USP/EP Standard 98% White Glutathione,High quality and Competitive Price Of Active White japan l glutathione OR l glutathione

Description

 Glutathione is glutamic acid, cysteine and glycine combination of the three peptides, cysteine thiol on its active groups, glutathione has also prototype (G-SH) and oxidized type (GSSG) form, under physiological conditions to the majority of reduced glutathione, glutathione (GSH) is the main activity of the state, accounting for 95%; oxidized glutathione (GSSG) about 1% of the non-active state. Glutathione reductase catalyzing the interaction between the two types change. Coenzyme enzyme for the metabolism of sugar phosphates bypass provides NADPH.

PRODUCT FEATURE

ITEM

SPECIFICATION

TEST METHOD

Appearance

White crystalline powder

GME

Optical rotation

-15.5°~17.5°

USP

Purity

98%

By HPLC

Residues

Loss on drying

≤0.5%

USP

Ash

≤0.3%

USP

Sulfate

≤300 PPM

USP

AMMONIUM

≤200 PPM

USP

Iron

<10 PPM

USP

As

≤2 PPM

USP

Cd

≤1 PPM

USP

Pb

≤1 PPM

USP

Hg

≤0.5 PPM

USP