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1, 1,6-Trimethyl-1,2-dihydronaphthalene (TDN): A Possible Degradation Product of Lutein and beta-Carotene

  • Marais J
South African Journal of Enology & Viticulture (2017) 13(1)
DOI: 10.21548/13-1-2200
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Abstract

Lutein and beta-carotene were heated in H2S04 and ethanol/tartaric acid media adjusted to pH 1 and 3, respectively. Various products were formed, but 1,1,6-trimethyl-1,2-dihydronaphthalene (TDN), responsible for the kerosene-like flavour of aged Weisser Riesling wines, derived from lutein only.

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APA

Marais, J. (2017). 1, 1,6-Trimethyl-1,2-dihydronaphthalene (TDN): A Possible Degradation Product of Lutein and beta-Carotene. South African Journal of Enology & Viticulture, 13(1). https://doi.org/10.21548/13-1-2200

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