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Paper Information

Journal:   IRANIAN JOURNAL OF FOREST AND POPLAR RESEARCH   2015 , Volume 23 , Number 3; Page(s) 527 To 535.
 
Paper: 

INVESTIGATION OF EXTRACTABLE OIL FROM BRANT’S OAK (QUERCUS BRANTII LINDL.) ACORN IN CHAHARMAHAL AND BAKHTIARI FORESTS

 
 
Author(s):  IRANMANESH Y.*, JAHANBAZI GOUJANI H.
 
* RESEARCH DIVISION OF NATURAL RESOURCES, CHAHARMAHAL AND BAKHTIARI AGRICULTURAL AND NATURAL RESOURCES RESEARCH AND EDUCATION CENTER, AREEO, SHAHREKORD, IRAN
 
Abstract: 

Brant’s oak (Quercus brantii Lindl.) is the most important woody species of Zagros forest ecosystems. Acorn of Brant`s oak is important as a nutrition source with its oil containing an appreciable amount of unsaturated fatty acids. Therefore proper estimation of the amount of extractable acorn oil can promote an opportunity of additional income for local communities.
This research was carried out in Chaharmahal and Bakhtiari province to study the extractable oil from acorns of Brant`s oak. Initially 68 plots of 0.1 ha each were randomly established in the 10000 ha forest region. Quantitative traits of all trees were measured. Then acorns of 20 sample trees in different diameter classes in two groups of single-stem trees and sprout-clumps were collected and dried in an oven at 80oC for 2 days. The oils of the dried powder from acorn were extracted by the Soxhlet method using petroleum ether (bp 40-60oC), and were expressed on a dry-weight basis. The results indicated that the oil content of acorns was 8.56% (±0.89).
Furthermore, the study site showed a 9.7 kg per ha potential of oil production. The most abundant fatty acids included oleic, linoleic and palmitic.

 
Keyword(s): QUERCUS BRANTII, CHAHARMAHAL AND BAKHTIARI PROVINCE, OIL, ACORN
 
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