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Merck
CN

07533

Yeast Extract

from Saccharomyces cerevisiae, powder, suitable for microbiology

Synonym(s):

Yeast Extract, Yeast autolysate, Yeast nutrient

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About This Item

CAS Number:
UNSPSC Code:
41106212
NACRES:
NA.85
MDL number:
Technical Service
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biological source

Saccharomyces cerevisiae

Quality Level

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

suitability

molds, yeasts

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


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Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable



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Global Trade Item Number

SKUGTIN
B9879-100G04061833444023
B6420-100G04061833608319
B6420-25G04061833608326
115228025004022536158792
115228901004022536692975
391334-25GM04055977190083
14853-250G04061833439982
B4554-100G04061833608302
B4554-1KG04061826752241
B4554-25G04061833429761
B4554-500G04061833429778
V900291-100G04061833469316
V900291-25G04061833462058
B9879-1KG04061835265190
B9879-250G04061832546643
B9879-25G04061833444030
115228002504022536158785
391334-100GM07790788058364
14853-50G04061833448489
07533-500G04061838648198