The difference between raw rehmannia and prepared rehmannia

Rehmannia glutinosa can be divided into raw and cooked Rehmannia glutinosa, cooked Rehmannia glutinosa is the processed product of Radix Rehmanniae, Radix Rehmanniae is Greater Cold, and cold blood, blood-hot people need it, ripe is lukewarm, and tonifying kidney, blood failure need it. Men are yin deficiency, it is appropriate to use cooked Rehmannia, women with blood fever, it is appropriate to use raw Rehmannia, let's take a look at the difference between them!

Cooked Rehmannia glutinosa is the processed product of Radix Rehmanniae.

Cooked Rehmannia glutinosa is a processed product which is mixed with yellow rice wine and steamed in the sun, so its effect is different. Rehmannia glutinosa is mostly used to clear heat and nourish yin, and cooked Rehmannia glutinosa is mainly used to nourish blood and tonify kidney.

The difference of appearance between Radix Rehmanniae and Radix Rehmanniae

1. Rehmannia glutinosa: most of them are irregular fast or oblong, dilated in the middle, two segments slightly thin, long 6~12cm, diameter 3~6cm, some thin, long strip, slightly flat and curved. The surface is brownish black or brownish gray, extremely wrinkled, with irregular horizontal lines. Weight, soft and tough, not easy to break, cross-section brown or black, shiny, sticky. It tastes slightly sweet.

2. Cooked Rehmannia glutinosa: irregular pieces and fragments of different sizes and thicknesses. The surface is black, shiny and sticky. The quality is soft and tough, not easy to break, the end face is black, shiny and sweet.

Difference in efficacy between Radix Rehmanniae and Radix Rehmanniae

1. Rehmannia glutinosa: cold, with the function of cooling blood and clearing heat, nourishing yin and tonifying kidney, invigorating body fluid and relieving thirst. It is often used to treat diseases such as heat entering Ying blood, bone steaming tuberculosis fever, sore throat, blood in sputum and so on. Liuwei Dihuang pills, mainly made by Shengdi, is a famous prescription for tonifying the kidney through the ages, and it is often used in the treatment of chronic glomerulonephritis, hypertension, neurasthenia, tuberculosis and other diseases.

2. Rehmannia glutinosa: the sex is warm, and its function also changes, which is an important medicine for tonifying blood. Compatibility of Angelica sinensis, Radix Paeoniae Alba and Ligusticum chuanxiong is the famous "Siwu decoction", which is often used to treat blood deficiency. Cooked with Radix Paeoniae Alba can nourish the liver, with cypress kernel to nourish the heart, with longan meat to nourish the spleen, and with ephedra to pass the blood. But the cooked land is greasy and stagnant to the spleen, which hinders digestion, so those with spleen deficiency eat less, and those with full stool should not take it.