Breakthrough discovery could result in fragrant golden harvest

300px-Santalum_album_(Chandan)_in_Hyderabad,_AP_W2_IMG_0023
English: White or East Indian Sandalwood or Chandan Santalum album in Hyderabad , India. (Photo credit: Wikipedia)

A foundation for the production of sandalwood oil by means of metabolic engineering

Sandalwood oil – the ‘golden harvest’ – is one of the world’s most valuable essential oils, but increased demand has caused natural populations of sandalwood trees to diminish over the past century through harvesting, grazing animals and disease.

Plantations of several sandalwood (Santalum) species provide a more sustainable alternative to traditional wild harvesting but the long maturation requirement for heartwood to be produced within a tree hampers oil productivity.

A solution – with significant implications for the Australian sandalwood industry and for conservation of wild Australian sandalwood – has been found through .

Key genes that produce sandalwood oil have been discovered by an international research team from The University of Western Australia and the University of British Columbia (UBC) in Canada. These newly discovered genes, together with previous gene discoveries, produce some of the final constituents of the oil found in Indian sandalwood trees.

“These results – published in PLOS ONE today – provide a foundation for the production of sandalwood oil by means of metabolic engineering,” said UWA’s Dr Liz Barbour, one of the co-authors of the paper.

“Presently sandalwood oil, extracted from the heartwood in tree stems and roots, is highly sought after by the fragrance and perfume industry. This discovery will open new nutraceutical and medicinal markets,” she said.

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