Rehmannia glutinosa

Rehmannia glutinosa, also known as Shengdi, is the dry root of Rehmannia glutinosa, a perennial herb of Scrophulariaceae. The rhizome of Rehmannia glutinosa is curved spindle or cylindrical, yellow red skin, brittle and easy to break, and the flesh of cross section is light yellow, showing chrysanthemum heart. Compared with foreign products, it has the characteristics of big size, good color, sweet taste and high efficacy. It is recorded in compendium of Materia Medica that Rehmannia glutinosa is the first. Rehmannia glutinosa can be divided into two types: raw Rehmannia glutinosa and cooked Rehmannia glutinosa. "Compendium of Materia Medica" also contains: "Rehmannia is cold and cold blood, blood heat should be used; mature is slightly warm, and kidney blood failure need it. For men with Yin deficiency, Rehmannia glutinosa should be used. For women with blood heat, Rehmannia glutinosa should be used Especially, it can fill bone marrow and grow muscle. It is a good medicine for dispelling diseases and prolonging life. According to traditional Chinese medicine, the human body can be divided into Qi and blood. Ginseng can be used to replenish qi, while Rehmannia can be used to replenish blood. Therefore, Rehmannia glutinosa is also known as "little ginseng".

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