1、 Pharmacopoeia standard of cassia seed
This product is the dried mature seed of Abutilon theophrasti medic., a plant of Malvaceae. Mature fruits are harvested in autumn, dried in the sun, seeded, and impurities removed.
. The seed coat is hard, cotyledons are 2, overlapping and folded, and oil-rich. The air is weak and the taste is light.
[identification] (1) cross section of this product: epidermal cells are 1 row, oblate and rectangular, and some differentiate into single-cell non glandular hairs. The lower skin cells are 1 row and slightly radially elongated. Grid like cells are 1 row, long columnar, about 88 μ m long, extremely thick wall, linear cavity can be seen in the upper part, and its end is expanded, containing fine spherical crystals. . Endosperm and cotyledon cells contain fatty oil and aleurone grains, and cotyledon cells also contain a few fine calcium oxalate clusters.
(2) Take 2G of this product powder, put it in Soxhlet extractor, add a proper amount of petroleum ether (60 ～ 90 ℃), heat and reflux until the extraction solution is colorless, cool it, discard the petroleum ether solution, volatilize the drug residue, add 30ml of ethanol, sonicate for 30 minutes, cool it, filter it, and concentrate the filtrate to 2ml as the test solution. Take another 2G of the control medicinal material of Abutilon wilfordii, and prepare the control medicinal material solution by the same method. According to the test of thin-layer chromatography (general rule 0502), suck 5 μ l of each of the above two solutions, dot them on the same silica gel G thin-layer plate, use chloroform acetone methanol formic acid (3:1:0.5:0.1) as the developing agent, develop, take out, air dry, spray 10% sulfuric acid ethanol solution, heat at 110 ℃ until the spots develop clearly, and check under ultraviolet light (365nm). In the chromatogram of the test sample, fluorescent spots of the same color appear at the position corresponding to the chromatogram of the control medicinal material.
[inspection] impurities shall not exceed 1% (general rule 2301).
The moisture content shall not exceed 10.0% (the fourth method of general rule 0832).
The total ash content shall not exceed 7.0% (general rule 2302).
[extract] according to the hot leaching method under the determination method of alcohol soluble extract (general rule 2201), the use of ethanol as solvent shall not be less than 17.0%.
. It belongs to the large intestine, small intestine and bladder meridian.
[functions and indications] it can clear away heat, detoxify, relieve dampness, and eliminate obscuration. It is used for red and white dysentery, astringent and painful gonorrhea, carbuncle, swelling and sores, and eye shadow film.
[usage and dosage] 3 ～ 9g.
[storage] store in a cool and dry place.

2、 Chemical constituents of Abutilon wilfordii

Containing fatty oil, the main components of the oil are linoleic acid, oleic acid, linolenic acidpalmitic acid, stearic acid, arachidic acid.

3、 Pharmacological effects of Abutilon wilfordii

. It can clear away heat and dampness, detoxify, and dispel obscuration. It is used for red and white dysentery, gonorrhea, carbuncle, swollen eyes and pannus.