Volatiles in Distillates of Fresh Radish of Japanese and Kenyan Origin |
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Authors: | Anders Kjær Jørgen Øgaard Madsen Yasuhiko Maeda Yoshio Ozawa Yasushi Uda |
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Institution: | 1. Department of Organic Chemistry, The Technical University of Denmark,2800 Lyngby, Denmark.;2. Laboratory of Food Chemistry, Faculty of Agriculture, The University of Utsunomiya, Utsunomiya-shi, Japan.;3. Gunma Women's Junior College, Takasaki-shi, Japan |
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Abstract: | The steam-volatile constituents of fresh radish of Japanese and Kenyan origin have been studied by GC-MS technique. The over-all pattern of compounds in the two materials was similar. Ten mustard oils, of which pentyl, hexyl, and 4-methylpentyl isothiocyanate have not previously been reported as products of natural derivation, two related nitriles, dimethyl disulfide, methyl methanethiolsulfinate and 1-methylthio-3-pentanone, a novel sulfide-ketone, together constitute the major volatile sulfur products in the two radish materials. A few non-sulfur volatiles have also been identified. The diversity in chemical structure of the sulfur constituents becomes less surprising when regarded in terms of their biogenetic origin. |
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Keywords: | ceramide olefin cross metathesis epidermis sphingolipid stratum corneum |
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