Blackcurrant fruit contains quite a lot of potassium salt and magnesium salt. The main function of potassium salt is to strengthen the excitability of muscles, stabilize the cell membrane of cardiac muscles and correct the disorder of rhythm. Magnesium salt has a certain preventive and therapeutic effect on hypertension and myocardial infarction. When people are mentally or physically overloaded, a kind of cortisone substance entering the blood can cause myocardial necrosis. It has been proved by medical experts that drinking potassium and magnesium-containing drinks from blackcurrant raisins can produce cortisone, so it has a certain health care effect on heart patients. Blackcurrant fruit contains a high amount of bioflavonoids, which can effectively reduce the degree of arteriosclerosis, soften and thin brittle blood vessels, improve the permeability of blood vessels, and prevent atherosclerosis. As a substance for delaying aging, blackcurrant fruit has the functions of blocking the generation of nitrosamines, resisting oxidation, and enhancing ascorbic acid. Has the functions of preventing and treating cardiovascular and cerebrovascular diseases, has anticancer activity, and has strong anticancer and health care effects.

Researchers have found α -linolenic acid and γ -linolenic acid from natural oil extracted from blackcurrant seeds. These two kinds of linolenic acids not only have the functions of platelet aggregation, lowering blood pressure, softening blood vessels, lowering blood lipid, preventing and treating cardiovascular diseases, but also have strong anti-cancer and cancer prevention (breast cancer, rectal cancer, etc.), and have significant effects on preventing tumors, delaying aging, regulating human physiological functions, increasing immune ability, as well as beauty.