Drug name: Euryale fruit
Nicknames: Aconitum, Huangshi
Source: Compendium of Materia Medica
Classification: astringent drugs
Origin: Jiangsu, Hunan, Hubei and other places
Taste: Mild in nature, sweet and astringent in taste
Meridian return: return to the spleen and kidney meridians
Effect: Tonifying kidney and consolidating essence, strengthening spleen and stopping diarrhea, removing dampness and stopping menstruation
Indications: Enuresis and slippery semen, frequent enuresis and urination, persistent diarrhea due to spleen deficiency, white turbidity, and vaginal discharge
Character identification
Seed kernels are spherical in shape, with a diameter of 5-8mm, and some are broken into pieces. The intact surface has a reddish brown or dark purple inner seed coat, with irregular vein like network patterns visible, and about one-third of one end is yellow white. The embryo is small and located in a circular recess at the light yellow end. The texture is relatively hard, with a white cross-section and a powdery texture. Qi is absent, taste is light. It is best to have a full white cross-section, sufficient powder, and no debris.
Usage&Taboos
Internal administration: decoction, 9-15 grams; Or into pills or powder.
Internal administration: decoction, 15-30g; Or into pills, powder, can also be appropriate to cook Congee food.
Taboos: Those who have difficulty urinating or defecating are prohibited from taking it; Those who suffer from food stagnation and cannot dissolve should take it with caution.
chemical composition
This product mainly contains starch, protein, fat, carbohydrates, calcium, phosphorus, iron, thiamine, riboflavin, nicotinic acid, ascorbic acid, etc.
pharmacological action 
Euryale fruit is rich in carbohydrates and minerals, which can provide cells with a large amount of energy and supplement the body's nutrition. The proteins, ascorbic acid and other substances contained in it can clear reactive oxygen species in the body and enhance the body's immune function.
Chinese herbal formula
1. Treatment of turbid disease: Euryale ferox powder, white poria cocos powder, yellow wax honey melting pills, wutong fruit big. Take one hundred pills each and take salt soup. (Separation Pill in "Picking Yuan Fang")
2. To treat spleen and kidney deficiency, heat, and chronic dysentery in the elderly and young: four taels of thicket, yam, Poria cocos, Atractylodes macrocephala, lotus meat, Coix seed, and white hyacinth beans each, one or two ginseng, all stir fried and dried to the end, and white soup mixed. (Fang Mai Zheng Zong)
3. To treat the essence and smoothness, one can't help but: two liang each of Shayuan Tribulus (stir fried), Euryale (steamed), and Lotus whiskers, one liang each of Longgu (crispy fried), and one liang each of Oyster (boiled in salt water for a day and night, calcined into powder), all in the form of powder. Lotus seed powder is mashed into balls, and then served in salt soup. (Jin Suo Gu Jing Wan from "Medical Formula Collection")
Ancient book records
"Rihuazi Bencao": Enjoying the stomach and aiding qi.
Compendium of Materia Medica: quench thirst and benefit the kidneys, treat urinary incontinence, nocturnal emission, white turbidity, and vaginal discharge.
The Shennong Materia Medica Classic: It is mainly used to treat dampness and numbness in the waist, spine, and knees, tonify the middle, eliminate critical illnesses, nourish essence and qi, strengthen consciousness, and make the ears and eyes intelligent.