[目的]阐明栀子水提浸膏中的化学成分并对主要成分进行定量分析,为栀子配方颗粒及其药效研究提供物质基础。[方法]用纯净水作为溶剂提取制备栀子水提浸膏,采用超高效液相高分辨质谱联用技术(ultra high performance liquid chromatograp...[目的]阐明栀子水提浸膏中的化学成分并对主要成分进行定量分析,为栀子配方颗粒及其药效研究提供物质基础。[方法]用纯净水作为溶剂提取制备栀子水提浸膏,采用超高效液相高分辨质谱联用技术(ultra high performance liquid chromatography coupled with mass spectrometry,UHPLC-MS)对栀子水提浸膏主要化学成分进行分析,并采取高效液相色谱法(high performance liquid chromatography,HPLC)测定出栀子水提浸膏中主要成分栀子苷、京尼平1-β-D-龙胆双糖苷的含量。[结果]根据栀子中主要成分的裂解规律和质谱裂解碎片,栀子水提浸膏中共鉴定化合物16种,包括环烯醚萜类7种、有机酸类3种、黄酮类2种、其他类4种。选择其中两个主要成分栀子苷和京尼平1-β-D-龙胆双糖苷进行含量测定,结果显示栀子水提浸膏中栀子苷和京尼平1-β-D-龙胆双糖苷的平均含量分别为13.42%和4.88%。[结论]采用HPLC测定栀子水提浸膏中栀子苷和京尼平1-β-D-龙胆双糖苷含量,方法简便、效果稳定,为后续栀子配方颗粒的药效研究提供了物质基础。展开更多
A new anthraquinone glycoside, emodin-1-O-β-gentiobioside 1, together with threeknown compounds, chrysophanol-1-O-β-gentiobioside 2, physcion-8-O-β-gentiobioside 3, andchrysophanol-1-O-β-D-glucopyranosyl-(1→3)-β...A new anthraquinone glycoside, emodin-1-O-β-gentiobioside 1, together with threeknown compounds, chrysophanol-1-O-β-gentiobioside 2, physcion-8-O-β-gentiobioside 3, andchrysophanol-1-O-β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-(1→6)-β-D-glucopyranoside4 was isolated from the seeds of Cassia obtusifolia. Its structure was elucidated on the basis ofspectroscopic evidence.展开更多
In the present study,we aimed to ascertain the metabolic detoxification routes of genipin via CYP3A4,SULT2 A1,and UGT1 A1 in Hepa RG cells.It was found that the hepatic CYP3A4,SULT2 A1,and UGT1 A1 synergistically medi...In the present study,we aimed to ascertain the metabolic detoxification routes of genipin via CYP3A4,SULT2 A1,and UGT1 A1 in Hepa RG cells.It was found that the hepatic CYP3A4,SULT2 A1,and UGT1 A1 synergistically mediated the metabolic detoxification of genipin,and the CYP3A4 was the limited enzyme.In detail,the pivotal detoxification pathway was CYP3A4-SULT2 A1/UGT1 A1,indicating that SULT2 A1 and UGT1 A1 further catalyzed the phase II detoxification metabolism followed by the genipin metabolization by CYP3A4 to the phase I metabolites with alleviated toxicity.Our findings provided valuable cues for future studies on the detoxification of genipin,even the compatibility detoxification of Zhi-zi.Moreover,these data facilitated the development and rational administration of genipin and Zhi-zi.展开更多
文摘[目的]阐明栀子水提浸膏中的化学成分并对主要成分进行定量分析,为栀子配方颗粒及其药效研究提供物质基础。[方法]用纯净水作为溶剂提取制备栀子水提浸膏,采用超高效液相高分辨质谱联用技术(ultra high performance liquid chromatography coupled with mass spectrometry,UHPLC-MS)对栀子水提浸膏主要化学成分进行分析,并采取高效液相色谱法(high performance liquid chromatography,HPLC)测定出栀子水提浸膏中主要成分栀子苷、京尼平1-β-D-龙胆双糖苷的含量。[结果]根据栀子中主要成分的裂解规律和质谱裂解碎片,栀子水提浸膏中共鉴定化合物16种,包括环烯醚萜类7种、有机酸类3种、黄酮类2种、其他类4种。选择其中两个主要成分栀子苷和京尼平1-β-D-龙胆双糖苷进行含量测定,结果显示栀子水提浸膏中栀子苷和京尼平1-β-D-龙胆双糖苷的平均含量分别为13.42%和4.88%。[结论]采用HPLC测定栀子水提浸膏中栀子苷和京尼平1-β-D-龙胆双糖苷含量,方法简便、效果稳定,为后续栀子配方颗粒的药效研究提供了物质基础。
文摘A new anthraquinone glycoside, emodin-1-O-β-gentiobioside 1, together with threeknown compounds, chrysophanol-1-O-β-gentiobioside 2, physcion-8-O-β-gentiobioside 3, andchrysophanol-1-O-β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-(1→6)-β-D-glucopyranoside4 was isolated from the seeds of Cassia obtusifolia. Its structure was elucidated on the basis ofspectroscopic evidence.
基金National Natural Science Foundation of China(Grant No.82174067,81960646 and 82004080)。
文摘In the present study,we aimed to ascertain the metabolic detoxification routes of genipin via CYP3A4,SULT2 A1,and UGT1 A1 in Hepa RG cells.It was found that the hepatic CYP3A4,SULT2 A1,and UGT1 A1 synergistically mediated the metabolic detoxification of genipin,and the CYP3A4 was the limited enzyme.In detail,the pivotal detoxification pathway was CYP3A4-SULT2 A1/UGT1 A1,indicating that SULT2 A1 and UGT1 A1 further catalyzed the phase II detoxification metabolism followed by the genipin metabolization by CYP3A4 to the phase I metabolites with alleviated toxicity.Our findings provided valuable cues for future studies on the detoxification of genipin,even the compatibility detoxification of Zhi-zi.Moreover,these data facilitated the development and rational administration of genipin and Zhi-zi.
