Medicinal Plants Sold at Traditional Markets in Southern Ecuador

Medicinal Plants Sold at Traditional Markets in Southern Ecuador

Tinitana et al. Journal of Ethnobiology and Ethnomedicine (2016) 12:29 DOI 10.1186/s13002-016-0100-4 RESEARCH Open Access Medicinal plants sold at traditional markets in southern Ecuador Fani Tinitana1*, Montserrat Rios2,3, Juan Carlos Romero-Benavides2, Marcelino de la Cruz Rot4 and Manuel Pardo-de-Santayana5 Abstract Background: The traditional markets in southern Ecuador and within the Andean region are especially important for plant resource trading among local people, even since before Spanish colonization; therefore, ethnobotanical studies are currently necessary and important. These strategic spaces persist for the traditional medicine cultural value reflected in the higher consumption of medicinal plants, which span all socioeconomic levels of rural and urban people. The purpose of this study includes the following: 1) to create a novel list of medicinal plants sold at 33 traditional markets; 2) to establish medicinal plant use agreement amongst vendors with the Factor of Informant Consensus (FIC); and 3) to determine the most sold medicinal plant species using the Fidelity Level (FL). Methods: This study focus on traditional markets ethnobotany utilizes the largest sample of medicinal plants market vendors up to date in Ecuador, interviewing them at 33 traditional markets, located within the Loja province. In order to determine the most sold medicinal plants and their ethnobotanical information, structured questionnaires and personal conversations were conducted with 196 medicinal plant vendors, and voucher specimens were created. Agreement among vendors about the therapeutic use of medicinal plants was measured using the FIC, and the most sold medicinal plant species were assessed with the FL. Results and discussion: This research registered 160 medicinal plant species, grouped in 126 genera and 57 families that were sold in 33 traditional markets. The uses of medicinal plants in southern Ecuador are related to a long history of traditional medicine health practices that has persisted until today as well as high plant diversity. The 53 therapeutic uses recorded were grouped into 12 medical categories that were adapted from the World Health Organization. Three medical categories shared the highest value for FIC = 0.92, which showed a high level of agreement of market vendors for 57 medicinal plant species sold to treat ailments related with digestive, dermatological, and sensorial systems. The FL index determined 11 culturally important medicinal plant species based on the reported uses by 40 or more market vendors. Two medicinal plant species had an FL = 100 %, Matricaria recutita and Gaiadendrum punctatum, used to treat digestive and respiratory systems ailments. (Continued on next page) * Correspondence: [email protected] 1Departamento de Ciencias Naturales, Universidad Técnica Particular de Loja, San Cayetano Alto, CP: 1101608 Loja, Ecuador Full list of author information is available at the end of the article © 2016 The Author(s). Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated. Tinitana et al. Journal of Ethnobiology and Ethnomedicine (2016) 12:29 Page 2 of 18 (Continued from previous page) Conclusions: In the Loja province, people continue to consume medicinal plant species sold at local markets to treat somatic and/or psychosomatic health ailments because sociocultural customs are strongly expressed in ancestral practices of wellbeing. When the largest values of FL (60.5 %–100 %) and FIC (0.81–0.92) indexes are combined, they demonstrated agreement among 196 market vendors in the use of seven medicinal plant species that were most sold for the 12 medical categories. This study stresses how important public policies are for the trade and quality of medicinal plant resources, particularly for local people practicing auto-medication. Reasons for the maintenance of traditional markets in southern Ecuador include lower cost of medicinal plants, confidence in traditional medicine, and/or sociocultural environment. In Ecuador, the sustainable management of wild medicinal plants diversity, particularly the most sold, is crucial for its conservation in nature. Keywords: Traditional markets, Medicinal plants, Factor Informant Consensus, Fidelity Level, Loja province, Southern Ecuador Background colonization [48]. Throughout the Spanish conquest, a Traditional markets around the world have been recog- new kind of market appeared within public areas nized as places for the trade of plants and their deriva- named “tiánguez” for the exchange of goods; they tive products and have become exchange posts where were also strategic points for bartering, conversation, cultures are expressed through regional trade [1–11]. and the sharing of life experiences [47, 48]. Additionally, markets are a meeting place to display a di- For the Andean region, published studies of traditional verse array of minerals, animals, and plants sold locally, markets that emphasize ethnobotanical aspects have which come from neighboring communities that are cul- been conducted in Venezuela [11], Colombia [18], turally and ecologically diverse [4, 12]. In this way, litera- Bolivia [19, 43], Peru [49–79], and Ecuador [80]. Within ture on traditional markets and traded medicinal plant Ecuador, it is estimated that 273 medicinal plants species species with their value chain flows requires more atten- were sold in the herb stalls (“puestos de hierbas”) of cor- tion from scientists, because ethnobotanical information responding traditional markets, which were located at is rather scarce. six provincial capitals in the Andean and Amazonian re- Current ethnobotanical research at traditional markets gions [80]. These capital cities, represented by Ambato, across continents, considering Asia, Africa, Oceania, and Quito, Riobamba, Nueva Loja, Puyo, and Tena, are the Latin America, contributes to the understanding of plant main points of trade for medicinal plants and their de- diversity through the trade of medicinal plant species rivatives; from these places, commerce routes begin to and their cultural value [13–45]. In this way, market sur- spread throughout the country [81, 82]. veys can help to understand regional networks of pro- More studies are needed to investigate the medicinal ducers, sellers, healers, and consumers by the supply plants sold in Ecuadorian markets [80–85] to determine and demand of medicinal plants and their derivative which medicinal plant species are most sold and how products [4]. The total number of inventoried medicinal these are related to local health disorders. This is par- plant species at a particular traditional market is import- ticularly true for the southern region of the country and ant, but they do not necessarily represent all species specifically for the Loja province, because although it is used in the traditional medicine of a specific human a region rich in plant diversity, it is a region that is defi- group [5, 8]. cient in traditional market studies. In this area, only a According to the World Health Organization (WHO), few ethnobotanical surveys have been conducted, par- the wellbeing of 80 % of the population in developing ticularly on how the “mestizo” population and indigen- countries depends mostly on the use of medicinal plants ous communities use medicinal plant resources from through traditional medicine, spiritual therapies, and an- wild collection and/or homegardens [9, 52, 86–89]. cestral healing practices [46]. This fact is particularly evi- Nowadays, even basic inventoried information ac- dent in the ancestral practices of traditional communities counting for the origins of medicinal plant resources living in rural areas. In Latin America, ethnobotanical and quantities of fresh and/or dry material sold is lack- studies of traditional markets and their history are needed, ing as well as consumers’ usage of these products. Stud- because the trade of medicinal plants and their derived ies of traditional markets are necessary in Ecuador, products has local, national, regional, and international because large gaps in knowledge on flora trade persist. importance, especially given their growing demand This research at Loja province includes the following ob- [15, 47]. In the Andean-Amazonian region including jectives: 1) to create a novel list of medicinal plants sold Ecuador, traditional markets existed before Spanish at 33 traditional markets; 2) to establish medicinal plants Tinitana et al. Journal of Ethnobiology and Ethnomedicine (2016) 12:29 Page 3 of 18 use agreement amongst vendors with the Factor of In- with conditions represented by tropical dry to the west, formant Consensus (FIC) [90]; and 3) to determine the subtropical humid in the central area, and cold humid at most sold medicinal plant species using the Fidelity the east [92]. Level (FL) [91]. Markets Methods Medicinal plants were sold at 15 established markets Study area and 18 open markets located in 13 of the 16 cities in The study was carried out in 33 traditional markets Loja province (Fig. 1). The

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