Saturated and mono-unsaturated long-chain hydrocarbons from lemon juice sacs |
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Authors: | HE NordbyS Nagy |
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Institution: | Citrus and Subtropical Products Laboratory,1 Winter Haven, FL 33880, U.S.A. |
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Abstract: | Three varieties of lemon—Lisbon, Malta and Kusner—were examined for their content of juice sac saturated and mono-unsaturated long-chain hydrocarbons. The saturated fractions were 20 times the concentrations of the monoene fractions. The dominant linear hydrocarbon in the saturated fraction was C25 while C29 predominated in the monoene fraction. The saturated hydrocarbon profiles for Lisbon and Kusner were very similar to the profiles previously reported for Eureka lemon and Persian lime. The mono-unsaturated profiles were distinct for each of the three lemon varieties. In addition the lemon mono-unsaturated profiles were quite distinct from the hydrocarbon profiles previously reported for several other citrus species. In general the data support the elongation-decarboxylation mechanism for hydrocarbon synthesis proposed by Kolattukudy. |
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Keywords: | Citrus limon Rutoceae lemon fruit hydrocarbon profiles chemotaxonomy |
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