Production of Ethanol from Tapioca ( Manihot esculenta  Crantz) | Zendy

Srikanta S. | Zendy; Jaleel S. A. | Zendy; Sreekantiah K. R. | Zendy

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Production of Ethanol from Tapioca ( Manihot esculenta Crantz)

Author(s) -

Srikanta S.,

Jaleel S. A.,

Sreekantiah K. R.

Publication year - 1987

Publication title -

starch ‐ stärke

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.62

H-Index - 82

eISSN - 1521-379X

pISSN - 0038-9056

DOI - 10.1002/star.19870390408

Subject(s) - fermentation , hydrolysate , hydrolysis , chemistry , food science , starch , ethanol fuel , ethanol fermentation , ethanol , slurry , manihot esculenta , pulp and paper industry , biochemistry , botany , biology , environmental science , environmental engineering , engineering

Ethanol production from fresh tubers, flour and starch of tapioca was studied by simultaneous saccharification and fermentation procedure. A 20% enzyme‐liquefied slurry showed about 2–3% reducing sugars, which increased to 10% on enzymic saccharification for 4h. Alcoholic fermentation of this hydrolysate with Saccharomyces cerevisiae , Var. ellipsoideus , yielded 8–9% alcohol showing about 95% fermentation efficiency. Large scale fermentation of tapioca flour by this process also showed fermentation efficiency of 90% thereby indicating the economic viability of the process.

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