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70951 Sigma-Aldrich

Peptone from gelatin, enzymatic digest

for biotechnological purposes

Synonym: Peptone from gelatin



Related Categories Base Ingredients for Media, Microbiology, Protein Sources (Peptones & Extracts), Protein Sources (derived from animal tissue), Protein Sources (milk derived),
grade   for biotechnological purposes
assay   ≥15% total nitrogen (N) basis
impurities   ≥2.4% amino N
ign. residue   <9.0%
loss   ≤6.0% loss on drying
pH   6.5-7.5 (25 °C)
solubility   H2O: soluble2%, clear, yellow to brownish-yellow


General description

A rich source of amino acids and peptides recommended for culture media in analytical microbiology and in industrial fermentation.

Other Notes

Same product — same quality — now Sigma-Aldrich brand

Price and Availability

Suggested Laboratory Gloves

Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Protocols & Articles


Microbiology Introduction

An initial aim of all microbiologists is the reproducible growth of their microbial cultures, no matter whether the microorganisms are of natural origin or have been genetically engineered by man. Re...
Keywords: Absorption, Aerobic, Anaerobic, Antibiotics, Antimicrobials, Buffers, Culture media, Diffusion, Environmental, Filtration, Genetic, Growth factors, Metabolism, Phase transitions, Precipitation, Reductions, Respiration, Sample preparations, Vitamins

Microbiology's Basic Ingredient: Protein Sources (Peptones)

Peptones and extracts are excellent natural sources of amino acids, peptides and proteins in growth media. They are most often obtained by enzymatic digestion or acid hydrolysis of natural products, ...

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