Yeast Extract Powder, Industrial Grade

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Cat No.

CEGZ-6439

Description

A powdered yeast extract produced from fresh brewer or baker yeast through autolysis or enzymatic hydrolysis, separation, concentration and drying to provide a soluble nutrient mixture rich in amino acids, peptides and other yeast-derived factors.

Source

Fresh brewer's yeast or baker's yeast

Applications

Industrial fermentation for biopharmaceuticals, amino acids, vitamins, organic acids, enzyme preparations, probiotic processes, biopesticides and microbial preparations.

Appearance

Powder; pale yellow to yellow-brown; no caking; characteristic yeast-extract odor; free of visible foreign matter.

Package

250 g/bottle; 1 kg; 25 kg

Product Overview

The dry format is designed for convenient handling in fermentation and microbiological media while supplying soluble yeast-derived nitrogen and growth factors.

Form

Powder

pH Stability

2% aqueous solution: 4.5-7.5

Composition

Yeast-derived peptides, amino acids and other water-soluble nutritional components.

Quality

Industrial grade: Total nitrogen (dry basis) >=7.5%; Amino nitrogen (dry basis) >=2.5%; Ash (dry basis) <=15.0%; Moisture <=6.0%; Transparency (2% solution): slightly turbid
Biochemical grade: Total nitrogen (dry basis) >=7.5%; Amino nitrogen (dry basis) >=3.0%; Ash (dry basis) <=15.0%; Moisture <=6.0%; Transparency (2% solution): clear
Trial grade: Total nitrogen (dry basis) >=7.5%; Amino nitrogen (dry basis) >=3.5%; Ash (dry basis) <=15.0%; Moisture <=6.0%; Phosphate precipitation test: clear

Usage

Use as a culture-medium ingredient; dissolve completely and sterilize before use.

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Project Description:

For research and industrial use only. Not intended for personal medicinal use. Certain food-grade products are suitable for formulation development in food and related applications.

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