Petrolton

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Term (also Juchtenton or Kerosinton) for a characteristic smell and taste in especially white wine. However, this must not be confused with firn (aged firn). Petrol tone is reminiscent of mineral oil (paraffin), paraffin or petrol or tanned leather (leather tanned using birch bark tar substance). Petrol tint mainly occurs in white wines from the Riesling variety from physiologically ripe grapes with a high content of carotenoids. This is promoted by high exposure (sunlight), which is why Riesling wines from warmer growing regions, such as South Africa and Australia, are particularly affected. In the vineyard, this is tried to be prevented by less defoliation and thus greater shading of the grapes. According to studies at the Klosterneuburger Weinbauinstitut (Lower Austria), wines from cooler vintages are much less affected by this odour phenomenon.

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Petrolton

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