Fatty Acid Profile And Physico-Chemical Parameters of Castor Oils in Tanzania

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dc.contributor.authorOmari, Athumani.
dc.contributor.authorMgani, Quintino A.
dc.contributor.authorMubofu, Egid B.
dc.date.accessioned2016-06-26T17:33:33Z
dc.date.available2016-06-26T17:33:33Z
dc.date.issued2014-12
dc.description.abstractThis paper reports on the assessment of the quality and quantity of castor oil from castor seeds collected from different regions in Tanzania. The castor seeds from Arusha, Dar es Salaam, Dodo-ma, Iringa, Kagera and Morogoro regions in Tanzania were extracted by Soxhlet method using n-hexane and the oil yields were determined. The yields were 52.78%, 49.95%, 47.89%, 44.23%, 43.71% and 43.69% for Dodoma, Arusha, Iringa, Morogoro, Kagera and Dar es Salaam respectively. The physico-chemical parameters that were determined were refractive index (1.468-1.473), pH 5.7-6.3, viscosity (0.943-0.954), specific gravity (165.50-187.46 mg KOH/g Oil), saponification value (76.68-80 mg KOH/g Oil), iodine value (76.68-80.12 g I2/100 g Oil), acid value (0.44-1.97 mg NaOH/g Oil), free fatty acid (0.22-0.99) and peroxide value (10.79-13.73). Fatty acid profile of castor oil was analysed using Shimadzu GCMS and ricinoleic acid ranged from 83.5% to 92.3% of the total fatty acids in the castor oils.en_US
dc.identifier.citationOmari, A., Mgani, Q.A. and Mubofu, E.B., 2015. Fatty Acid Profile and Physico-Chemical Parameters of Castor Oils in Tanzania. Green and Sustainable Chemistry, 5(04), p.154.en_US
dc.identifier.doi10.4236/gsc.2015.54019
dc.identifier.urihttp://hdl.handle.net/20.500.11810/2761
dc.language.isoenen_US
dc.subjectCastor Oilen_US
dc.subjectFatty Acid Profileen_US
dc.subjectCharacterizationen_US
dc.titleFatty Acid Profile And Physico-Chemical Parameters of Castor Oils in Tanzaniaen_US
dc.typeJournal Article, Peer Revieweden_US
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