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A use of extracts of roselle seeds for preparing a composition of antioxidant, anti-inflammation, anti-UVB, anti-allergy, whitening, moisturizing, and anti-wrinkle, wherein the extracts of the roselle seeds comprise lauric, palmitic, linoleic, oleic, or stearic acids; and a method for preparing the extracts of the roselle seeds comprises steps of: steeping of: extracting a weight ratio of the 12:1 to 20:1 roselle seeds and an ethanol solution with a concentration of 75 to 95%; and steeping the roselle seeds in the ethanol solution to obtain a suspension; and extraction of: the suspension being engaged in an extraction of a continuous and rapid oscillation with an ultrasonic energy with a total energy of 200 to 500W, wherein 1 to 3 hours of the oscillation is one cycle, and a total number of 3 to 5 cycles is lasted, in order to obtain roselle seed crude extracts.

Titel:	Antioxidant, antiinflammatory, anti-uvb, anti-allergic, whitening, and anti-wrinkle roselle seed extract
Link:	Zum Volltext
Veröffentlichung:	2023
Medientyp:	Patent
Sonstiges:	Nachgewiesen in: USPTO Patent Applications Sprachen: English Document Number: 20230131367 Publication Date: April 27, 2023 Appl. No: 17/972106 Application Filed: October 24, 2022 Claim: 1. A use of extracts of roselle seeds for preparing a composition of antioxidant, anti-inflammation, anti-UVB, anti-allergy, whitening, moisturizing, and anti-wrinkle, wherein the extracts of the roselle seeds comprise lauric, palmitic, linoleic, oleic, or stearic acids; and a method for preparing the extracts of the roselle seeds comprises steps of: steeping of: extracting a weight ratio of the 12:1 to 20:1 roselle seeds and an ethanol solution with a concentration of 75 to 95%; and steeping the roselle seeds in the ethanol solution to obtain a suspension; and extraction of: the suspension being engaged in an extraction of a continuous and rapid oscillation with an ultrasonic energy with a total energy of 200 to 500 W, wherein 1 to 3 hours of the oscillation is one cycle, and a total number of 3 to 5 cycles is lasted, in order to obtain roselle seed crude extracts. Claim: 2. The use of extracts of roselle seeds according to claim 1, wherein the method for preparing the extracts of the roselle seeds further comprises a step of: filtering and concentration being that of removing a solvent of the roselle seed crude extracts in order to obtain the roselle seeds extracts, wherein the roselle seed is roselle seed oil. Claim: 3. The use of extracts of roselle seeds according to claim 1, wherein the method for preparing the extracts of the roselle seeds further comprises a step of: cleaning being that of purifying the roselle seeds with water, before the step of steeping. Claim: 4. The use of extracts of roselle seeds according to claim 1, wherein the method for preparing the extracts of the roselle seeds further comprises a step of: shredding being that of shredding the roselle seeds or griding the roselle seeds to particles until a diameter of a particle being not greater than 1 mm, before the step of steeping. Claim: 5. The use of extracts of roselle seeds according to claim according to claim 1, wherein the combination is applied to a skin of a human being so as to improve skin tone, reduce skin erythema index, improve skin moisturization, tighten skin pores, reduce skin texture, and reduce skin inflammation. Claim: 6. The use of extracts of roselle seeds according to claim according to claim 1, wherein a dosage of the composition is 1 to 10 mg per square centimeter of the skin. Claim: 7. The use of extracts of roselle seeds according to claim 1, wherein the extracts of the roselle seeds comprise a relative ratio of 8% to 10% of lauric acid, 44% to 52% of palmitic acid, 16% to 24% of linoleic acid, 15% to 23% of oleic acid, and 1% to 4% of stearic acid. Claim: 8. The use of extracts of roselle seeds according to claim 3, wherein the step of cleaning is to purify the roselle seeds for 5 to 15 minutes as one cycle and repeat for 2 to 6 cycles. Claim: 9. The use of extracts of roselle seeds according to claim 3, wherein the method for preparing the extracts of the roselle seeds further comprises a step of: drying comprising that of disposing the roselle seeds on an absorbent material for drying 12 to 72 hours, after the step of cleaning. Claim: 10. The use of extracts of roselle seeds according to claim 2, wherein a production rate of the roselle seeds is between 4% and 10%. Current International Class: 61; 61; 61; 61; 61; 61; 61; 61; 61

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Antioxidant, antiinflammatory, anti-uvb, anti-allergic, whitening, and anti-wrinkle roselle seed extract