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The Underutilized Yams (Dioscoreaceae) for Food and Feed Source: Ethnobotanical Evidences from Ilocos Norte, Luzon, Philippines
国际木文化学会 | 51 view(s) | 2022/09/05

会议名称:“2022世界木材日”研讨会暨第四届国际林联(IUFRO)林产品文化研究组讨论会
会议时间:2022年3月22日

报告嘉宾:Menisa A. Antonio
嘉宾简介:菲律宾马里亚诺马科斯国立大学 (MMSU)一级研究员


摘要:

Much of our underutilized and neglected species can be harnessed to diversify the food base for household food security, health and nutrition. Through a key informant (KI) interview and actual forest walk, we documented the species and ethonobotanical evidences on the use of Dioscoreaceae in the Province of Ilocos Norte, the northwest province in the Luzon Island, Philippines.
There were 10 taxa of Dioscoreaceae plants, belonging to nine species and two genera, documented. This is an update on the digital checklist of family Dioscoreaceae in the Philippines, which listed only two species growing in Ilocos Norte. Nine taxa are edible, two of which (Dioscorea hispida and Tacca leontopetaloides) are reported toxic but could be consumed after processed and detoxified appropriately. Dioscorea luzonensis and D. hispida are the top species in terms of utilization as food.  D. esculenta var. spinosa and some varieties of D. alata are used as boiled feedstuff for hogs in some of the study sites. Other documented uses are: laundry starch to stiffen fabrics and linens and medicinal remedy for skin problems. Majority of the informants gather the plants from the wild, process and sell them, giving income supplements to the families. Ethnobotanical data such as the locals’ ethnotaxonomic practice of identifying toxic and edible species, long history of continued utilization dating back to the olden times of their forefathers, presence of traditional knowledge and practices in processing, detoxifying and cooking, developed dishes/recipes, and local terminologies associated with the plants confirm that these occupy an important position in the lives and subsistence of the locals. Wild gathering of the yams have made them more resilient, especially during lean periods and crises such as the current COVID pandemic. It likewise perpetuated the values of frugality and hardwork among them.

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