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Cultivation and preparation of Lithospermum roots quantification of total pigment in slender lateral roots

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Abstract

Development of a new preparation method of Lithospermi Radix enabled almost all the slender lateral roots (diameter smaller than 2 mm) to be preserved. The weight ratio of slender lateral roots was about 5.5% in the whole root. The amount of acetylshikonin in the slender lateral roots was two-fold greater than in its tap and thick lateral roots (diameter larger than 2 mm). The acid-insoluble ash content in slender lateral roots was 1.16%.

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Acknowledgments

This work was financially supported by a grant from the Japan Private School Promotion Foundation and by Nikkankyo Foundation.

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Authors and Affiliations

  1. Faculty of Pharmaceutical Sciences, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan

    Haruo Sekizaki, Naotoshi Yoshida, Sandra Naomi Asazu, Mizuho Yamamoto, Kiyoshi Horita & Yukari Noguchi

  2. Hokkaido Experimental Station for Medicinal Plants, National Institute of Health Sciences, 108 Ohashi, Nayoro, 096-0065, Japan

    Yoshio Hatakeyama

Authors
  1. Haruo Sekizaki
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  2. Naotoshi Yoshida
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  3. Yoshio Hatakeyama
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  4. Sandra Naomi Asazu
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  5. Mizuho Yamamoto
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  6. Kiyoshi Horita
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  7. Yukari Noguchi
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Corresponding author

Correspondence to Haruo Sekizaki.

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Sekizaki, H., Yoshida, N., Hatakeyama, Y. et al. Cultivation and preparation of Lithospermum roots quantification of total pigment in slender lateral roots. J Nat Med 61, 217–219 (2007). https://doi.org/10.1007/s11418-006-0127-2

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  • DOI: https://doi.org/10.1007/s11418-006-0127-2

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