• Prepared from autolyzed yeast
• For use in preparing microbiological culture media

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IBI’s Yeast Extract is used in preparing microbiological culture media. Yeast extract is the water soluble portion of autolyzed yeast. The autolysis is carefully controlled to preserve the naturally occurring B-complex vitamins. It is an excellent stimulator of bacterial growth and is used in culture media in place of, or in addition to, beef extract.

Store product at room temperature, keep tightly sealed, and protect from moisture and light.

CAS#: 8013-01-2
pH (@ 25°C): 6.7
Clarity (1% solution, NTU): 1.5
Ash: 10.6%
Moisture: <5.0%
Filterability (g/cm²): 2.7

Molecular Biology Specifications
Carbohydrate Total: 17.9%
Nitrogen Total: 10.9%
Amino Nitrogen Total: 6.1%
AN/TN: 55.0

Yeast Extract Specification Sheet

Yeast Extract CofA - Lot# 16K4030

Yeast Extract CofA - Lot# 16G4007

Yeast Extract CofA - Lot# 16F5003

Yeast Extract CofA - Lot# 181222-031509221

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Yeast Extract CofA - Lot# L15-24

Yeast Extract CofA - Lot# J15-52

Yeast Extract CofA - Lot# I15-13

Yeast Extract CofA - Lot# F15-79

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Yeast Extract CofA Lot# B15-10

Yeast Extract CofA Lot# F14-68

Yeast Extract CofA Lot# L14-20

Yeast Extract CofA Lot# 18F2003

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Yeast Extract CofA_ - Lot#21C2022

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Yeast Extract CofA - Lot#21E3004

Yeast Extract CofA - Lot#21J5015

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Yeast Extract CofA - Lot#23B1004

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Yeast Extract - SDS

Biological Testing (CFU/g)
● Coliform Negative
● Salmonella Negative
● Spore Count 10
● Standard Plate Count 100
● Thermophile Count 5

Recommended Use
IBI’s Yeast Extract is used in preparing microbiological culture media. Yeast Extract is the water soluble portion of autolyzed yeast. The autolysis is carefully controlled to preserve the naturally occurring B-complex vitamins. It is an excellent stimulator of bacterial growth and used in culture media in place of, or in addition to, beef extract.

Storage
Store at room temperature. Keep tightly sealed. Protect from moisture and light.

Warning
Avoid contact with eyes, skin, and clothing. Wash thoroughly with water after handling. See Material Safety Data Sheet for additional information.