Phosphate removal and recovery with a synthetic hydrotalcite as an adsorbent.
- K. Kuzawa, Yong-Jun Jung, Y. Kiso, Toshiro Yamada, M. Nagai, T. Lee
- ChemistryChemosphere
- 2006
Vasorelaxant effects of methyl brevifolincarboxylate from the leaves of Phyllanthus niruri.
- Toru Iizuka, H. Moriyama, M. Nagai
- Biology, ChemistryBiological and Pharmaceutical Bulletin
- 2006
The results suggest that the inhibition of NE-induced vasocontraction by compound 1 is in part attributable to a decrease in [Ca2+]i through receptor-operated Ca2+ channels.
Eujavanicols A-C, decalin derivatives from Eupenicillium javanicum.
- Shou Nakadate, K. Nozawa, K. Fukushima
- ChemistryJournal of Natural Products
- 22 August 2007
Three new decalin derivatives, eujavanicols A-C (1-3), were isolated from an extract of Eupenicillium javanicum IFM 54704 by chemical and spectroscopic methods.
Protosappanin A, a novel biphenyl compound from Sappan Lignum.
- M. Nagai, S. Nagumo, Shu-Mei Lee, I. Eguchi, K. Kawai
- Chemistry
- 25 January 1986
Protosappanin A (I), C15H12O5, mp 250-251°C, was isolated from the heart-wood of Caesalpinia sappan L. (appan Lignum). It yielded a triacetate (II) on acetylation, and an alcohol (III) on reduction…
Studies on the constituents of Beesia calthaefolia, and Souliea vaginata. III, Breesiodide IV, a cyclolanostanol xyloside from the rhizomes of B. calthaefolia and S. vaginata
- N. Sakurai, T. Goto, M. Nagai, T. Inoue, P. Xiao
- Chemistry
- 1990
A new triterpenol xyloside,besioside IV,an amorphous powder from dried rhizomes of B. calthaefolia and S. vaginata(both ranunculaceae) was identified as…
Uranium pollution of water in the western part of Uzbekistan
- Y. Kawabata, M. Yamamoto, Y. Katayama
- Environmental Science
- 17 October 2006
SummaryWater and phosphorous fertilizer samples from Karakalpakstan in the Republic of Uzbekistan were analyzed by inductively coupled plasma mass spectrometry, (ICP-MS) to demonstrate the water…
[Saponins of anemarrhenae rhizoma].
- S. Nagumo, S. Kishi, T. Inoue, M. Nagai
- ChemistryYakugaku zasshi : Journal of the Pharmaceutical…
- 1 June 1991
Three steroidal saponins 3, 4 and 5a were newly isolated from Anemarrhenae Rhizoma. Compounds 3 and 4 were identical with desgalactotigonin and F-gitonin, respectively. Compound 5a was established as…
[Vasorelaxant activity of caffeic acid derivatives from Cichorium intybus and Equisetum arvense].
- N. Sakurai, T. Iizuka, S. Nakayama, H. Funayama, Mariko Noguchi, M. Nagai
- Chemistry, BiologyYakugaku zasshi : Journal of the Pharmaceutical…
- 1 July 2003
Results show that the inhibition by 1 and 2 of NE-induced vasocontraction is due to a decrease in calcium influx from the extracellular space caused by NE, and dicaffeoyl tartaric acids showed vasorelaxant activity, regardless of their stereochemistry.
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