ITEMS

STANDARDS

METHODS OF ANALYSIS

Content

Gamma aminobuturic acid (%)

≥20.0

Q/MYGLS 0001

Sensory

Stat

Powder

Q/MYGLS 0001

Color

White or pale yellow

Q/MYGLS 0001

Smell

Characteristic smell

Q/MYGLS 0001

Impurity

No visible impurity

Q/MYGLS 0001

Physical and Chemical

Moisture (%)

≤10.0

GB 5009.3

Ash (%)

≤18.0%

GB 5009.4

Pb (mg/kg)

≤1.0

GB 5009.12

As (mg/kg)

≤0.5

GB 5009.11

Microbial

Total microbial count (CFU/g)

≤1000

GB 4789.2

Coliform (MPN/100g)

≤40

GB/T 4789.3-2003

Mould (CFU/g)

≤50

GB 4789.15

Pathogenetic bacteria (Salmonella, Shigella, Staphylococcus)

Negative

GB 4789.4、GB 4789.5、GB 4789.10