英语释义

1. any of a large group of typically biologically active water-soluble plant compounds (such as the anthocyanins and flavones) that include pigments ranging in color from yellow to red to blue and occur especially in fruits, vegetables, and herbs (such as grapes, citrus fruits, peppers, and dill)
Flavonoids are effective scavengers of free radicals in the test tube (in vitro). However, even with very high flavonoid intakes, plasma and intracellular flavonoid concentrations in humans are likely to be 100 to 1000 times lower than concentrations of other antioxidants …
— Jane Higdon The rich palette of dyes in butterflies' wings are all derived from chemicals called flavonoids, which the insects cannot make themselves and must sequester from their food plants.
— Nicholas Wade — see bioflavonoid

2. of, relating to, or being a flavonoid

3. any of a large group of typically biologically active, water-soluble, plant compounds (such as the flavones) that include pigments ranging in color from yellow to red to blue and occur especially in fruits, vegetables, and herbs (such as grapes, citrus fruits, peppers, and dill)
Tea contains substances called catechins (tea flavonoids) that may protect against heart disease and even cancer.
— UC Berkeley Wellness Newsletter, November 1999 Flavonoids are effective scavengers of free radicals in the test tube (in vitro). However, even with very high flavonoid intakes, plasma and intracellular flavonoid concentrations in humans are likely to be 100 to 1000 times lower than concentrations of other antioxidants …
— Jane Higdon, An Evidence-Based Approach to Dietary Phytochemicals, 2007 Note: Flavonoids are polyphenolic 15-carbon compounds with a basic structure consisting of two benzene rings joined by a chain of 3 carbons. — see bioflavonoid

片语

flavonoid-黄酮类；[有化] 类黄酮

flavonoid metabolite类黄酮代谢物

flavonoid extracts黄酮提取物

flavonoid constituent黄酮类化合物质

Flavonoid extract黄酮浸膏

Prenylated Flavonoid异戊烯基黄酮类化合物

flavonoid extraction黄酮提取

refined flavonoid精制黄酮

flavonoid glycosides黄酮甙类

英汉例句

• red wine is a particularly rich source of antioxidants flavonoid phenolics.

  红酒富含抗氧化物黄酮类酚。

• coumarin and flavonoid is the main component .

  香豆素类与黄酮类为其主要活性成分。

• chalcone synthase(chs) and chalcone isomerase(chi) are the key enzymes controlling the metabolism of flavonoid and anthocyanin.

  查尔酮合酶和查尔酮异构酶是类黄酮代谢与色素苷代谢的关键酶。

• flavonoid and carotenoid are the main two kinds of plant pigments, but which kind of pigment is in colored cotton fiber has not been studied.

  植物非光合色素主要由类黄酮和类胡萝卜素组成，但彩色棉纤维中色素种类及其结构尚不清楚。

• the review by researchers at the university of western australia says the benefits of tea are largely due to the flavonoid content, antioxidant ingredients that counteract cardiovascular disease.

  西澳大利亚大学研究人员表示，喝茶的好处在很大程度上取决于茶叶中的类黄酮等抗氧化剂，这些物质有助于防止心血管疾病。

• they explained that grapes and grape derivatives have a compound - a flavonoid - that helps protect human skin from the damaging effects of ultraviolet radiation.

  他们解释，葡萄和葡萄的衍生产品中含有一种黄酮化合物的组合，它能够保护人类皮肤免受紫外线的伤害。

• while pomegranates taste great and are rich in vitamins and flavonoid phytonutrients, they are still rather expensive which makes them not as widely available to many people.

  尽管石榴含有大量的维生素和起到抗氧化作用的酮类，但是它的价格却不是适合普通大众接受的。

• this review deals with the variation of testa luster as well as the mechanism of flavonoid biosynthesis in arabidopsis thaliana .

  在此，就拟南芥种皮的色泽变异及类黄酮生物合成机理作一介绍。

• the benefit: these dainty leaves are highly concentrated with luteolin, a powerful flavonoid with anti-inflammatory properties.

  好处：这些精致的叶子富含木犀草素（强大的类黄酮具有抗发炎的特性）。

• chocolate contains flavonoid antioxidants that are widely believed to have beneficial cardiovascular effects.

  巧克力中含有的类黄酮抗氧化剂，对心血管疾病有益。

• the title work analysed the components and content of flavonoid in the extract of onion skin.

  本文对洋葱皮萃取物中黄酮类化合物的成分及含量进行了分析研究。

• previous research has already linked tea's healthy antioxidant properties and high flavonoid content to cutting the risk of some cancers as well as heart disease.

  以前的研究已经表明，茶具有健康的抗氧化性，和高含量的类黄酮，降低了患某些癌癥和心脏病的风险。

• many plants belonging to hypericum l. are traditional medicinal herbs and their secondary metabolites such as naphthodianthrone, flavonoid and phloroglucinol have many pharmacological effects.

  金丝桃属植物中许多种是传统草药，二蒽酮类、类黄酮类及间苯三酚类等次生代谢产物具有许多药理作用。

• the most prominent feature of australian propolis is contained abundant flavonoid and terpenoid substances.

  含有更丰富的黄酮类、萜烯类物质是澳洲蜂胶的最大特点。

• objective:to study the hydrolytic conditions for ginkgo flavonoid glycosides in the compound ginkgo biloba injection.

  目的：考察复方银杏注射液中银杏黄酮苷含量测定的水解条件。

• the content of leaf chlorophyll and flavonoid also increased in response to enhanced uv-b irradiation.

  看麦娘叶片的叶绿素和类黄酮含量均表现为增加的趋势。