Antioxidant Capacity, Metal Contents, and Their Health Risk Assessment of Tartary Buckwheat Teas

被引：25

作者：

Li, Zhiqiang ^{[1
]}

Li, Zhijian ^{[1
]}

Huang, Yue ^{[3
]}

Jiang, Yunchuan ^{[1
]}

Liu, Yongfu ^{[1
]}

Wen, Wen ^{[1
,4
]}

Li, Hanhan ^{[1
]}

Shao, Jirong ^{[3
,5
]}

Wang, Chenglong ^{[1
,2
]}

Zhu, Xuemei ^{[1
]}

机构：

[1] Sichuan Agr Univ, Coll Environm Sci, Chengdu 611130, Peoples R China

[2] Xichen Co Ltd, Plateau Biol Resources R&D Platform, Chengdu 611130, Peoples R China

[3] Sichuan Agr Univ, Coll Life Sci, Yaan 625014, Peoples R China

[4] Chengdu Urban Modern Agr Ind Technol Inst, Ind Technol Inst, Chengdu 611130, Peoples R China

[5] Sichuan Xichen Guanghua Environm Testing Co Ltd, Chengdu 611130, Peoples R China

来源：

ACS OMEGA | 2020年 / 5卷 / 17期

基金：

国家重点研发计划;

关键词：

AROMA COMPOUNDS; TRACE-ELEMENTS; HEAVY-METALS; FLAVONOIDS; COMMON; BRAN; INFUSIONS; PHENOLICS; LEAVES; CHINA;

D O I：

10.1021/acsomega.9b04007

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Tartary buckwheat tea (TBT) is the most popular and widely consumed buckwheat product in many countries. However, the perfect quality control standards for TBT were still lacking, and the content of heavy metals in TBT and their health risks to consumers were still unknown. In this research, the total phenolic content, total flavonoid content, and antioxidant capacity as well as six metal contents and their health risks in TBT were detected. The results showed that the total phenolic content, total flavonoid content, and antioxidant capacity varied significantly among different types of TBT. Meanwhile, six metal concentrations in TBT leaves and infusions decreased in the order of Zn, Cu, Cr, Ni, Pb, and Cd. Health risk assessment indicated that the heavy metal intake only from TBT would not cause a noncarcinogenic risk to consumers. However, a strong carcinogenic risk of Cr in TBT for consumers should be paid more attention.

引用

页码：9724 / 9732

页数：9

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