07533

Yeast Extract

suitable for microbiology

• UNSPSC Code: 41106212
• NACRES: NA.85

Properties

• biological source: Saccharomyces cerevisiae
• Quality Level: 200
• sterility: non-sterile
• form: powder
• shelf life: limited shelf life, expiry date on the label
• composition: amino-N, ≥4.0% ; nitrogen content, ≥8.0%
• ign. residue: ≤15%
• loss: ≤8.0% loss on drying
• pH: 5.8-6.8 (25 °C, 2% in H₂O)
• application(s): food and beverages; microbiology

Description

Application

A watersoluble yeast peptone enriched by the vitamin B complex for special fastidious microorganisms. Additionally it is enriched with Thiamin, Riboflavin, Niacin and Biotin. The yeast peptone contains highly concentrated protein in form of amino acids and peptides and serves as excellent source of minerals, nucleic acids and other promoters to support the growth of microorganisms.
Application: used as nutrient in diverse fermentations methods, including lactic acid cultures and pharma compounds.

Typical Analysis:

Viitamins mg/100 g product
Thiamin HCI (B1) ≥36
Riboflavin (B2) ≥13
Niacin ≥650
Vitamin B6 3.9
Folic acid 2.8
Pantothenic acid 11.2
Biotin ≥2
Inositol ≥160
Pyridoxine HCI 7

Minerals mg/100 g product
Calcium 164
Copper 0.8
Iron 0.7
Magnesium 144
Manganese 1.23
Phosphorus 1330
Potassium 2650
Sodium 678
Zinc 17.3

Analysis Note

solubility (2% in water, at 25 °C): clear to slightly turbid, light yellow and light brown-yellow and light brown

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable