Refined Soybean Oil

The refined soybean oil must be of sound, fair and marketable quality fit for human consumption and must meet the following criteria:

• water and impurities: 0.2% m/m maximum (control method: ISO 662 or AOCS Ca 2 d-25 at 105° C)
• insoluble impurities: 0.05% m/m maximum (control method: ISO 663)
• free fatty acids: 0.1% maximum expressed as oleic acid (control method: ISO 660 or AOCS Ca 5a-40)
• colour: 5 1/4 inch Lovibond scale maximum 20 yellow - 2 red (control method: AOCS Cc 13b-45)
• soap content: 0.005% m/m maximum (control method: AOCS Cc 15-60)
• taste: neutral/bland; absence of foreign odours and flavours
• peroxide number: 2 meq. maximum of active oxygen per kg of oil at point of loading (control method: ISO 3960 or AOCS Cd 8-53)
• iodine value (Wijs): 120 - 143 g/100g (control method: ISO 3961)
• saponification: 189 - 195 mg KOH per gram
• unsaponifiable matter: 1.5% maximum (control method: AOCS Ca 6a-40)
• specific weight at 20˚C: 0.919-0.925 g/cm³
• refractive index at 40˚C: 1.466-1.470