Traditional extraction methods of total saponins of Panax notoginseng include cold soaking method,water decoction method,alcohol reflux method,percolation method,macroporous resin adsorption method,and accelerated sol...Traditional extraction methods of total saponins of Panax notoginseng include cold soaking method,water decoction method,alcohol reflux method,percolation method,macroporous resin adsorption method,and accelerated solvent extraction( ASE) method. Modern extraction methods include ultrasonic extraction,microwave assisted extraction,supercritical CO_2 extraction,microbial fermentation assisted extraction,neural network model optimized extraction method,and multi-stage countercurrent extraction method. This paper discussed principles of these methods and compared their advantages and disadvantages.展开更多
目的探讨三七总皂甙(total saponins of panax notoginseng)在骨折愈合中的作用,为其临床应用提供实验依据。方法在36只雄性SD大鼠左桡骨形成骨折模型,后随机分成对照组和PNS组,予以PNS100mg/(kg.d)腹腔内注射,对照组予以等量盐水。在...目的探讨三七总皂甙(total saponins of panax notoginseng)在骨折愈合中的作用,为其临床应用提供实验依据。方法在36只雄性SD大鼠左桡骨形成骨折模型,后随机分成对照组和PNS组,予以PNS100mg/(kg.d)腹腔内注射,对照组予以等量盐水。在骨折后7天、14天、21天X线观察骨折愈合及骨痂形成情况;HE染色了解骨痂形成情况;评价全血黏度和血浆黏度水平。结果X线显示PNS组骨痂形成明显加快;HE染色显示PNS组骨折断端成骨细胞数目及骨痂增多;PNS组全血黏度和血浆黏度降低。结论PNS可低全血黏度及血浆黏度,改善血液流变性和骨折部位的血供,从而利于骨折愈合。展开更多
基金Supported by the 12 th Five-Year TCM Key Discipline Chinese Medicine Chemistry Construction Program of State Administration of Traditional Chinese Medicine(Guo Zhong Yi Yao Ren Jiao Fa[2012]32)Key Discipline Chinese Medicine Chemistry Construction Program of Guangxi(Gui Jiao Ke Yan[2013]16)+2 种基金Natural Science Foundation Project of Guangxi(2013GXNSFAA019240)Program of Key Laboratory of Guangxi Universities on National Medicine in Youjiang River Basin(Gui Jiao Ke Yan[2014]14)Innovation and Entrepreneurship Ethnical Medicine Teaching Team Program of Guangxi Zhuang Autonomous Region(Gui Jiao Gao Jiao[2015]93&Gui Jiao Gao Jiao[2016]6)
文摘Traditional extraction methods of total saponins of Panax notoginseng include cold soaking method,water decoction method,alcohol reflux method,percolation method,macroporous resin adsorption method,and accelerated solvent extraction( ASE) method. Modern extraction methods include ultrasonic extraction,microwave assisted extraction,supercritical CO_2 extraction,microbial fermentation assisted extraction,neural network model optimized extraction method,and multi-stage countercurrent extraction method. This paper discussed principles of these methods and compared their advantages and disadvantages.
文摘目的探讨三七总皂甙(total saponins of panax notoginseng)在骨折愈合中的作用,为其临床应用提供实验依据。方法在36只雄性SD大鼠左桡骨形成骨折模型,后随机分成对照组和PNS组,予以PNS100mg/(kg.d)腹腔内注射,对照组予以等量盐水。在骨折后7天、14天、21天X线观察骨折愈合及骨痂形成情况;HE染色了解骨痂形成情况;评价全血黏度和血浆黏度水平。结果X线显示PNS组骨痂形成明显加快;HE染色显示PNS组骨折断端成骨细胞数目及骨痂增多;PNS组全血黏度和血浆黏度降低。结论PNS可低全血黏度及血浆黏度,改善血液流变性和骨折部位的血供,从而利于骨折愈合。