GB/T 19112-2003 in English

Background of Standard Formulation and Analysis of Technological Evolution

GB19112—2003 "Rice Bran Oil" was formulated based on reference to relevant industry standards and in combination with international standards. The main technical differences include:

• The structure, technical elements and expression rules are adjusted according to GB/T11.1-2000
• Rice bran oil is classified and graded according to raw materials and processing methods
• Introduction of international standard index reference values

Rice bran oil quality indicators and detection methods

Comparative analysis of quality indicators:

• The quality indicators of rice bran crude oil are suitable for trade, but not for direct consumption
• Squeezed finished oil and leached finished oil are divided into primary, secondary and tertiary standards
• Smoke point and freezing test are the key indicators to distinguish the grades

Main testing methods:

• Relative density test: GB/T5526
• Refractive index test: GB/T5527
• Water and volatile matter test: GB/T5528
• Acid value test: GB/T5530

Implementation suggestions and precautions

1. Production enterprises should strictly follow the standards for raw material screening and processing technology optimization

2. Inspection institutions need to be equipped with professional equipment to ensure that the testing methods meet national standards

3. Storage should be protected from moisture and light to prevent oxidation and deterioration