Journal
INTERNATIONAL JOURNAL OF FOOD PROPERTIES
Volume 15, Issue 4, Pages 736-747Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10942912.2010.500068
Keywords
Coriander; Essential oil; Volatile compounds; Flavors; Antioxidant
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Funding
- Higher Education Commission, Islamabad, Pakistan
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The main aim of this study was the characterization of coriander essential oil. The major volatile compounds in coriander seed essential oil were linalool, gamma-terpinene, alpha-pinene, camphor, decanal geranyl acetate, limonene, geraniol, camphene, and D-limonene, while the major volatile compounds identified in coriander leaves essential oil were (E)-2-decenal, linalool, (E)-2-dodecenal, (E)-2-tetradecenal, 2-decen-1-ol, (E)-2-undecenal, dodecanal, (E)-2-tridecenal, (E)-2-hexadecenal, pentadecenal, and alpha-pinene. The essential oil from coriander seeds showed significant radical scavenging activity (66.48 +/- 0.80%) at a concentration of 500 mu g in comparison with essential oil of coriander leaves (56.73 +/- 1.82%). Methanol extracts of both seed and leaves showed the significant radical scavenging activity (64.40 +/- 0.81%) and (72.19 +/- 0.64%) at 500 mu g/mL, respectively, in comparison with the n-hexane extracts, which were (52.67 +/- 2.05%) and (60.80 +/- 1.01%), respectively, at a concentration of 500 mu g/mL. Reducing power results showed that at a concentration from 100-500 mu g, coriander seed essential oil gave the absorbance (0.734 +/- 1.146), while coriander leaves essential oil gave the absorbance (0.815 +/- 1.274). While in non-volatile extracts, the maximum value reached 0.796 +/- 0.01 for methanol extract of coriander leaves and for seeds is 0.593 +/- 0.04, while the maximum value for n-hexane extract of coriander seeds was 0.624 +/- 0.01 and leaves was 0.734 +/- 0.04 at a concentration of 500 mu g/mL. Our study suggested that coriander seeds and leaves may be used as a potential source of food flavoring and antioxidants.
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