diphenylboric acid aminoethylhantzsch esterr 是什么试剂

来源：蜘蛛抓取(WebSpider) 时间：2017-09-26 01:58 标签： phenylboronic acid
Hydrogen peroxide and flavan-3-ols in storage roots of cassava (Manihot esculenta crantz)... - Abstract - Europe PMC
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H Buschmann
Department of Biology and Biochemistry, University of Bath, Bath BA2 7AY, United Kingdom, and Centro International de Agricultura Tropical, CIAT, Cali A.A.6713, Colombia.
Kim Reilly
M X Rodriguez
J R Beeching
Department of Biology and Biochemistry, University of Bath, Bath BA2 7AY, United Kingdom, and Centro International de Agricultura Tropical, CIAT, Cali A.A.6713, Colombia.
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[01 Nov ):]
Research Support, Non-U.S. Gov't, Journal Article
Cassava storage roots are an important staple food throughout the lowland humid tropics. However, cassava suffers from a poorly understood storage disorder, known as postharvest physiological deterioration (PPD), which constrains its exploitation. In an attempt to broaden the understanding of PPD, nine different cassava cultivars were analyzed for specific compounds accumulating during the process. The production of hydrogen peroxide (H(2)O(2)) is involved in the early stages of PPD in cassava roots. H(2)O(2) was quantified and localized histochemically at the tissue and cell level in deteriorating roots. This reactive oxygen species accumulated during the first 24 h after harvest, especially in the inner parenchymatic tissue. Three flavan-3-ols, (+)-catechin, (+)-catechin gallate, and (+)-gallocatechin, accumulated during the storage of cassava roots. However, these potential antioxidants cannot be related to early storage disorders or wound responses because they start to accumulate only after 4-6 days.
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