FENG Mingqing,YANG Nan,FANG Yuan,et al.Optimization of the extraction technology for the raw drugs of Sanse powder gel paste[J].ZHONGGUO YAOFANG,2023,34(23):2841-2847.
FENG Mingqing,YANG Nan,FANG Yuan,et al.Optimization of the extraction technology for the raw drugs of Sanse powder gel paste[J].ZHONGGUO YAOFANG,2023,34(23):2841-2847. DOI: 10.6039/j.issn.1001-0408.2023.23.05.
Optimization of the extraction technology for the raw drugs of Sanse powder gel paste
To optimize the extraction technology for the raw drugs of Sanse powder gel paste.
METHODS
2
SD rats were divided into blank group, model group, traditional technology group, water extraction group and ethanol extraction group, with 5 rats in each group. Anterior cruciate ligament transection was used to construct knee osteoarthritis model, and the pharmacodynamic effects of different extraction methods on arthritic rats were investigated. Analgesic experiments were conducted using cold and hot pain thresholds and pain mediators calcitonin gene-related peptide (CGRP), cyclooxygenase-2 (COX-2), substance P (SP), and prostaglandin E2 (PGE2) contents as indicators. HE staining was performed on the synovial membrane of rats to observe the degree of synovial cell proliferation, inflammatory infiltration and vascular invasion, and anti-inflammatory experiments were conducted using protein and mRNA expressions of interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α) and IL-6 as indicators. The analgesic and anti-inflammatory effects were compared among those groups. In the orthogonal test, ethanol dosage, extraction time and extraction times were used as evaluation factors, and the contents of casticin, strychnine and toxiferine were taken as evaluation indicators; comprehensive score was calculated. The validation experiments were carried out after optimizing the extraction technology of the raw drugs of Sanse powder gel paste.
RESULTS
2
Compared with the model group, the cold and heat pain thresholds of drug administration groups (except for the traditional technology group) were all increased significantly (
P
<0.05), while the contents of pain mediators CGRP, COX-2, SP and PGE2 were all decreased significantly (
P
<0.05). HE staining showed that inflammatory cell infiltration, fibrosis and collagen deposition were decreased in the administration groups; a small amount of capillary proliferation could be found; the protein and mRNA expressions of inflammatory factors such as IL-1β, IL-6 and TNF-α were decreased significantly in synovial tissue of rats in administration groups (
P
<0.05). Compared with the traditional technology group, most indicators of the ethanol extraction group were significantly reduced (
P
<0.05), and only heat pain threshold and mRNA expression of IL-6 in rats were decreased significantly in the water extraction group (
P
<0.05). The optimal extraction technology of the raw drugs of Sanse powder gel paste included suitable dose of Sanse powder, 8-fold 55% ethanol, heating reflux extraction for 90 minutes, extracting twice. The results of 3 times of verification experiments showed that the average contents of casticin, strychnine and toxiferine were 0.007%, 0.092%, and 0.214%, respectively; RSD were all less than 5%.
CONCLUSIONS
2
The optimized extraction technology for the raw drugs of Sanse powder gel paste is stable and feasible, which can improve the efficacy of the preparation.
关键词
三色散凝胶贴膏提取工艺药效学含量测定
Keywords
gel pasteextraction technologypharmacokineticscontent determination
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