Abstract
Around hundreds of plant’s species have been confirmed to produce toxic that could endanger the life of human or domestic animals. Some of those plants have potentials to be developed as medicine. The objective of this study is to reveal the secondary metabolite content of toxic plants mentioned by Tengger tribe on Ngadiwono village through phytochemical and histochemical screening test. This study was conducted on Ngadiwono village, Tosari district, Pasuruan Regency. Informants were selected using snowball method by following the information of key person (n informant=14). Plants were selected and collected according to the local knowledge, then was analyzed qualitatively for its secondary metabolite content through phytochemical and histochemical screening test. The results showed that there are 8 plant species categorized as toxic by local people, including Bedor ( Girardinia palmata ), Kecubung Bunga Kuning ( Brugmansia suaveolens ), Kecubung Bunga Putih ( Brugmansia suaveolens ), Jarak ( Ricinus communis ), Terpasan Kuning ( Cestrum elegans ), Terpasan Merah ( Cestrum elegans ), Kudisan ( Euphorbia pulcerrima ), and Ciplukan ( Physalis peruviana ). The phytochemical result indicated that all toxic plants mentioned by the local people contain alkaloid substancess, while histochemical test showed that alkaloid substances were found in leaf trichomes, except in Terpasan Merah ( Cestrum elegans ). Keywords: Fitochemical, Histochemical, Tengger Tribe, Toxic Plant.
Highlights
Most of the Tengger Tribe live by depending on the environment, including the utilization of plants and animals’ biodiversity [1]
Reflecting the potency of secondary metabolite in toxic plants as revealed by previous study, the aim of this study is to identify secondary metabolite in toxic plants according to the information from Tengger tribe in Ngadiwono village
The result of this study revealed 8 toxic Plants that usually utilizes by local people
Summary
Most of the Tengger Tribe live by depending on the environment, including the utilization of plants and animals’ biodiversity [1]. The biological resources utilized by Tengger Tribe is including plants that have been utilized by human all over the world for a long time. There are more than hundreds toxic plants, and some of them have potentials to be developed as medicine. Chondodendron tumentosum contains of toxic alkaloid substancess called DTubocurarine. This toxic usually used by Indian society in Amazon to create poisoned arrows. That substances is developed as muscle relaxant for surgery [5] All of those natural substancess become the basic for developing new medicine with a better quality. Reflecting the potency of secondary metabolite in toxic plants as revealed by previous study, the aim of this study is to identify secondary metabolite in toxic plants according to the information from Tengger tribe in Ngadiwono village
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