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Study of Varietal Influence Post Conservation on Biochemical and Sensory Qualities of Attiékéand Boiled Cassava (Manihot esculenta Crantz)

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Agricultural Sciences 2016年第3期7卷 127-136页

作者： Pierre Martial Thierry Akely yves djina Brou Roger Konan Kady Irie Lucien Patrice Kouame N’guessan Georges Amani Laboratoire de Biochimie Alimentaire Technologie de Produits Tropicaux UFR STA UNA Abidjan Cote d’Ivoire Section Sciences de la vie et de la Terre Sciences et Technologie ENS Abidjan Cote d’Ivoire Laboratoire d’Enzymologie et Catalyse Enzymatique UFR STA UNA Abidjan Cote d’Ivoire

Cassava root is shortly preserved after harvesting due to its tanning and rapid physiological decomposition. Consequently, the commercial value is reduced and the craving of its finishes products. With an aim of improving physiological quality, post harvest food value “the effects of bleaching and conservation in silo-pits were evaluated. Four (04) varieties of cassava: Bocou1, Bocou2, Bocou3 and Yavo were collected fresh and healthy in 13 months of maturity. They were subjected to a bleaching (65°C /15 - 30 s) followed by a kinetic conservation (7 days of intervals) in silo-pit (1 × 0.6 × 0.5 m). Results show that Bocou2 variety has the high proteins content (2.64% ± 0.01%), followed by hydrocyanic acid (8.21 ± 0.01 mg/100 g) and total carotenoids (26.7 μg/100 g). The conservation influences positively the protein content, reducing sugars content, the dries matter content and the total phenolic compounds for all the varieties excluded Bocou2 variety whose protein content drops. As regard of the fat contents, a weak increase is observed. The sensory analysis reveals that the boiled cassava of the Yavo variety is more appreciated followed by Bocou1 variety. Concerning the Attiéké, Bocou3 variety gives the more appreciated dish followed by the Yavo variety. In conclusion, the silo-pit conservation after bleaching improves the physiological quality of the cassava and the sensory taste even during 14 days. This study has a huge impact of reducing the post harvests losses and increases the commercial value of cassava in the world.

关键词： Cassava Atttieke Boiled Post Conservation Silo-Pit Case Sensory Quality

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