• 제목/요약/키워드: Artocarpus communis

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Five New Stilbenes from the Stem Bark of Artocarpus communis

  • Chan, Susanna T.S.;Popplewell, Wendy L.;Bokesch, Heidi R.;McKee, Tawnya C.;Gustafson, Kirk R.
    • Natural Product Sciences
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    • 제24권4호
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    • pp.266-271
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    • 2018
  • Five new prenylated stilbenes (1 - 5), along with the known compounds cudraflavone C, trans-4-isopentenyl-3,5,2',4'-terahydroxystilbene, trans-4-(3-methyl-E-but-1-enyl)-3,5,2',4'-tetrahydroxystilbene, pannokin G, cycloartobiloxanthone, artonin P, morusin, artocarpin, artonin E, kuwanon C, artobiloxanthone, and artoindonesianin C (6 - 17) were isolated from the stem bark of the tropical tree Artocarpus communis. The structures were established by NMR spectroscopic analysis, MS studies, and comparison with spectral data reported in the literature.

ASSAY OF POTENTIAL ANTIMUTAGENICITY OF ETHNIC MEDICINAL PLANT EXTRACTS OF PAPUA NEW GUINEA BY USING SOS CHROMOTEST (E. coLi PQ 37)

  • K. Sundarrao;Jeho Yum;Chang, Il-Moo
    • Toxicological Research
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    • 제7권2호
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    • pp.151-155
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    • 1991
  • Thirty six crude drug samples have been prepared from different parts of twenty five plants belonging to different families, and antimutangenic activities were studied by using SOS chromotest (E. coli PQ 37). The following crude extracts of PNG medicinal plants which had a appreciable antimutagenic activity against mitomycin C were: Artocarpus communis (stem bark), Cycas circinalis (leaves), Merremia peltata (leaves), Intsia palembanica (leaves), Annona muricata (stem bark), and Artocarpus altilis (root bark).

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Development of Supercapacitors Using Porous Carbon Materials Synthesized from Plant Derived Precursors

  • Khairnar, Vilas;Jaybhaye, Sandesh;Hu, Chi-Chang;Afre, Rakesh;Soga, Tetsu;Sharon, Madhuri;Sharon, Maheshwar
    • Carbon letters
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    • 제9권3호
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    • pp.188-194
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    • 2008
  • Porous carbon materials synthesized from various plant derived precursors i.e. seeds of [Castor (Ricinus communis), Soap nut (Sapindus sp.), Cashew-nut (Semecarpus anacardium), Jack fruit (Artocarpus heterophyllus), Safflower (Carthamus tinctorius), Ambadi (Crotolaria juncea), Neem (Azadirachta indica), Bitter Almond (Prunus amygdalus), Sesamum (Sisamum indicum), Date-palm (Phoenix dactylifera),Canola (Brassica napus), Sunflower (Helianthus annulus)] and fibrous materials from [Corn stem- (Zea mays), Rice straw (Oryza sativa), Bamboo (Bombax bambusa) and Coconut fibers (Cocos nucifera)] were screened to make supercapacitor in 5M KOH solution. Carbon material obtained from Jack fruit seeds (92.0 F/g), Rice straw (83.0 F/g), Soap nut seeds (54.0 F/g), Castor seeds (44.34 F/g) and Bamboo (40.0 F/g) gave high capacitance value as compared to others. The magnitude of capacitance value was found to be inversely proportional to the scan rate of measurement. It is suggested that carbon material should possess large surface area and small pore size to get better value of capacitor. Moreover, the structure of carbon materials should be such that majority of pores are in the plane parallel to the plane of electrode and surface is fluffy like cotton ball.