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单词 polyphenol
释义

polyphenol /ˌpɔli'fi:'nɔl/

英汉-汉英词典
n. 多酚
词组 | 习惯用语
polyphenol oxidase 多酚氧化酶
原声例句
Reel知识卷轴

These polyphenol compounds are also found in other berries.

这些多酚类化合物也存在于其他浆果中。

Reel知识卷轴

Both are rich sources of anthocyanins, a type of plant chemical called polyphenols that gives them their deep color.

它们都富含花青素,这是一种被称为多酚的植物化学物质,使它们呈现出深颜色。

节日综合录

The tomato-based cold soup is loaded with carotenes, vitamin C and polyphenols, which researchers think may help lower blood pressure.

以番茄为基础的冷汤富含胡萝卜素、维生素 C 和多酚,研究人员认为这可能有助于降低血压。

TED-Ed(视频版)

These foods contain polyphenols, which are naturally occurring antioxidant compounds.

这些食物含有多酚,它们是天然存在的抗氧化化合物。

精选英语短文

Carotenoids, along with polyphenols like EGCG in green tea, offer natural sun protection.

类胡萝卜素与绿茶中的 EGCG 等多酚一起提供天然防晒保护。

精选英语短文

Carotenoids and polyphenols accumulate in skin and absorb sunlight of various wavelengths, according to Farris.

Farris 表示, 类胡萝卜素和多酚会积聚在皮肤中并吸收各种波长的阳光。

中高级英语短文

Like other antioxidants, past studies suggest some polyphenols can prevent and slow the oxidation of healthy chemicals and protect our bodies from disease.

与其他抗氧化剂一样,研究表明,一些多酚可以防止和减缓有益化合物的氧化,保护身体免受疾病的侵害。

中高级英语短文

To support this research, the authors successfully showed in another new study that polyphenols bind to proteins in a coffee drink with milk.

为了支持这项研究,研究人员在另一项研究中成功证明,多酚类物质与加奶咖啡中的蛋白质结合形成加合物。

《分钟地球》趣味科普(精选双语)

In a more exotic transformation, bacteria and fungi take turns munching on piles of cacao, mellowing out bitter polyphenols and helping create the complex and delicious taste of chocolate.

在一种更带感的转换中,细菌与真菌轮流吃掉一大堆可可,吐出苦涩的多酚,为巧克力带来繁复而美味的品味。

Reel知识卷轴

Second is to always try and pick plants that have these natural chemicals called polyphenols in them, which gives them the bright colors or the bitter tastes.

其次,一定要挑选含有天然化学物质多酚的植物,多酚会让植物呈现出鲜艳的颜色,也会让它们有苦味。

中文百科

多酚

多酚英语:polyphenol)是指一组植物中化学物质的统称,因具有多个酚基团而得名。多酚在一些植物中起到了呈现颜色的作用,如秋天的叶子。

多酚类物质具有很强的抗氧化作用。绿茶是多酚类物质的一个来源。

英语百科

Polyphenol 多酚

Plant-derived polyphenol, tannic acid, formed by esterification of ten equivalents of the phenylpropanoid-derived gallic acid to a monosaccharide (glucose) core from primary metabolism.
Ellagic acid, a dimer of gallic acid, and a core-type 'component' of polyphenols
Raspberry ellagitannin, a tannin composed of 14 gallic acid units around a core of three units of glucose, with two gallic acids as simple esters, and the remaining 12 appearing in 6 ellagic acid-type units. Ester, ether, and biaryl linkages are present, see below.
Theaflavin-3-gallate, a plant-derived polyphenol formed by esterification of two equivalents of gallic acid to a theaflavin core. Note: two of the phenolic hydroxyl groups required to meet the phenol-count criterion of the WBSSH definition points are engaged in ether linkages.

Polyphenols (noun, pronunciation of the singular /pɒliˈfnəl/ or /pɒliˈfɛnəl/, also known as polyhydroxyphenols) are a structural class of mainly natural, but also synthetic or semisynthetic, organic chemicals characterized by the presence of large multiples of phenol structural units. The number and characteristics of these phenol structures underlie the unique physical, chemical, and biological (metabolic, toxic, therapeutic, etc.) properties of particular members of the class. Examples include tannic acid (image at right) and ellagitannin (image below). The historically important chemical class of tannins is a subset of the polyphenols.

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更新时间:2025/6/18 13:45:31