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Peptone from Soymeal (Soy Peptone)

For preparation of microbial culture media and cell culture

SKU AS-1009 Category
Catalog Number: AS-1009
CAS Number: 91079-46-8

Enzymatic digestion of soyabean leads to a product called peptone from soymeal. Through this process, complex soy proteins are broken down into a variety of simpler compounds that bacteria can easily use.
Soymeal peptone is a rich source of various vital nutrients that are necessary for the growth of bacteria, such as:
Free amino acids are the building blocks of proteins, which bacteria can directly take into their synthesis process to make new proteins.
Short Peptide Fragments: Certain bacteria can also use shorter chains of amino acids as a source of nitrogen.
Essential Nutrients: In addition to nucleotides and trace elements, peptone derived from soymeal may also include other growth factors that promote the best possible bacterial development.

Shelf life and storage
Store peptone from soymeal (Soy Peptone) between 10-30 °C in a ventilated and low humidity place and protected from light. Close the container tightly after use. Use before expiry date.

Note that Peptone from Soymeal is for R&D use only. DO NOT USE for drug, household, or any other uses.

Typical analysis
Powder appearanceYellow to yellowish brown, homogenous, free flowing
SolubilitySoluble in water, insoluble in chloroform
1% solution appearanceClear
pH (2% in water)6 – 7
Chemical analysis
Total nitrogen≥9
Sodium chloride≤5
Amino nitrogen≥2.2
Moisture≤7
Amino acid composition (mg/g)
Aspartic acid13
Threonine13
Serine34
Glutamic acid30
Proline3
Glycine36
Alanine29
Cysteine0
Valine5
Methionine14
Isoleucine6
Leucine62
Tyrosine31
Phenylalanine24
Histidine12
Lysine50
Arginine102
Tryptophan16
Microbial Quality Control Cultural response after 18-48 hours incubation at 35-37 °C on Soybean Casein Digest Medium (AS-1370) prepared by peptone from soymeal as a component. Note that incubate fungal plate at 20-25 °C for at least 5 days.
StrainATCCGrowth
Escherichia coli25922Good
Staphylococcus aureus25923Good
Enterococcus faecalis11700Good
Pseudomonas aeruginosa27853Good
Salmonella typhi6539Good
Candida albicans10231Good
Bacillus subtilis6633Good

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