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Chemical structures of constituents from the whole plant of Bacopa monniera

  • Original Paper
  • Biologically Active Natural Products from Microorganisms and Plants
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Abstract

Two new dammarane-type triterpene oligoglycosides, bacomosaponins A and B, and three new phenylethanoid glycosides, bacomosides A, B1, and B2, were isolated from the whole plant of Bacopa monniera Wettst. The chemical structures of the new constituents were characterized on the basis of chemical and physicochemical evidence. In the present study, bacomosaponins A and B with acyl groups were obtained from the whole plant of B. monniera. This is the first report of acylated dammarane-type triterpene oligoglycosides isolated from B. monniera. In addition, dammarane-type triterpene saponins significantly inhibited the aggregation of 42-mer amyloid β-protein.

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Authors and Affiliations

  1. Department of Pharmacognosy, Kyoto Pharmaceutical University, Misasagi, Yamashina-ku, Kyoto, 607-8412, Japan

    Tomoe Ohta, Seikou Nakamura, Souichi Nakashima, Yoshimi Oda, Takahiro Matsumoto, Masashi Fukaya, Mamiko Yano, Masayuki Yoshikawa & Hisashi Matsuda

  2. N.T.H Co., Ltd., 4F Sky-ebisu Bldg., 1-8-11 Ebisu, Shibuya-ku, Tokyo, 150-0013, Japan

    Souichi Nakashima & Yoshimi Oda

Authors
  1. Tomoe Ohta
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  2. Seikou Nakamura
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  3. Souichi Nakashima
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  4. Yoshimi Oda
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  5. Takahiro Matsumoto
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  6. Masashi Fukaya
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  7. Mamiko Yano
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  8. Masayuki Yoshikawa
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  9. Hisashi Matsuda
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Correspondence to Hisashi Matsuda.

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Ohta, T., Nakamura, S., Nakashima, S. et al. Chemical structures of constituents from the whole plant of Bacopa monniera . J Nat Med 70, 404–411 (2016). https://doi.org/10.1007/s11418-016-0986-0

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  • DOI: https://doi.org/10.1007/s11418-016-0986-0

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