C17. A Pilot Study of Chemical Composition and Major Compounds of Conservation Plant: A Case Study of Ma-Kwan from Doi Phu Kha, Nan Province
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Abstract
Introduction: The plant genetic conservation project under the royal initiative of Her Royal Highness Princess Maha Chakri Sirindhorn in response to the royal initiative by Mae Fah Luang University Botanical Garden has been a continuous survey and study on the utilization of indigenous plants. The results found that 391 types of Lua people and residents of Doi Phu Kha, Nan Province, categorized as food plants, medicines, housing, equipment and utensils. plants used in ceremonies and found an important spice is Ma-kwan (Zanthoxylum limonella).
Objective: The aim of this pilot to study the chemical composition of conservation plant and create a database of chemical composition of Ma-kwan that found in Doi Phu Kha, Nan Province.
Methods: The fresh Ma-kwan were dried, pericarps and seeds were separated and coarsely grinded then the essential oils were collected by water distillation method. The essential oils from pericarp and seed’s part were analyzed for their chemical composition using Gas Chromatography-Mass Spectrometry (GC-MS).
Results: 35 compounds were found in essential oil; Piperitenol and p-Cymene were the most major compounds from pericarp and seed respectively. Moreover, essential oils obtained from the pericarp and seed have 16 identical compounds.
Conclusion: From the results of this study, the quantity and chemical composition of the essential oils from the fresh fruits will be recorded for comparison with fresh or dried fruits from different sources. They also know the major compounds found in the essential oils of fresh Ma-kwan found in Doi Phu Kha, Nan Province.
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