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Agricultural and Resource Economics
Dioscorea dumetorum; Raw; Cooked; Physical changes; Chemical changes; Biochemical changes; Textural changes; Post-harvest storage
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Biochemical And Textural Changes In Trifoliate Yam Dioscorea Dumetorum Tubers After Harvest, Emmanuel Ohene Afoakwa, Samuel Sefa-Dedeh
Biochemical And Textural Changes In Trifoliate Yam Dioscorea Dumetorum Tubers After Harvest, Emmanuel Ohene Afoakwa, Samuel Sefa-Dedeh
Professor Emmanuel Ohene Afoakwa
Biochemical and textural changes were investigated in trifoliate yam Dioscorea dumetorum tubers, after harvest, in an attempt to study the chemical and physical changes associated with the raw and cooked tubers and how these relate to the hardening phenomenon of the tubers after harvest. A 2x2x3x4 factorial experiment, with cultivar, storage condition, treatment and storage time as their respective variables, was done. Samples were analysed for moisture, starch, reducing sugars, alcohol-soluble sugars, acid and neutral detergent fibre, cellulose, hemicellulose and lignin. The Warner–Bratzler test cell was used in a TA.XT2 Texture Analyser to measure the hardness of cooked tubers. The …