What is mulberry leaf(Sang Ye)?
Medicinally it mainly refers to the dried leaves of Morus alba L., which is a plant in the family of Moraceae. And other names of it include White Mulberry Leaf, Folium Mori, mulberry tree leaves, and so on. In China it is distributed all over the country, wild or cultivated. When used as medicine it is usually harvested after the first frost. And following steps are to remove the impurities and dry in the sun. It is used raw or baked with honey.
Dried white mulberry leaves are mostly crinkly and broken. The complete one is oval or ovate, 8 to 13cm long, and 7 to 11cm wide. Apex is acute. Margin is serrate, or sometimes irregularly split. Base is truncate, round or heart-shaped. Upper surface is yellowish-green, slightly glossy, and with tiny fuzz along the veins; lower surface is slightly in color and with protruding veins and small veins that are densely puberulous and woven into a net. It is brittle and fragile. It has light odor and slightly bitter taste. Medicinally the preferred one is intact, large, thick, yellow-green, crisp, and pure. Traditionally the one after frost, called "frosted or winter mulberry leaves", is considered with better medicinal uses.
Mulberry leaf benefits
So, how does it lower dangerous blood sugar level for diabetics? There are those who say its secret of purifying the blood lies in the rich content of chlorophyll, which can be absorbed by the body and guaranteed by the hemoglobin-like chemical structure. That is to say, it ensures to transport abundant oxygen supply to the body while taking away the waste in blood and thus accelerate the body purification. More importantly, it does no harm to human body. And now let’s take a look at how the pharmacology says about it.
Modern pharmacological actions of mulberry leaves
1) In vitro tests fresh leaf decoction can inhibit Staphylococcus aureus, beta-hemolytic streptococcus and other bacteria;
2) Its decoction inhibitory effect on leptospira;
3) It has hypoglycemic effect on hyperglycemia caused by a variety of reasons in animals;
4) Contained ecdysterone can promote the transformation from glucose into glycogen while this process won’t affect the normal blood sugar range in animals;
5) Ecdysone contained can also reduce blood lipid levels;
6) It can promote the protein synthesis in human body, get rid of body’s cholesterol, and lower blood lipids.