Chlorophyll as an indicator of green tea quality
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62157124%3A16270%2F15%3A43873700" target="_blank" >RIV/62157124:16270/15:43873700 - isvavai.cz</a>
Výsledek na webu
<a href="http://dx.doi.org/10.2754/avb201483S10S103" target="_blank" >http://dx.doi.org/10.2754/avb201483S10S103</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.2754/avb201483S10S103" target="_blank" >10.2754/avb201483S10S103</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Chlorophyll as an indicator of green tea quality
Popis výsledku v původním jazyce
The objective of this work was to study the changes in chlorophyll contents in green teas stored under different conditions and to suggest the most suitable way and length of green tea storage. A secondary aim was to evaluate the possibility of using thechlorophyll content as an indicator of tea freshness. Samples for analysis were obtained from a range of tea-growing regions. Chlorophyll contents were measured using UV-vis spectrophotometry. Chlorophyll absorbance was measured at 642.5 and 660 nm. Prior to storage, chlorophyll concentration in teas ranged from 1.12 to 1.89 mg per 1 g of tea, which corresponded to data given by other authors. Storage was found to lead to a decline in chlorophyll concentration. From the 6(th) month of storage onwards,a significant decrease (P < 0.05) was observed in all samples, irrespective of storage conditions. Based on the findings of this study, original and metal packaging can be considered the most chlorophyll-friendly. On the other hand, glass
Název v anglickém jazyce
Chlorophyll as an indicator of green tea quality
Popis výsledku anglicky
The objective of this work was to study the changes in chlorophyll contents in green teas stored under different conditions and to suggest the most suitable way and length of green tea storage. A secondary aim was to evaluate the possibility of using thechlorophyll content as an indicator of tea freshness. Samples for analysis were obtained from a range of tea-growing regions. Chlorophyll contents were measured using UV-vis spectrophotometry. Chlorophyll absorbance was measured at 642.5 and 660 nm. Prior to storage, chlorophyll concentration in teas ranged from 1.12 to 1.89 mg per 1 g of tea, which corresponded to data given by other authors. Storage was found to lead to a decline in chlorophyll concentration. From the 6(th) month of storage onwards,a significant decrease (P < 0.05) was observed in all samples, irrespective of storage conditions. Based on the findings of this study, original and metal packaging can be considered the most chlorophyll-friendly. On the other hand, glass
Klasifikace
Druh
J<sub>x</sub> - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
CEP obor
GM - Potravinářství
OECD FORD obor
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Návaznosti výsledku
Projekt
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Návaznosti
V - Vyzkumna aktivita podporovana z jinych verejnych zdroju
Ostatní
Rok uplatnění
2015
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název periodika
Acta veterinaria Brno
ISSN
0001-7213
e-ISSN
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Svazek periodika
83
Číslo periodika v rámci svazku
Suppl. 10
Stát vydavatele periodika
CZ - Česká republika
Počet stran výsledku
7
Strana od-do
"S103"-"S109"
Kód UT WoS článku
000354505500015
EID výsledku v databázi Scopus
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