Biochemistry of postharvest spoilage of sweet potato (Ipomoea batatas L.). 2. Comparison of cellulolytic enzyme production in cultures and fungi-infected sweet potato tubers | Zendy

Ramesh C. Ray | Zendy

Open Access

Biochemistry of postharvest spoilage of sweet potato (Ipomoea batatas L.). 2. Comparison of cellulolytic enzyme production in cultures and fungi-infected sweet potato tubers

Author(s) -

Ramesh C. Ray

Publication year - 2006

Publication title -

annals of tropical research/annals of tropical research (visayas state university-online)

Language(s) - English

Resource type - Journals

eISSN - 0116-0710

pISSN - 2704-3541

DOI - 10.32945/atr2814.2006

Subject(s) - postharvest , rhizopus oryzae , food spoilage , ipomoea , cellulase , biology , food science , convolvulaceae , rhizopus , cellulose , horticulture , botany , biochemistry , bacteria , fermentation , genetics

The study was conducted to determine the production in vitro and in vivo of cellulases by Botrydiplodia theobromae and Rhizopus oryzae. Isolates of these organisms were obtained from the postharvest decay of sweetpotato tubers.Results revealed that B. theobrornae and R. oryzae which were isolated from postharvest spoilage of sweetpotato tubers produced endo-13-1,4-glucanase and exo-V-1 ,4-glucanase in culture and in fungi-infected tissues of sweetpotato tubers. The optimum temperature and pH for cellulose synthesis and activity were 30°C and pH 6.5, respectively.

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