原装Tryptone;胰蛋白胨;oxoidLP0042现货供应,其它生化试剂

产地：oxoid
货号：LP0042
名称：Tryptone;胰蛋白胨
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.
Typical analysis          (% w/w)
Total Nitrogen            13.3
Amino Nitrogen             3.7
Sodium chloride            0.4
pH (2% solution)           7.3 ± 0.2
Tryptone;胰蛋白胨

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