Quantification of Panax notoginseng saponins metabolites in rat plasma with in vivo gut microbiota-mediated biotransformation by HPLC-MS/MS.

abstract：AIM:To study the chemical constituents in the flowers and fruits of Rabdosia excisa. METHODS:The compounds were isolated and purified by silica gel column chromatography and their structures were identified by spectroscopic methods. RESULTS:Sixteen compounds isolated from the flowers and fruits of this plant were ide...

journal_title：Chinese journal of natural medicines

authors： Wu YX,Zhang W,Li JC,Liu N

更新日期：2012-01-01 00:00:00

abstract：AIM:To study the chemical constituents and bioactivity of the stem bark of Mitragyna diversifolia. METHOD:Compounds were isolated by various chromatographic methods. Their structures were elucidated on the basis of spectroscopic techniques (IR, UV, MS, and NMR), and they were evaluated for their cytotoxic activities b...

journal_title：Chinese journal of natural medicines

authors： Cao XF,Wang JS,Wang PR,Kong LY

更新日期：2014-08-01 00:00:00

abstract：:The present study was designed to synthesize 2-Cyano-3, 12-dioxooleana-1, 9(11)-en-28-oate-13β, 28-olide (1), a lactone derivative of oleanolic acid (OA) and evaluate its anti-inflammatory activity. Compound 1 significantly diminished nitric oxide (NO) production and down-regulated the mRNA expression of iNOS, COX-2, ...

journal_title：Chinese journal of natural medicines

authors： Mou Y,Jian YL,Chen T,Huang ZJ,Qiao YX,Peng SX,Zhang DY,Ji H,Zhang YH

更新日期：2017-05-01 00:00:00

abstract：:Contemporary pharmacological research has demonstrated that puerarin, the most important phytoestrogen extracted from Pueraria lobata(Willd.) Ohwi, has protecting functions on the cardiovascular system, nervous system, osteoporosis, liver injury, and inflammation in vivo and in vitro. Most of these research studies fo...

journal_title：Chinese journal of natural medicines

authors： Wei SY,Chen Y,Xu XY

更新日期：2014-06-01 00:00:00

abstract：:Diosgenin, a well-known steroid sapogenin derived from plants, has been used as a starting material for production of steroidal hormones. The present review will summarize published literature concerning pharmacological potential of diosgenin, and the underlying mechanisms of actions. Diosgenin has shown a vast range ...

journal_title：Chinese journal of natural medicines

authors： Chen Y,Tang YM,Yu SL,Han YW,Kou JP,Liu BL,Yu BY

更新日期：2015-08-01 00:00:00

abstract：:A new hexaketide acid esterified by the 17-hydroxyl group of 16,17-dihydroxycyclooctatin, namely 17-[16,17-dihydroxycyclooctatinyl]-hexaketide ester (1), a member of the group of rare bacterial diterpenes with a fused 5-8-5 ring system was isolated from strain Streptomyces sp. SR107. The structure was determined on th...

journal_title：Chinese journal of natural medicines

authors： Liu MY,Li SR,Chun-Hua LU

更新日期：2016-12-01 00:00:00

abstract：:This study engineered β-carotene ketolase CrtW and β-carotene hydroxylase CrtZ to improve biosynthesis of astaxanthin in Escherichia coli. Firstly, crtW was randomly mutated to increase CrtW activities on conversion from β-carotene to astaxanthin. A crtW* mutant with A6T, T105A and L239M mutations has improved 5.35-fo...

journal_title：Chinese journal of natural medicines

authors： Li D,Li Y,Xu JY,Li QY,Tang JL,Jia SR,Bi CH,Dai ZB,Zhu XN,Zhang XL

更新日期：2020-09-01 00:00:00

abstract：:In the present study, two new compounds from Ipomoea cairica were identified and demonstrated to have α-glucosidase inhibitory activity. They were isolated by column chromatography on silica gel and sephadex LH-20 and finally purified by prep-HPLC, with their structures being elucidated by spectroscopic methods, such ...

journal_title：Chinese journal of natural medicines

authors： Li JH,Pan JT,Yin YQ

更新日期：2016-03-01 00:00:00

abstract：:The probiotic Akkermansia muciniphila (A. muciniphila) is an intestinal bacterium that was first identified in human feces in 2004. Its specialization in mucin degradation makes it a key microorganism that maintains intestinal mucosal barrier function. As an unique representative strain of the phylum Verrucomicrobia t...

journal_title：Chinese journal of natural medicines

authors： Zhou JC,Zhang XW

更新日期：2019-11-01 00:00:00

abstract：:Sophorae Flavescentis Radix (Sophora flavescens Ait., SFR) and Sophorae Tonkinensis Radix et Rhizoma (S. tonkinensis Gapnep., STR) are two commonly used traditional Chinese medicines from Sophora (Leguminosae) plants, which are believed to possess similar bioactive components with entirely different clinical applicati...

journal_title：Chinese journal of natural medicines

authors： Ding PL,He CM,Cheng ZH,Chen DF

更新日期：2018-12-01 00:00:00

abstract：:The saponin ginsenoside Rk1 is a major compound isolated from ginseng. Ginsenoside Rk1 has been reported to have anti-inflammatory and anti-tumor properties and to be involved in the regulation of metabolism. However, the effect and mechanism of anti-inflammatory action of ginsenoside Rk1 has not been fully clarified....

journal_title：Chinese journal of natural medicines

authors： Yu Q,Zeng KW,Ma XL,Jiang Y,Tu PF,Wang XM

更新日期：2017-10-01 00:00:00

abstract：:Five new polyhydroxylated furostanol saponins were isolated from the roots and rhizomes of Tupistra chinensis, and their structures were determined as tupistrosides J-N (1-5), together with four known furostanol saponins (6-9), on the basis of physico-chemical properties and spectral analysis. Among them, compounds 3 ...

journal_title：Chinese journal of natural medicines

authors： Li YZ,Song B,Zheng XD,Huang WL,Zhang HW,Jiang Y,Yue ZG,Song XM,Liu JL

更新日期：2019-08-01 00:00:00

abstract：:Lonicerae Japonicae Flos (LJF), a kind of traditional Chinese medicines (TCMs), has functions of detoxifying and evacuating heat. In the study, a method based on ultra-high performance liquid chromatography coupled with linear ion trap-Orbitrap mass spectrometry (UHPLC-LTQ-Orbitrap MS) was developed for the chemical c...

journal_title：Chinese journal of natural medicines

authors： Liu ZH,Wang YQ,Mei XD,Wang F,Yang XZ,Li XD,Jiang F,Zhang JY

更新日期：2020-02-01 00:00:00

abstract：AIM:To study the chemical constituents of the fruits of Illicium henryi. METHOD:Chromatographic separations on silica gel, Sephadex LH-20 gel and MCI gel were used to isolate the compounds. The structures were elucidated based on extensive spectroscopic data analyses. RESULTS:Seven compounds were obtained and their s...

journal_title：Chinese journal of natural medicines

authors： Liu JF,Li HJ,Zhang JM,Wang LX,Wang YF,Liu MQ,Bi YF,Zhang YB

更新日期：2014-06-01 00:00:00

abstract：:In the present study, two new acetylene conjugate compounds, dibutyl (2Z, 6Z)-octa-2, 6-dien-4-yne dioate (1), and dibutyl (2E, 6E)- octa-2, 6-dien-4-yne dioate (2), were isolated from the dry stem leaves of Viscum album, along with nine known compounds (3 - 11). Their structures were confirmed on the basis of spectro...

journal_title：Chinese journal of natural medicines

authors： Cao D,Wang LQ,Han XM,Guan HR,Lei M,Wei YH,Cheng L,Yang PM,Sun ZL,Gao W,Dai JK

更新日期：2019-02-01 00:00:00

abstract：:A new γ-alkylated-γ-butyrolactone, named melongenolide A (1), along with nine known compounds were obtained from the roots of Solanum melongena, and their structures were identified as melongenolide A (1), (+)-syringaresinol (2), (+)-lyoniresinol (3), 5,5'-dimethoxy lariciresinol (4), (+)-(7R,8R)-4-hydroxy-3,3',5'-tri...

journal_title：Chinese journal of natural medicines

authors： Sun J,Huo HX,Huang Z,Zhang J,Li J,Tu PF

更新日期：2015-09-01 00:00:00

abstract：AIM:To investigate the effects of feeding phenylalanine (Phe) and tyrosine (Tyr) on the accumulation of total phenolic compounds and four phenylethanoid glycosides (PeGs) to a cell suspension culture of the parasitic plant Cistanche deserticola. METHOD:A cell suspension culture of C. deserticola was established and pr...

journal_title：Chinese journal of natural medicines

authors： Hu GS,Jia JM,Kim DH

更新日期：2014-05-01 00:00:00

abstract：:Atractylenolide III (ATL-III), a sesquiterpene compound isolated from Rhizoma Atractylodis Macrocephalae, has revealed a number of pharmacological properties including anti-inflammatory, anti-cancer activity, and neuroprotective effect. This study aimed to evaluate the cytoprotective efficiency and potential mechanism...

journal_title：Chinese journal of natural medicines

authors： Gong WX,Zhou YZ,Qin XM,DU GH

更新日期：2019-04-01 00:00:00

abstract：AIM:The current study was undertaken to assess anti-hyperlipidemic activity of Pistacia lentiscus fatty oil (PLFO) in rabbits following a hyperlipidemic diet. METHOD:Twenty healthy female (WNZ) rabbits were divided into four groups of five animals each: (a) normal control (NC group) receiving standard diet, (b) hyperl...

journal_title：Chinese journal of natural medicines

authors： Djerrou Z

更新日期：2014-08-01 00:00:00

abstract：:Twenty-one lignans including three new ones (1, 2 and 13) were isolated from Justicia procumbens. The chemical structures of the new lignans were determined by spectroscopic means including 1D and 2D NMR analysis. These compounds were evaluated for their cytotoxic and anti-HIV activities. The new secoisolariciresinol ...

journal_title：Chinese journal of natural medicines

authors： Xu XY,Wang DY,Ku CF,Zhao Y,Cheng H,Liu KL,Rong LJ,Zhang HJ

更新日期：2019-12-01 00:00:00

abstract：:In our previous study, we have elucidated the chemical profile of YGS40, a fraction of Yi-Gan San (YGS), used for the treatment of Alzheimer's disease (AD). Oxidative stress-induced apoptosis is implicated in neurodegenerative disorders such as AD. The aim of the present study was to explore the protective effects of ...

journal_title：Chinese journal of natural medicines

authors： Zhao YR,Qu W,Liu WY,Hong H,Feng F,Chen H,Xie N

更新日期：2015-06-01 00:00:00

abstract：:Ginsenoside Rh2 (Rh2) is one of the major bioactive ginsenosides in Panax ginseng. However, the oral bioavailability of Rh2 is low, with P-glycoprotein (P-gp) and CYP3A4 being reported to be the main factors. The purpose of the present study was to determine the enhancing effect of piperine on the oral bioavailability...

journal_title：Chinese journal of natural medicines

authors： Jin ZH,Qiu W,Liu H,Jiang XH,Wang L

更新日期：2018-02-01 00:00:00

abstract：:Isochlorogenic acid A (ICQA), which has anti-inflammatory, hepatoprotective, and antiviral properties, is commonly presented in fruits, vegetables, coffee, plant-based food products, and herbal medicines. These herbal medicines are usually used in combination with other medicines in the clinic. However, little is know...

journal_title：Chinese journal of natural medicines

authors： Wang J,Wang H,Peng Y,Wang GJ,Hao HP

更新日期：2016-11-01 00:00:00

abstract：AIM:To study the chemical constituents from the seeds of Griffonia simplicifolia Baill. METHODS:The chemical constituents were isolated and purified by a combination of chromatographic materials including silica gel, Sephadex LH-20, and preparative TLC. Their structures were elucidated on the basis of MS and NMR data ...

journal_title：Chinese journal of natural medicines

authors： Wang XZ,Wu FH,Qu W,Liang JY

更新日期：2013-07-01 00:00:00

abstract：:Traditional Chinese medicines (TCMs) are in great demand all over the world, especially in the developing world, for primary health care due to their superior merits such as low cost, minimal side effects, better cultural acceptability, and compatibility with humans. However, Chinese medicines consist of several herbs...

journal_title：Chinese journal of natural medicines

authors： Song XY,Li YD,Shi YP,Jin L,Chen J

更新日期：2013-11-01 00:00:00

abstract：AIM:To investigate the chemical constituents of the cultures of Laetiporus sulphureus (Bull.) Murrill. METHOD:Compounds were isolated and purified by various chromatographic techniques. The structure of the new compound was determined by interpretation of MS and 1D-, 2D-NMR spectroscopic data, while the known compound...

journal_title：Chinese journal of natural medicines

authors： Fan QY,Yin X,Li ZH,Li Y,Liu JK,Feng T,Zhao BH

更新日期：2014-09-01 00:00:00

abstract：:Tripolinolate A (TLA) is recently identified as a new compound from a halophyte plant Tripolium vulgare and has been shown to have significant in vitro activity against the proliferation of colorectal cancer and glioma cells. This study was designed to further investigate the effects of TLA on the proliferation of hum...

journal_title：Chinese journal of natural medicines

authors： Chen L,Wang WL,Song TF,Xie X,Ye XW,Liang Y,Huang HC,Yan SL,Lian XY,Zhang ZZ

更新日期：2017-08-01 00:00:00

abstract：:To investigate the non-alkaloidal chemical constituents of the stems and leaves of Melodinus suaveolens and their antibacterial activities. Compounds were isolated and purified by repeated silica gel, Sephadex LH-20, RP18, and preparative HPLC. Their structures were elucidated by comparison with published spectroscopi...

journal_title：Chinese journal of natural medicines

authors： Li JL,Lunga PK,Zhao YL,Qin XJ,Yang XW,Liu YP,Luo XD

更新日期：2015-04-01 00:00:00

abstract：:The aim of the study was to investigate the effects of Siwu decoction on hyperuricemia, kidney inflammation, and dysfunction in hyperuricemic mice. Siwu decoction at 363.8, 727.5, and 1 455 mg·kg(-1) was orally administered to potassium oxonate-induced hyperuricemic mice for 7 days. Serum urate, creatinine, and blood ...

journal_title：Chinese journal of natural medicines

authors： Wang R,Ma CH,Zhou F,Kong LD

更新日期：2016-07-01 00:00:00

abstract：:In the present report, we review the technical guidelines and principles on impurity research and control for antibiotics established by various agencies, including the International Conference of Harmonization (ICH), the US Food and Drug Administration (FDA), the European Medicines Agency (EMA) and the China Food and...

journal_title：Chinese journal of natural medicines

authors： Jiang Y,Xia JP,Yang JH,Zhang ZF,Hu CQ,Zhang ZR

更新日期：2015-07-01 00:00:00