Guava tree and cat's pee

Carien Coetzee - 02 Feb 2018

This manuscript focusses on volatile thiols in wine that are important compounds contributing to the varietal character of especially Sauvignon blanc wine. These sulphur containing compounds are one of the main reasons for the success observed in Marlborough Sauvignon blanc, with concentrations soaring to levels we can only dream of in South Africa. They are, however, not limited to one variety and significant contributions have been observed in other varietals such as Riesling, Colombard, Semillon, Cabernet Sauvignon and Merlot.  Research conducted at Stellenbosch University involves screening South African Chenin blanc wines to investigate the impact of volatile thiols on the characteristics of this varietal. So far, preliminary results look promising and could affect the way in which this variety is handled in the vineyard and cellar. However, to date, Sauvignon blanc has enjoyed the most attention when it comes to these potent molecules, due to the fact that large quantities can be found in wines made from this cultivar.

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