light and heat.
Packing
25 kg / drum, each piece is packed in a double polybag, then in a carton.
Shelf life
2 years when properly stored
【产品名称】没食子酸
【英文名称】Gallic acid
【IUPAC命名】 3,4,5-三羟基苯甲酸(3,4,5-Trihy-droxybenzoic acid),五倍子酸
【提取来源】五倍子、漆树、茶等植物中等。
【CAS No.】149-91-7
【性状】白色或灰白色结晶性粉末。
【规格含量】≥99%(HPLC)
【物理性质】针状结晶(无水甲醇或氯仿), 熔点235~240°(分解)。1g熔于87ml水、3ml沸水 、6ml乙醇、100m乙醚l、10ml甘油及5ml丙酮。几乎不溶于苯、氯仿及石油醚。
【药理作用】
1.抗菌、抗病毒、抗真菌:体外对金黄色葡萄球菌、八叠球菌、α-型链球菌、奈瑟球菌、绿脓杆菌、弗氏痢疾杆菌、伤寒杆菌Hd、副伤寒杆菌Adeng有抑制作用,其抑菌浓度为5mg/ml。体外,在3%浓度下对17种真菌有抑菌作用,对流感病毒亦有一定抑制作用。
2.抗炎症、抗肿瘤、抗过敏、抗诱变:对吗啉加亚硝酸钠所致的小鼠肺腺瘤有强抑制作用。
3.其它:本品还有利胆剂和支气管扩张剂,可抑制胰岛素降解,促进平滑肌松弛。曾被用作收敛剂和止血剂。
【应用领域】没食子酸可用作显影剂,它的碱性铋盐用作防腐剂,也用于制药工业上。
【保质期】24月
Gallic acid
Product source Extract from the root and stem of Rheum palmatum or the dried leaves of Eucalyptus robusta, or the fruit of Cornus officinalis, the flower of Lythrum salicaria etc.
Specifications ≥99%
Test method HPLC
Molecular formula C7H6O5
Molecular Weight 170.12
CAS No. 149-91-7
Physical Properties 1. Suloble in hot water, alcohol and glycerin and acetone, slightly soluble in ether, insoluble in benzene, chloroform and petroleum ether.
2. Its color turns into dark brown in strong light.Heat to 100-120 ℃ loss the crystal water.
Appearance white or grey-white powder
Particle size 80 Mesh
Function 1. Antibacterial, anti-virus, anti-fungal
2. Anti-inflammatory, anti-tumor, anti-allergy, anti-mutagenesis
Heavy metals max 10PPM
Loss On Drying ≤5.0%
Pesticides ≤2PPM
Microbiological Control Total plate count: 1000CFU/g
E. Coil: Negative
Salmonella: Negative
Yeast & Mold: 100CFU/g
Storage Store in cool & dry place. Keep away from strong light and heat.
Packing 25 kg / drum, each piece is packed in a double polybag, then in a carton.
Shelf life 2 years when properly stored