Xeronine

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Xeronine (English Xeronine) is a hypothetical alkaloid , the discovery of which was postulated by Ralph Heinicke when he was studying bromelain from the pineapple fruit .

The author Heinicke described his discovery in 1985 in the horticultural journal Bulletin of the National Tropical Botanical Garden and in an unpublished communication without further references and without information on the chemical or physical properties of xeronine. In his unpublished communication he suggests a possible structural formula. As a result, he registered his discovery as a US patent. Heinicke worked for the pineapple processing Pineapple Dole Company for a long time .

The details of the publication on the hypothetical substance are controversial from the point of view of the botanist Will McClatchey (botanist at the University of Hawaii / Manoa) and are not backed up by any evidence. According to an online publication by the Federal Institute for Consumer Protection and Veterinary Medicine (now the Federal Institute for Risk Assessment ) from the year 2000, xeronine has so far been completely unknown in the biochemical and medical literature. The occurrence and the alleged medicinal effects of xeronine are selling points in the marketing of the juices of the noni fruit .

Up until 2008, more than 20 years after the so-called first publication, no scientifically recognized literature with a proof or at least the structural formula of xeronine was published. The European Commission's Food Committee has determined that noni juice has "not been scientifically proven" for any particular health effects.

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  1. ↑ RM Heinicke: The pharmacological active ingredient of noni. In: Pacific Tropical Botanical Garden Bulletin. 15, 1985, pp. 10-14.
  2. ↑ R. Heinicke: The Xeronine System - a new cellular mechanism did Explains the health promo ting action of Noni and Bromelain. direct source publishing 2001.
  3. ↑ bilder-hochladen.net
  4. ↑ US Pat. 4,543,212
  5. ^ W. McClatchey: From Polynesian healers to health food stores: changing perspectives of Morinda citrifolia (Rubiaceae). In: Integrative Cancer Therapies . 1 (2), 2002, pp. 110-120.
  6. ↑ Medical reports in the event of poisoning in accordance with Section 16e of the Chemicals Act 2000. at: bfr.bund.de
  7. ↑ a b Miracle Potion from Polynesia. In: Süddeutsche Zeitung . May 19, 2010.

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