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Dermatitis due to the Wood Dusts of Khaya anthotheca and Machaerium scleroxylon
  1. J. W. W. Morgan,
  2. R. J. Orsler,
  3. D. S. Wilkinson
  1. Forest Products Research Laboratory, Princes Risborough, Bucks.
  2. Wycombe General Hospital, High Wycombe, Bucks.


    The causes of several cases of dermatitis at three furniture factories have been investigated. At two factories the trouble was traced to the wood of Khaya anthotheca, one of the species which comprise African mahogany. At the other factory the wood of Machaerium scleroxylon, a timber of similar appearance to Rio rosewood, was implicated. The relationship was established in each case by patch tests. Workers allergic to K. anthotheca reacted strongly to the constituent anthothecol whilst those allergic to M. scleroxylon were strongly sensitized by (R)-3, 4-dimethoxydalbergione and its related quinol.

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    • 1 This work was reported at a combined meeting of the Sections of Dermatology and Occupational Medicine of the Royal Society of Medicine on April 21, 1966.