Journal
FISHERIES SCIENCE
Volume 80, Issue 5, Pages 1097-1107Publisher
SPRINGER JAPAN KK
DOI: 10.1007/s12562-014-0779-x
Keywords
Abalone Haliotis discus hannai Ino; Heating; Fatty acids; Volatile compounds; SPME-GC-MS
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Funding
- National Key Technology Research and Development Program of China during the 12th Five-Year Plan [2014BAD04B09]
- University Innovation Ability Promotion Plan-Collaborative Innovation Center for Green Processing and Safety Control of Food in Beijing
- University Innovation Ability Promotion Plan-Collaborative Innovation Center for Green Processing and Safety Control of Food in Tianjin Area
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Abalone Haliotis discus hannai Ino is a popular delicacy consumed as a luxury food owing to its unique flavor and texture. In this study, we investigated the effects of heating conditions on the fatty acids and volatile compounds in its foot muscle based on gas chromatography-mass spectrometry (GC-MS) and solid-phase microextraction (SPME)-GC-MS. The contents of fatty acids significantly decreased after heating at 80 A degrees C for 2 h. In total, 52 volatile compounds, including aldehydes, aromatic compounds, alkanes, alcohols, ketones, and furans, were detected in the heated samples. Principal component analysis revealed an interaction between heating temperature and time. Heating at 80 A degrees C for 0.5-2 h generated higher contents of volatile compounds. In particular, the contents of hexanal, heptanal, octanal, nonanal, and undecanal mainly derived from autoxidation of fatty acids during heating increased at least fourfold.
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