbohydrate challenge and at half-hour intervals thereafter for 2 h. The magnitude of each glycaemic response was estimated from the area under the curve (AUC). Results High amylase secretors responded to the consumption of a starch bolus with significantly lower AUCs than low amylase secretors (267 +/− 64 vs. 159 +/− 72 mmol/L*120 min, p = 0.037; mean +/− SD). However, the glycaemic responses to maltose and glucose did not differ significantly between the two groups. These findings confirm that subjects with higher salivary amylase secretory rates have better glycaemic tolerance to a starch challenge than subjects with lower salivary amylase secretory rates. 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Barling, Peter Michael |
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Barling, Peter Michael misc Salivary α-amylase misc Glycaemic response misc Starch misc Glucose misc Maltose misc Gastric inhibitory peptide Anomalous association of salivary amylase secretion with the postprandial glycaemic response to starch |
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Anomalous association of salivary amylase secretion with the postprandial glycaemic response to starch Salivary α-amylase (dpeaa)DE-He213 Glycaemic response (dpeaa)DE-He213 Starch (dpeaa)DE-He213 Glucose (dpeaa)DE-He213 Maltose (dpeaa)DE-He213 Gastric inhibitory peptide (dpeaa)DE-He213 |
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Anomalous association of salivary amylase secretion with the postprandial glycaemic response to starch |
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anomalous association of salivary amylase secretion with the postprandial glycaemic response to starch |
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Anomalous association of salivary amylase secretion with the postprandial glycaemic response to starch |
abstract |
Background This study is an investigation as to whether salivary amylase secretory rates are correlated with the magnitude of postprandial glycaemic responses to starch ingestion in healthy young Malaysian adults. Methods Fasting unstimulated and stimulated salivary amylase secretory rates were measured and ranked for 54 participants. Subjects (n = 5) with amylase activities below the median and subjects (n = 5) with amylase activities above the median were selected for subsequent carbohydrate challenge tests. Following an overnight fast, the postprandial glycaemic responses of these subjects were assessed to 50 g carbohydrate bolus challenges; glucose (n = 2), maltose (n = 1) and starch (n = 1), tested in random order. Blood glucose concentrations were estimated before each carbohydrate challenge and at half-hour intervals thereafter for 2 h. The magnitude of each glycaemic response was estimated from the area under the curve (AUC). Results High amylase secretors responded to the consumption of a starch bolus with significantly lower AUCs than low amylase secretors (267 +/− 64 vs. 159 +/− 72 mmol/L*120 min, p = 0.037; mean +/− SD). However, the glycaemic responses to maltose and glucose did not differ significantly between the two groups. These findings confirm that subjects with higher salivary amylase secretory rates have better glycaemic tolerance to a starch challenge than subjects with lower salivary amylase secretory rates. Conclusion Low amylase secretion should be considered as a potential prognosticator for impaired glucose tolerance to dietary starch in young Malaysian adults. © The Author(s). 2016 |
abstractGer |
Background This study is an investigation as to whether salivary amylase secretory rates are correlated with the magnitude of postprandial glycaemic responses to starch ingestion in healthy young Malaysian adults. Methods Fasting unstimulated and stimulated salivary amylase secretory rates were measured and ranked for 54 participants. Subjects (n = 5) with amylase activities below the median and subjects (n = 5) with amylase activities above the median were selected for subsequent carbohydrate challenge tests. Following an overnight fast, the postprandial glycaemic responses of these subjects were assessed to 50 g carbohydrate bolus challenges; glucose (n = 2), maltose (n = 1) and starch (n = 1), tested in random order. Blood glucose concentrations were estimated before each carbohydrate challenge and at half-hour intervals thereafter for 2 h. The magnitude of each glycaemic response was estimated from the area under the curve (AUC). Results High amylase secretors responded to the consumption of a starch bolus with significantly lower AUCs than low amylase secretors (267 +/− 64 vs. 159 +/− 72 mmol/L*120 min, p = 0.037; mean +/− SD). However, the glycaemic responses to maltose and glucose did not differ significantly between the two groups. These findings confirm that subjects with higher salivary amylase secretory rates have better glycaemic tolerance to a starch challenge than subjects with lower salivary amylase secretory rates. Conclusion Low amylase secretion should be considered as a potential prognosticator for impaired glucose tolerance to dietary starch in young Malaysian adults. © The Author(s). 2016 |
abstract_unstemmed |
Background This study is an investigation as to whether salivary amylase secretory rates are correlated with the magnitude of postprandial glycaemic responses to starch ingestion in healthy young Malaysian adults. Methods Fasting unstimulated and stimulated salivary amylase secretory rates were measured and ranked for 54 participants. Subjects (n = 5) with amylase activities below the median and subjects (n = 5) with amylase activities above the median were selected for subsequent carbohydrate challenge tests. Following an overnight fast, the postprandial glycaemic responses of these subjects were assessed to 50 g carbohydrate bolus challenges; glucose (n = 2), maltose (n = 1) and starch (n = 1), tested in random order. Blood glucose concentrations were estimated before each carbohydrate challenge and at half-hour intervals thereafter for 2 h. The magnitude of each glycaemic response was estimated from the area under the curve (AUC). Results High amylase secretors responded to the consumption of a starch bolus with significantly lower AUCs than low amylase secretors (267 +/− 64 vs. 159 +/− 72 mmol/L*120 min, p = 0.037; mean +/− SD). However, the glycaemic responses to maltose and glucose did not differ significantly between the two groups. These findings confirm that subjects with higher salivary amylase secretory rates have better glycaemic tolerance to a starch challenge than subjects with lower salivary amylase secretory rates. Conclusion Low amylase secretion should be considered as a potential prognosticator for impaired glucose tolerance to dietary starch in young Malaysian adults. © The Author(s). 2016 |
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Anomalous association of salivary amylase secretion with the postprandial glycaemic response to starch |
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score |
7.40176 |