Quality Segment
biological source
(extracted under controlled conditions from purified fresh bile)
sterility
non-sterile
form
powder
loss
≤8% loss on drying
color
yellow to brownish-yellow
pH
7-9
solubility
distilled water: soluble
application(s)
microbiology
storage temp.
10-30°C
General description
胆汁盐是一种有机钠盐,包含任何胆汁酸与甘氨酸或牛磺酸的偶联物。胆汁盐由四种不同的胆汁酸组成:胆酸、脱氧胆酸、鹅脱氧胆酸和石胆酸。胆汁盐是在受控条件下由纯化的新鲜胆汁提取出来,可用于细菌培养基,在细胞培养基中它作为一种选择性抑制剂,可以分离和鉴定病原体。
Application
胆汁盐可加入麦康凯(MacConkey)琼脂/肉汤和液体连四硫酸盐培养基,选择性抑制不在肠道环境生长的细菌。可作为培养基选择剂用于选择性培养肠道细菌,包括大肠杆菌、其他粪便大肠菌群和粪便链球菌。也作为培养基选择剂用于检测小肠结肠炎耶尔森菌、嗜水气单胞菌和弧菌属。
Preparation Note
从纯净的新鲜胆汁中提取。
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存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)