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Abstract
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Article Information:
Monitoring of Some Biochemical Parameters of Two Yam Species (Dioscorea Spp) Tubers Parts During Post-Harvest Storage
M. Kouakou Dje, S. Dabonne, S. Tagro Guehi and L. Patrice Kouame
Corresponding Author: Dabonne Soumaila
Submitted: 2010 May, 03
Accepted: 2010 May, 21
Published: 2010 May, 30 |
Abstract:
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Yams tubers of "Bètè-bètè" variety from Dioscorea alata species and "Kangba" variety from
Dioscorea cayenensis-rotundata species were kept for six (6) months after harvest in an aired storage
(26.56±3ºC; 82±5% RH). Some biochemical parameters of different parts of tubers were analyzed during the
post-harvest preservation. Dry matters, reducing sugars and total sugars contents increased significantly
(p#0.05) during preservation from the month 0 to the month 6 and varied from a tuber part to another one. Dry
matter content was elevated in the proximal parts, w hile reducing sugars and total sugars contents are high in
the distal parts. The highest content of total phenolic compounds was found in proximal parts of tubers. It varied
from a tuber part to another one and decreased significantly (p#0.05) during storage. With the exception of Ni,
a significant loss of mineral (Ca, Mg and Zn) was noticed in different parts of yams tubers after six months.
On the other hand lipids and crude proteins contents didn’t vary significantly on the threshold of 5% during
storage what ever the variety and the part of the tuber was.
Key words: Dioscorea alata, Dioscorea cayenensis-rotundata, post-harvest, preservation, proximate composition, tuber parts,
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Abstract
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Cite this Reference:
M. Kouakou Dje, S. Dabonne, S. Tagro Guehi and L. Patrice Kouame, . Monitoring of Some Biochemical Parameters of Two Yam Species (Dioscorea Spp) Tubers Parts During Post-Harvest Storage. Advance Journal of Food Science and Technology, (3): Page No: 178-183.
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ISSN (Online): 2042-4876
ISSN (Print): 2042-4868 |
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