Plant husbandry – Process
Patent
1989-09-08
1991-12-03
Feyrer, James R.
Plant husbandry
Process
71113, 71122, 71DIG1, 426640, A01C 100, A01G 700, A01N 2502
Patent
active
050689983
ABSTRACT:
The present invention relates to a process for improving the organoleptic properties of wines comprising the step of treating standing grapes that will be used for wine production less than one month before harvest with a composition containing, as active ingredient, at least one anionic surface-active agent capable of rendering the cuticle of grapes hydrophilic, said composition being applied at a rate of about 5 to 50 liters per hectare.
The standing grapes are preferably sprayed with an aqueous suspension containing less than 20% by volume of a composition containing, as active ingredient, an alkali metal, preferably potassium, salt of an unsaturated fatty acid containing at least 16 and preferably 18 carbon atoms of an alkali metal, preferably posassium, salt of sulphate-containing fatty alcohols containing a significant proportion of C.sub.16 to C.sub.18 fatty alcohols or a sulphonated oil, such as an alkali metal sulphooleate of sulphoricinoleate.
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patent: 4231788 (1980-11-01), Siemer et al.
patent: 4433002 (1984-02-01), Zilch
Hart, H., et al. "Carboxylic Acids and Their Derivatives", `Fats, Oils, Waxes and Detergents` Organic Chemistry (3rd Ed.) 1966 Houghton Miffin Co., Boston pp. 179-181;208-219.
Ponting, V. et al. "Temperature and Dipping Treatment Effects on Drying Rates and Drying Times of Grapes" Food Technology, Dec. 1970 pp. 85-88 (vol. 24).
Petrucci, V., et al. (1974) "Use of Oleic Acid Derivatives to Accelerate Drying of Thompson Seedless Grapes" J. Oil. Chem. Soc., vol. 51, No. 3,1974 pp. 77-80.
Bolin, H. R., et al. (1980) "Fatty Acid Esters and Carbonates in Grape Drying", J. Food Sci., vol. 45, No. 3, pp. 754-755.
Grncarevic, M., (1963) "Effect of Various Dipping Treatments on the Drying Rate of Grapes for Raisins" Amer. J. Entology and Viticulture vol. 14 pp. 230-234.
Anderson, W. P. "7 Formulations and Surfactants" Weed Science:Principles 1977 West Publishing Co., pp. 299-330.
The Feasibility of Using a Sprayed Oleic Acid Ester/Potassium Carbonate Mixture to Hasten the Maturity of Wine Grapes by Raymond Etherridge Watson, III, California State Univ. Fresno May 1981.
Amchim S.A.
Feyrer James R.
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