Tareciliosides N-S: further cycloartane saponins from the leaves of Tarenna gracilipes, and cytotoxicity of saponins and triterpenes.

abstract：:Advanced glycation end-products (AGEs) are associated with a non-enzymatic reaction between the amino group of a protein and the carbonyl group of a sugar during hyperglycemia. The precipitation of AGEs in different tissues leads to many complications, such as endothelial dysfunction, cardiovascular complications, ath...

journal_title：Journal of natural medicines

authors： Abdallah HM,El-Bassossy HM,Mohamed GA,El-Halawany AM,Alshali KZ,Banjar ZM

更新日期：2017-01-01 00:00:00

abstract：:Penta-O-galloyl-D-glucose (PGG) is a simple hydrolysable tannin in plants. PGG exists in two anomeric forms, α-PGG and β-PGG. While β-PGG can be found in a wide variety of plants, α-PGG is rather rare in nature. Numerous studies with β-PGG revealed a wide variety of biological activities, such as anti-microbial and an...

journal_title：Journal of natural medicines

authors： Cao Y,Himmeldirk KB,Qian Y,Ren Y,Malki A,Chen X

更新日期：2014-07-01 00:00:00

abstract：:Picrasma javanica Blume (Simaroubaceae) is a medium-sized tree that is distributed widely in tropical Asia. In our previous study, we isolated quassinoids from P. javanica bark collected in Myanmar, and reported their antiproliferative activities. In our ongoing research for the discovery of bioactive compounds from M...

journal_title：Journal of natural medicines

authors： Prema,Wong CP,Nugroho AE,Awouafack MD,Win YY,Win NN,Ngwe H,Morita H,Morita H

更新日期：2019-06-01 00:00:00

abstract：:We screened water and methanol extracts of 28 Indonesian medicinal plants for their protein tyrosine phosphatase 1B (PTP1B) inhibitory activities. Nine water extracts, i.e., Alstonia scholaris leaf, Blumea balsamifera, Cinnamomum burmannii, Cymbopogon nardus, Melaleuca leucadendra, Phyllanthus niruri, Piper nigrum, Sy...

journal_title：Journal of natural medicines

authors： Saifudin A,Kadota S,Tezuka Y

更新日期：2013-04-01 00:00:00

abstract：:It is generally accepted that fungi have a number of dormant gene clusters for the synthesis of secondary metabolites, and the activation of these gene clusters can expand the diversity of secondary metabolites in culture. Recent studies have revealed that the mycolic acid-containing bacterium Tsukamurella pulmonis ac...

journal_title：Journal of natural medicines

authors： Jomori T,Hara Y,Sasaoka M,Harada K,Setiawan A,Hirata K,Kimishima A,Arai M

更新日期：2020-01-01 00:00:00

abstract：:Eurycomanone, an active constituent isolated from Eurycoma longifolia Jack, was examined for modulatory effects on cytochrome P450 (CYP) isoforms CYP1A2, CYP2A6, CYP2C8, CYP2C9, CYP2C19, CYP2E1 and CYP3A4 using in vitro assays. The IC50 value was determined to assess the potencies of modulation for each CYP isoform. O...

journal_title：Journal of natural medicines

authors： Pan Y,Tiong KH,Abd-Rashid BA,Ismail Z,Ismail R,Mak JW,Ong CE

更新日期：2014-04-01 00:00:00

abstract：:The hydroalcoholic extract of fruits of Ziziphus jujuba (ZJ) was investigated for its anti-inflammatory effect using acute and chronic models of inflammation in rat. Wistar albino rats of either sex were employed in the present study (n = 6). Acute inflammation was induced by subplantar administration of carrageenan (...

journal_title：Journal of natural medicines

authors： Goyal R,Sharma PL,Singh M

更新日期：2011-07-01 00:00:00

abstract：:The purpose of the present study was to investigate the protective effects of combined therapy of garlic homogenate and hydrochlorothiazide (HCTZ) in animals with hypertension and myocardial damage. Three weeks of high fructose (10% w/v) in fluid to albino rats resulted in hypertension. They were subsequently administ...

journal_title：Journal of natural medicines

authors： Asdaq SM,Inamdar MN

更新日期：2011-01-01 00:00:00

abstract：:Although Radix Angelicae dahuricae (Angelica) has been traditionally used in patients with rheumatism arthralgia, its bioactive ingredients remain to be determined. In this study, the essential oil extract of Radix Angelicae dahuricae (EOAD) was assessed for its anti-inflammatory activities against xylene-induced acut...

journal_title：Journal of natural medicines

authors： Wang C,Sun J,Li H,Yang X,Liu H,Chen J

更新日期：2016-07-01 00:00:00

abstract：:Five new coumarins, (+)-peujaponisin (1) and multivittans A-D (2-5), were isolated from the roots of Ligusticum multivittatum Franch., and their structures were established by spectral means. ...

journal_title：Journal of natural medicines

authors： Kondo T,Taniguchi M,Shibano M,Wang NH,Baba K

更新日期：2008-01-01 00:00:00

abstract：:We investigated the cytotoxicity of six neolignans (1-6), which are similar in structure to furanocyclohexenone with an angular allyl group, in human neuroblastoma cell lines (IMR-32, LA-N-1, NB-39, SK-N-SH) and normal cells [human umbilical vein endothelial cells (HUVEC) and human dermal fibroblasts (HDF)] using a 3-...

journal_title：Journal of natural medicines

authors： Hayama T,Tabata K,Uchiyama T,Fujimoto Y,Suzuki T

更新日期：2011-07-01 00:00:00

abstract：:Aconitum vilmorinianum Komarov is a local medicinal plant used in many well-known clinical preparations to treat rheumatism and pains in Yunnan Province, China. Phytochemical examination of the roots of A. vilmorinianum led to the isolation of three novel imine-type norditerpenoid alkaloids named vilmorrianines E-G (1...

journal_title：Journal of natural medicines

authors： Chen CL,Tan WH,Wang Y,Xue ZG,Wan CP,Yang ZY,Zhou ZH,Ma XX

更新日期：2015-10-01 00:00:00

abstract：:Solvent partitioning followed by column chromatography of the MeOH extract of the seeds of Swietenia mahagoni afforded two limonoids, swietenolide (1) and 2-hydroxy-3-O-tigloylswietenolide (2). The compounds were identified by spectroscopic means. The antibacterial activity of these compounds was assessed against eigh...

journal_title：Journal of natural medicines

authors： Rahman AK,Chowdhury AK,Ali HA,Raihan SZ,Ali MS,Nahar L,Sarker SD

更新日期：2009-01-01 00:00:00

abstract：:The core of solid tumors is characterized by hypoxia and a nutrient-starved microenvironment and has gained much attention as targets of anti-cancer drugs. In the course of search for selective growth inhibitors against the cancer cells adapted to nutrient starvation, epidithiodiketopiperazine DC1149B (1) together wit...

journal_title：Journal of natural medicines

authors： Tang R,Kimishima A,Ishida R,Setiawan A,Arai M

更新日期：2020-01-01 00:00:00

abstract：:In a previous study, we found that both synthetic 3-O-methylquercetin (3MQ) and 3,4',7-O-trimethylquercetin (34'7TMQ) increased extracellular melanin content. 34'7TMQ increased the activity of melanogenic enzymes by stimulating the p38 pathway and the expression of microphthalmia-associated transcription factor (MITF)...

journal_title：Journal of natural medicines

authors： Yamauchi K,Mitsunaga T

更新日期：2018-03-01 00:00:00

abstract：:Three new compounds, (3S)-dihydrobonducellin 8-O-β-D-glucopyranoside (1), 3',5'-dimethoxy-jezonolid (2), and latisilinoid (3), along with 16 known compounds, were isolated from the twigs of Caesalpinia latisiliqua (Leguminosae). The known compounds were identified as flavonoids, stilbenes, and phenolics as determined ...

journal_title：Journal of natural medicines

authors： Oh M,Park S,Song JH,Ko HJ,Kim SH

更新日期：2020-01-01 00:00:00

abstract：:Several studies have indicated the involvement of oxidative stress and high glucose-induced cell death in the development of diabetic neuropathy. Satureja khuzestanica has been recommended in the literature as a remedy for the treatment of diabetes, and also contains antioxidant agents. Here, we investigated the possi...

journal_title：Journal of natural medicines

authors： Kaeidi A,Esmaeili-Mahani S,Abbasnejad M,Sheibani V,Rasoulian B,Hajializadeh Z,Pasban-Aliabadi H

更新日期：2013-01-01 00:00:00

abstract：:Two novel monoterpenes, sibiscolacton (1) and sibiraic acid (2), were isolated from the aerial part of Sibiraea angustata RCHD: . along with seven known compounds, namely three phenylpropanoids (3-5), two flavonoids (6,7), one glucityl ferulate (8, sibirate), and a monoterpene glucoside (9, sibiskoside). The structure...

journal_title：Journal of natural medicines

authors： Li B,Lee JB,Hayashi K,Ito Y,Sun WJ,Wang X,Kano Y,Hayashi T

更新日期：2010-01-01 00:00:00

abstract：:A new diterpenoid was isolated from the leaves of Clerodendron trichotomumThunb. (Verbenaceae) along with one each of a known diterpenoid, phenylethanoid glycoside, and sterol and two known flavonoids. Their chemical structures were characterized on the basis of spectroscopic data and X-ray analysis. In addition, thei...

journal_title：Journal of natural medicines

authors： Ono M,Furusawa C,Matsumura K,Noguchi S,Yasuda S,Okawa M,Kinjo J,Eto M,Yamaguchi K,Yoshimitsu H,Nohara T

更新日期：2013-04-01 00:00:00

abstract：:Two new phenanthrene and 9, 10-dihydrophenanthrene derivatives (1-2) with six known congeners (3-8) were isolated from the extraction of stems of Dendrobium officinale. Compounds 1 and 2 were based on carbon skeleton in which phenanthrene and 9, 10-dihydrophenanthrene moiety were linked with a phenylpropane unit throu...

journal_title：Journal of natural medicines

authors： Zhao GY,Deng BW,Zhang CY,Cui YD,Bi JY,Zhang GG

更新日期：2018-01-01 00:00:00

abstract：:Five new compounds, rigenolides D-H (1-5), were isolated from the aerial parts of Gentiana rigescens Franch. Their structures were assigned by detailed spectroscopic analyses and chemical conversions. Rigenolides D (1) and E (2) were elucidated to be a secoiridoid and a norsecoiridoid, respectively, possessing a dieno...

journal_title：Journal of natural medicines

authors： Suyama Y,Tanaka N,Kawazoe K,Murakami K,Li SL,Sun HD,Kashiwada Y

更新日期：2018-03-01 00:00:00

abstract：:Autophagy is a catabolic process for degradation of intracellular components and plays an important role in the development and growth of cancer. Our preliminary screening confirmed that an extract from the root of Saussurea lappa remarkably suppressed the proliferation of HepG2 hepatocellular carcinoma cells and inhi...

journal_title：Journal of natural medicines

authors： Okubo S,Ohta T,Fujita H,Shoyama Y,Uto T

更新日期：2021-01-01 00:00:00

abstract：:The hypolipidemic activity of Symplocos cochinchinensis S. Moore leaves was studied in Triton WR-1339- and high fat diet-induced hyperlipidemic rats. In Triton WR-1339-induced hyperlipidemic rats, the hexane extract (250 and 500 mg/kg) exerted a significant (P < 0.01) lipid-lowering effect compared to ethyl acetate an...

journal_title：Journal of natural medicines

authors： Sunil C,Ignacimuthu S,Kumarappan C

更新日期：2012-01-01 00:00:00

abstract：:A new pyrrolidine derivative, (5S)-hydroxyethyl 2-oxopyrrolidine-5-carboxylate (1), a new flavonol glycoside, tamaraxetin 3,7-di-O-α-L-rhamnopyranoside (2), and a new triterpene saponin, polyscioside A methyl ester (3), along with six known compounds (4-9) were isolated from the leaves of Polyscias balfouriana. Their ...

journal_title：Journal of natural medicines

authors： Sugimoto S,Yamano Y,Khalil HE,Otsuka H,Kamel MS,Matsunami K

更新日期：2017-07-01 00:00:00

abstract：:Taxol is produced by a few microorganisms and plants such as yew (Taxus sp.). Recent researches have shown that hazel (Corylus avellana L.) is also able to produce Taxol. In the present study, effects of different concentrations of phenylalanine (Phe) on the production of Taxol, antioxidant activity, and cytotoxic eff...

journal_title：Journal of natural medicines

authors： Bemani E,Ghanati F,Rezaei A,Jamshidi M

更新日期：2013-07-01 00:00:00

abstract：:The article Comparison of glycyrrhizin content in 25 major kinds of Kampo extracts containing Glycyrrhizae Radix used clinically in Japan, written by Mitsuhiko Nose, Momoka Tada, Rika Kojima, Kumiko Nagata, Shinsuke Hisaka, Sayaka Masada, Masato Homma and Takashi Hakamatsuka, was originally published Online First with...

journal_title：Journal of natural medicines

authors： Nose M,Tada M,Kojima R,Nagata K,Hisaka S,Masada S,Homma M,Hakamatsuka T

更新日期：2018-03-01 00:00:00

abstract：:Eight new furostanol glycosides (1-8), together with two known ones (9 and 10), have been isolated from a glycoside-enriched fraction prepared from the rhizomes of Helleborus orientalis (Ranunculaceae). The structures of 1-8 were determined on the basis of extensive spectroscopic analysis, including 2D NMR, and the re...

journal_title：Journal of natural medicines

authors： Mimaki Y,Matsuo Y,Watanabe K,Sakagami H

更新日期：2010-10-01 00:00:00

abstract：:A new indole alkaloid, leucoridine A N-oxide (1), consisting of two units of a strychnan type of skeleton, was isolated from the leaves of Leuconotis griffithii. Its structure was elucidated by various spectroscopic means such as NMR and MS, and also by chemical means. Antiplasmodial activity against Plasmodium falcip...

journal_title：Journal of natural medicines

authors： Nugroho AE,Hirasawa Y,Piow WC,Kaneda T,Hadi AH,Shirota O,Ekasari W,Widyawaruyanti A,Morita H

更新日期：2012-04-01 00:00:00

abstract：:Aloperine (ALO), one of the alkaloids isolated from Sophora alopecuroides L., is traditionally used for various diseases including neuronal disorders. This study investigated the protective effects of ALO on neonatal rat primary-cultured hippocampal neurons injured by oxygen-glucose deprivation and reperfusion (OGD/RP...

journal_title：Journal of natural medicines

authors： Ma NT,Zhou R,Chang RY,Hao YJ,Ma L,Jin SJ,Du J,Zheng J,Zhao CJ,Niu Y,Sun T,Li W,Koike K,Yu JQ,Li YX

更新日期：2015-10-01 00:00:00

abstract：:Bioassay-guided fractionation led to the isolation of six new flavonol glycosides, floramanosides A (1), B (2), C (3), D (4), E (5), and F (6), from the flowers of Abelmouschus manihot. Their structures were elucidated by chemical and spectroscopic methods (UV, IR, HRESI-TOF-MS, 1D- and 2D-NMR). Activity screening res...

journal_title：Journal of natural medicines

authors： Zhang Y,He W,Li C,Chen Q,Han L,Liu E,Wang T

更新日期：2013-01-01 00:00:00