妖精色av无码国产在线看-精品国产一二三产品区别在哪-亚洲视频无码高清在线-国产精品成人a区在线观看-精品国精品无码自拍自在线-米奇777四色精品人人爽

Oxoid胰蛋白胨現貨供應，Oxoid胰蛋白胨*
蛋白胨是酪蛋白的胰消化。它可用于在任何制定胰腺或胰蛋白酶消化酪蛋白中。酪蛋白是牛奶的主要蛋白質是氨基酸態氮的豐富來源
 

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’ or `sulphide’ 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.

Oxoid胰蛋白胨現貨供應，Oxoid胰蛋白胨*

咨詢！