International Journal of Advances in Science, Engineering and Technology(IJASEAT)
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Paper Title
Microencapsulation of Piper Betlel. and boesenbergia Pandurataessential Oils using Inclusion Complexation and their Antimicrobial Activity

Abstract
Boesenbergia pandurata essential oil(BEO)and Piper betleL. essential oil(PEO)were encapsulated in -CD by co-precipitation method. The results indicated that the initial essential oil content and type of EO had an effect on the physico-chemical and antimicrobial properties. The PEO microparticles were more effective than the BEO microparticles. The best ratios of the BEO and PEO/-CD inclusion complex was a 50:50 with 98.88 (%EE), 99.51 (%EC), 63.20 (%yield) anda 25:75 with72.80(%EC), 35.36 (%EC), 64.93 (%yield) respectively.The morphology analysis and the encapsulation analysis of themicroparticles were confirmed by scanning electron microscopy. All images revealed irregular shape and strong tendency of agglomeration. The BEO microparticlesand PEO microparticles showed inhibitory and bactericidal effects on six tested bacteria. The PEO/-CDinclusion complex showed the lowest concentration of MIC (0.15%w/v) on B. cereusATCC 11778, S.TyphimuriumATCC 13311and Y.enterocoliticaDMST 17911. While the BEO/-CDinclusion complex displayed the lowest concentration of MIC(0.3%w/v) on E. coli 6795 and S.TyphimuriumATCC 13311. This finding suggested that BEO andPEOinclusion complexes could be applied tonatural food preservative in food industries. Index Terms - Inclusion complexation, Boesenbergia pandurata essential oil, Piper betleL.essential oil, Microorganism -cyclodextrin,Antimicrobialactivity.


Author - Bussaba Poosri, Chuenjit Chancharoonpong, Suriyan Supapvanich, Racha Tepsorn

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