Pharmaceutical use of senkyunolide A, and medicinal composition containing it and its prepairng method
A technology of yangchuan xiongolide and composition, which is applied in the pharmaceutical use of yangchuan xiongolide A and the field of pharmaceutical compositions and preparations containing it
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preparation example 1
[0018] Preparation example 1, prepare Rhizoma Chuanxiong volatile oil
[0019] Preparation method of volatile oil of Rhizoma Chuanxiong: take 100g decoction pieces of Rhizoma Chuanxiong, crush and sieve, follow the determination method of volatile oil in appendix XD of "Chinese Pharmacopoeia" 2000 edition, continue distillation for 2 hours, collect volatile oil, and obtain it.
preparation example 2
[0020] Preparation example 2, preparation of Rhizoma Chuanxiong volatile oil
[0021] The preparation method of the volatile oil of Chuanxiong: Take 500g of Chuanxiong decoction pieces, crush and sieve, put in a 5L supercritical extraction equipment, and carry out CO 2 Supercritical fluid extraction, the extraction pressure is 25MPa, the extraction temperature is 40°C, the extraction time is 4 hours, CO 2 The flow rate is 2L / Kg·h, the extract of Rhizoma Chuanxiong is filtered, the filtrate is allowed to stand still, and the oil layer is taken to obtain the product.
preparation example 3
[0022] Preparation example 3, the preparation method of Ligusticolactone A
[0023] Take 2kg of 200-300 mesh column chromatography silica gel, petroleum ether as solvent, and wet-pack the column; take 200g of Chuanxiong oil, mix the sample with 1:1 silica gel, load the sample, elute with petroleum ether, detect by TLC, and collect Part A of the ester was obtained by recovering the solvent in a rotary thin film evaporator under vacuum at 40°C. The content of chuanxionglide A was 90.2% as measured by the HPLC external standard method.
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