Current Nutrition & Food Science

Undurti N. Das  
UND Life Sciences
Shaker Heights
OH 44120
USA

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Fermentative Production of Guava-Wine (Psidium guajava L.) Using S. cerevisiae MTCC 11815

Author(s): Pooja Nikhanj, Gurvinder Singh Kocher.

Graphical Abstract:


Abstract:

Healthy, ripened fruits of Guava pink variety Punjab were used for guava-wine production. After selection, juice extraction and pasteurization, the pre-fermentation of guava “must” was carried out by a commercial pectinase using Response Surface Methodology where a 47.2% decrease in OD550 nm and 95% juice yield were observed in the statistical combination of 45°C, 6h and 0.50 mg/100ml. The effect of different fermentation parameters viz. sugar, temperature, inoculum size and DAHP supplementation revealed 25°B, 25°C, 9% and 300 mg/100ml as optimum respectively, with an ethanol production of 13.8% (v/v) in 6 days. The volatile characterization of guava-wine identified 68 volatile compounds, including 33 esters, 8 alcohols, 5 terpenes, 5 phenols (aromatic hydrocarbons), 2 ketones, 1 alkene derivative and 14 miscellaneous compounds. The sensory analysis of matured wine categorized it as a ‘Superior” grade wine with a mean sensory score of 68.4±2.56.

Keywords: Fermentation parameters, guava, optimization, S. cerevisiae, wine.

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Article Details

VOLUME: 11
ISSUE: 1
Year: 2015
Page: [21 - 30]
Pages: 10
DOI: 10.2174/1573401310666140306002635