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product name
胰蛋白胨, Microbiologically tested.
生物源
bovine milk
品質等級
形狀
powder
品質
Microbiologically tested.
包裝
bottle of 1 kg
bottle of 250 g
氮分析
11.0-16.0% total
損耗
≤6% loss on drying
顏色
light yellow
pH值
6.9-7.4
應用
food and beverages
microbiology
適合性
Escherichia coli
Haemophilus spp.
Lactobacillus spp.
Streptococcus spp.
coliforms
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一般說明
胰蛋白胨是肽的混合物，通常用作微生物培养基中的营养源。它源自大豆酪蛋白消化物，含有氨基酸和肽（包括色氨酸）的复杂混合物。胰蛋白胨通常与其他成分（例如酵母提取物和琼脂）结合使用，为微生物的生长提供营养丰富的环境。它对培养挑剔的细菌特别有用，这些细菌需要比单糖或氨基酸更复杂的营养来源。胰蛋白胨也用作一些浓缩肉汤的成分，并且是商业培养基配方中的常见成分。
應用
胰蛋白胨在微生物学中具有广泛的应用，包括：
- 生长培养基：胰蛋白胨经常用作细菌、酵母和其他微生物生长培养基中的营养来源。它可以单独使用，也可以与其他成分（例如琼脂、葡萄糖和盐）组合使用，为微生物生长提供完整的营养源
- 富集培养基：胰蛋白胨通常添加到富集培养基中，以促进临床或环境样品中生长缓慢或应激的细菌的生长。这对于目标微生物数量较少或难以分离的样品特别有用
- 重组蛋白的生产：胰蛋白胨是许多用于生产重组蛋白的细菌生长培养基的成分。它提供蛋白质生物合成所需的丰富氨基酸和肽来源
- 它还用于微生物测试，以确定抗菌剂对测试生物体的最低抑菌浓度 (MIC)。总体而言，胰蛋白胨的多样化和多功能特性使其成为各种微生物应用中的宝贵工具
準備報告
酪蛋白胰消化物。
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 1
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Gloves, type N95 (US)
其他客户在看
Joseph A Bentil et al.
World journal of microbiology & biotechnology, 35(6), 82-82 (2019-05-28)
In developing countries, local enzyme production can help decrease the dependency of imported enzymes for bioconversion of e.g. cellulosic feedstocks, but the use of conventional nitrogen sources contributes significantly to such enzyme production cost. Use of local resources is therefore
Tarja Kaijalainen et al.
Journal of clinical microbiology, 42(1), 412-414 (2004-01-13)
In STGG (skim milk, tryptone, glucose, glycerol) medium at -80 degrees C, Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis isolates survived for at least 3 years, and the same species have survived in nasopharyngeal swabs for at least 1.5 years.
S Oh et al.
Applied and environmental microbiology, 61(11), 3809-3814 (1995-11-01)
This study was undertaken to find optimum conditions of tryptone, yeast extract, glucose, Tween 80, and incubation temperature for the growth of Lactobacillus casei YIT 9018 and to assess the effects of these factors by use of response surface methodology.
Frederick K Balagaddé et al.
Science (New York, N.Y.), 309(5731), 137-140 (2005-07-05)
Using an active approach to preventing biofilm formation, we implemented a microfluidic bioreactor that enables long-term culture and monitoring of extremely small populations of bacteria with single-cell resolution. We used this device to observe the dynamics of Escherichia coli carrying
Samantha B Kasloff et al.
Scientific reports, 11(1), 984-984 (2021-01-15)
The spread of COVID-19 in healthcare settings is concerning, with healthcare workers representing a disproportionately high percentage of confirmed cases. Although SARS-CoV-2 virus has been found to persist on surfaces for a number of days, the extent and duration of
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