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Aroma Volatile Compounds from Two Fresh Pineapple Varieties in China
South Subtropical Crop Research Institute, Chinese Academy of Tropical Agricultural Science, Zhanjiang 524091, Guangdong, China
Yunnan Vocational College of Tropical Crops, Pu’er 665000, Yunnan, China
* Author to whom correspondence should be addressed.
Received: 13 April 2012; in revised form: 13 May 2012 / Accepted: 28 May 2012 / Published: 14 June 2012
Abstract: Volatile compounds from two pineapples varieties (Tainong No.4 and No.6) were isolated by headspace solid phase microextraction (HS-SPME) and identified and quantified by gas chromatography-mass spectrometry (GC/MS). In the Tainong No. 4 and No. 6 pineapples, a total of 11 and 28 volatile compounds were identified according to their retention time on capillary columns and their mass spectra, and quantified with total concentrations of 1080.44 µg·kg−1 and 380.66 µg·kg−1 in the Tainong No.4 and No. 6 pineapples, respectively. The odor active values (OAVs) of volatile compounds from pineapples were also calculated. According to the OAVs, four compounds were defined as the characteristic aroma compounds for the Tainong No. 4 pineapple, including furaneol, 3-(methylthio)propanoic acid methyl ester, 3-(methylthio)propanoic acid ethyl ester and δ-octalactone. The OAVs of five compounds including ethyl-2-methylbutyrate, methyl-2-methylbutyrate, 3-(methylthio)propanoic acid ethyl ester, ethyl hexanoate and decanal were considered to be the characteristic aroma compounds for the Tainong No. 6 pineapple.
Keywords: pineapple; aroma volatile compounds; odor active values (OAVs); GC/MS
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Zheng, L.-Y.; Sun, G.-M.; Liu, Y.-G.; Lv, L.-L.; Yang, W.-X.; Zhao, W.-F.; Wei, C.-B. Aroma Volatile Compounds from Two Fresh Pineapple Varieties in China. Int. J. Mol. Sci. 2012, 13, 7383-7392.
Zheng L-Y, Sun G-M, Liu Y-G, Lv L-L, Yang W-X, Zhao W-F, Wei C-B. Aroma Volatile Compounds from Two Fresh Pineapple Varieties in China. International Journal of Molecular Sciences. 2012; 13(6):7383-7392.
Zheng, Liang-Yong; Sun, Guang-Ming; Liu, Yu-Ge; Lv, Ling-Ling; Yang, Wen-Xiu; Zhao, Wei-Feng; Wei, Chang-Bin. 2012. "Aroma Volatile Compounds from Two Fresh Pineapple Varieties in China." Int. J. Mol. Sci. 13, no. 6: 7383-7392.