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Physicochemical properties and fatty acid composition of Juglans regia cultivars grown in Serbia

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2008
Authors
Rabrenović, Biljana
Picurić-Jovanović, K.
Šobajić, Slađana
Article (Published version)
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Abstract
Tree cultivars (Jupiter, Sejnov, and Elit) of walnut (Juglans regia L.) were collected during the 2004 harvest from Cacak, Central Serbia. The chemical composition, including moisture, total oil content, crude protein, ash, and carbohydrates, was determined. Afterwards, two techniques of oil extraction were implemented: cold pressing extraction and organic solvent extraction. Iodine value, saponification value, acid value, and peroxide value of obtained walnut oils were analyzed. The fatty acid composition of the walnut oils was determined using gas chromatography with flame ionization detector. The oleic acid content of the oils ranged from 15.9-23.7% of the total acids, while linoleic acid content ranged from 57.2-65.1% and the linolenic acid from 9.1-13.6%. The process of oil extraction had no significant effect on content and composition of fatty acids.
Keywords:
walnut oil / cold pressing extraction / solvent extraction / physical and chemical constants / fatty acid composition
Source:
Chemistry of Natural Compounds, 2008, 44, 2, 151-154
Publisher:
  • Springer, New York

DOI: 10.1007/s10600-008-9000-8

ISSN: 0009-3130

WoS: 000259040700002

Scopus: 2-s2.0-51349131771
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10
9
URI
http://farfar.pharmacy.bg.ac.rs/handle/123456789/1099
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  • Radovi istraživača / Researchers’ publications
Institution
Pharmacy

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