HUMAN HEALTH & NUTRITION — Functional food ingredients
Gamma Oryzanol

Gamma Oryzanol is a group of ferulic acid esters of phytosterols and triterpene alcohols isolated out of rice bran oil. The main constituents include 24-methylene cycloartenyl ferulate (35%~40%), cycloartenol ferulate(25%-30%) and β-sitosterol ferulate (15%-20%).
Cas No.: 11042-64-1 
Gamma Oryzanol is also called as calclate, gamma-oz, gammariza, oryzanol, oz, and thiaminogen.

2.Chemical Structure
Chemical Formula : C40H58O4


3.Quality Specification

Items National Standard Factory in-house Standard
Appearance White powder or off white crystalline powder
Solubility Soluble in acetone, slightly soluble in ethanol and n-heptane, but insoluble in water.
Methanol ≤0.1% ≤0.1%
Loss on drying ≤1.0% ≤0.8%
Residue on ignition% ≤0.3% ≤0.2%
Heavy metal (mg/kg) 20mg/kg 20mg/kg
Assay 97.0~103.0% 97.0~103.0%
Total plate count(cfu/g) ≤1000 ≤1000
Mould & Yeast(cfu/g) ≤100 ≤100
Escherichia coli(1g) Not Detected Not Detected
Salmonella Negative Negative

4.Function and Application

A number of researches and clinical studies have approved that Gamma Oryzanol.
Is positively effective on central nervous system and mental condition.
Has excellent antioxidant effect in inhibiting lipid peroxidation.
Reduces plasma cholesterol and triglycerides.
Relieves menopausal symptoms.


It’s used in pharmaceutical in the treatment of Hyperlipidemia,menopausal (climacteric) symptoms,neurotic disorder, periodic neuropathy, sequelae of cerebral concussion, premenstrual tension syndrome, vascular headache, gastroenterological vascular neurosis and improving the condition of post traumatic dysautonomia from head injuries.


In functional/healthy food for helping relieve the above mentioned problems, and as sports supplements to enhance muscle development.


And in food industry,Gamma Oryzanol is used as an antioxidant in fats, frying oils and fried products.



20kg/fiber drum with lining.

6. Storage

Sealed store in a cool, dry place away from direct sunlight

Do not ingest. Do not breathe dust. Wear suitable protective clothing. In case of insufficient ventilation, wear suitable respiratory equipment. If ingested, seek medical advice immediately and show the container or the label. Avoid contact with skin and eyes

Products Recommended
— Veterinary APIs
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First edition created on July 13,1998 Last updated on September 20,2017