Two new monoterpenes from Sibiraea angustata.

abstract：:Human immunodeficiency virus type 1 (HIV-1) reverse transcriptase (RT) possesses two distinct enzymatic activities: those of RNA- and DNA-dependent DNA polymerases and RNase H. In the current HIV-1 therapy, all HIV-1 RT inhibitors inhibit the activity of DNA polymerase, but not that of RNase H. We previously reported ...

journal_title：Journal of natural medicines

authors： Hisayoshi T,Shinomura M,Yokokawa K,Kuze I,Konishi A,Kawaji K,Kodama EN,Hata K,Takahashi S,Nirasawa S,Sakuda S,Yasukawa K

更新日期：2015-07-01 00:00:00

abstract：:Four hydrolyzable tannins [oenothein B (1), eugeniflorin D(2) (2), and tellimagrandins I (3) and II (4)], two related polyphenolic compounds [gallic acid (5) and quinic acid 3,5-di-O-gallate (6)], and four myricetin glycosides [myricetins 3-O-beta-D-xyloside (7), 3-O-beta-D-galactoside (8), 3-O-beta-D-galactoside 6''-...

journal_title：Journal of natural medicines

authors： Yoshimura M,Amakura Y,Tokuhara M,Yoshida T

更新日期：2008-07-01 00:00:00

abstract：:Poria, a dried sclerotium of Wolfiporia cocos Ryvarden et Gilbertson (Polyporaceae) has been used as a crude drug in both Chinese and Japanese (Kampo) traditional medicines. Recently, cultivated products of Chinese Poria strains have accounted for most of the market, while the cultivation of Ja...

journal_title：Journal of natural medicines

authors： Kobira S,Atsumi T,Kakiuchi N,Mikage M

更新日期：2012-07-01 00:00:00

abstract：:In this study, we analyzed the CYP3A inhibitory components of star fruit Averrhoa carambola L., using liquid chromatography-mass spectrometry (LC-MS). The stereoisomer of procyanidin B1 and B2 and/or the trimer consisting of catechin and/or epicatechin were suggested to be potent inhibitory components. ...

journal_title：Journal of natural medicines

authors： Hosoi S,Shimizu E,Arimori K,Okumura M,Hidaka M,Yamada M,Sakushima A

更新日期：2008-07-01 00:00:00

abstract：:The evaluation of the antioxidant, anti-secretory and anti-inflammatory potentials of the ethyl acetate fraction (ELC) from the root bark of Lycium chinense against ethanol-induced gastric ulcer in mice and the possible mechanisms underlying this action was performed. The results indicated that oral administration of ...

journal_title：Journal of natural medicines

authors： Chen H,Olatunji OJ,Zhou Y

更新日期：2016-07-01 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 binding properties of recombinant antibody fragments, such as affinity and specificity, determine their usefulness for therapeutic and analytical applications. Anti-paclitaxel single-chain variable fragment clone 1C2 (anti-PT scFv1C2) was expressed using Escherichia coli cell and Bombyx mori larvae expression syst...

journal_title：Journal of natural medicines

authors： Yusakul G,Sakamoto S,Nuntawong P,Tanaka H,Morimoto S

更新日期：2018-01-01 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：:Atherosclerosis is a major cause of coronary heart disease. As a result of the development of atherosclerotic lesions, the walls of blood vessels become thicker and inhibit blood circulation. Atherosclerosis is caused by a high-fat diet and vascular injury. Chronic arterial inflammation plays an important role in the ...

journal_title：Journal of natural medicines

authors： Ham YM,Song HS,Kwon JE,Jeon H,Baek HJ,Kim CW,Yoon WJ,Choung ES,Kang SC

更新日期：2019-01-01 00:00:00

abstract：:We have previously shown that the two sesquiterpene lactones, salograviolide A (Sal A) and iso-seco-tanapartholide (TNP), isolated from the Middle Eastern indigenous plants Centaurea ainetensis and Achillea falcata, respectively, possess selective antitumor properties. Here, we aimed to assess the anticancer effects o...

journal_title：Journal of natural medicines

authors： Salla M,Fakhoury I,Saliba N,Darwiche N,Gali-Muhtasib H

更新日期：2013-07-01 00:00:00

abstract：:Crude extract of Juniperus excelsa (JeExt), which tested positive for the presence of anthraquinone, flavonoids, saponins, sterols, terpenes and tannin, exhibited a protective effect against castor oil-induced diarrhoea in mice at 100-1000 mg/kg. In rabbit jejunum preparations, JeExt (0.01-1.0 mg/mL) caused relaxation...

journal_title：Journal of natural medicines

authors： Khan M,Khan AU,Najeeb-ur-Rehman,Gilani AH

更新日期：2012-04-01 00:00:00

abstract：:The predominant feature of type 2 diabetes is insulin resistance. Identifying a drug able to reduce insulin resistance is an urgent requirement. ent-3α-Formylabieta-8(14),13(15)-dien-16,12β-olide had been identified as a new diterpene derivative which showed anticancer activity. This study explores the hypoglycemic ef...

journal_title：Journal of natural medicines

authors： Hou P,Qu Y,Liao Z,Zhao S,Feng Y,Zhang J

更新日期：2020-03-01 00:00:00

abstract：:In recent years, Spirulina has gained more and more attention from medical scientists as a nutraceutical and a source of potential pharmaceuticals. The present study was conducted to elucidate the immunomodulatory effect of Spirulina fusiformis (a cyanobacterium of the family Oscillatoriaceae) in vivo and in vitro. Th...

journal_title：Journal of natural medicines

authors： Rasool M,Sabina EP

更新日期：2009-04-01 00:00:00

abstract：:Euphorbia hirta L. has been widely used in India and Chinese society. The molecular pharmacology basis of its anti-inflammatory effect is revealed in this work. The ethanol extract of Euphorbia hirta L. (Eh) and its active component were studied in lipopolysaccharide (LPS)-activated macrophage cells (RAW 264.7) as an ...

journal_title：Journal of natural medicines

authors： Shih MF,Cheng YD,Shen CR,Cherng JY

更新日期：2010-07-01 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：:From the dried rhizomes of Curcuma comosa cultivating in Thailand, 26 known sesquiterpenes were isolated: zederone, zederone epoxide, furanodienone, isofuranodienone, 1(10)Z,4Z-furanodiene-6-one, glechomanolide, dehydrocurdione, neocurdione, curdione, 7 alpha-hydroxyneocurdione, 7 beta-hydroxycurdione, germacrone-1(10...

journal_title：Journal of natural medicines

authors： Qu Y,Xu F,Nakamura S,Matsuda H,Pongpiriyadacha Y,Wu L,Yoshikawa M

更新日期：2009-01-01 00:00:00

abstract：:The purpose of the study was to evaluate the suppressive effect of TJ-68 on duodenal spasms during endoscopic retrograde cholangiopancreatography (ERCP). At the point when the duodenal papilla was confirmed after insertion of the endoscope during ERCP, 5.0 g TJ-68 (Tsumura Co., Tokyo, Japan) was dissolved in 50 ml of ...

journal_title：Journal of natural medicines

authors： Sakai Y,Tsuyuguchi T,Ishihara T,Kato K,Tsuboi M,Ooka Y,Katsuura K,Ohara T,Takayama S,Kimura M,Kasanuki J,Ai M,Yokosuka O

更新日期：2009-04-01 00:00:00

abstract：:The stem of the Akebia plant, "Mokutsu", is a crude diuretic and antiphlogistic drug. Japanese products prepared from wild Akebia plants cover most of the Mokutsu market. Two Akebia plants, Akebia quinata Decaisne (Aq) and A. trifoliata Koidzumi (At) of Lardizabalaceae, are standardized as Mokutsu in Japanese pharmaco...

journal_title：Journal of natural medicines

authors： Kitaoka F,Kakiuchi N,Long C,Itoga M,Yoshimatsu H,Mitsue A,Atsumi T,Mouri C,Mikage M

更新日期：2009-07-01 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：:Two new phenolic compounds (1 and 2, named as teasperol and teasperin, respectively) were isolated from fermented tea (Camellia sinensis L.) products, together with known phenolic compounds. Teasperol (1) was isolated from Chinese traditional post-fermented tea leaves (Liu-pao tea) and teasperin (2) was from a Japanes...

journal_title：Journal of natural medicines

authors： Kanegae A,Sakamoto A,Nakayama H,Nakazono Y,Yakashiro I,Matsuo Y,Tanaka T,Ishimaru K

更新日期：2013-07-01 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：: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：:Smallanthus sonchifolius (yacon) is a perennial plant mostly cultivated in South America, primarily for use of the tubers as a food crop and the leaves as fodder for livestock. The antibacterial activities of the methanol extract of yacon leaves (S. sonchifolius) and its n-hexane, ethyl acetate, n-butanol and water fr...

journal_title：Journal of natural medicines

authors： Joung H,Kwon DY,Choi JG,Shin DY,Chun SS,Yu YB,Shin DW

更新日期：2010-04-01 00:00:00

abstract：:Two new limonoids, sanjecumins A (1) and B (2), have been isolated from the leaves of Sandoricum koetjape, together with sandoripins A (3) and B (4). Their structures and absolute configurations were elucidated on the basis of NMR and CD data. Sandoripins A (3) and B (4) moderately inhibited nitric oxide production in...

journal_title：Journal of natural medicines

authors： Nagakura Y,Nugroho AE,Hirasawa Y,Hosoya T,Rahman A,Kusumawati I,Zaini NC,Morita H

更新日期：2013-04-01 00:00:00

abstract：:Cancer cachexia is a complex and multifactorial syndrome that influences about 50-80% of cancer patients and may lead to 20% of cancer deaths and muscle atrophy is the key characteristic of the syndrome. Recent researches have shown that myostatin is a negative regulator in the growth and differentiation of skeletal m...

journal_title：Journal of natural medicines

authors： Ge Z,Liu D,Shang Y,Li Y,Chen SZ

更新日期：2020-09-01 00:00:00

abstract：:Twenty-three new C21 steroidal glycosides, marstenacissides C1-C10 (1-10), D1-D7 (11-17) and E1-E6 (18-23), and four new C21 steroids, 11α,12β-O-ditigloyl-tenacigenin C (24), 11α-O-benzoyl-12β-O-tigloyl-tenacigenin C (25), 11α-O-tigloyl-12β-O-benzoyl-tenacigenin C (26) and 11α-O-tigloyl-12β-O-benzoyl-marsdenin (27), w...

journal_title：Journal of natural medicines

authors： Pang X,Kang LP,Fang XM,Yu HS,Han LF,Zhao Y,Zhang LX,Yu LY,Ma BP

更新日期：2018-01-01 00:00:00

abstract：:This investigation was aimed to probe the pharmacological base of medicinal use of Acorus calamus in ischemic heart diseases. Effect on heart parameters was studied in isolated rabbit heart while coronary vasodilator effect was studied in isolated bovine coronary arterial rings, suspended in tissue baths filled with K...

journal_title：Journal of natural medicines

authors： Shah AJ,Gilani AH

更新日期：2012-01-01 00:00:00

abstract：:Two new diterpenoids, 14α-hydroxy-9α,13α-epoxylabd-5(6)-en-7-on-16,15-olide (1) and 13ξ-hydroxylabd-5(6),8(9)-dien-7-on-16,15-olide (2) along with six known diterpenoids were isolated from the aerial parts of Leonotis leonurus R. Br. These structures were determined on the basis of spectroscopic analyses. Some of the ...

journal_title：Journal of natural medicines

authors： Narukawa Y,Komori M,Niimura A,Noguchi H,Kiuchi F

更新日期：2015-01-01 00:00:00

abstract：:A new oxygenated lanostane-type triterpene, named lucidumol C, together with six known compounds, was isolated from the chloroform extract of the fruiting bodies of Ganoderma lingzhi. Structures were established based on extensive spectroscopic and chemical studies. Potential cytotoxic activities of the isolated compo...

journal_title：Journal of natural medicines

authors： Amen YM,Zhu Q,Tran HB,Afifi MS,Halim AF,Ashour A,Mira A,Shimizu K

更新日期：2016-07-01 00:00:00

abstract：:Two new xanthones namely cratochinone A (1) and cratochinone B (2), along with 16 known xanthones, were isolated from the roots of Cratoxylum cochinchinense. Their structures were characterized by spectroscopic methods, especially 1D and 2D NMR as well as comparison with those reported in the literature for known xant...

journal_title：Journal of natural medicines

authors： Natrsanga P,Jongaramruong J,Rassamee K,Siripong P,Tip-Pyang S

更新日期：2020-03-01 00:00:00