11-O-mogrol oxime ether derivative serving as oral liquid antioxidant additive, and anti-oxidative and anti-aging oral liquid
A technology of Luo Han Guo and oral liquid, applied in the fields of antivirus, food science, organic chemistry, etc.
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preparation example Construction
[0037] Preparation Example 1 The preparation of formula (I) compound
[0038](1) Oximation and post-treatment: Take 23.8g of 11-O-mogrogol, dissolve it in 150ml of anhydrous methanol, add 4.5g of hydroxylamine sulfate (containing 0.055mol of hydroxylamine) and 20.2g of triethylamine, and react under reflux at 70°C for 5 hours , after the completion of the silica gel TLC test reaction, concentrated under reduced pressure until the solid content of the concentrated solution was 25%, cooled the concentrated solution to a temperature of 10°C, stirred at a speed of 10r / min, crystallized for 18 hours, suction filtered, and dried to obtain 11- Oxime-Mogrosanol 21.6g.
[0039] (2) Etherification and post-treatment: Dissolve 20.2 g (0.04 mol) of 11-oxime-mogrosanol obtained in step (1) in 110 ml of DMF, add 3.14 g of allyl chloride and 0.08 g of sodium tert-butoxide, and react at 5°C for 5 hours. Silica gel TLC test After the reaction is over, pour the reaction solution into 1000ml o...
preparation example 2
[0041] Preparation example 2 Preparation of Monk Fruit Decolorized Concentrated Juice
[0042] (1) Juicing and cold extraction of fresh fruit: After washing 200kg of Luo Han Guo fresh fruit, squeeze it with a juicer, and extract the pomace with 600kg of ice water at 8°C twice for 0.5 hours each time. The water extracts are combined to obtain Luo Han Guo juice;
[0043] (2) Enzymolysis, boiling, and centrifugation: adjust the pH value of the Luo Han Guo fruit juice obtained in step (1) to 9 with a saturated aqueous solution of calcium hydroxide, then add 0.1 kg of alkaline protease preparation, and perform enzymatic hydrolysis for 1.5 hours at 25°C , and then, heat and boil the enzymolysis liquid at 90°C for 0.5h, rapidly cool it to 30°C at a speed of 2°C / min, and centrifuge to obtain the enzymolysis centrifugation liquid;
[0044] (3) desalination, dealkalization: with step (2) gained enzymolysis centrifugal liquid, the flow rate of above post is 1.5BV / h, goes up 001 * 7 ty...
preparation example 3
[0047] Preparation example 3 Okra Sauce Preparation
[0048] a. Extraction: 50 kg of fresh okra was washed with water, crushed with a beater, added 300 kg of pure water, heated to 85° C., stirred and extracted for 2 hours, filtered to obtain okra extract;
[0049] b. Purification: Cool the okra extract to room temperature, add complex enzymes (0.06 kg each of pectinase, protease and cellulase), enzymolyze at 35°C for 4 hours, and inactivate the enzyme at 90°C. Add 0.1 kg of activated carbon, stir for 1 hour to decolorize, filter with a ceramic membrane, and concentrate the ceramic membrane filtrate under reduced pressure at 70°C and -0.08MPa to a sugar content of 40brix to obtain 9.6 kg of okra juice.
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