[Objectives]To explore the influence of different times of steaming and exposing to the sun on the fingerprint of Polygonati Rhizoma by studying the HPLC fingerprint of Polygonati Rhizoma processed products with diffe...[Objectives]To explore the influence of different times of steaming and exposing to the sun on the fingerprint of Polygonati Rhizoma by studying the HPLC fingerprint of Polygonati Rhizoma processed products with different times of steaming and exposing to the sun,and to provide a basis for the determination of the best processing technology of Polygonati Rhizoma.[Methods]SETSAIL II AQ-C 18(5μm×250 mm×4.6 mm)was used as the column,the column temperature was 30℃,pure water(A)and acetonitrile(B)were eluted gradually,0-10 min,B(5%-10%),10-30 min,B(10%-35%),30-40 min,B(35%-60%),40-45 min,B(60%-100%),flow rate 1 mL/min,absorption wavelength 200 nm.[Results]The relative retained peak area RSDs of the common peaks in the precision,reproducibility and stability tests were all less than 5%.There were 17 common peaks in the fingerprint of nine batches of samples,and the retention time of Peak 2 was basically the same as that of the reference peak of 5-HMF.Peak 4 mainly existed in the chromatogram of Sample 3 to Sample 5,peaks 5 and 11 mainly existed after Sample 3,peaks 9,14 and 16 mainly existed after Sample 6,and peaks 12 and 17 mainly existed after Sample 4.[Conclusions]A total of 17 common peaks were obtained,and the Peak 2 was the designated peak,and the chemical components of each processed product were different.展开更多
[Objectives]This study aimed to investigate the water extraction-alcohol precipitation technology and content determination method of polysaccharides in Rhizoma Polygonati.[Methods]Taking the content of polysaccharide...[Objectives]This study aimed to investigate the water extraction-alcohol precipitation technology and content determination method of polysaccharides in Rhizoma Polygonati.[Methods]Taking the content of polysaccharides in the extract as the indicator,the extraction process was optimized using single-factor tests and Box-Behnken Design.The content of polysaccharides extracted was determined by the anthrone-sulfuric acid method.Among the three factors in the test design,the solid/liquid ratio and extraction time had a significant effect(P<0.05,P<0.01),while the extraction temperature had no effect on the content of polysaccharides extracted(P>0.05).[Results]The optimal extraction process for polysaccharides in Rhizoma Polygonati was as follows:liquid/solid ratio 20∶1(mL/g),extraction time 2 h,and extraction temperature 85℃.Under the optimal extraction process,the content of polysaccharides in the extract reached 12.50%.[Conclusions]The extraction process optimized by response surface methodology for polysaccharides in Rhizoma Polygonati is reliable and has practical value,and can be used to guide production practices.展开更多
Huang Jing (黄精 Polygonati Rhizoma, PR) was first documented as a herbal medicine in Ming Yi Bie Lu (《名医别录》 Miscellaneous Records of Famous Physicians) in China. However, there was no comprehensive review on th...Huang Jing (黄精 Polygonati Rhizoma, PR) was first documented as a herbal medicine in Ming Yi Bie Lu (《名医别录》 Miscellaneous Records of Famous Physicians) in China. However, there was no comprehensive review on the botany, traditional uses, and pharmacological effects of PR till now. In this study, the botany, traditional uses including Taoist medicine, and pharmacological effects of PR were reviewed and summarized to provide insights on drug development of PR. In Taoist medicine, PR maintains agerasia and helps prolong human life-span, and is used for fasting (Bigu). In the Zhong Guo Yao Dian (《中国药典》Chinese Pharmacopeia) version 2020, PR exerts replenishing qi and nourishing yin, invigorating the spleen, moistening the lung, and strengthening the kidney. Pharmacological studies show that PR has effects of anti-oxidation, anti-diabetes, anti-osteoporosis, anti-cancer, anti-hyperlipidemia, cardiomyocyte protection, immunomodulatory, and thus can be used for treatment of infertility, anti-microorganisms, and improving sleep and memory. In conclusion, PR may play a potential role for chronic disease management and health preservation and this very role deserves a more in-depth research.展开更多
采用烘制和烤制2种不同加工工艺制备黄精茶,并对其质构特性、挥发性成分、感官品质及抗氧化作用进行对比分析。结果表明,不同加工工艺对黄精茶色泽影响较大,但对其复水比、皱缩比及微观组织结构等质构特性影响不显著。固相微萃取/气相色...采用烘制和烤制2种不同加工工艺制备黄精茶,并对其质构特性、挥发性成分、感官品质及抗氧化作用进行对比分析。结果表明,不同加工工艺对黄精茶色泽影响较大,但对其复水比、皱缩比及微观组织结构等质构特性影响不显著。固相微萃取/气相色谱-质谱联用(solid phase microextraction combined with gas chromatography-mass spectrometry, SPME/GC-MS)分析结果表明,烘制和烤制黄精茶的主要呈香物质相似但含量不同,以烷类及芳香族化合物为主,而苯乙醇、甲基丁香酚、桉叶油醇可能是黄精茶特征性风味物质。感官品质以烘制黄精茶相对较好。与烤制黄精茶相比,烘制黄精茶更好地保留了总酚、总黄酮等生物活性物质,并具有更为显著的ABTS阳离子自由基、DPPH自由基清除作用。该研究为黄精的有效开发与利用提供了理论参考。展开更多
目的对酒制黄精水溶性多糖(Polysaccharides from wine-processed Polygonatum sibiricum.,PSPW)进行分步醇沉,对各醇沉组分理化性质及免疫活性进行研究。方法采用分步醇沉法对PSPW进行分离、纯化;采用气相色谱(GC)、高效凝胶渗透色谱(H...目的对酒制黄精水溶性多糖(Polysaccharides from wine-processed Polygonatum sibiricum.,PSPW)进行分步醇沉,对各醇沉组分理化性质及免疫活性进行研究。方法采用分步醇沉法对PSPW进行分离、纯化;采用气相色谱(GC)、高效凝胶渗透色谱(HPGPC)及傅里叶变换红外光谱(FT-IR)等方法对各醇沉组分的理化性质进行研究;采用MTT法、中性红吞噬实验及Griess法评价各醇沉组分对RAW 264.7细胞免疫活性的影响。结果随分步醇沉中所用乙醇浓度增加,依次获得0~30%、30%~50%、50%~70%及70%~80%多糖组分,分别命名为PSPW-1、PSPW-2、PSPW-3及PSPW-4;理化性质结果表明4个醇沉组分(分子量分别为2.26×10^(4)、2.24×10^(4)、1.15×10^(4)及6.58×10^(3)u)均为糖蛋白复合物;各醇沉组分单糖组成种类和比例存在显著差异,均含高比例的半乳糖;免疫活性研究表明各组分均可促进RAW264.7细胞活力、吞噬中性红能力、分泌NO能力及分泌酸性磷酸酶活力,其中组分PSPW-3免疫活性最强。结论分步醇沉法所得PSPW各醇沉组分理化性质和免疫活性存在较大差异,推测PSPW-3为酒制黄精多糖发挥免疫调节作用的最佳活性组分,本研究为酒制黄精多糖最佳免疫调节活性组分的构效关系及黄精多糖功能性食品开发提供依据。展开更多
“十三五”期间中医药发展迎来了利好时机。通过对2016—2020年中国期刊全文数据库(CJFD)和Web of science(WOS)的黄精相关全部文献进行检索,分别从文献年代、期刊来源、主要研究地域、第一科研机构、主题和关键词等角度进行统计分析,...“十三五”期间中医药发展迎来了利好时机。通过对2016—2020年中国期刊全文数据库(CJFD)和Web of science(WOS)的黄精相关全部文献进行检索,分别从文献年代、期刊来源、主要研究地域、第一科研机构、主题和关键词等角度进行统计分析,利用文献计量工具VOSviewer研究文献关键词共现网络特性来把握“十三五”期间黄精科学研究现状。结果表明,黄精研究主要在国内,与其产地分布关系较密切。研究主题广泛,药材资源为论文发表量最多的主题,已形成较为稳定的研究机构和团队。尽管“十三五”期间,论文量呈先上升后下降再回升的趋势,与“十一五”和“十二五”相比,“十三五”期间论文发表量明显增加,并更多地关注黄精生态种植、单一化合物的分离和药效研究等。但黄精仍存在种子规模化繁育滞后、质量评价体系不健全、产品创新性不足等问题。有针对性地加强黄精种子休眠和萌发特性、多指标评价方法和新颖产品的研发可助力黄精产业的可持续发展。展开更多
基金Supported by General Program of Guangxi Natural Science Foundation(2022GXNSFAA035599).
文摘[Objectives]To explore the influence of different times of steaming and exposing to the sun on the fingerprint of Polygonati Rhizoma by studying the HPLC fingerprint of Polygonati Rhizoma processed products with different times of steaming and exposing to the sun,and to provide a basis for the determination of the best processing technology of Polygonati Rhizoma.[Methods]SETSAIL II AQ-C 18(5μm×250 mm×4.6 mm)was used as the column,the column temperature was 30℃,pure water(A)and acetonitrile(B)were eluted gradually,0-10 min,B(5%-10%),10-30 min,B(10%-35%),30-40 min,B(35%-60%),40-45 min,B(60%-100%),flow rate 1 mL/min,absorption wavelength 200 nm.[Results]The relative retained peak area RSDs of the common peaks in the precision,reproducibility and stability tests were all less than 5%.There were 17 common peaks in the fingerprint of nine batches of samples,and the retention time of Peak 2 was basically the same as that of the reference peak of 5-HMF.Peak 4 mainly existed in the chromatogram of Sample 3 to Sample 5,peaks 5 and 11 mainly existed after Sample 3,peaks 9,14 and 16 mainly existed after Sample 6,and peaks 12 and 17 mainly existed after Sample 4.[Conclusions]A total of 17 common peaks were obtained,and the Peak 2 was the designated peak,and the chemical components of each processed product were different.
基金Innovation and Entrepreneurship Training Program for Undergraduates of Liaoning Institute of Science and Technology(202011430059)Research Project of Undergraduate Teaching Reform in General Higher Education in Liaoning Province 2018:High-quality Teaching Resource Construction and Sharing Project(247).
文摘[Objectives]This study aimed to investigate the water extraction-alcohol precipitation technology and content determination method of polysaccharides in Rhizoma Polygonati.[Methods]Taking the content of polysaccharides in the extract as the indicator,the extraction process was optimized using single-factor tests and Box-Behnken Design.The content of polysaccharides extracted was determined by the anthrone-sulfuric acid method.Among the three factors in the test design,the solid/liquid ratio and extraction time had a significant effect(P<0.05,P<0.01),while the extraction temperature had no effect on the content of polysaccharides extracted(P>0.05).[Results]The optimal extraction process for polysaccharides in Rhizoma Polygonati was as follows:liquid/solid ratio 20∶1(mL/g),extraction time 2 h,and extraction temperature 85℃.Under the optimal extraction process,the content of polysaccharides in the extract reached 12.50%.[Conclusions]The extraction process optimized by response surface methodology for polysaccharides in Rhizoma Polygonati is reliable and has practical value,and can be used to guide production practices.
基金The study was financially supported by the National Natural Science Foundation of China(No.81874356)the Open Project of Hubei Key Laboratory of Wudang Local Chinese Medicine Research from Hubei University of Medicine(Nos.WDCM2018002,WDCM201917,and WDCM201918)+1 种基金the Chinese Medicine Project of Health Commission of Hubei Province(No.ZY2021010)the Foundation for Innovative Research Team of Hubei University of Medicine(No.2018YHKT01).
文摘Huang Jing (黄精 Polygonati Rhizoma, PR) was first documented as a herbal medicine in Ming Yi Bie Lu (《名医别录》 Miscellaneous Records of Famous Physicians) in China. However, there was no comprehensive review on the botany, traditional uses, and pharmacological effects of PR till now. In this study, the botany, traditional uses including Taoist medicine, and pharmacological effects of PR were reviewed and summarized to provide insights on drug development of PR. In Taoist medicine, PR maintains agerasia and helps prolong human life-span, and is used for fasting (Bigu). In the Zhong Guo Yao Dian (《中国药典》Chinese Pharmacopeia) version 2020, PR exerts replenishing qi and nourishing yin, invigorating the spleen, moistening the lung, and strengthening the kidney. Pharmacological studies show that PR has effects of anti-oxidation, anti-diabetes, anti-osteoporosis, anti-cancer, anti-hyperlipidemia, cardiomyocyte protection, immunomodulatory, and thus can be used for treatment of infertility, anti-microorganisms, and improving sleep and memory. In conclusion, PR may play a potential role for chronic disease management and health preservation and this very role deserves a more in-depth research.
文摘采用烘制和烤制2种不同加工工艺制备黄精茶,并对其质构特性、挥发性成分、感官品质及抗氧化作用进行对比分析。结果表明,不同加工工艺对黄精茶色泽影响较大,但对其复水比、皱缩比及微观组织结构等质构特性影响不显著。固相微萃取/气相色谱-质谱联用(solid phase microextraction combined with gas chromatography-mass spectrometry, SPME/GC-MS)分析结果表明,烘制和烤制黄精茶的主要呈香物质相似但含量不同,以烷类及芳香族化合物为主,而苯乙醇、甲基丁香酚、桉叶油醇可能是黄精茶特征性风味物质。感官品质以烘制黄精茶相对较好。与烤制黄精茶相比,烘制黄精茶更好地保留了总酚、总黄酮等生物活性物质,并具有更为显著的ABTS阳离子自由基、DPPH自由基清除作用。该研究为黄精的有效开发与利用提供了理论参考。
文摘“十三五”期间中医药发展迎来了利好时机。通过对2016—2020年中国期刊全文数据库(CJFD)和Web of science(WOS)的黄精相关全部文献进行检索,分别从文献年代、期刊来源、主要研究地域、第一科研机构、主题和关键词等角度进行统计分析,利用文献计量工具VOSviewer研究文献关键词共现网络特性来把握“十三五”期间黄精科学研究现状。结果表明,黄精研究主要在国内,与其产地分布关系较密切。研究主题广泛,药材资源为论文发表量最多的主题,已形成较为稳定的研究机构和团队。尽管“十三五”期间,论文量呈先上升后下降再回升的趋势,与“十一五”和“十二五”相比,“十三五”期间论文发表量明显增加,并更多地关注黄精生态种植、单一化合物的分离和药效研究等。但黄精仍存在种子规模化繁育滞后、质量评价体系不健全、产品创新性不足等问题。有针对性地加强黄精种子休眠和萌发特性、多指标评价方法和新颖产品的研发可助力黄精产业的可持续发展。
