Technique of preparing superfine groundnut oil from peanut rough material
A preparation process, peanut oil technology, applied in food preparation, edible oil/fat, food science, etc., can solve the problems of low moisture content, difficult temperature and moisture, and unstable aroma production in peanut kernels, and achieve stable aroma production and miscellaneous The effect of less flavor and rich flavor precursors
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[0036] 5) Preparation of scented peanut oil:
[0037] Add peanut oil (300-1500g peanut oil per 10g of peanut raw material hydrolyzate) into the reaction liquid that has dropped to room temperature, stir rapidly at a speed of 200-500rpm for 10-30min, and then stir at a speed of 50-100rpm at 15-30°C. Stir at a slow speed for 2-4 hours, and centrifuge to remove water and impurities to obtain fragrant peanut oil with strong flavor and qualified physical and chemical indicators.
Embodiment 1
[0039]Select peanut powder and soak it in tap water or pure water 6 times the weight of peanut powder at 40°C for 80 minutes. Then the soaked peanut powder is pulverized with a tissue grinder and then finely pulverized with a colloid mill and passed through a 40-mesh sieve. Adjust the pH value of the undersize liquid to 7, add neutral protease and flavor enzyme (the total enzyme amount is 0.8g / 100g peanut powder, the ratio of the two enzymes is 1:1), and hydrolyze at 40°C for 4h. Adjust the pH value of the hydrolyzate to 7, add 10g glucose, 3g fructose, 1.5g glutamic acid, 0.5g isoleucine, 0.2g phenylalanine, 0.5g alanine, 0.5g of glycine, 0.2g of proline and 60g of peanut oil were heated to 140°C for 1 hour in an autoclave and cooled by condensed water. Add 500g of peanut oil to every 10g of peanut powder in the cooled reaction liquid, stir vigorously for 10min, then stir slowly at 30°C for 2h, remove water and other impurities by centrifugal filtration, and obtain fragrant ...
Embodiment 2
[0041] Select peanut meal and soak in tap water or pure water 10 times the weight of peanut meal at 50°C for 30 minutes. The soaked peanut meal is pulverized with a tissue grinder, then finely pulverized with a colloid mill and passed through an 80-mesh sieve. Adjust the pH value of the undersize liquid to 7, add neutral protease and flavor enzyme (the total enzyme amount is 1g / 100g peanut meal, the ratio of the two enzymes is 1:3), and hydrolyze at 50°C for 5h. Adjust the pH of the hydrolyzate to 7, add 12g of glucose, 1.5g of glutamic acid, 1g of arginine, 0.5g of glycine, 0.2g of proline and 800g of refined peanut oil into the hydrolyzate of 100g of peanut meal. Heat to 170°C and keep it warm for 20 minutes, then pass condensed water to cool. Add 500g of peanut oil to every 10g of peanut meal in the cooled reaction liquid, stir rapidly for 20min, then stir slowly at 18°C for 3hr, remove water and other impurities by centrifugal filtration, and obtain fragrant peanut oil ...
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