Search Results - "Tan, R.X."

Endophytic naphthopyrone metabolites are co-inhibitors of xanthine oxidase, SW1116 cell and some microbial growths by Song, Y.C, Li, H, Ye, Y.H, Shan, C.Y, Yang, Y.M, Tan, R.X

“…Fractionation of the extract of Aspergillus niger. IFB-E003, an endophyte in Cyndon dactylon, gave four known compounds naphtho-gamma-pyrones rubrofusarin B,…”
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Inhibition of MAO A and B by some plant-derived alkaloids, phenols and anthraquinones by Kong, L.D., Cheng, Christopher H.K., Tan, R.X.

“…A total of seventeen phytochemicals including seven alkaloids (piperine, strychnine, brucine, stachydrine, tetrandrine, frangchinoline and sinomenine), four…”
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Inhibition of xanthine oxidase by some Chinese medicinal plants used to treat gout by Kong, L.D., Cai, Y., Huang, W.W., Cheng, Christopher H.K., Tan, R.X.

“…The enzyme xanthine oxidase catalyses the oxidation of hypoxanthine to xanthine and then to uric acid, which plays a crucial role in gout. A total of 122…”
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Immobilization of glucose oxidase on chitosan–SiO2 gel by Yang, Y.M., Wang, J.W., Tan, R.X.

“…Novel porous gels of chitosan–SiO2 were prepared by coupling chitosan with tetramethoxy silicane through the sol–gel approach at ambient conditions. The…”
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High-performance liquid chromatographic analysis of bioactive triterpenes in Perilla frutescens by Chen, J.H., Xia, Z.H., Tan, R.X.

“…Perilla frutescens (L.) Britt. (Lamiaceae), a famous traditional Chinese medicine, has been used for the treatment of various diseases. To evaluate the quality…”
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Inhibitory effects of flavonoids from Hypericum perforatum on nitric oxide synthase by Luo, L, Sun, Q, Mao, Y.Y, Lu, Y.H, Tan, R.X

“…The inhibitory effects of six flavonoids from Hypericum perforatum were assessed spectrophotometrically using nitric oxide synthase (NOS) in blood and cerebral…”
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Aspergillus fumigatus CY018, an endophytic fungus in Cynodon dactylon as a versatile producer of new and bioactive metabolites by Liu, J.Y., Song, Y.C., Zhang, Z., Wang, L., Guo, Z.J., Zou, W.X., Tan, R.X.

“…Aspergillus fumigatus CY018 was recognized as an endophytic fungus for the first time in the leaf of Cynodon dactylon. By bioassay-guided fractionation, the…”
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Repellent, insecticidal and phytotoxic activities of isoalantolactone from Inula racemosa by Liu, C.H., Mishra, A.K., Tan, R.X.

“…Isoalantolactone, a natural product isolated from traditional Chinese medicinal herb roots of Inula racemosa Hook. f. (Fam. Compositae), has been shown to…”
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Simultaneous production of anthocyanin and triterpenoids in suspension cultures of Perilla frutescens by Wang, J.W, Xia, Z.H, Chu, J.H, Tan, R.X

“…When cultivated in Murashige & Skoog medium supplemented with 0.2 mg l −1 2,4-dichlorophenoxy acetic acid and 0.5 mg l −1 6-benzyladenine, Perilla frutescens…”
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potent feed preservative candidate produced by Calcarisporium sp., an endophyte residing in stargrass (Cynodon dactylon) by Ji, L.L, Song, Y.C, Tan, R.X

“…Aims:  The cultures of an endophytic fungus Calcarisporium sp. were screened for inhibitors on the growth of feed‐associated moulds and on the aflatoxin…”
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Secoiridoid glycosides and an antifungal anthranilate derivative from Gentiana tibetica by Tan, R.X., Kong, L.D., Wei, H.X.

“…Two new ( 1 and 8-hydroxy-10-hydrosweroside) secoiridoid glycosides and a novel antifungal anthranilic acid derivative ethyl N-docosanoylanthranilate were…”
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In vitro anti- Helicobacter pylori action of 30 Chinese herbal medicines used to treat ulcer diseases by Li, Yang, Xu, Chen, Zhang, Qiang, Liu, Jun Yan, Tan, Ren Xiang

“…Infection by Helicobacter pylori has been ascertained to be an important etiologic impetus leading usually to chronic active gastritis and gastric ulcer with…”
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Anti- Helicobacter pylori metabolites from Rhizoctonia sp. Cy064, an endophytic fungus in Cynodon dactylon by Ma, Y.M, Li, Y, Liu, J.Y, Song, Y.C, Tan, R.X

“…A new benzophenone, named rhizoctonic acid ( 1), together with three known compounds monomethylsulochrin ( 2), ergosterol ( 3) and…”
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Glycosides from Wahlenbergia marginata by Tan, R.X., Ma, W.G., Wei, H.X., Zhang, L.X.

“…Five new glycosides, such as 1 and 2, were isolated from the traditional Chinese medicinal herb W. marginata (Campanulaceae) Repeated fractionation of an…”
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Repellent and insecticidal activities of essential oils from Artemisia princeps and Cinnamomum camphora and their effect on seed germination of wheat and broad bean by Liu, C.H., Mishra, A.K., Tan, R.X., Tang, C., Yang, H., Shen, Y.F.

“…Repellent and insecticidal activities of essential oils extracted from leaves of Artemisia princeps Pamp and seeds of Cinnamomum camphora (L.) Presl. against…”
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Pinelloside, an antimicrobial cerebroside from Pinellia ternata by Chen, J.H, Cui, G.Y, Liu, J.Y, Tan, R.X

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Neuraminidase Inhibitors from marine‐derived actinomycete Streptomyces seoulensis by Jiao, R.H., Xu, H., Cui, J.T., Ge, H.M., Tan, R.X.

“…Aims This work was performed to characterize new secondary metabolites with neuraminidase (NA) inhibitory activity from marine actinomycete strains. Methods…”
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Sulfation of a polysaccharide produced by a marine filamentous fungus Phoma herbarum YS4108 alters its antioxidant properties in vitro by Yang, X.B., Gao, X.D., Han, F., Tan, R.X.

“…Free radicals and other reactive oxygen species (ROS) are generated by all aerobic cells and are widely believed to play a significant role in aging as well as…”
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Penicidones A–C, three cytotoxic alkaloidal metabolites of an endophytic Penicillium sp by Ge, Hui Ming, Shen, Yao, Zhu, Chun Hua, Tan, Shu Hua, Ding, Hui, Song, Yong Chun, Tan, Ren Xiang

“…Penicidones A–C, three cytotoxic alkaloids, were characterized from the culture of Penicillium sp. IFB-E022, an endophytic fungal strain on Quercus variabilis…”
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Purification, characterization and enzymatic degradation of YCP, a polysaccharide from marine filamentous fungus Phoma herbarum YS4108 by Yang, X.B., Gao, X.D., Han, F., Xu, B.S., Song, Y.C., Tan, R.X.

“…YCP, a mitogenic polysaccharide with its molecular weight ( MW) of 2.4 × 10 3 kDa, was isolated from the mycelium of the marine filamentous fungus Phoma…”
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