optimization of stirring speed and stirring time toward nanoparticle size of chitosan-siam citrus peel (citrus nobilis l.var microcarpa) 70% ethanol extract

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ID: 175947
2017
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Abstract
Siam citrus peel (Citrus nobilis L. var. Microcarpa) is a plant derived from Sambas Regency, West Kalimantan Province. Bioavailability of herbal active compounds can be enhanced by formulating extract into nanoparticle. The polymer used was chitosan with crosslinker Na-TPP. Stirring speed and stirring time play an important role to produce small particle size in forming nanoparticle using ionic gelation method. Enhancement of stirring speed and stirring time could reduce particle size. Nanoparticles were prepared using ionic gelation method by mixing Na-TPP, extract and chitosan (1:1:6) with varying the stirring speed 500 rpm, 1000 rpm, 1500 rpm and stirring time 1 hrs, 2 hrs, 3 hrs. The particle size of nanoparticle was found to be 85.3 nm at 1000 rpm of stirring speed and 3 hrs of stirring times, with polidispersity index 0.287, zeta potential +32.37 mV and entrapment efficiency 87.12 %.
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taurina2017majalahoptimization Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Wintari Taurina;Rafika Sari;Uray Cindy Hafinur;Sri Wahdaningsih;Isnindar Isnindar
Journal clinical microbiology reviews
Year 2017
DOI
10.22146/tradmedj.24302
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