这组成分占茶叶中总多酚类物质的80%。
This group constitutes 80 percent of the total polyphenols in tea.
巧克力中富含的多酚类物质有益于心脏健康。
Chocolate compounds called polyphenols have also been shown in research to have some heart-healthy benefits.
目的：分离鉴定天然石榴汁中主要多酚类物质。
Objective: To separate and identify the polyphenols contained in pomegranate juice.
它们富含多酚类物质——一种使人看起来更年轻的抗氧化剂。
They contain polyphenols - antioxidants that help skin look younger.
葡萄皮为红酒提供色泽和含量最多的多酚类物质，这是很强的一类抗氧化剂。
The skins provide red wine with its color and contain the highest concentration of polyphenols, which are potent antioxidants.
提取物中总黄酮和多酚类物质的含量与清除羟自由基能力有密切关系。
There are close connection between the hydroxyl radical scavenging activity and flavonoids content or polyphenols content.
主要成份：蜂胶的基本组份是树香脂复合物、多酚类物质、多糖类物质等。
Ingredient: The basic ingredient of propolis are tree balm compound, phenol substance and amylose.
多酚类物质：一大类具有抗氧化作用的植物化合物，在各种植物中分布广泛。
Polyphenols a broad class of antioxidant phytochemicals that are found throughout the plant kingdom.
本文研究了红豆中多酚类物质的提取工艺，并采用比色法对其含量进行了测定。
The techniques of extracting polyphenols in red bean was studied and its content was determined by colorimetry as well.
这导致白葡萄酒中多酚类物质的含量比正常水平增加了6倍，并表现出与红酒相似的抗氧化活性。
This resulted in a significant increase of white wine polyphenols up to six times the normal level and exhibited antioxidant activity similar to that of red wine.
小红莓富含抗氧化的多酚类物质，适当服用有增强免疫系统，防止泌尿感染的作用。
In recent years, research found cranberries rich in antioxidant polyphenols, hence can be used to enhance the immune system to prevent urinary tract infections.
当来自太阳的紫外线轰击到莴笋时，莴笋叶子就会在外层细胞创造吸收紫外线的多酚类物质。
When bombarded with ultraviolet rays from the sun, the lettuce leaf creates UV-absorbing polyphenolic compounds in its outer layer of cells.
在此条件下对多酚类物质进行制备，结果为多酚类物质得率9.87%、纯度61.3%。
In the condition, the final results were that recovery of TP 9.87%, purification of TP 61.3%.
对超声波辅助提取苦荆茶中多酚类物质的工艺进行研究，讨论了各实验因素对实验结果的影响。
Study on the extraction of Polyphenols Substance(PS)from Kujingcha was carried out by ultrasound wave and the effects of experimental factors on experimental results were discussed.
尽管Vinson鉴别出多酚类物质和绿原酸是促使体重减轻的物质，但是仍需要进一步的研究。
Though Vinson identified polyphenols and chlorogenic acid as the agents that appear to promote weight loss, Grollman said that claim needed further study.
可可和茶都包括多酚类物质，一种已知有助于预防心血管疾病的化学药品，在水果和蔬菜中存在最多。
Both cocoa and tea contain polyphenols, a class of chemicals known to help prevent cardiovascular disease, and are present in most fruits and vegetables.
固定化发酵能降低葡萄酒中的多酚类物质和单宁的含量，增加氨基酸的含量，提升葡萄酒的营养功能。
Besides, immobilized fermentation could reduce polyphenol and tannin content and increase amino acids content in the wine (which enhanced the nutritional functions of grape wine).
举例来说，煮过的胡萝卜，明显增加了可衡量的类胡萝卜素水平，但与生胡萝卜相比，导致了完整的多酚类物质的损失。
Boiling carrots, for instance, significantly increased measurable carotenoid levels, but resulted in the complete loss of polyphenols compared with raw carrots.
葡萄酒的马德拉化是酒中多酚类物质的氧化及因氧化所引起的一系列后续反应的过程，马德拉化能引起葡萄酒颜色和口感的变化。
Madeirization in white wine was induced by polyphenol oxidation and subsequent reactions. Madeirization resulted in a loss of freshness, colour intensification, turbidity and off-flavour in wine.
新鲜茶叶中的四种主要的多酚类物质为儿茶素，epigallocatechin(?) ，epicatecingallate(?)
The four primary polyphenols found in fresh tealeaves are epigallocatechin gallate (EGCG), epigallocatechin, epicatechin gallate, and epicatechin.
相信很多人都知道红酒，水果，蔬菜里面含有可以预防和治疗癌症的多酚类物质吧，那么，到底要吃多少，我们身体才能达到预防疾病的效果呢？
Chemical in red wine, fruits and vegetables stops cancer, heart disease, depending on the dose.
紫苏提取物因富含植物多酚类物质和黄酮类化合物，表现出很强的抗氧化活性、抑酶特性和抑菌特性，是一种高效、低毒的天然食品防腐剂。
Perilla extract is rich in plant polyphenols and flavonoids, which shows a strong antioxidant, inhibitory activity and antibacterial. It is a natural food preservative with efficient low toxicity.
以脱脂大麦粉为原料，以总多酚和原花青素的提取得率为考察指标，采用超声技术通过单因素实验和正交实验对大麦中多酚类物质的提取工艺进行探讨。
The defatted barley powder was used as raw material and ultrasonic extraction technology of total polyphenol and proanthocyanidins was studied by single factor and orthogonal experiment.
值得一提的是，茶和咖啡中富含多酚类，这种物质会抑制身体吸收铁质。
Be aware that tea and coffee contain polyphenols which can bind to iron, making it difficult for your body to absorb.
研究了以中、低档茶叶为原料，采用溶剂法提取多酚类抗氧化物质的工艺技术。并在工艺上进行了一定的改进，提高了产品的纯度，降低了成本。
The polyphenols antioxidants are extracted by solvent method from the middle and low-grade tea, and how to improve the purity of product and lower costs are also discussed.
植物多酚与人类的生活息息相关，作为一类具有生物活性的天然物质，它对人的消化、营养、健康产生影响。
Plant polyphenol is closely linked with human life. As a savageness substance with biological activity, plant polyphenol effects digest, nutrition and health of human.
植物多酚是一类重要的生理活性物质。
Plant Polyphenols is a kind of important physiological activity material.
可可粉和茶叶都含有多酚，这是一类已知的可以预防心血管疾病的物质，它存在于大多数水果和蔬菜中。
Both cocoa and tea contain polyphenols, a class of chemicals known to help prevent cardiovascular disease that are present in most fruits and vegetables.
反应可能经过两个步骤，先是底物氧化生成黄色苯醌类物质，然后醌类中间物偶联形成多聚酚。
The results suggest that the reaction consists of formation of yellow quinones and then coupling of them to produce polyphenylphenols.
反应可能经过两个步骤，先是底物氧化生成黄色苯醌类物质，然后醌类中间物偶联形成多聚酚。
The results suggest that the reaction consists of formation of yellow quinones and then coupling of them to produce polyphenylphenols.
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