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喜訊:OXOID公司生產(chǎn)的胰蛋白胨和酵母粉現(xiàn)貨促銷

瀏覽次數(shù):4526 發(fā)布日期:2011-11-18  來源:本站 本站原創(chuàng),轉(zhuǎn)載請注明出處
喜訊:OXOID公司生產(chǎn)的胰蛋白胨和酵母粉現(xiàn)貨促銷,價格超優(yōu)惠。有500G和25KG的現(xiàn)貨。
 
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北京拜爾迪生物技術(shù)有限公司
   2011年11月
 
 
  
TRYPTONE
Code: LP0042
Tryptone is a pancreatic digest of casein. It can be used in any formulation where a pancreatic or tryptic digest of casein is specified. Casein is the main protein of milk and is a rich source of amino acid nitrogen. The profile shows a broad spread of peaks throughout the molecular weight range characteristic of a pancreatic digest. This hydrolysate is often mentioned in published works, either as a constituent of culture media for metabolic or growth studies, or for other purposes where high performance and uniformity of composition are of paramount importance. It has a high tryptophan content and is therefore used in media for testing the indole reaction.
Tryptone can detect `flat-sour&;rsquo; or `sulphide&;rsquo; spoilage organisms in the canning industry and is also used in sterility testing media.
It is a constituent of media used in fermentation processes to produce antibiotics, extra-cellular protein, interferon and diphtheria toxoid.
Typical analysis
( w/w)
Total Nitrogen
13.3
Amino Nitrogen
3.7
Sodium chloride
0.4
pH (2% solution)
7.3 ±;; 0.2
Further Information related to  LP0042
 


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