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Monoterpenes in pinot gris

Hello, Does anybody know the content of monoterpenes in pinot gris juice compared with e g that of riesling, or muscat? Googled so I have to put my eyes in ice water to make them quit steaming ... Cheers and TIA Nils

Reply to
Nils Gustaf Lindgren
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So volatile, they are gone by the time you put the probe in... :-)))

Reply to
Mike Tommasi

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Monoterpenes are molecules derived from two isoprene units, giving them

10 carbons. Well-known monoterpenes are the pinenes (alpha and beta, Pine-Sol constituents), limonene (oil of lemon), geraniol (rose oil), camphor, menthol, thujone (from wormwood and other herbs), etc. They are typically aromatic liquids. They are easily analyzed using gas chromatography (GC), but I doubt that anyone (aside from Gallo, perhaps) has done an exhaustive analysis of wine terpenes by GC.

Mark Lipton

Reply to
Mark Lipton

I finally found some data on a German site,

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which indicates that the monoterpene content is about an order of magnitude less in PG than in Riesling. Different sources give different baselines for Riesling, which at least in part should be due to the provenance of the must, as it ahs been demonstrated to what extent monoterpene content varies according to exposure, canopy managment, and other factors. This places PG on the same level as CabSauv and SauvBl. The aroma profile of PG apparently depends to a larger part on volatile thiols and other flavor compounds, but research is incomplete.

My interest is due to an upcoming lecture on "aromatic white wines" in which Alsace PG is included.

Thank you for taking an interest.

Cheers

Nils "Mark Lipt>>

Reply to
Nils Gustaf Lindgren

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