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80 results about "Phytoestrogens" patented technology

A phytoestrogen is a plant-derived xenoestrogen (see estrogen) not generated within the endocrine system, but consumed by eating phytoestrogenic plants. Also called a "dietary estrogen", it is a diverse group of naturally occurring nonsteroidal plant compounds that, because of its structural similarity with estradiol (17-β-estradiol), have the ability to cause estrogenic and/or antiestrogenic effects. Phytoestrogens are not essential nutrients because their absence from the diet does not cause a disease, nor are they known to participate in any normal biological function.

Preparation method of soybean sprout powder and prepared soybean sprout powder

The invention provides a preparation method of a soybean sprout powder, wherein the method includes the steps: (1) under germination conditions, making soybean germinated; (2) crushing and pulping the obtained soybean sprouts, at the temperature of 40-45 DEG C, carrying out enzymolysis treatment for 2-3 hours, hydrolyzing soybean isoflavone glycoside contained in the soybean sprouts into soybean isoflavone aglycones; (3) adding a mixed solution of ethanol and ethyl acetate into the pulp obtained in the step (2), centrifuging to obtain an upper solution and soybean sprout dregs; and (4) removing the upper solution, carrying out vacuum drying on the obtained soybean sprout dregs and crushing, and thus obtaining the soybean sprout powder. According to the method provided by the invention, through removing the soybean isoflavone aglycones, gamma-aminobutyric acid with more content can be produced in the soybean sprout powder ultimately, the defect that conventional soybean sprouts and products thereof have the application range (especially application in the infants and children eating field) limited due to containing of soybean isoflavones as phytoestrogen is overcome, and thus the soybean sprout powder becomes a possible in the field of infants and young children foods.
Owner:INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI

Electret facial mask for promoting absorption of phytoestrogen, and preparation method thereof

InactiveCN111991259AThe transdermal absorption effect is obviousEasy to prepareCosmetic preparationsToilet preparationsPharmaceutical drugPolymer
The invention belongs to the technical field of cosmetics, and in particular relates to an electret facial mask for promoting absorption of phytoestrogen, and a preparation method thereof. The electret facial mask comprises an electret layer and a facial mask drug layer; an electret is obtained by polarization of a polymer material; the facial mask drug layer is a sheet layer, which is formed by facial mask drugs or a basic layer sufficiently absorbed with facial mask drugs; the electret layer and the facial mask drug layer are packaged separately and individually; and the electret is an electret after a rapid charge decay period. Before the electret facial mask is used, the electret layer and the facial mask drug layer are packaged separately and individually; when the electret facial mask is used, the facial mask drug layer is put on the skin at first; then, the electret layer is put on the facial mask drug layer; the time of attaching the electret layer to the facial mask drug layeris more than 30 min; and the electret in the invention is used as a physical infiltration promoting source, can supply driving force for penetration of facial mask drug molecules, also can adjust theskin micro-structure, and can enhance absorption of facial mask drug molecules by skin tissue.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Construction method for screening active components of phytoestrogen

The invention relates to a method for screening active components of phytoestrogen. In the method, cotransfection is taken as a base to transfect human breast cancer MCF-7 cells by an expression vector having an exogenous human estrogen receptor gene and a luciferase reporter gene vector having an estrogen response sequence (3*ERE (Estrogen Reaction Element)) according to a ratio; then a phytoestrogen sample to be detected is added to detect the expression of the luciferase and the expression of the luciferase is regulated and controlled by the ERE, thus the active components of the phytoestrogen can be screened. The method has higher specificity and sensibility on screening the active components of the phytoestrogen and can be widely used as a model for screening the active components of the phytoestrogen. The method provided by the invention is simple and flexible, is good in specificity and low in drug dosage, can be used for screening high flux of the active components of the phytoestrogen and effectively solving the problems that the drug dosage is great, the cost is low, the operation is complicated, the result repeatability is poor, the high-flux screening is difficult to satisfy and the like in the traditional method for screening the active components of the phytoestrogen.
Owner:XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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