Shanghai Greaf Biotech Co.,Ltd is professional producer and manufacturer of soy isoflavones in China, equipped with a productive factory of soy isoflavones, welcome to wholesale our products.


Soy Isoflavones manufactured by us is for cosmetics use only. It is a kind of bioflavonoids extracted from Glycine max. It is used as breast enhancer and anti-wrinkle agent.


Chemical Information of Soy Isoflavones:

Trade Name: Gracest SOY

INCI Name: Soy Isoflavones

CAS No.: 446-72-0

Molecular Formula: C15H10O5

Molecular Weight: 270.24


Specifications of Soy Isoflavones:

Appearance Light yellow to brown yellow, transparent liquid.

Odor Slight characteristic odor

Clarity and color Clear and colorless

Density 1.00-1.08g/cm3

Refractive index 1.430-1.460

Purity（HPLC) ≥10.0%

Total bacteria < 100 CFU/ml

Yeast and mold < 10 CFU/ml

Hg < 1 mg/kg

As < 2 mg/kg

Pb < 5 mg/kg



Package of Soy Isoflavones:

10.0kg(10 plastic bottles)/carton.