Difficulties in research of Chinese medicine polysaccharides.

abstract：:A new ursane-type triterpenoid saponin, 2α,3α,24-trihydroxyurs-12,20(30)-dien-28-oic acid β-D-glucopyranosyl ester (1), together with six known triterpenoid saponins, was isolated and characterized from the aerial parts of Clematoclethra scandens subsp. actinidioides. ...

journal_title：Chinese journal of natural medicines

authors： Xiao SJ,Chen F,Ding LS,Zhou Y

更新日期：2015-01-01 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：:Polysaccharide from traditional Chinese herb, Saposhnikovia divaricata (Turcz.) Schischk. (SD) was extracted, fractionated and characterized in this work. Four fractions were prepared. Their molecular weight, monosaccharide compositions, linkage modes and structural properties were characterized with SEC-MALS-RI, HPAE...

journal_title：Chinese journal of natural medicines

authors： Meng Y,Yi L,Chen L,Hao J,Li DX,Xue J,Xu NY,Zhang ZQ

更新日期：2019-10-01 00:00:00

abstract：:Current study systematically investigated the interaction of two alkaloids, anisodine and monocrotaline, with organic cation transporter OCT1, 2, 3, MATE1 and MATE2-K by using in vitro stably transfected HEK293 cells. Both anisodine and monocrotaline inhibited the OCTs and MATE transporters. The lowest IC50 was 12.9 µ...

journal_title：Chinese journal of natural medicines

authors： Chen JY,Brockmöller J,Tzvetkov MV,Wang LJ,Chen XJ

更新日期：2019-07-01 00:00:00

abstract：:Garcinia, a kind of dry resin secreted by Garcinia hanburyi Hook. F. G., is a traditional Chinese medicine with various biological functions such as detoxification, anti-inflammatory, and anthelmintic activities. Recent studies suggest that garcinia has potential anticancer activity. Increasing evidences indicate that...

journal_title：Chinese journal of natural medicines

authors： Sun R,Zhang HM,Chen BA

更新日期：2018-09-01 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：AIM:The most important side effect of methotrexate (MTX) is mucositis. The purpose of this study was to evaluate the effect of turmeric extract on intestinal damage and oxidative stress in rats receiving methotrexate. METHODS:Experiments were performed on male Wistar albino rats divided into six groups. First group re...

journal_title：Chinese journal of natural medicines

authors： Moghadam AR,Mohajeri D,Namvaran-Abbas-Abad A,Manafi H,Shahi D,Mazani M

更新日期：2013-09-01 00:00:00

abstract：:The stem of Cynomorium songaricum is a traditional Chinese medicine reputed to have tonic effects. C. coccineum growing in northern Africa and the Mediterranean region is regarded in Arabian medical practice as the "treasure of drugs". The major constituents of Cynomorium plants have been revealed to be phenolic compo...

journal_title：Chinese journal of natural medicines

authors： Meng HC,Wang S,Li Y,Kuang YY,Ma CM

更新日期：2013-07-01 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：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：:Hybanthus enneaspermus (L.) F. Muell belonging to the family Violaceae, popularly known as Ratanpurus (Hindi) is a herb or a shrub distributed in the tropical and subtropical regions of the world. In the Ayurvedic literature, the plant is reported to cure conditions of "Kapha" and "Pitta", urinary calculi, strangury, ...

journal_title：Chinese journal of natural medicines

authors： Patel DK,Kumar R,Sairam K,Hemalatha S

更新日期：2013-05-01 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：: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：:D-Glycero-D-mannno-heptose 1β, 7-bisphosphate (HBPβ) is an important intermediate for constructing the core structure of Gram-negative bacterial lipopolysaccharides and was reported as a pathogen-associated molecular pattern (PAMP) that regulates immune responses. HBPβ with 3-O-amyl amine linker and its monophosphate ...

journal_title：Chinese journal of natural medicines

authors： Zou XP,Qin CJ,Hu J,Fu JJ,Tian GZ,Moscovitz O,Seeberger PH,Yin J

更新日期：2020-08-01 00:00:00

abstract：:The present study aimed to establish a pharmacodynamic method using the pySolo software to explore the influence of freeze-dried powders of Shuangxia Decoction (SXD) on the sleep of normal Drosophila melanogaster and the Drosophila melanogaster whose sleep was divested by light. The dose-effect and the time-effect rel...

journal_title：Chinese journal of natural medicines

authors： Zhang ZQ,Degejin,Geng D,Zhang Q,Tian Y,Xi Y,Wang WQ,Tang HQ,Xu B,Lin HY,Sun YK

更新日期：2016-09-01 00:00:00

abstract：:Guanxinshutong capsule (GXSTC) is an effective and safe traditional Chinese medicine used in the treatment of cardiovascular diseases (CVDs) for many years. However, the targets of this herbal formula and the underlying molecular mechanisms of action involved in the treatment of CVDs are still unclear. In the present ...

journal_title：Chinese journal of natural medicines

authors： Liu F,DU X,Liu PR,Sun YH,Zhang YM

更新日期：2018-04-01 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：AIM:To study the chemical constituents of the solid culture of the endophyte Phomopsis sp. IFB-E060 in Vatica mangachapoi. METHOD:Isolation and purification were performed through silica gel column chromatography, gel filtration over Sephadex LH-20, ODS column chromatography, and HPLC. Structures of the isolated compo...

journal_title：Chinese journal of natural medicines

authors： Shen L,Luo Q,Shen ZP,Li LY,Zhang XJ,Wei ZQ,Fu Y,Song YC,Tan RX

更新日期：2014-07-01 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：:Radix Adenophorae, a traditional Chinese medicine, has been reported to have a variety of biological functions. In the present study, a polysaccharide component, Radix Adenophorae Polysaccharide (RAPS), was purified from Radix Adenophorae by decoloring with ADS-7 macroporous adsorption resin, DEAE-52 cellulose ion-exc...

journal_title：Chinese journal of natural medicines

authors： Li JW,Liu Y,Li BH,Wang YY,Wang H,Zhou CL

更新日期：2016-05-01 00:00:00

abstract：:It is hypothesized that protease inhibitors play an essential role in survival of venomous animals through protecting peptide/protein toxins from degradation by proteases in their prey or predators. However, the biological function of protease inhibitors in scorpion venoms remains unknown. In the present study, a tryp...

journal_title：Chinese journal of natural medicines

authors： Ma H,Xiao-Peng T,Yang SL,Lu QM,Lai R

更新日期：2016-08-01 00:00:00

abstract：:Three new phenazine-type compounds, named phenazines SA-SC (1-3), together with four new natural products (4-7), were isolated from the fermentation broth of an earwig-associated Streptomyces sp. NA04227. The structures of these compounds were determined by extensive analyses of NMR, high resolution mass spectroscopic...

journal_title：Chinese journal of natural medicines

authors： Han H,Guo ZK,Zhang B,Zhang M,Shi J,Li W,Jiao RH,Tan RX,Ge HM

更新日期：2019-06-01 00:00:00

abstract：AIM:To study the chemical constituents of the aerial parts of Cirsium setosum (Willd.) MB.. METHODS:The chemical constituents were isolated and purified by various chromatographic techniques. Their structures were determined on the basis of physical properties and spectroscopic data. RESULTS:A new megastigmane glycos...

journal_title：Chinese journal of natural medicines

authors： Jiang H,Meng YH,Yang L,Wang QH,Yang BY,Liu C,Kuang HX

更新日期：2013-09-01 00:00:00

abstract：:Inflammation is recently recognized as one of the hallmarks of human cancer. Chronic inflammatory response plays a critical role in cancer development, progression, metastasis, and resistance to chemotherapy. Conversely, the oncogenic aberrations also generate an inflammatory microenvironment, enabling the development...

journal_title：Chinese journal of natural medicines

authors： Qin J,Wang W,Zhang R

更新日期：2017-06-01 00:00:00

abstract：:Taurochenodeoxycholic acid (TCDCA) is one of the main effective components of bile acid, playing critical roles in apoptosis and immune responses through the TGR5 receptor. In this study, we reveal the interaction between TCDCA and TGR5 receptor in TGR5-knockdown H1299 cells and the regulation of inflammation via the ...

journal_title：Chinese journal of natural medicines

authors： Qi YC,Duan GZ,Mao W,Liu Q,Zhang YL,Li PF

更新日期：2020-12-01 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：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：: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：:The present study carried out a phytochemical investigation of the methanol extract of the branches and leaves of Clausena lansium and afforded nine carbazole alkaloids (compounds 1-9) including two new carbazole alkaloids, claulansiums A and B (compounds 1 and 2). The new compounds were elucidated on the basis of ext...

journal_title：Chinese journal of natural medicines

authors： Peng WW,Zheng LX,Ji CJ,Shi XG,Xiong ZH,Shangguan XC

更新日期：2018-07-01 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