Two new ursane-type nortriterpenes from Lonicera macranthoides and their iNOS-inhibitory activities.

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：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：: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：:The present study was designed to develop and validate a sensitive and reliable ultra high performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UPLC-QTOF/MS) method to separate and identify the chemical constituents of Qixue Shuangbu Tincture (QXSBT), a classic traditional Chines...

journal_title：Chinese journal of natural medicines

authors： Chen LW,Wang Q,Qin KM,Wang XL,Wang B,Chen DN,Cai BC,Cai T

更新日期：2016-02-01 00:00:00

abstract：:Novel series of limonin derivatives (V-A-1-V-A-8, V-B-1-V-B-8) were synthesized by adding various tertiary amines onto the C (7)-position of limonin. The synthesized compounds possessed favorable physicochemical property, and the intrinsic solubility of the novel compounds were significantly improved, compared with li...

journal_title：Chinese journal of natural medicines

authors： Wang SC,Yang Y,Liu J,Jiang AD,Chu ZX,Chen SY,Gong GQ,He GW,Xu YG,Zhu QH

更新日期：2018-03-01 00:00:00

abstract：:The present study was undertaken to evaluate the influence of the methanolic fruit extract of Momordica cymbalaria (MFMC) on PPARγ (Peroxisome Proliferator Activated Receptor gamma) and GLUT-4 (Glucose transporter-4) with respect to glucose transport. Various concentrations of MFMC ranging from 62.5 to 500 μg·mL(-1) w...

journal_title：Chinese journal of natural medicines

authors： Kumar PM,Venkataranganna MV,Manjunath K,Viswanatha GL,Ashok G

更新日期：2014-12-01 00:00:00

abstract：:Neokotalanol, a potent α-glucosidase inhibitor isolated from Salacia reticulata, was synthesized through a key coupling reaction between a perbenzylated thiosugar and an appropriately protected perseitol triflate derived from D-mannose. This key step was found to be quite temperature dependent, and a simultaneous cycl...

journal_title：Chinese journal of natural medicines

authors： Xie WJ,Tanabe G,Tsutsui N,Wu XM,Muraoka O

更新日期：2013-11-01 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：:The novel coronavirus pneumonia broke out in 2019 and spread rapidly. In 30 different countries, there are over seventy thousand patients have been diagnosed in total. Therefore, it is urgent to develop the effective program to prevent and treat for the novel coronavirus pneumonia. In view of Traditional Chinese Medic...

journal_title：Chinese journal of natural medicines

authors： DU HZ,Hou XY,Miao YH,Huang BS,Liu DH

更新日期：2020-03-01 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

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：: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：: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：: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：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：: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：:Considering that high levels of nitric oxide (NO) exert anti-cancer effect and the derivatives of oleanolic acid (OA) have shown potent anti-cancer activity, new O2-vinyl diazeniumdiolate-based NO releasing derivatives (5a-l, 11a-l) of OA were designed, synthesized, and biologically evaluated in the present study. The...

journal_title：Chinese journal of natural medicines

authors： Zou Y,Yan C,Liu JC,Huang ZJ,Xu JY,Zhou JP,Zhang HB,Zhang YH

更新日期：2017-12-01 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：: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：:Atherosclerosis (AS) is a chronic inflammatory disease, the main causes of which include abnormal lipid metabolism, endothelial injury, physical and chemical injury, hemodynamic injury, genetic factors and so on. These causes can lead to inflammatory injury of blood vessels and local dysfunction. Bunao-Fuyuan decoctio...

journal_title：Chinese journal of natural medicines

authors： Guo HY,Lu ZY,Zhao B,Jiang WW,Xiong YH,Wang K

更新日期：2021-01-01 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：:Si-Miao-Wan (SMW), a tradiational Chinese medicinal formula consisting of Atractylodis Rhizoma, Phellodendri Chinensis Cortex, Coicis Semen, and Achyranthis Bidentatae Radix, has been used for the treatment of gout and gouty arthritis for many years. In the present study, a liquid chromatography quadrupole-time-of-fli...

journal_title：Chinese journal of natural medicines

authors： Lu JJ,Hu XW,Li P,Chen J

更新日期：2017-07-01 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：:Penicildiones A-D (1-4), four new steroids derivatives together with three known compounds including 16α-methylpregna-17α,19-dihydroxy-(9,11)-epoxy-4-ene-3,18-dione-20-acetoxy (5), stachybotrylactone B (6) and stachybotrin (7) were isolated from the soft coral-derived fungus Penicillium sp. SCSIO41201, cultured in the...

journal_title：Chinese journal of natural medicines

authors： Long JY,Wang JF,Liao SR,Lin XP,Zhou XF,Li YQ,Yang B,Liu YH

更新日期：2020-04-01 00:00:00

abstract：:The anti-bacterial activities of three types of di-O-caffeoylquinic acids (diCQAs) in Lonicera japonica flowers, a traditional Chinese medicine (TCM), on Bacillus shigae growth were investigated and compared by microcalorimetry. The three types of diCQAs were 3, 4-di-O-caffeoylquinic acid (3, 4-diCQA), 3, 5-di-O-caffe...

journal_title：Chinese journal of natural medicines

authors： Han J,Lv QY,Jin SY,Zhang TT,Jin SX,Li XY,Yuan HL

更新日期：2014-02-01 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：:Dendrobium, orchid, is a traditional Chinese herb medicine applied extensively as tonic and precious food for thou-sands of years recorded in ancient Chinese medical book "Shen Nong's Materia Medica". It's well known that bioactivities are usually related to the ingredients' basis. Based on the previous research, Dend...

journal_title：Chinese journal of natural medicines

authors： Yue H,Zeng H,Ding K

更新日期：2020-01-01 00:00:00

abstract：:The phytochemical progress on Angelica sinensis (Oliv.) Diels over the past decades is summarized. Since 1970s, 165 chemical constituents, including phthalides, phenylpropanoids, terpenoids and essential oils, aromatic compounds, alkaloids, alkynes, sterols, fatty acids, and polysaccharides have been isolated or detec...

journal_title：Chinese journal of natural medicines

authors： Ma JP,Guo ZB,Jin L,Li YD

更新日期：2015-04-01 00:00:00

abstract：AIM:The compound B19 (C21H22O5) is a newly synthesized, mono-carbonyl analog of curcumin that has exhibited potential antitumor effects. This present study was performed to identify the anti-angiogenic activity of this compound. METHODS AND RESULTS:B19 inhibited migration and tube formation of human umbilical vein end...

journal_title：Chinese journal of natural medicines

authors： Sun L,Liu J,Lin SS,Shi WT,Zhu J,Liang G,Yuan ST

更新日期：2014-01-01 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