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生物源
Porcine heart
品質等級
形狀
powder
儲存期限
limited shelf life, expiry date on the label
成份
amino-nitrogen, ≥4.5%
total nitrogen (N), ≥11%
包裝
pkg of 500 g
儲存條件
(Tightly closed. Dry.)
燃燒殘留物
≤17%
損耗
≤6.0% loss on drying
顏色
light yellow
pH值
6.5-7.5 (25 °C, 2% in H2O)
溶解度
H2O: 2%, clear, light yellow (and light brown-yellow and light brown)
應用
food and beverages
microbiology
一般說明
Brain Heart Infusion (BHI), Porcine, is a culture medium commonly used in microbiology for the cultivation of various fastidious, pathogenic microorganisms, including yeasts and molds. The media is nutritious and well-buffered to support the growth of a wide range of microorganisms such as Streptococci, Pneumococci, Meningococci, etc. The media is especially suited for the cultivation of Staphylococci for the plasma coagulase test and setting up blood cultures.BHI is typically prepared using porcine (pig) brain and heart tissues as the source of the raw materials. The enzymatic digestion of porcine brain-heart infusion provides amino acids, nitrogen, carbon, vitamins, and minerals for the growth of organisms. Glucose is the source of carbohydrates, and sodium chloride maintains the osmotic balance of the medium. Disodium phosphate is a buffering agent.
應用
Brain Heart Infusion, porcine, is recommended for the cultivation of fastidious pathogenic microorganisms and is often used for the examination of water, wastewater, meat, and food products. It is used as a culture medium for the growth of Streptococcus pneumonia, Listeria monocytogenes, Leishmania promastigotes, and Clostridium difficile.
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
商品
Culture media provides a habitat with suitable nutrients, energy sources, and certain environmental conditions for the growth of microorganisms. The components of the culture media range from simple sugars to peptones, salts, antibiotics, and complex indicators.
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