Poria cocos(PC)is a famous traditional Chinese medicine(TCM)and a widely used healthcare ingredient,which has antiobesity,enhancing immunity and improving sleep effects.Traditionally,only water-soluble poria polysacch...Poria cocos(PC)is a famous traditional Chinese medicine(TCM)and a widely used healthcare ingredient,which has antiobesity,enhancing immunity and improving sleep effects.Traditionally,only water-soluble poria polysaccharide(WSP)is extracted and applied for clinical application,while insoluble polysaccharide(alkali-soluble poria polysaccharide,ASP)is discarded as herb residue.However,the whole PC has also been historically utilized as functional herbal food.Considering the beneficial role of dietary fiber and the traditional use of PC,ASP may also contribute substantially to the therapy function of PC.Compared to WSP,little attention has been paid to ASP and ASP modified product carboxymethyl poria polysaccharide(CMP)which has been used as an antitumor adjuvant drug.In this study,the oil,cholesterol,metal ions and polyphenols adsorption ability,in vitro simulated digestive and the gut microbiota fermentation characteristics of WSP,ASP and CMP were studied to evaluate the functional values of three P.cocos polysaccharides(PCPs).The results showed that all three PCPs had good adsorption capacity on cholesterol,polyphenols and metal ions(Cd^(2+)/Zn^(2+)/Mg^(2+)),among which ASP showed the highest capacity than WSP and CMP.The adsorption capacity of all three PCPs on heavy metal ions(Cd^(2+)/Zn^(2+))was stronger than that of non-heavy metal ions(Mg^(2+));The in vitro digestibility of all three PCPs was very low,but WSP was slightly higher than ASP and CMP;Moreover,the indigestible residue of all three PCPs could improve the richness and diversity of gut microbiota,among which ASP had the greatest influence.In general,ASP and CMP could significantly promote the proliferation of some probiotics and inhibit the growth of some harmful bacteria.The gut microbiota diversity of CMP was reduced,but the richness of probiotics,especially Parabacteroides distasonis was significantly enhanced compared with the ASP group,and the growth of harmful bacteria Klebsiella pneumoniae was inhibited after CMP treatment.The short-chain fatty acids(SCFAs)analysis results showed that all three PCPs could significantly promote the production of acetic acid,propionic acid and the total acid content compared with blank control group,and SCFAs producing activity was positively correlated with the proliferative capacity of probiotics.Taken together,the good adsorption characteristics and gut microbiota regulatory activity of ASP may lay foundation for its lipid-lowering and immune-improving function.Additionally,the probiotic effect of CMP and ASP indicated that except for only use the water extract of PC in clinic,CMP and ASP also can be used in healthcare to take full advantage of this valuable medicine.展开更多
该文通过中国知网、PubMed、Web of Science学术数据库对茯苓进行检索并分类归纳,介绍了茯苓发酵活性物质的制备和抗肿瘤作用;总结了不同培养基和发酵条件对茯苓多糖和三萜产量的影响以及对肿瘤细胞的作用机制和原理。结果表明,茯苓是...该文通过中国知网、PubMed、Web of Science学术数据库对茯苓进行检索并分类归纳,介绍了茯苓发酵活性物质的制备和抗肿瘤作用;总结了不同培养基和发酵条件对茯苓多糖和三萜产量的影响以及对肿瘤细胞的作用机制和原理。结果表明,茯苓是一类具有广泛抗肿瘤活性和潜力的天然药物,它们可以通过多种途径和机制影响肿瘤细胞的生长、存活、迁移、侵袭、转移等方面,从而达到抑制肿瘤的目的。茯苓发酵工艺的稳定性以及发酵产物的安全性和毒性等方面还有许多问题需要进一步研究加以改进或创新。未来可以使用更多种类和来源的肿瘤细胞或动物模型来评价茯苓发酵产物的抗肿瘤活性,使用更深入和全面的技术来探讨茯苓发酵产物对肿瘤细胞的抗肿瘤机制,使用更充分和系统的方法来评价茯苓发酵产物的安全性和毒性。展开更多
为了探究茯苓配方(茯苓、山楂、黄大茶)浸膏对高脂饮食小鼠肥胖及脂质沉积的影响,将C57/BL6N小鼠随机分为对照组,模型组,奥利司他药物对照组,茯苓配方(Poria cocos Wolf formula,PWF)浸膏低、高剂量组。除对照组给予低脂饲料,其他组均...为了探究茯苓配方(茯苓、山楂、黄大茶)浸膏对高脂饮食小鼠肥胖及脂质沉积的影响,将C57/BL6N小鼠随机分为对照组,模型组,奥利司他药物对照组,茯苓配方(Poria cocos Wolf formula,PWF)浸膏低、高剂量组。除对照组给予低脂饲料,其他组均以高脂饲料喂养12周。每周记录小鼠的体重、能量摄入。给药结束后,计算各组小鼠Lee’s指数、脏器系数,采用苏木精-伊红(hematoxylin-eosin,HE)染色法观察各组小鼠肝细胞与脂肪细胞形态变化,全自动生化仪测定各组小鼠血清中TG、TC、HDL-C、LDL-C、AST及ALT水平变化。结果显示,与对照组相比,模型组小鼠体重、Lee’s指数、脏器系数、TG、TC、LDL-C、AST及ALT水平均显著升高(P<0.01或P<0.001),肝脏脂滴数量与脂肪细胞直径增加;与模型组相比,茯苓配方浸膏高剂量组小鼠体重、Lee’s指数和脏器系数均显著降低(P<0.05或P<0.01),低剂量组小鼠体重、Lee’s指数和脏器系数均没有显著变化,茯苓配方浸膏高剂量组小鼠肝脏脂滴数量与脂肪细胞直径减少,TG、TC、LDL-C水平、AST及ALT水平均显著降低(P<0.05或P<0.01或P<0.001)。综上所述,茯苓配方浸膏能够改善高脂饮食小鼠的体重及脂质沉积,为开发改善肥胖的天然物质提供理论基础。展开更多
Polysaccharides contain exocellular polysaccharide and endocelluar polydaccharide in fermentation liquid of Poria cocos.Moreover,endocelluar polydaccharide consisted of endocelluar water resolvable polydaccharide and ...Polysaccharides contain exocellular polysaccharide and endocelluar polydaccharide in fermentation liquid of Poria cocos.Moreover,endocelluar polydaccharide consisted of endocelluar water resolvable polydaccharide and endocelluar alkali resolvable polysaccharide.It was shown that contents of exocellular polysaccharide and endocelluar polydaccharide per liter fermentation liquid of Poria cocos were 5.43 gram and 4.09 gram,respetively.Water resolvable polysaccharide and alkali resolvable polysaccharide were extracted and isolated.The contents of water resolvable polysaccharide and alkali resovable polysaccharide per liter fermentation liquid of Poria cocos were 1.17 gram and 2.92 gram,respectively.展开更多
基金supported by the Province Natural Science Foundation of Hunan,China (2022JJ5410)Special Project on Modern Agricultural Industrial Technology System Construction of Hunan,China (2022-67)。
文摘Poria cocos(PC)is a famous traditional Chinese medicine(TCM)and a widely used healthcare ingredient,which has antiobesity,enhancing immunity and improving sleep effects.Traditionally,only water-soluble poria polysaccharide(WSP)is extracted and applied for clinical application,while insoluble polysaccharide(alkali-soluble poria polysaccharide,ASP)is discarded as herb residue.However,the whole PC has also been historically utilized as functional herbal food.Considering the beneficial role of dietary fiber and the traditional use of PC,ASP may also contribute substantially to the therapy function of PC.Compared to WSP,little attention has been paid to ASP and ASP modified product carboxymethyl poria polysaccharide(CMP)which has been used as an antitumor adjuvant drug.In this study,the oil,cholesterol,metal ions and polyphenols adsorption ability,in vitro simulated digestive and the gut microbiota fermentation characteristics of WSP,ASP and CMP were studied to evaluate the functional values of three P.cocos polysaccharides(PCPs).The results showed that all three PCPs had good adsorption capacity on cholesterol,polyphenols and metal ions(Cd^(2+)/Zn^(2+)/Mg^(2+)),among which ASP showed the highest capacity than WSP and CMP.The adsorption capacity of all three PCPs on heavy metal ions(Cd^(2+)/Zn^(2+))was stronger than that of non-heavy metal ions(Mg^(2+));The in vitro digestibility of all three PCPs was very low,but WSP was slightly higher than ASP and CMP;Moreover,the indigestible residue of all three PCPs could improve the richness and diversity of gut microbiota,among which ASP had the greatest influence.In general,ASP and CMP could significantly promote the proliferation of some probiotics and inhibit the growth of some harmful bacteria.The gut microbiota diversity of CMP was reduced,but the richness of probiotics,especially Parabacteroides distasonis was significantly enhanced compared with the ASP group,and the growth of harmful bacteria Klebsiella pneumoniae was inhibited after CMP treatment.The short-chain fatty acids(SCFAs)analysis results showed that all three PCPs could significantly promote the production of acetic acid,propionic acid and the total acid content compared with blank control group,and SCFAs producing activity was positively correlated with the proliferative capacity of probiotics.Taken together,the good adsorption characteristics and gut microbiota regulatory activity of ASP may lay foundation for its lipid-lowering and immune-improving function.Additionally,the probiotic effect of CMP and ASP indicated that except for only use the water extract of PC in clinic,CMP and ASP also can be used in healthcare to take full advantage of this valuable medicine.
文摘该文通过中国知网、PubMed、Web of Science学术数据库对茯苓进行检索并分类归纳,介绍了茯苓发酵活性物质的制备和抗肿瘤作用;总结了不同培养基和发酵条件对茯苓多糖和三萜产量的影响以及对肿瘤细胞的作用机制和原理。结果表明,茯苓是一类具有广泛抗肿瘤活性和潜力的天然药物,它们可以通过多种途径和机制影响肿瘤细胞的生长、存活、迁移、侵袭、转移等方面,从而达到抑制肿瘤的目的。茯苓发酵工艺的稳定性以及发酵产物的安全性和毒性等方面还有许多问题需要进一步研究加以改进或创新。未来可以使用更多种类和来源的肿瘤细胞或动物模型来评价茯苓发酵产物的抗肿瘤活性,使用更深入和全面的技术来探讨茯苓发酵产物对肿瘤细胞的抗肿瘤机制,使用更充分和系统的方法来评价茯苓发酵产物的安全性和毒性。
文摘为了探究茯苓配方(茯苓、山楂、黄大茶)浸膏对高脂饮食小鼠肥胖及脂质沉积的影响,将C57/BL6N小鼠随机分为对照组,模型组,奥利司他药物对照组,茯苓配方(Poria cocos Wolf formula,PWF)浸膏低、高剂量组。除对照组给予低脂饲料,其他组均以高脂饲料喂养12周。每周记录小鼠的体重、能量摄入。给药结束后,计算各组小鼠Lee’s指数、脏器系数,采用苏木精-伊红(hematoxylin-eosin,HE)染色法观察各组小鼠肝细胞与脂肪细胞形态变化,全自动生化仪测定各组小鼠血清中TG、TC、HDL-C、LDL-C、AST及ALT水平变化。结果显示,与对照组相比,模型组小鼠体重、Lee’s指数、脏器系数、TG、TC、LDL-C、AST及ALT水平均显著升高(P<0.01或P<0.001),肝脏脂滴数量与脂肪细胞直径增加;与模型组相比,茯苓配方浸膏高剂量组小鼠体重、Lee’s指数和脏器系数均显著降低(P<0.05或P<0.01),低剂量组小鼠体重、Lee’s指数和脏器系数均没有显著变化,茯苓配方浸膏高剂量组小鼠肝脏脂滴数量与脂肪细胞直径减少,TG、TC、LDL-C水平、AST及ALT水平均显著降低(P<0.05或P<0.01或P<0.001)。综上所述,茯苓配方浸膏能够改善高脂饮食小鼠的体重及脂质沉积,为开发改善肥胖的天然物质提供理论基础。
文摘Polysaccharides contain exocellular polysaccharide and endocelluar polydaccharide in fermentation liquid of Poria cocos.Moreover,endocelluar polydaccharide consisted of endocelluar water resolvable polydaccharide and endocelluar alkali resolvable polysaccharide.It was shown that contents of exocellular polysaccharide and endocelluar polydaccharide per liter fermentation liquid of Poria cocos were 5.43 gram and 4.09 gram,respetively.Water resolvable polysaccharide and alkali resolvable polysaccharide were extracted and isolated.The contents of water resolvable polysaccharide and alkali resovable polysaccharide per liter fermentation liquid of Poria cocos were 1.17 gram and 2.92 gram,respectively.
