Fate of diethyl pyrocarbonate in wine

G Thoukis, RJ Bouthilet, M Ueda… - American Journal of …, 1962 - Am Soc Enol Viticulture
DEPC-C14 added to water hydroyzed completely to yield ethyl alcohol and carbon dioxide.
However, when this compound was added to wine only a 97 to 98 per cent hydrolysis took …

Anomalous results in the determination of diethylcarbonate in wine

MA McCalla, GR Barr, WH Kipp - Journal of the Association of …, 1977 - academic.oup.com
Routine analyses of some wines for the presence of diethylcarbonate, using AOAC method
11.066—11.068, show a peak with the same retention time as diethylcarbonate, although an …

Ethylcarbamate in fermented beverages and foods. II. Possible formation of ethylcarbamate from diethyl dicarbonate addition to wine

CS Ough - Journal of agricultural and food chemistry, 1976 - ACS Publications
Determination was made of theeffects on the formation of ethylcarbamate in model solutions
that pH, ammonia, and diethyl dicarbonate (DEDC) have in the ranges found or used in …

Investigations into ethyl carbamate, n-propyl carbamate, and urea in fortified wines

CE Daudt, CS Ough, D Stevens… - American journal of …, 1992 - Am Soc Enol Viticulture
A number of fortified wines, old and young, were analyzed for ethyl carbamate, n-propyl
carbamate and urea. The pattern for port-type wines was found to be fairly low in both urea …

Collaborative study of a gas-liquid chromatographic method for the determination of diethylcarbonate in wine

HW Kahn - Journal of the Association of Official Analytical …, 1972 - academic.oup.com
A gas-liquid chromatographic method for diethylcarhcmate in wine was collaboratively
studied in the spring of 1971. Twelve collaborators were sent 4 samples of wine in duplicate …

Formation of methanol and ethyl methyl carbonate by dimethyl dicarbonate in wine and model solutions

PA Stafford, CS Ough - American Journal of Enology and …, 1976 - Am Soc Enol Viticulture
Dimethyl dicarbonate (DMDC) has been proposed as a possible alternative to diethyl
dicarbonate as a cold sterilant for use in packaging alcoholic beverages. Some of the …

The effect of fermentation and extended lees contact on ethyl carbamate formation in New York wine

IM Tegmo-Larsson… - American journal of …, 1990 - Am Soc Enol Viticulture
A comparison of the ethyl carbamate content of fermented and non-fermented grape juice
from five grape varieties grown in New York shows that the non-fermented juice samples …

Ethyl carbamate formation: reaction of urea and citrulline with ethanol in wine under low to normal temperature conditions

DF Stevens, CS Ough - American Journal of Enology and …, 1993 - Am Soc Enol Viticulture
A two year storage study determined the effect of time and temperature on the formation of
ethyl carbamate from the reaction of ethanol with urea and with citrulline. Under fairly normal …

Ethyl carbamate precursors in grape juice and the efficiency of acid urease on their removal

IM Tegmo-Larsson… - American journal of …, 1990 - Am Soc Enol Viticulture
Non-fermented juices from 15 different grape varieties grown in New York were found to
generate 19 to 54 µg/L of ethyl carbamate upon heating at 70° C for 48 hours in the …

Preliminary comments on effects of grape vineyard nitrogen fertilization on the subsequent ethyl carbamate formation in wines

CS Ough, D Stevens, J Almy - American journal of enology …, 1989 - Am Soc Enol Viticulture
oo Oi/oo//~ Page 1 Research Note Preliminary Comments on Effects of Grape Vineyard
Nitrogen Fertilization on the Subsequent Ethyl C arbamate Formation in Wines CS OUGH …