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Table 2.

Composition of stable carbon isotopes (13C/12C) in carbohydrates (sugars) of grape varieties and ethanol of dry wines of the Anapa district (Semigorye area) of the South West Coast of the Greater Caucasus (crop of 2017).

Grape variety Area1 δ13CVPDB,‰ 
carbohydrates (sugars) ethanol
Riesling (wine) Semigorye − 26.62± 0.07 − 25.99± 0.06
Cabernet Sauvignon (wine) − 26.28± 0.01 − 26.77± 0.06
Merlot (wine) − 27.36± 0.22 − 27.29± 0.01
Chardonnay (wine) − 25.79± 0.01 − 25.78± 0.19
Sauvignon Blanc (wine) − 26.62± 0.13 − 26.28± 0.20
Pinot Noir (wine) − 26.88± 0.10 − 25.94± 0.19
Krasnostop (wine) − 26.56± 0.01 − 26.28± 0.09
Riesling (must) − 24.71± 0.26 n.d
Cabernet Sauvignon (must) − 24.91± 0.07 n.d
Merlot (must) − 25.92± 0.03 n.d.
Chardonnay (must) − 24.28± 0.02 n.d.
Sauvignon Blanc (must) − 25.26± 0.03 n.d.
Pinot Noir (must) − 24.54± 0.05 n.d.
Krasnostop (must) − 23.89± 0.07 n.d.
Cabernet Franc (must) − 23.87± 0.03 n.d.
*

Notes to the table 1:

*

1 For area's description see 1.

*

2 n.d. = Not determined.

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