摘要
During the ageing of wine, many reactions occur generating enormous modifications. After pasteurization (65°C/5minutes) of the mixed cashew apple and papaya wine, physicochemical, microbiological and sensory analyses were performed during the two (2) months of aging. The results showed no significant variation between the young wine and the one aged for two (2) months for pH, titratable acidity, alcoholic percentage and density. However, for ESR, vitamin C, total anthocyanins and aroma a significant difference (p ≤ 0.05) was observed. This difference was observed during the first 45 days and then stabilized until the sixtieth day. Values ranged from 6.3°B to 5.5°B;from 84.65 ± 0.6 to 77.9 ± 0.2 mg/100mL;from 165.5 ± 0.8 to 50.25 ± 0.3 mg/100mL for RDE, vitamin C and total anthocyanins respectively. For aroma, there was more development between the young wine and the one aged for two months. Concerning the sanitary quality, there is a progressive decrease of the different germs during the aging period. Except for yeasts, which are undetectable, the load of aerobic mesophilic germs and lactic acid bacteria varies respectively from 3.5 × 10<sup>5</sup> to 1.4 × 10<sup>5</sup> CFU/mL and from 1.5 × 10<sup>5</sup> to 1 × 10<sup>5</sup> CFU/mL.
During the ageing of wine, many reactions occur generating enormous modifications. After pasteurization (65°C/5minutes) of the mixed cashew apple and papaya wine, physicochemical, microbiological and sensory analyses were performed during the two (2) months of aging. The results showed no significant variation between the young wine and the one aged for two (2) months for pH, titratable acidity, alcoholic percentage and density. However, for ESR, vitamin C, total anthocyanins and aroma a significant difference (p ≤ 0.05) was observed. This difference was observed during the first 45 days and then stabilized until the sixtieth day. Values ranged from 6.3°B to 5.5°B;from 84.65 ± 0.6 to 77.9 ± 0.2 mg/100mL;from 165.5 ± 0.8 to 50.25 ± 0.3 mg/100mL for RDE, vitamin C and total anthocyanins respectively. For aroma, there was more development between the young wine and the one aged for two months. Concerning the sanitary quality, there is a progressive decrease of the different germs during the aging period. Except for yeasts, which are undetectable, the load of aerobic mesophilic germs and lactic acid bacteria varies respectively from 3.5 × 10<sup>5</sup> to 1.4 × 10<sup>5</sup> CFU/mL and from 1.5 × 10<sup>5</sup> to 1 × 10<sup>5</sup> CFU/mL.
作者
Jean Ives Kablan Gnoumou
Doudjo Soro
Blanchard G. A. Adou Gnagne
Ernest K. Koffi
Jean Ives Kablan Gnoumou;Doudjo Soro;Blanchard G. A. Adou Gnagne;Ernest K. Koffi(Food, Chemical and Environmental Process Sciences, Félix Houphouët-Boigny National Polytechnic Institute, Yamoussoukro, Ivory Coast;Laboratory of Biochemistry, Agriculture and Biological Ressource Valorization, Faculty of Biosciences, Félix Houphouët-Boigny University, Abidjan, Ivory Coast)
