New components with potential antioxidant and organoleptic properties, detected for the first time in liquid smoke flavoring preparations

被引:92
作者
Guillén, MD [1 ]
Ibargoitia, ML [1 ]
机构
[1] Univ Basque Country, Fac Farm, Vitoria 01006, Spain
关键词
liquid smoke preparations; extraction; gas chromatography; gas chromatography mass spectrometry; phenol; guaiacol; and syringol derivatives; di-tert-butylhydroxytoluene; hopanes; lignin dimers;
D O I
10.1021/jf970952x
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
A commercial aqueous smoke preparation was exhaustively extracted, using dichioromethane as solvent, until the carrier had totally lost its smoky odor. Qualitative and quantitative characterizations of the extract mere performed by means of gas chromatography/mass spectrometry and gas chromatography with flame ionization detector, respectively. Carbonyl derivatives including aldehydes and ketones as well as acids and esters are almost absent; however, the high proportion of phenol, guaiacol, and syringol derivatives is noticeable. The presence of di-tert-butylhydroxytoluene, several hopanes, and a number of Lignin dimers must be pointed out; these latter components had apparently not been detected before either in smoke flavorings or in wood smoke. The mass spectral data of the compounds considered as lignin dimers and of the unidentified components are given. The presence of Lignin dimers is very interesting from the point of view of health and food technology for their therapeutic, organoleptic, and antioxidant properties.
引用
收藏
页码:1276 / 1285
页数:10
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