The efficacy and effects of raw Dihuanghuang

Raw Dihuang, also known as Dihuang, Shengdi, Di Sui, and Yuandi, belongs to the genus Dihuang in the family Xuanxiang, and the tuberous root of Dihuang, mainly produced in Henan, is one of the common Chinese herbs. The efficacy and effects of raw Dihuang are as follows.

Clearing heat and cooling the blood

It is good at clearing heat and cooling the blood, and is often used to treat symptoms of warm fever, such as heat entering the blood, and warm poisonous spots.

Stopping bleeding

Sheng Di Huang is good at clearing heat from the Blood molecules in the Ying and has the effect of cooling the Blood and stopping bleeding, and can be used to treat symptoms such as vomiting, epistaxis, and bleeding caused by blood heat.

Clearing heat and nourishing Yin

Sheng Di Huang is sweet, cold and moist, and has the effect of clearing heat and nourishing Yin, which can be used for treating heat illnesses that injure Yin, thirsty tongue, internal heat and thirst, etc.

Nourishing kidney yin

It enters the kidney meridian and can nourish kidney yin to remove deficiency fire and nourish yin and fluid to release volatile heat.

Moistening the bowels and relaxing the bowels

It is good at nourishing yin and moistening dryness, and is suitable for treating yin deficiency and fluid injury and constipation.

Anti-tumor

The anti-tumor effect of Radix et Rhizoma is related to the increase of immune function. Radix et Rhizoma promotes the transformation of lymphoblastoid cells and increases the number of T-lymphocytes, and enhances the phagocytic function of reticuloendothelial system, especially for those with low immune function.

Anti-fungal

The aqueous infusion of Dihuanghuang has an inhibitory effect on the growth of various fungi such as Stachybotrys spp, Stachybotrys gypsum, Stachybotrys woolly and Stachybotrys aureus.

Anti-inflammatory

The decoction of Dihuanghuang and its extracts have shown significant anti-inflammatory effects on formaldehyde arthritis and egg white arthritis in animals through animal experiments, and can inhibit granuloma caused by subcutaneous injection of turpentine and increase in capillary permeability caused by histamine, which shows that raw Dihuanghuang has significant anti-inflammatory and anti-allergic effects.

Sedative

Huaidihuang has obvious sedative effect, and its site of action may be in the cerebral cortex. The sedative effect of raw Dihuang is beneficial to alleviate the symptoms of hypertensive patients and significantly improve the insomnia caused by hypertensive patients.

Protecting blood vessels

Dihuang has both hemostatic and anticoagulant effects. Aqueous decoction of raw Dihuang, Shu Dihuang, Shengdi Tan and Shudi Tan can significantly shorten the coagulation time, with no significant difference between them.

Heart-strengthening

The contractile force of frog heart was significantly enhanced by the fluid extract of Radix et Rhizoma Dioscoreae, and even more significantly on the weakened heart. However, the high dose could make the normal frog heart poisonous, and the ethanol extract and aqueous extract of Radix et Rhizoma Dioscoreae injected intravenously into rats had a significant inhibitory effect on the heart, which slowed down or even stopped the heartbeat. Therefore, attention should be paid to the toxicity to the heart when using Dihuanghuang in large doses.