• 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

Yeast Extract CofA - Lot# 180921-031506400

Yeast Extract CofA - Lot# L15-24

Yeast Extract CofA - Lot# J15-52

Yeast Extract CofA - Lot# I15-13

Yeast Extract CofA - Lot# F15-79

Yeast Extract CofA - Lot# D15-94

Yeast Extract CofA - Lot# B15-42

Yeast Extract CofA Lot# B15-10

Yeast Extract CofA Lot# F14-68

Yeast Extract CofA Lot# L14-20

Yeast Extract CofA Lot# 18F2003

Yeast Extract CofA Lot#18J2015

Yeast Extract CofA Lot#19B3034

Yeast Extract CofA Lot#19D3022

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Yeast Extract CofA_- Lot#20G4011

Yeast Extract CofA -_Lot#20J3012

Yeast Extract CofA_-_Lot#20L4012

Yeast Extract CofA_ - Lot#21C2022

Yeast Extract CofA - Lot#21D1014

Yeast Extract CofA - Lot#21E3004

Yeast Extract CofA - Lot#21J5015

Yeast Extract CofA - Lot#21K1023

Yeast Extract CofA -Lot#21K5031

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Yeast Extract CofA - Lot#22E4013

Yeast Extract CofA - Lot#22G2003

Yeast Extract CofA - Lot#22H1003

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.