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坦桑尼亚东乌桑巴拉山脉农场和森林中的野生食物。

Wild foods from farm and forest in the East Usambara Mountains, Tanzania.

作者信息

Powell Bronwen, Maundu Patrick, Kuhnlein Harriet V, Johns Timothy

机构信息

a School of Dietetics and Human Nutrition and the Centre for Indigenous Peoples' Nutrition and Environment , McGill University , Montreal , Quebec , Canada.

出版信息

Ecol Food Nutr. 2013;52(6):451-78. doi: 10.1080/03670244.2013.768122.

Abstract

This study explored the role of wild foods in the diets of children and mothers in the East Usambara Mountains (N = 274 dyads). We identified 92 wild food species. Although dietary diversity (most measures) was not different between seasons, wild foods accounted for a greater percentage of items consumed in the wet (food insecure) season. Many wild foods were obtained on farm; wild foods obtained from the forest accounted for less than 3% of food items consumed. Wild foods were used by virtually all informants but contributed only 2% of total energy in the diet. However, they contributed large percentages of vitamin A (RAE) (31%), vitamin C (20%), and iron (19.19%). Agricultural factors (e.g., hours spent in farm) were associated with greater wild food use. These findings suggest participation in agriculture may be important for the maintenance of wild food use, and that wild foods can play an important role in the nutritional resilience of local people.

摘要

本研究探讨了野生食物在东乌桑巴拉山脉儿童和母亲饮食中的作用(N = 274对)。我们识别出92种野生食物物种。尽管不同季节之间的饮食多样性(大多数指标)并无差异,但野生食物在雨季(粮食不安全时期)所消费食物中所占的比例更高。许多野生食物是在农场获取的;从森林中获取的野生食物占所消费食物的比例不到3%。几乎所有受访者都食用野生食物,但野生食物仅占饮食总能量的2%。然而,它们在维生素A(视黄醇活性当量)(31%)、维生素C(20%)和铁(19.19%)的摄入量中占比很大。农业因素(如在农场花费的时间)与更多地食用野生食物有关。这些发现表明,参与农业活动可能对维持野生食物的食用很重要,并且野生食物可以在当地居民的营养恢复力方面发挥重要作用。

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