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    Thread: Studies on cannabis obtained from hemp plants grown in Japan

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      Default Studies on cannabis obtained from hemp plants grown in Japan

      Hiya peeps, just found a new report at the UN office on drugs & crime that's got some interesting info in about ultraviolet absorption.

      The report itself is from 1957 but hey that's not bad for the UN

      Studies on cannabis obtained from hemp plants grown in Japan

      INTRODUCTION

      Hemp plants grown in Japan have been demonstrated to be toxic by physiological tests on goldfish or dogs, but the physiologically active principle, presumably tetrahydrocannabinol, has not yet been isolated from it, and little is known to us about its content of active resin, although it is said to be less potent than the hemp grown in some other countries.

      Among the identification tests usually employed for the identification of cannabis samples seized in the illicit traffic, the best-known chemical test, Beam's colour reaction, is not based on tetrahydrocannabinol, and the hemp of Japanese culture that we have examined so far gave a negative test with Beam's reagent.

      A reliable forensic test merely to identify cannabis could be based on any chemically active compound uniquely characteristic of hemp; but any test to identify potent hemp or to assay the cannabis drug for potency still awaits discovery, and must be one given only by physiologically active components.

      For the purpose of separating the active principles from cannabis of domestic origin and clarifying their properties, we have undertaken basic research on cannabis.

      This investigation was supported in part by a grant in 1956 from the Welfare and Health Ministry.

      The following topics were studied in this fiscal year: (1) Extraction of hemp tops; (2) Colour reactions of hemp extract; (3)Detection of cannabis components by paper chromatography; (4) Spectrophotometry of cannabis resin.
      Last edited by alchemiser; 16th April 2006 at 01:21 AM.
      I'm just sitting here watching the wheels go round & round

      DPD on the grow

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