Six morphologically different groups of yeasts comprising Kloeckera apiculata. Candida krusei, Candida valida, Candida sorbosa, Metschnikowia pulcherrima and Saccharomyces chevalieri were isolated from fresh, fermenting and fermented apple juice. This is the first report on the isolation of C. valida, C. sorbosa and S. chevalieri from fermenting and fermented apple juice.
Candida guilliermondii var. guilliermondii, a yeast which showed high resistance to actidione, was isolated from a red wine sample. Growth in 5000 parts/106of actidione was equal to that of the control. Sorbic acid and sodium benzoate were most effective in checking the growth at 250 parts/106but growth occurred at 750 parts/106of potassium metabisulphite. Fermentation of glucose, galactose, sucrose and raffinose was not inhibited in the presence of 1000 parts/106actidione. This is the first report on the occurrence of actidione‐resistant yeasts in the genus Candida and on the isolation of C. guilliermondii var. guilliermondii from wine.
Fifteen morphologically different groups of yeasts consisting of Metschnikowia pulcherrima, Trichosporon cutaneum, Kloeckera apiculata, Torulopsis Candida, Tor. glabrata. Tor. apicola, Candida tropicalis, Cand. krusei, Cand. sorbosa, Cand. diversa, Pichia terricola, Pic. membranaefaciens, Hyphopichia burtonii, Rhodotorula graminis and Aureobasidium pullulans were isolated from fresh, fermenting and fermented juice of two varieties of mango. This is the first report on the study of yeast flora of mango and also on the occurrence of Hyp. burtonii on fruits.
Nine morphologically different strains of yeasts were isolated from fresh, fermenting arid fermented juice of niahua flowers and identified by both morphological and biochemical characteristics. The yeasts belonged to six genera namely, Kloeckera (Ki. apiculoto), Candidu ( C . Xrusei and C. tropicalis), Torulopsis (T. apicolu and Toriilopsis sp.), Picliiu (P. terricolo), Sacchoromycrs ( S . chev~lieri and S. cerevisiue)and an unidentified genus.
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