Grape skin is rich in anthocyanins and resveratrol, both of which are beneficial to human health. So many of my friends would think that if it is a good thing, shouldn't even leash seeds (the higher content of proanthocyanidins in grape seeds) be swallowed in order to get more nutrition? The answer is to listen to Xiaobian one by one. . First, the current food safety issues are less and less satisfactory. Xiao Bian's own family had previously planted a grape, knowing that the amount of pesticides used in grapes is very large and frequent, and no grapes can be produced without spraying. Commercially-available grapes start from the flowering result, generally 7 to 10 days to spray the fungicide again, and later to prevent the grape anthracnose from harming the grape fruit, it is necessary to spray the medicine regularly for the ear. Moreover, some pesticides cannot be completely removed during the washing process. There are many detergents on the market that are known to remove pesticides on fruit surfaces. The actual results are not as good as advertised. Second, the antioxidants such as anthocyanins and resveratrol in grapes are not very soluble in water (resveratrol is more difficult to dissolve in water). For those who have studied nutrition, it is clear that nutrients must be dissolved in water or fat before they can be absorbed by the body. Low solubility means that most of the nutrients will “pass through the bowel†and fail to achieve the desired effect. Therefore, for the sake of your own health and safety, you still have to give up the nutrients such as rich cellulose and antioxidants that are not easily absorbed.
Human chorionic gonadotropin is a hormone for the maternal recognition of pregnancy produced by trophoblast cells
Human chorionic gonadotropin (HCG) is a glycoprotein secreted by trophoblast cells of the placenta And β dimer proteins. The molecular weight of glycoprotein hormone 36700, A. Pituitary, FSH, follicle stimulating hormone, LH (luteinizing hormone) and TSH (thyroid stimulating hormone) are basically similar, So they can cross-react with each other, while the structure of β subunit is not similar. In mature women, the fertilized ova move to the uterine cavity for implantation and form embryos. In the process of development and growth into the fetus, the placental syncytiotrophoblast cells produce a large amount of HCG, which can be excreted into urine through the blood circulation of pregnant women. Serum and urine HCG levels rise Rapidly from 1 to 2.5 weeks of gestation, reaching a peak at 8 weeks of gestation and dropping to moderate levels at 4 months of gestation, which remain at the end of gestation. At present, the commonly used detection methods are: latex aggregation inhibition test and hemagglutination inhibition test; Radioimmunoassay (RIA); Enzyme linked immunosorbent assay (ELISA); Monoclonal antibody colloidal gold test
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