Yeast extract，powder - Standard, high purity , CAS No.8013-01-2

Item Number

Y278663

• Synonyms: 8013-01-2|2-(11H-benzo[a]fluoren-11-yl)acetic acid|11H-benzo[a]fluoren-11-ylacetic acid|2-{11H-benzo[a]fluoren-11-yl}acetic acid|CHEBI:174614|AKOS015906550|2-(11H-benzo[a]luoren-11-yl)acetic acid|2-(11H-benzo[a]fluoren-11-yl)-acetic acid
• Specifications & Purity: Standard
• Storage Temp: Protected from light,Desiccated
• Shipped In: Normal

Product Description

Product Introduction

Purified and cultivated baker's yeast is used as a raw material, and it is a powdery product obtained by autolysing enzymatic hydrolysis, centrifugal separation, concentration, and spray drying

Description

Light yellow powder, easily soluble in water;

Rich in amino acids, peptides, B vitamins, nucleotides, trace elements, etc.

Application

As an organic nutrient source for microorganism cultivation, it is suitable for: laboratory microorganism cultivation experiments; bioengineering industries such as amino acids, organic acids, antibiotics, enzyme preparations, biological preservatives, vitamins, exopolysaccharides, biological materials, etc.

Physical-chemical characteristics

Test items	Index
Solubility (%, normal temperature)	2%, completely dissolved
pH（2%Solution）	5.3-7.2
Moisture（%）	≤6.0
Total nitrogen (on dry basis, %)	≥10.0
Amino nitrogen (on a dry basis, %)	≥4.0
Ash content (%)	≤15.0
NaCl（%）	≤2.0

Microbiology

Test items	Index
Total number of colonies（cfu/g）	≤10000
Coliform（MPN/g）	≤0.3
Pathogenic bacteria	Not check out

Heavy metals

Test items	Index
Total arsenic（ppm）	≤0.5
lead（ppm）	≤1.0

Minerals

Test items(mg/kg)		Index
Potassium		41600
Sodium		380
Calcium		1980
Magnesium		1680
Zinc		126
Iron		44.5

ps :The above indicators are for reference only, the specific values are subject to the actual measurement of each batch

Average vitamin composition

Test items(ppm)	Index
B1 B2 B5 B6 B7 B12（μg/100g）	9.22 59.1 12.7 14.4 4.98 6.25
Nicotinamide（μg/100g）	6336

ps :The above indicators are for reference only, the specific values are subject to the actual measurement of each batch

Amino acid composition

Types of amino acids		Free amino acids（%）	Hydrolyzed amino acid（%）
Aspartic acid	Asp	1.46	6.66
Threonine	Thr	1.20	3.08
Serine	Ser	1.08	3.03
Glutamate	Glu	3.49	10.90
Glycine	Gly	0.74	3.13
Alanine	Ala	4.43	6.13
Cysteine	Cys	0.00	0.47
Valine	Val	2.03	3.79
Methionine	Met	0.69	0.35
Isoleucine	Ile	1.77	3.01
Leucine	Leu	2.90	4.15
Tyrosine	Tyr	1.17	1.91
Phenylalanine	Phe	1.73	2.73
Lysine	Lys	1.38	4.87
Histidine	His	0.26	1.37
Arginine	Arg	1.79	3.69
Proline	Pro	0.64	2.54
total		26.78	61.82

ps :The above indicators are for reference only, the specific values are subject to the actual measurement of each batch