L-Glutathione Reduced / GSH

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L-Glutathione Reduced  / GSH

CAS No.：

70-18-8

Grade：

Food Grade

Specification：

98.0%~101%

ITEMS

SPECIFICATIONS

RESULTS

Identification

Positive

Complies

Appearance

White Crystalline Powder

Complies

Loss on drying

≤0.5%

0.25%

Sulfated Ash

≤0.1%

0.03%

Appearance of solution

Clear And Colorless

Complies

Solubility

Freely soluble in water, very slightly soluble in ethanol

Complies

Specific Optical Rotation

[α]D20：-15.5°～-17.5°

-15.9°

Total Heavy metals

≤10ppm

Complies

As

≤1.0ppm

Complies

Fe

≤10ppm

Complies

Pb

≤3ppm

Complies

Hg

≤1ppm

Complies

Cd

≤1ppm

Complies

Ammonium (NH4)

≤200ppm

Complies

Sulfates

≤300ppm

Complies

Chlorides

≤200ppm

Complies

Total related substances

≤2.0%

1.3%

Total GSSG

≤1.5%

0.4%

BAP

≤10ppb

Complies

PAH4

≤50ppb

Complies

Assay

98.0%~101%

98.7%
Total Plate Count
≤1000 cfu/g
Complies
Yeast & Mold
≤100 cfu/g
Complies
E.coli /25g
Negative
Negative
Coliforms
≤30 cfu/g
<20cfu/g
Salmonella/25g
Negative
Negative
Stapphylococcus Aureus/25g
Negative
Negative