Varietal and environmental influences on organoleptic and cooking quality of water yam (Dioscorea alata) landraces

被引:1
|
作者
Rinaldo, Dominique [1 ,3 ]
Rolland-Sabate, Agnes [2 ]
Lange, David [1 ]
Petro, Dalila [1 ]
机构
[1] INRAE, Petit Bourg, Guadeloupe, France
[2] INRAE, Avignon, France
[3] Domaine Duclos, INRAE, UR ASTRO 1321, F-97170 Petit Bourg, Guadeloupe, France
关键词
yam; textural properties; susceptibility to browning; genotype-by-environment interaction; efficient breeding; consumer preferences; SENSORY PROPERTIES; TUBERS; FLOUR; L;
D O I
10.1002/jsfa.12873
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
BACKGROUNDYam is a major staple food that provides both energy (starch) and bioactive compounds. However, there is a lack of knowledge on its cooking quality. We have determined the cooking quality of five varieties of water yam (among those most appreciated by consumers), when they were steamed or boiled. The yams were grown in two contrasting locations with regard to pedoclimatic conditions. RESULTSRatio of length to mean circumference of the tuber, difficulty to peel, cooking time, color attributes, hardness of steamed pulp, and dry matter (DM) and starch contents significantly varied among varieties. Cooking time and hardness of the cooked pulp, either steamed or boiled, were higher for tubers grown at the drier location, with vertisols, than at the rainy one, with a ferralitic soil. The raw pulp was richer in starch at the rainy location. We found no correlation between either textural properties or DM and the cooking time. A slight (r = 0.44) but significant correlation was recorded between the DM of the raw pulp and the hardness of the steamed product. CONCLUSIONWe propose a comprehensive multicriteria approach for determination of yam cooking quality, textural properties, color attributes and chemical composition, along with varietal and environmental influences. This approach takes into consideration the complexity of food quality, allows a better understanding of its determinants and provides a basis for useful guidelines for breeders. & COPY; 2023 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
引用
收藏
页码:4729 / 4737
页数:9
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