Elsevier

Phytochemistry

Volume 26, Issue 8, 1987, Pages 2399-2400
Phytochemistry

Neobetanin: A new natural plant constituent

https://doi.org/10.1016/S0031-9422(00)84728-7Get rights and content

Abstract

Neobetanin, recently reported to be present in methanolic extracts from the root ofBeta vulgaris and petals and fruits of some other members of the Caryophyllales, has been found as the major constituent in the fruit ofOpuntia ficus-indica. This substantiates the natural occurrence of neobetanin.

Reference (5)

  • WylerH.

    Phytochemistry

    (1986)
  • AlardD. et al.

    Phytochemistry

    (1985)
There are more references available in the full text version of this article.

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    Neobetanin (14,15-dehydro-betanin, nbn, Fig. 1) is a natural constituent of Caryophyllales plants, present in red beet Beta vulgaris L. [1,2], prickly pear Opuntia [1,3–5], fruits of Hylocereus sp. [6] and stems of erect spiderling Boerhavia erecta L. [7].

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    Besides the most prominent peaks of betanin/isobetanin 3/3′, other betacyanins, usually present in B. vulgaris L. roots, were detected: betanin/-isobetanin 6′-O-sulphate 1/1′, 2′-O-glucosyl-betanin/-isobetanin 2/2′, 6′-O-feruloyl-2′-O-glucosyl-betanin/-isobetanin 18/18′ and 6′-O-feruloyl-betanin/-isobetanin 20/20′ (Kujala, Loponen, Klika, & Pihlaja, 2000). A prominent peak of neobetanin 12 which had been frequently detected in B. vulgaris L. roots (Alard, Wray, Grotjahn, Reznik, & Strack, 1985; Strack, Engel, & Wray, 1987) was also observed in the chromatograms. The presence of excessive amounts of 12 in betacyanin-bearing samples had often been attributed to the degradation of betanin during processing of the samples (Herbach et al., 2004, 2006; Wybraniec, 2005; Wybraniec & Mizrahi, 2005).

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