Author: Hon A/Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand, 1999.
|Common name:||Australian Blackwood, Wattle or Acacia.|
|Botanical name:||Acacia melanoxylon|
|Origin:||Native to south-eastern Australia.|
|Description:||An evergreen wattle with dense foliage, balls of cream flowers and twisted pods. Height: 20 m.|
|Uses:||Gum arabic, derived from acacia (usually A. senegal), is used in the printing trade, and as a binding agent in the making of some medications. Gum arabic is also commonly used as a food additive. Because of its excellent timber properties, Australian blackwoods are increasingly being planted in New Zealand. Blackwood is used in making furniture, boats, musical instruments, etc.|
|Allergens:||The allergens appear to be 2,6-dimethoxy-1,4-benzoquinone, acamelin, and melacacidin (in heartwood).|
|Allergy:||Hand dermatitishas been reported after contact with both the wood and gum arabic. Sawdust is a problem, particularly in furniture makers. Hayfever, rhinitis, conjunctivitis and other respiratory problems are of increasing concern. The prevalence of allergy to acacias, as shown in a number of Australian and Asian studies, is increasing.|
|Cross reactions:||Meranti (Shorea spp.) and some kinds of Mahogany.|
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