Black horses, small fruit, dark gray. The cap is saddle-shaped or irregularly saddle-shaped, with complete edges and separation from the shank. The upper surface, ie, the sub-solid layer is black to dark gray, smooth; the lower surface is gray or dark gray, smooth, without obvious particles. The stipe is cylindrical or side flat, slightly curved, black or dark gray, often lighter than the cover color, the surface has powder, the base is pale, and the interior is solid. Astigmatism cylindrical, containing 8 spores. Distributed in China's Hebei, Yunnan, Sichuan, Hunan, Shanxi, Gansu, Xinjiang and other regions.
Black horses are rich in a variety of vitamins, such as thiamine, riboflavin, niacin, ascorbic acid, ergosterol, folic acid, pantothenic acid and so on. Among them, riboflavin, niacin, ascorbic acid and ergosterol are particularly abundant. The vitamin C content in most wild mushrooms is several to several times higher than that of fruits and vegetables. The content of vitamin B1 is higher than that of common plant foods. The content of vitamin B12 is higher than that of meat. It can prevent pernicious anemia. Improves nerve function and lowers blood lipids; black horseshoe crabs are generally rich in ergosterol and can be converted into vitamin D after irradiation with ultraviolet light.
