没食子酸

Soybean oil, beeswax, candellia wax, ozokerite, carnauba, shea butter, ginkgo, rosemary, vitamin E, propyl gallate, essential oil of mint.

大豆精华油，蜂蜡，蜡大戟蜡，石蜡，巴西棕榈，牛油果，银杏，迷迭香，维生素E，没食子酸丙酯，薄荷精油

Using gallic acid as the standard, the optimum conditions for determining of the polyphenols in the apple pomace by Folin method are investigated.

以没食子酸为标准品研究了福林法测定苹果渣中多酚物质含量的适宜条件。

Propyl gallate ; synthesis ; esterification ; new technology ; food antioxidant

没食子酸丙酯；合成；酯化；新工艺；食品抗氧化剂

Pyrogallol was prepared by one-step method from tara powder.

以塔拉粉为原料，采用一步法制备焦性没食子酸。

The product,after purified with xylene,met the requirement of reagent standards of pyrogallol.The content of pyrogallol was 99.0%.

产品用二甲苯提纯，其质量达到试剂标准，焦性没食子酸含量为99.0％。

By using a mixture of aromatic hydrocarbon and water as a binary solvent,reaction of pyrogallol with PhCCl 3 was carried out in the presence of a catalyst(ZnCl 2?AlCl 3 or SOCl 2).2,3,4-Trihydroxybenzophenone was obtained in yields of 80%-87% with the advantages of easy control,stable yield,high product quality and low cost.

以焦性没食子酸为起始原料，在惰性气体保护和催化剂(ZnCl2、AlCl3或SOCl2)的存在下，在芳香烃与水组成的二元混合溶剂中，与三氯甲苯反应，经过芳香烃溶剂的后处理，可以得到2，3，4-三羟基二苯酮，产率最高达87%。

Uva Ursi leaf contains powerful phytochemicals such as volatile oils, arbutin, quercetin, and mallic and gallic acids. Arbutin is highly antibacterial and destroys bacteria and fungus that infect the urinary system such as E.

熊果叶：它含有不少强力的植物化学因子，如挥发油、熊果叶素、槲皮素、没食子酸、苹果酸。

Canarium album Raeusch ;Gallic acid;HPLC; Quality control

青果；没食子酸；高效液相；质量控制

Result In the different provenances of Polygonum capitatum tested, the content of total flavone and gallic acid varied significantly.

结果］不同种源头花蓼中总黄酮及没食子酸的含量有明显差异。

To compare the content of total flavone and gallic acid in Polygonum capitatum from different provenances.

［目的］比较不同种源头花蓼中总黄酮及没食子酸的含量。

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。