The occurence of non-Saccharomyces cerevisae yeast species over three vintages in four vineyards and grape musts from four production regions of the Western Cape, South Africa

afrique du sud analytical methods biochemistry biochimie bioquímica candida cándida fruit musts levadura de vino levure de vinification mosto de frutas moût de fruits south africa sudáfrica technique analytique técnicas analíticas vin vinificación vinification vinos wine yeast winemaking wines