This product is the root of Rehmannia (Rehmannia glutinosa Libosch), a perennial herbaceous plant of the Scrophularia Root family. Mainly produced in Henan, Hebei, Inner Mongolia and Northeast my country. It is cultivated in most areas. Excavated in autumn, used fresh or dried and sliced ​​raw.

[Property]

sweet and bitter, cold. act on heart, liver and lung channels.

[Efficacy]

clearing heat and cooling blood, enriching yin and producing fluid.

[Indications]

1. Used to heat nutrient-blood and make the mouth dry and tongue red. This product is sweet, cold and moist, clearing heat with bitter cold, enters nutrient aspect and blood aspect, and is an important medicine for clearing heat and cooling blood, enriching yin and producing fluid. To treat dampness-heat disease, heat enters nutrient-blood, high fever unconsciousness, dry mouth and tongue, often used synonymously with Scropularia Root, such as Nutrient-Clearing Decoction. To treat warm disease late stage [third stage], where residual heat has not been exhausted, Yin fluid has been damaged, night fever abating at dawn, red tongue and rapid pulse, often treated with turtle carapace, Sweet Wormwood , Anemarrhena are equivalent, such as Sweet Wormwood and Turtle Shell Decoction.
2. For blood-heat disorder, macula and papule vomiting. This product clears heat and purging fire, cools blood and stops bleeding. To treat blood-heat, vomiting, bloody stool metrorrhagia and metrostaxis, it is often used together with fresh Lotus Leaf, raw Mugwort, raw Platycladus. Such as Four Fresh Ingredients Pill; to treat warm febrile disease, heat enters nutrient-blood, blood heat toxin is abundant, hematemesis is epistaxis, macula and papule are purple and black, often combined with Red Peony Root and Danpi can be used together.
3. It is used for thirst caused by body fluid injury and consumptive thirst caused by internal heat. This product is sweet and cold, clearing heat and nourishing yin, promoting fluid production to quench thirst. To treat internal heat and consumptive thirst, it is often used with Chinese Yam. Use raw Astragalus Root and pig pancreas, such as Zicui drink; to treat warm disease damage to yin and constipation, it can be used with Scrophularia Root and Ophiopogon Tuber, such as Fluid-Increasing Decoction.

[Documentation]

1. Benjing: "The Lord breaks the tendons and is injured. Drives blood impediment, fills the bone marrow, and grows muscles."
2. Bielu: "The Lord Five kinds of strain seven damages for men and vaginal bleeding during pregnancy for women. "
3. Zhenzhunang: "Cooling blood, producing blood, nourishing kidney water and true yin."

[Usage and Dosage]

Decoction, 10-30g, double the amount of fresh product, or use fresh product to make juice. Fresh Unprocessed Rehmannia Root has a sweet and bitter taste and is Great Cold (24th solar term). Its effect is similar to that of dried Rehmannia. Its ability to enrich yin is slightly weaker, but its ability to clear heat and promote fluid production, cool blood and stop bleeding is stronger.

This product should not be used by those with cold and stagnant nature, spleen deficiency, abdominal distension and fullness, loose stool.

[Modern Pharmacology]

This product contains β-sitosterol, Rehmannia, mannitol, glucose, alkaloids, iron, vitamin A, etc. Unprocessed Rehmannia Root has certain cardiotonic, diuretic, elevated blood pressure, and lowered blood sugar effects. Unprocessed Rehmannia Root extract can promote blood coagulation. Oral administration of Unprocessed Rehmannia Root charcoal to mice shortened bleeding time. Rehmannia decoction also protects the liver and prevents the reduction of glycogen in the liver. And it has certain anti-radiation injury effect. It has an inhibitory effect on the growth of various fungi.