Proximate Analysis and Production of Bio-ethanol from Sweet Potato (Ipomoea batatas) White Cultivars obtained from Samaru Zaria
نویسندگان
چکیده
This study entails the production of bioethanol from peels sweet potato white cultivar variety obtained in Zaria, Kaduna State Nigeria. Fresh with proximate composition 72% moisture content, 9.71% ash 24.52% crude fiber, 78.74% total carbohydrate and protein 6.42% were hydrolyzed 3% sulphuric acid solution at 130oC 60 minutes an improvised reactor to generate 54.5ml hydrolyzate after steam pretreatment step. The fermentable reducing sugar 10.68% was achieved through glucose standardization UV-spectrophotometer 540nm wavelength. fermentation –yeast/media mixture (155ml) 30oC for 72hours by commercial grade saccharomyces cerevisiae yield 20.5g/54.5ml, which corresponds 0.8198g/ml specific gravity 93.6% ethanol concentration. molecular sieve eventually adopted dehydrating 99.9% (0.8072g/ml) concentration final 1.61% per 50g w. cultivar. FTIR spectrum that declares ethanolic identity stretching vibrations O-H, C-O C-H 3391, 1055 2981cm-1 respectively symmetric vibration methyl groups 2930cm-1.
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ژورنال
عنوان ژورنال: Bayero Journal of Pure and Applied Sciences
سال: 2022
ISSN: ['2006-6996']
DOI: https://doi.org/10.4314/bajopas.v14i2.18