Qian Ye, Hao Chen, Lin Bin Zhang, Jian Hui Ye, Jian Liang Lu, Yue Rong Liang
언어
영어(ENG)
URL
https://www.earticle.net/Article/A110370
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원문정보
초록
영어
Browning of tea infusion is an obstructive factor influencing shelf life of ready-to-drink green tea. Effects oftemperature and illumination on the browning of green tea infusion were investigated. It was shown that both elevatedtemperature and illumination led to the browning of green tea infusion, but temperature had greater effect on infusion colorand level of catechins than illumination. The levels of unoxidized catechins such as (-)-epigallocatechin gallate (EGCg), (-)-epigallocatechin (EGC), (-)-epicatechin gallate (ECg), (-)-epicatechin (EC), and total catechins remaining in the tea infusionwere significantly correlated to color parameters of the tea infusion. Sodium ascorbate inhibited the infusion browning bysuppressing the oxidation of tea catechins and it is considered to be a more suitable preservative for prolonging shelf life ofready-to-drink green tea than ascorbic acid because it has less effect on tea taste. The effects of temperature and illuminationon the epimerization of catechins were also discussed.
목차
Abstract Introduction Materials and Methods Results and Discussion References
키워드
Camellia sinensisshelf lifequality controlpolyphenolinfusion color
저자
Qian Ye [ Zhejiang University Tea Research Institute, Hangzhou 310029, PR China ]
Hao Chen [ Zhejiang University Tea Research Institute, Hangzhou 310029, PR China ]
Lin Bin Zhang [ Zhejiang University Tea Research Institute, Hangzhou 310029, PR China ]
Jian Hui Ye [ Zhejiang University Tea Research Institute, Hangzhou 310029, PR China ]
Jian Liang Lu [ Zhejiang University Tea Research Institute, Hangzhou 310029, PR China ]
Yue Rong Liang [ Zhejiang University Tea Research Institute, Hangzhou 310029, PR China ]
Corresponding author