Chemistry Reflection

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When I was in high school, I like chemistry class the most because every experiment always made me so excited. I was curious what will happen when the chemical reaction take place. When I learned more about chemistry, I realized that this field of science can create incredible benefits with various applications. It is very fascinating. Consequently, I decided to study in Chemistry, Faculty of Science at Chulalongkorn University, Thailand. During my undergraduate degree, in the fourth year, I did research on “Bioactive Compounds From Caesalpinia pulcherrima (The Delonix Regia) in Thailand”. This project focused on extraction, purification bioactive compounds from bark of Caesalpinia pulcherrima and testing their biological activities. I used solvent extraction technique and column chromatography to extracted and purified crude extract. The results of NMR indicated that crude extract afforded three flavone compounds. They were 7-hydroxy-2-(4-hydroxy- phenyl)-chroman-4-one, 5, 7-dihydroxy-2-(4-hydroxy-phenyl)-chroman-4-one and 3, 5, 7-trihydroxy-2-(4-hydroxy-phenyl)-chroman-4-one. However, these compounds did not show antimicrobial activity and cytotoxic to tumor cell lines as I expected. I gained new knowledge and experience beyond the textbooks particularly research skill and working under pressure. Furthermore, I enjoyed it throughout this project. Personally, I enjoy learning new things and diverse knowledge. I would like to know application of chemistry in other

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