Persimmon lacquer

Persimmon lacquer

(compendium)

[synonym] shise (collection of medicinal materials).

[source] it is the jelly made from the immature fruits of Diospyros kaki and other plants of the same genus.

[preparation method] pick the immature fruits with green color and astringent taste, mash them, put them in a vat, add appropriate amount of water, stir them from time to time, and then stand for about 20 days to remove the dregs, leaving a colorless colloidal liquid, namely persimmon lacquer.

[chemical composition] it contains Diospyros kaki, a tannin like substance, choline and acetylcholine.

[pharmacological action] from the extract of persimmon lacquer, we can get choline and acetylcholine, and some amino acid like substances similar to choline in structure and unknown in nature; it can reduce rabbit blood pressure, inhibit isolated frog heart, and excite guinea pig intestines. These effects can be blocked by atropine: in Hirudo dorsal muscle specimens, its action intensity is equivalent to 3 / 4 of acetylcholine; another component can reduce cat blood pressure It was not blocked by atropine. In vitro, persimmon lacquer has hemolytic effect. When injected into rabbits, it causes morphological changes of red blood cells and decrease of lymphocytes.

[nature and taste] Modern Practical Chinese medicine: "astringent and bitter. "

[function and indications] guandai practical Chinese medicine: "treating hypertension. One or two spoonfuls of persimmon lacquer, mixed with milk or rice soup; two or three times a day. "