Evaluation of the Brewing Characteristics, Digestion Profiles, and Neuroprotective Effects of Two Typical Se-Enriched Green Teas

被引：13
作者：
Ye, Yuanyuan [1 ,2 ]
He, Jiangling [1 ]
He, Zhijun [1 ,3 ]
Zhang, Na [1 ]
Liu, Xiaoqing [1 ,2 ]
Zhou, Jiaojiao [1 ]
Cheng, Shuiyuan [1 ]
Cai, Jie [2 ,4 ]
机构：
[1] Wuhan Polytech Univ, Natl R&D Ctr Se Rich Agr Prod Proc, Hubei Engn Res Ctr Deep Proc Green Se Rich Agr Pr, Sch Modern Ind Selenium Sci & Engn, Wuhan 430023, Peoples R China
[2] Wuhan Polytech Univ, Key Lab Deep Proc Major Grain & Oil, Hubei Key Lab Proc & Transformat Agr Prod, Minist Educ, Wuhan 430023, Peoples R China
[3] Shenzhen Univ, Coll Life Sci & Oceanog, Shenzhen Key Lab Marine Biotechnol & Ecol, Shenzhen 518055, Peoples R China
[4] Hubei Key Lab Nutr Qual & Safety Agro Prod, Wuhan 430064, Peoples R China
来源：
FOODS | 2022年 / 11卷 / 14期
关键词：
Se-enriched tea; chemical component; antioxidant activity; dynamic in vitro digestion; neuroprotective effect; IN-VITRO DIGESTION; ANTIOXIDANT CAPACITY; STABILITY; SELENIUM; TEMPERATURE; QUALITY; WHITE; INFUSION; BLACK; TIME;
D O I：
10.3390/foods11142159
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
As a functional beverage, selenium (Se)-enriched green tea (Se-GT) has gained increasing popularity for its superior properties in promoting health. In this study, we compared the brewing characteristics, in vitro digestion profiles, and protective effects on neurotoxicity induced through the amyloid-beta (A beta) peptide of two typical Se-GTs (Enshi Yulu (ESYL) and Ziyang Maojian (ZYMJ), representing the typical low-Se green tea and high-Se green tea, respectively). ESYL and ZYMJ showed similar chemical component leaching properties with the different brewing methods, and the optimized brewing conditions were 5 min, 90 degrees C, 50 mL/g, and first brewing. The antioxidant activities of the tea infusions had the strongest positive correlation with the tea polyphenols among all of the leaching substances. The tea infusions of ESYL and ZYMJ showed similar digestive behaviors, and the tea polyphenols in the tea infusions were almost totally degraded or transferred after 150 min of dynamic digestion. Studies conducted in a cell model of Alzheimer's disease (AD) showed that the extract from the high-Se green tea was more effective for neuroprotection compared with the low-Se green tea. Overall, our results revealed the best brewing conditions and digestion behaviors of Se-GT and the great potential of Se-GT or Se-enriched green extract (Se-GTE) to be used as promising AD-preventive beverages or food ingredients.
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页数：15
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