Kojic acid

Kojic acid is a kind of specialized inhibitor for melanin. It can prevent the tyrosinase activity through synthesizing with copper ion in the cells after it enters skin cells. Kojic acid and its derivative has better inhibitory effect on tyrosinase than any other skin whitening agents. At present it is assigned into various kinds of cosmetics for curing freckles,spots on the skin of old man,pigmentation and acne.
Kojic acid can also eliminate free radical, strengthen cell activity of cell and keep the food fresh. It is widely used in the fields of medicine and food.

English name:	Kojic acid
Chemical name:	5-hydroxyl-2-hydroxymethyl-1,4-pyrone
Molecular formula:	C6H6O4
Molecular weight:	142.1
Molecule structure:
Specification(Q/XXHG03-1999):
Appearance:	White needle crystal
Melting point:	153~156篊
Assay:	≥99.0%
Loss on drying:	<0.5%
Ignition residue:	< 0.5%
Ferrum:	<10ppm
Heavy metal:	<3ppm
Arsenic:	<1ppm
Chloride:	<50ppm
Pathogen:	Bacteria count<300 CPU Fungus<100 CPU

Package:
1kg10bags(aluminum foil bag sealed)/carton;2.5kgs10bags(aluminum foil bag sealed)/drum.