Review in the Studies on Tannins Activity of Cancer Prevention and Anticancer;
丹宁类化合物防癌抗癌活性研究
The tannins from grapes come from different parts,but all of them are the polymers of catechin.
葡萄浆果中的丹宁都是儿茶素的多聚体 ,其中最主要的是表儿茶素 ;原飞燕草素是果皮和果梗中特有的丹宁单体分子 ,而木立口 酸化丹宁是种子中的主要丹宁 ,也是葡萄浆果中涩感最强的丹宁。
After the culture medium was steeped in 40℃ ion free water for 60?minutes ,the crude cellulase liquid was made by filtering the steeper, when the content of tannin in the enzyme liquid up to 5.
在酶活为FPase 2 2 6u/mL的稀酶液中 ,加入丹宁至 5 0g/L时 ,粗酶液中纤维素酶接近完全沉淀下来 ,将沉淀分散于 pH4 6的 0 1mol/L柠檬酸缓冲液中 ,加入分子质量为 6 0 0 0u的聚乙二醇 (PEG)至丹宁含量的 1 6～ 4 0倍 ,酶活回收率达到2 10 %～ 2 4 5 % ,可将纤维素酶浓缩 7～ 8倍。
The mixed solvent of ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate and water has efficiently promoted the synthesis of a variety of 5-arylmethylidene-4-oxo-2-thiothiazolidines from the cor- responding aromatic aldehydes and rhodanine at room temperature in 80%～93% yields within 10 to 120 min.
在室温条件下,离子液体1-正丁基-3-甲基咪唑四氟硼酸盐([bmim]BF4)与水组成的混合溶剂能有效催化一系列芳醛与罗丹宁反应,以80%～93%的产率生成相应的5-芳亚甲基-2,4-噻唑二酮。
This paper reports the preparation of the complexe of α,ω-bisrhodanine-oxoalkane with Hg(II),and their structures were identified by elemental analysis,IR,UV and 1HNMR spectra.
报道了α ,ω -双罗丹宁氧杂烷与Hg(II)形成的四个新配合物 ,其结构通过元素分析 ,IR、UV和1 HNMR光谱鉴定 ,金属含量由双硫腙法测定。
The sulphochlorophenol S spectrophometric method with high gensitivity is proposed for the determination of niobium in steel after tannic acid precipitation separation.
用丹宁酸沉淀分离干扰元素的手段和选择具有高灵敏度的显色剂氯磺酚Ｓ，以分光光度法测定钢铁中铌量。
Objective To evaluate the effects of tannic acid(TA) treatment on the physico-chemical properties of glutaraldehyde(Glut)-fixed bovine jugular vein(BJV).
目的评估丹宁酸改性处理对戊二醛固定牛颈静脉管道理化性质的影响。
A study on the method for synthesizing 3-carboxymethyl-5-(6-methoxy-N-ethyl-benzothiazole) rhodanine;
3-羧甲基-5(6-甲氧基-N-乙基苯并噻唑)若丹宁合成方法研究
The method of synthesis of 3-carboxymethy1-5-(3-methyl cinnamylidene)rhodaninewas reported.
文章报道一种症状消除性抗糖尿病新药３－羧甲基－５－（３－甲基－肉桂叉）若丹宁的合成方法，在合成中间体３－羧甲基若丹宁中通过溶剂选择和改变反应条件提高了产率，对合成的产物进行了ＩＲ，￣１ＨＮＭＲ和元素分析。
The method is based on the catalytic effect of Sn(Ⅳ) on the oxidation of 3-(3′-chlorophenyl)-5-(2′-aresenoxylphenylazo)rhodanine by potassium periodate in a buffer solution of potassium hydrogen phthalate-sodium hydroxide at pH=5.
0的邻苯二甲酸氢钾-氢氧化钠缓冲溶液中,痕量锡(Ⅳ)强烈地催化高碘酸钾氧化3-(3′-氯苯基)-5-(2′-胂酸基偶氮)若丹宁的反应,引起体系荧光强度的明显猝灭,其最大荧光激发和发射波长为308 nm/410 nm。
tannic acid
【化】鞣酸, 丹宁酸
derived from, or resembling, tan or tannin.
从丹宁酸中提取的或类似于丹宁酸的。
caffeine-tannin complex
(茶叶的)咖啡因-丹宁络合物
In a preferred embodiment of the present invention, the tannase is recycled and in that case higher initial levels of tannase are used.
在本发明的所选用的具体操作中,丹宁酶被循环使用,因而在一开始要使用高剂量的丹宁酶。
The endosperm of the nut owes its marked degree of astringency to the tannins it contains
坚果的胚乳由于存在丹宁，所以有显著的涩味。
It is the tannic acid contained in oak that ages the brandy.
正是栎木里含的丹宁酸使白兰地变芳醇了。
Tannin inclusions in vacuoles have also been demonstrated by the electron microscope.
液泡中的丹宁内含物也已用显微镜证实。
Full flavored, velvet tannins enhance the long, sweet fruit finish.
丹宁柔和，突出了持久回味及甜润的果香。
QUANTITATIVE DETERMINATION OF 3-PHENYL RHODANINE BY K-RATIO UV SPECTROPHOTOMETRY
系数倍率-紫外光谱法测定3-苯基绕丹宁的含量
Synthesis of 3-bromo-4-hydroxy-5-methoxy-benzylidene rhodanine acetic acid Wang Cunde
3－溴－4－羟基－5－甲氧基苄叉绕丹宁乙酸的合成
Spectrophotometric Determination of Gold(III) with 5-(o-nitryl)methylenerhodanine;
5-(o-硝基)亚甲基若丹宁分光光度法测定金
Cuprum Determination by Photometry of 5 - (furanmethylene)rhodanine;
5-呋喃亚甲基若丹宁光度法测定铜的研究
Cuprum Determination by Photometry of 5-(p-aminobenzylidene)rhodanine;
5-(4-氨基)亚甲基若丹宁光度法测定铜的研究
Application of Vinyl Polymer Tanning Agent Modified with Tannin
丹宁酸改性乙烯基类聚合物鞣剂的应用研究
It is persistent, long-lasting and flavorful, ending pleasantly in the mouth due to its firm tannins and good acidic quality.
持久口感来自于它优质的丹宁所带来的酸味，香醇美味，收尾完美。
"Even amid turmoil, Stan can have inner peace."
"即使在混乱中,史丹内心依然宁静。"
Determination of Salvianolic Acid B in Xinkening Capsules by HPLC
HPLC测定心可宁胶囊中丹酚酸B的含量
Determination of Salvianolic Acid B in Rujining Capsule by HPLC
HPLC测定乳疾宁胶囊中丹酚酸B的含量