酚类

Study on the EtOAc participated fraction from the barks of Platanus orientalis Linn.

研究了三球悬铃木树皮的酚类化学成分。

Aloe contains abundant natural vitamins, aloe polyose, phenol compounds and others beauty nutrients.

成份芦荟含有丰富的天然维生素群及芦荟多糖、酚类化合物等美容营养素。

Ursolic acid (UA; 3-β-hydroxy-urs-12-en-28-oic acid), a constant constituent of Rosmarinus officinalis extracts, is a triterpenoid compound which has been shown to have antioxidant and anticarcinogen properties.

乌苏酸 （Ursolic acid，UA；3-β-hydroxy-urs-12-en-28-oic acid）是一种存在於迷迭香中的多酚类化合物，目前已被证实具有抗氧化和抗癌的活性。

Hibiscus protocatechuic acid, a simple phenolic compound, isolated from Hibiscus sabdariffa L.

原儿茶酸（protocatechuic acid， PCA）是一简单多酚类化合物，经由乾燥的洛神花萃取而来的。

Seedlessness treatments increased the contents of polyphenols and antioxidant capacity in leaf, stem and tentril, while decreased them in skin and pulp.

4无核处理提高了叶片、茎和卷须内酚类物质的含量及其清除自由基的能力，而果皮和果肉中含量有所下降，相应的清除自由基的能力也低于对照。

Comparative Analysis of Ursolic Acid in Hawthorn Leaves by HPLC.

LC-UV和LC-MS在山楂叶多元酚类成分分析中的应用比较。

Viticultural decisions can influence the extent and nature of the polyphenols that find their way into the must, although this is far from an exact science.

葡萄栽培的决定可以影响进入葡萄汁的多酚类物质的范围和性质，虽然这远不是一门精确的科学。

Oak barrels(from different producing areas or different aged time),aging time and methods were the decisive factors to phenolic compounds of brandies during maturation.

陈酿过程中，木桶、陈酿时间和陈酿方法是白兰地中多酚类物质含量的决定性因素；对于香气成分，陈酿时间和陈酿方法是决定性因素。

PVP andβ-mercaptoethanol were added to lyses buffer in order to inhibit oxidation of polyphenol,high concentration of salt solution and elution for many times were used to remove polysaccharide, using above methods ,high quality DNA of Baphicacanthus cusiaBremek could be obtained.

结果表明，在提取液中加入PVP和β-巯基乙醇去除酚类物质，采用高盐沉淀DNA和多次洗涤去除糖类，可以得到高质量的马蓝基因组DNA。

It has a promoting or inhibitory effect on the activity of soil enzymes at the early stage of application but assuaged or disappeared with time. Therefore, hydroquinone used as an urease inhibitor will not induce the pollution of environment and the poising of food chain.

但因其属于含有苯环的酚类物质，人们对其作为腺酶抑制剂在农业中应用的安全性十分关心，因为在我国和别的国家，均有过一些在短时期内不曾危害人类健康和生态

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。