Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/76334
Title: Identification of aroma-active compounds in malaysian pomelo (Citrus grandis (L.) Osbeck) peel by gas chromatography-olfactometry
Authors: Cheong, M.-W.
Liu, S.-Q. 
Yeo, J.
Chionh, H.-K.
Pramudya, K.
Curran, P.
Yu, B.
Keywords: AEDA
Aldehydic
GC-olfactometry
Grapefruit-like
Pomelo
RFA
Issue Date: Nov-2011
Source: Cheong, M.-W.,Liu, S.-Q.,Yeo, J.,Chionh, H.-K.,Pramudya, K.,Curran, P.,Yu, B. (2011-11). Identification of aroma-active compounds in malaysian pomelo (Citrus grandis (L.) Osbeck) peel by gas chromatography-olfactometry. Journal of Essential Oil Research 23 (6) : 34-42. ScholarBank@NUS Repository.
Abstract: Malaysian pink and white pomelo (Citrus grandis (L.) Osbeck) peels were extracted with dichloromethane (DCM). Using GC-FID/MS and gas chromatography-olfactometry (GC-O), 50 and 47 aroma-active compounds were identified in pink and white pomelo peel extracts, respectively. The potency of each odorant in both pomelo peel extracts was determined by aroma extraction dilution analysis (AEDA). On the basis of flavor dilution (FD) factor, odor activity value (OAV) and relative flavor activity (RFA), main odorants in pink pomelo peel extract were trans-linalool oxide, cis,trans-2,6-nonadienal, octanal, citronellal, nonanal, trans-nerolidol, neryl acetate, indole, 6-methyl-5-hepten-2-one, terpinolene, trans-2-heptenal, perilla alcohol and nootkatone, while the most intense aromas in white pomelo peel extract were terpinolene, CC-eopaene, 4-terpinenol, trans-nerolidol, trans-linalool oxide, nootkatone, cis,trans-2,6nonadienal, citronellol, elemol, carvyl acetate, 6-methyl-5-hepten-2-one, perilla aldehyde and indole. Thus, no single compound exhibited the characteristic aroma of both Malaysian pomelo peel extracts. © 2011 Allured Business Media.
Source Title: Journal of Essential Oil Research
URI: http://scholarbank.nus.edu.sg/handle/10635/76334
ISSN: 10412905
Appears in Collections:Staff Publications

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