The efficacy and effects of tannin

April 18, 2023
Danpi, also known as peony bark, peony root bark, Dan root, for buttercup plant peony dried root bark, bitter, pungent, slightly cold, has the effect of clearing heat and cooling the blood, blood circulation and siltation, the following look at the efficacy and effects of Danpi what.

Clearing heat and cooling the blood

Danpi is cold, bitter and pungent, good at permeating blood heat, cool the blood and remove sweatless bone vapor, used for fever, high fever, dizziness, rash, blood fever, epistaxis, etc., often used with raw earth; with artemisia, ground bark, can be used for fever after the heat of the Yin part, night fever and early cool.

Promoting blood circulation and resolving stagnation

Danpi is hard and slightly cold, clearing heat with the function of dispersing blood, Danpi can well reduce the viscosity of capillaries after entering the body, helping to inhibit the accumulation of platelets in the body, with a good want to activate blood circulation and resolve blood stasis.

Anti-bacterial and anti-inflammatory

The peony bark contains peony phenol and other glycosides that are anti-inflammatory in nature. Moreover, the decoction of dandan bark has strong antibacterial effects on Bacillus subtilis, Escherichia coli, S. typhi, S. paratyphi, S. pyogenes, P. aeruginosa, Staphylococcus, Streptococcus hemolyticus, Streptococcus pneumoniae, Vibrio cholerae, etc.

Anticoagulant

Both aqueous extract of Salvia miltiorrhiza and paeonol can inhibit platelet arachidonic acid to produce thromboxane A2, which in turn inhibits platelet aggregation and plays an anticoagulant role, thus also playing a role in preventing thrombosis.

Regulate lipid metabolism

Salix officinalis and the salvianol and paeoniflorin contained in it have an inhibitory effect on the lipolysis of lipid cells caused by the adrenal glands; moreover, the aqueous extract of Salix officinalis can increase the glucose production of fat in lipid cells, especially the insulin-induced glucose production of fat.

Sedative and analgesic

The peony phenol contained in dandan bark has sedative, hypnotic and analgesic effects, so the use of dandan bark is sedative, hypnotic and analgesic.

Anti-contracture

Studies have shown that the peony phenol contained in dandan bark has a significant antispasmodic effect on the strong contraction of guinea pig isolated ileum caused by acetylcholine; and the paeoniflorin contained in dandan bark also has a significant anticonvulsant effect on the smooth muscle of the intestine.
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