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Title: Lac – The versatile natural resin
Authors: Siddiqui, S A
Issue Date: Oct-2004
Publisher: CSIR
Abstract: Lac is a unique gift of nature to the mankind, especially to the people of India. It is the only natural resin of animal origin, secreted by a tiny lac insect on some trees. It mostly consists of a polyester type resin formed by fusion of hydroxyl fatty acids with sesquiterpene acids besides having some colouring matter, wax, etc. Lac is an important ingredient of several Ayurvedic and Unani formulations. Due to its wonderful characteristics, shellac, the product of commerce, has a wide range of applications in surface coating industries, electrical insulation, filling materials, adhesives, controlled release fertilizer and other agricultural formulations. Its recent uses include synthesis of bioactive and perfumery compounds. It not only provides livelihood to nearly three million poor people but also fetches foreign exchange through export.
Page(s): 332-337
ISSN: 0975-1092 (Online); 0972-592X (Print)
Appears in Collections:NPR Vol.3(5) [September-October 2004]

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