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|Title:||GC-MS analysis of clove (Syzygium aromaticum) bud essential oil from Java and Manado|
Cahyana, A. Herry
Rahayu, D. U.
Sulistyoningrum, A. S.
|Series/Report no.:||Volume 1862;|
|Abstract:||The largest clove production contributors in Indonesia are mostly coming from Java and Manado. Different flavor among clove origins is caused by chemical constituents in clove oil. Unfortunately, scientific research and publications about flavor in clove from Indonesia’s origin are still limited. The objective of this research is to determine significant differences of constituents in terms of flavor in clove oil originated from Java and Manado. The essential oils were isolated from cut clove bud samples by steam distillation method. The chemical constituents of clove bud oil were analyzed by using gas chromatography-mass spectrometry (GC-MS). Constituents were then identified by comparing the results of the chromatogram and reference retention time using Wiley mass spectra library (Wiley W9N11). Thirty-six and thirty-four chemical constituents were identified based on GC-MS from clove oil collected from Java and Manado, respectively. Major classes of compounds are sesquiterpenes, phenyl propanoid, oxygenated sesquiterpenes, and esters. Different compositions in major constituents were found between both origins. Clove Java contained eugenol (55.60 %), eugenyl acetate (20.54 %), caryophyllene (14.84 %), and α-humulene (2.75 %). While, in clove Manado, the composition were eugenol (74.64 %), caryophyllene (12.79 %), eugenyl acetate (8.70 %), and α-humulene (1.53 %). Moreover, minor constituents β-elemene (0.04 %), α-cadinene (0.05 %) and ledol (0.06 %) were existed only in clove Java, while clove Manado had some unique minor constituents which were not found in clove Java, i.e. β-gurjunene (0.04 %), γ-cadinene %), and humulene oxide (0.05 %). In conclusion, both clove oils from Java and Manado contained same major chemical constituents but different in their composition. In addition, some minor constituents existed only in specific origin.|
|Appears in Collections:||Proceedings Collection|
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