Comparison of different digestion methods of green and black tea at the Sarajevo market for the determination of the heavy metal content

Abstract The content of Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn was determined in commercially available black and green tea from Sarajevo market. The concentrations of metals in tea infusion and solutions prepared by applying four digestion methods were determined by using FAAS. The results show that the...
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Gespeichert in:

Autor*in:	Memić, Mustafa [verfasserIn] Mahić, Dijana [verfasserIn] Žero, Sabina [verfasserIn] Muhić-Šarac, Tidža [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2014

Schlagwörter:	Green tea Black tea Heavy metals Digestion FAAS

Übergeordnetes Werk:	Enthalten in: Sensing and instrumentation for food quality and safety - New York, NY : Springer, 2007, 8(2014), 2 vom: 04. Apr., Seite 149-154
Übergeordnetes Werk:	volume:8 ; year:2014 ; number:2 ; day:04 ; month:04 ; pages:149-154

Links:	Volltext

DOI / URN:	10.1007/s11694-014-9175-6

Katalog-ID:	SPR021766614

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520			\|a Abstract The content of Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn was determined in commercially available black and green tea from Sarajevo market. The concentrations of metals in tea infusion and solutions prepared by applying four digestion methods were determined by using FAAS. The results show that the highest concentration of total metals was obtained after acid digestion in an autoclave. The concentration of metals soluble in water obtained in tea infusion does not exceed maximum allowed values provided by WHO (Guidelines for drinking-water quality, World Health Organization, Geneva, 2011). Among the investigated metals Mn was the highest and ranged from 286 to 334 μg $ g^{−1} $ in tea infusion of green and black tea, respectively, to 1,078 and 1,528 μg $ g^{−1} $ total content of Mn in green and black tea, respectively. The concentration of heavy metals in water extracts of tea was distinctly low in comparison with the total content. The concentrations of Cd and Pb were under the determination limit using FAAS. The total content of all determined metals was higher in black tea than in green tea.
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allfields	10.1007/s11694-014-9175-6 doi (DE-627)SPR021766614 (SPR)s11694-014-9175-6-e DE-627 ger DE-627 rakwb eng 630 640 ASE Memić, Mustafa verfasserin aut Comparison of different digestion methods of green and black tea at the Sarajevo market for the determination of the heavy metal content 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The content of Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn was determined in commercially available black and green tea from Sarajevo market. The concentrations of metals in tea infusion and solutions prepared by applying four digestion methods were determined by using FAAS. The results show that the highest concentration of total metals was obtained after acid digestion in an autoclave. The concentration of metals soluble in water obtained in tea infusion does not exceed maximum allowed values provided by WHO (Guidelines for drinking-water quality, World Health Organization, Geneva, 2011). Among the investigated metals Mn was the highest and ranged from 286 to 334 μg $ g^{−1} $ in tea infusion of green and black tea, respectively, to 1,078 and 1,528 μg $ g^{−1} $ total content of Mn in green and black tea, respectively. The concentration of heavy metals in water extracts of tea was distinctly low in comparison with the total content. The concentrations of Cd and Pb were under the determination limit using FAAS. The total content of all determined metals was higher in black tea than in green tea. Green tea (dpeaa)DE-He213 Black tea (dpeaa)DE-He213 Heavy metals (dpeaa)DE-He213 Digestion (dpeaa)DE-He213 FAAS (dpeaa)DE-He213 Mahić, Dijana verfasserin aut Žero, Sabina verfasserin aut Muhić-Šarac, Tidža verfasserin aut Enthalten in Sensing and instrumentation for food quality and safety New York, NY : Springer, 2007 8(2014), 2 vom: 04. Apr., Seite 149-154 (DE-627)528359339 (DE-600)2279937-0 1932-9954 nnns volume:8 year:2014 number:2 day:04 month:04 pages:149-154 https://dx.doi.org/10.1007/s11694-014-9175-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_285 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2014 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2059 GBV_ILN_2106 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_2129 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2153 GBV_ILN_2190 AR 8 2014 2 04 04 149-154
spelling	10.1007/s11694-014-9175-6 doi (DE-627)SPR021766614 (SPR)s11694-014-9175-6-e DE-627 ger DE-627 rakwb eng 630 640 ASE Memić, Mustafa verfasserin aut Comparison of different digestion methods of green and black tea at the Sarajevo market for the determination of the heavy metal content 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The content of Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn was determined in commercially available black and green tea from Sarajevo market. The concentrations of metals in tea infusion and solutions prepared by applying four digestion methods were determined by using FAAS. The results show that the highest concentration of total metals was obtained after acid digestion in an autoclave. The concentration of metals soluble in water obtained in tea infusion does not exceed maximum allowed values provided by WHO (Guidelines for drinking-water quality, World Health Organization, Geneva, 2011). Among the investigated metals Mn was the highest and ranged from 286 to 334 μg $ g^{−1} $ in tea infusion of green and black tea, respectively, to 1,078 and 1,528 μg $ g^{−1} $ total content of Mn in green and black tea, respectively. The concentration of heavy metals in water extracts of tea was distinctly low in comparison with the total content. The concentrations of Cd and Pb were under the determination limit using FAAS. The total content of all determined metals was higher in black tea than in green tea. Green tea (dpeaa)DE-He213 Black tea (dpeaa)DE-He213 Heavy metals (dpeaa)DE-He213 Digestion (dpeaa)DE-He213 FAAS (dpeaa)DE-He213 Mahić, Dijana verfasserin aut Žero, Sabina verfasserin aut Muhić-Šarac, Tidža verfasserin aut Enthalten in Sensing and instrumentation for food quality and safety New York, NY : Springer, 2007 8(2014), 2 vom: 04. Apr., Seite 149-154 (DE-627)528359339 (DE-600)2279937-0 1932-9954 nnns volume:8 year:2014 number:2 day:04 month:04 pages:149-154 https://dx.doi.org/10.1007/s11694-014-9175-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_285 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2014 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2059 GBV_ILN_2106 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_2129 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2153 GBV_ILN_2190 AR 8 2014 2 04 04 149-154
allfields_unstemmed	10.1007/s11694-014-9175-6 doi (DE-627)SPR021766614 (SPR)s11694-014-9175-6-e DE-627 ger DE-627 rakwb eng 630 640 ASE Memić, Mustafa verfasserin aut Comparison of different digestion methods of green and black tea at the Sarajevo market for the determination of the heavy metal content 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The content of Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn was determined in commercially available black and green tea from Sarajevo market. The concentrations of metals in tea infusion and solutions prepared by applying four digestion methods were determined by using FAAS. The results show that the highest concentration of total metals was obtained after acid digestion in an autoclave. The concentration of metals soluble in water obtained in tea infusion does not exceed maximum allowed values provided by WHO (Guidelines for drinking-water quality, World Health Organization, Geneva, 2011). Among the investigated metals Mn was the highest and ranged from 286 to 334 μg $ g^{−1} $ in tea infusion of green and black tea, respectively, to 1,078 and 1,528 μg $ g^{−1} $ total content of Mn in green and black tea, respectively. The concentration of heavy metals in water extracts of tea was distinctly low in comparison with the total content. The concentrations of Cd and Pb were under the determination limit using FAAS. The total content of all determined metals was higher in black tea than in green tea. Green tea (dpeaa)DE-He213 Black tea (dpeaa)DE-He213 Heavy metals (dpeaa)DE-He213 Digestion (dpeaa)DE-He213 FAAS (dpeaa)DE-He213 Mahić, Dijana verfasserin aut Žero, Sabina verfasserin aut Muhić-Šarac, Tidža verfasserin aut Enthalten in Sensing and instrumentation for food quality and safety New York, NY : Springer, 2007 8(2014), 2 vom: 04. Apr., Seite 149-154 (DE-627)528359339 (DE-600)2279937-0 1932-9954 nnns volume:8 year:2014 number:2 day:04 month:04 pages:149-154 https://dx.doi.org/10.1007/s11694-014-9175-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_285 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2014 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2059 GBV_ILN_2106 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_2129 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2153 GBV_ILN_2190 AR 8 2014 2 04 04 149-154
allfieldsGer	10.1007/s11694-014-9175-6 doi (DE-627)SPR021766614 (SPR)s11694-014-9175-6-e DE-627 ger DE-627 rakwb eng 630 640 ASE Memić, Mustafa verfasserin aut Comparison of different digestion methods of green and black tea at the Sarajevo market for the determination of the heavy metal content 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The content of Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn was determined in commercially available black and green tea from Sarajevo market. The concentrations of metals in tea infusion and solutions prepared by applying four digestion methods were determined by using FAAS. The results show that the highest concentration of total metals was obtained after acid digestion in an autoclave. The concentration of metals soluble in water obtained in tea infusion does not exceed maximum allowed values provided by WHO (Guidelines for drinking-water quality, World Health Organization, Geneva, 2011). Among the investigated metals Mn was the highest and ranged from 286 to 334 μg $ g^{−1} $ in tea infusion of green and black tea, respectively, to 1,078 and 1,528 μg $ g^{−1} $ total content of Mn in green and black tea, respectively. The concentration of heavy metals in water extracts of tea was distinctly low in comparison with the total content. The concentrations of Cd and Pb were under the determination limit using FAAS. The total content of all determined metals was higher in black tea than in green tea. Green tea (dpeaa)DE-He213 Black tea (dpeaa)DE-He213 Heavy metals (dpeaa)DE-He213 Digestion (dpeaa)DE-He213 FAAS (dpeaa)DE-He213 Mahić, Dijana verfasserin aut Žero, Sabina verfasserin aut Muhić-Šarac, Tidža verfasserin aut Enthalten in Sensing and instrumentation for food quality and safety New York, NY : Springer, 2007 8(2014), 2 vom: 04. Apr., Seite 149-154 (DE-627)528359339 (DE-600)2279937-0 1932-9954 nnns volume:8 year:2014 number:2 day:04 month:04 pages:149-154 https://dx.doi.org/10.1007/s11694-014-9175-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_285 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2014 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2059 GBV_ILN_2106 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_2129 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2153 GBV_ILN_2190 AR 8 2014 2 04 04 149-154
allfieldsSound	10.1007/s11694-014-9175-6 doi (DE-627)SPR021766614 (SPR)s11694-014-9175-6-e DE-627 ger DE-627 rakwb eng 630 640 ASE Memić, Mustafa verfasserin aut Comparison of different digestion methods of green and black tea at the Sarajevo market for the determination of the heavy metal content 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The content of Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn was determined in commercially available black and green tea from Sarajevo market. The concentrations of metals in tea infusion and solutions prepared by applying four digestion methods were determined by using FAAS. The results show that the highest concentration of total metals was obtained after acid digestion in an autoclave. The concentration of metals soluble in water obtained in tea infusion does not exceed maximum allowed values provided by WHO (Guidelines for drinking-water quality, World Health Organization, Geneva, 2011). Among the investigated metals Mn was the highest and ranged from 286 to 334 μg $ g^{−1} $ in tea infusion of green and black tea, respectively, to 1,078 and 1,528 μg $ g^{−1} $ total content of Mn in green and black tea, respectively. The concentration of heavy metals in water extracts of tea was distinctly low in comparison with the total content. The concentrations of Cd and Pb were under the determination limit using FAAS. The total content of all determined metals was higher in black tea than in green tea. Green tea (dpeaa)DE-He213 Black tea (dpeaa)DE-He213 Heavy metals (dpeaa)DE-He213 Digestion (dpeaa)DE-He213 FAAS (dpeaa)DE-He213 Mahić, Dijana verfasserin aut Žero, Sabina verfasserin aut Muhić-Šarac, Tidža verfasserin aut Enthalten in Sensing and instrumentation for food quality and safety New York, NY : Springer, 2007 8(2014), 2 vom: 04. Apr., Seite 149-154 (DE-627)528359339 (DE-600)2279937-0 1932-9954 nnns volume:8 year:2014 number:2 day:04 month:04 pages:149-154 https://dx.doi.org/10.1007/s11694-014-9175-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_285 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2014 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2059 GBV_ILN_2106 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_2129 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2153 GBV_ILN_2190 AR 8 2014 2 04 04 149-154
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source	Enthalten in Sensing and instrumentation for food quality and safety 8(2014), 2 vom: 04. Apr., Seite 149-154 volume:8 year:2014 number:2 day:04 month:04 pages:149-154
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authorswithroles_txt_mv	Memić, Mustafa @@aut@@ Mahić, Dijana @@aut@@ Žero, Sabina @@aut@@ Muhić-Šarac, Tidža @@aut@@
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author	Memić, Mustafa
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topic_title	630 640 ASE Comparison of different digestion methods of green and black tea at the Sarajevo market for the determination of the heavy metal content Green tea (dpeaa)DE-He213 Black tea (dpeaa)DE-He213 Heavy metals (dpeaa)DE-He213 Digestion (dpeaa)DE-He213 FAAS (dpeaa)DE-He213
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title	Comparison of different digestion methods of green and black tea at the Sarajevo market for the determination of the heavy metal content
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title_full	Comparison of different digestion methods of green and black tea at the Sarajevo market for the determination of the heavy metal content
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title_sort	comparison of different digestion methods of green and black tea at the sarajevo market for the determination of the heavy metal content
title_auth	Comparison of different digestion methods of green and black tea at the Sarajevo market for the determination of the heavy metal content
abstract	Abstract The content of Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn was determined in commercially available black and green tea from Sarajevo market. The concentrations of metals in tea infusion and solutions prepared by applying four digestion methods were determined by using FAAS. The results show that the highest concentration of total metals was obtained after acid digestion in an autoclave. The concentration of metals soluble in water obtained in tea infusion does not exceed maximum allowed values provided by WHO (Guidelines for drinking-water quality, World Health Organization, Geneva, 2011). Among the investigated metals Mn was the highest and ranged from 286 to 334 μg $ g^{−1} $ in tea infusion of green and black tea, respectively, to 1,078 and 1,528 μg $ g^{−1} $ total content of Mn in green and black tea, respectively. The concentration of heavy metals in water extracts of tea was distinctly low in comparison with the total content. The concentrations of Cd and Pb were under the determination limit using FAAS. The total content of all determined metals was higher in black tea than in green tea.
abstractGer	Abstract The content of Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn was determined in commercially available black and green tea from Sarajevo market. The concentrations of metals in tea infusion and solutions prepared by applying four digestion methods were determined by using FAAS. The results show that the highest concentration of total metals was obtained after acid digestion in an autoclave. The concentration of metals soluble in water obtained in tea infusion does not exceed maximum allowed values provided by WHO (Guidelines for drinking-water quality, World Health Organization, Geneva, 2011). Among the investigated metals Mn was the highest and ranged from 286 to 334 μg $ g^{−1} $ in tea infusion of green and black tea, respectively, to 1,078 and 1,528 μg $ g^{−1} $ total content of Mn in green and black tea, respectively. The concentration of heavy metals in water extracts of tea was distinctly low in comparison with the total content. The concentrations of Cd and Pb were under the determination limit using FAAS. The total content of all determined metals was higher in black tea than in green tea.
abstract_unstemmed	Abstract The content of Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn was determined in commercially available black and green tea from Sarajevo market. The concentrations of metals in tea infusion and solutions prepared by applying four digestion methods were determined by using FAAS. The results show that the highest concentration of total metals was obtained after acid digestion in an autoclave. The concentration of metals soluble in water obtained in tea infusion does not exceed maximum allowed values provided by WHO (Guidelines for drinking-water quality, World Health Organization, Geneva, 2011). Among the investigated metals Mn was the highest and ranged from 286 to 334 μg $ g^{−1} $ in tea infusion of green and black tea, respectively, to 1,078 and 1,528 μg $ g^{−1} $ total content of Mn in green and black tea, respectively. The concentration of heavy metals in water extracts of tea was distinctly low in comparison with the total content. The concentrations of Cd and Pb were under the determination limit using FAAS. The total content of all determined metals was higher in black tea than in green tea.
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title_short	Comparison of different digestion methods of green and black tea at the Sarajevo market for the determination of the heavy metal content
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