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All Journal Indonesian Journal of Chemistry
Sri Noegrohati
Faculty of Pharmacy, Universitas Gadjah Mada, Yogyakarta, 55281
Chemical Engineering, Chemistry & Bioengineering Chemistry

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INVESTIGATION ON THE MORPHOLOGY AND PROPERTIES OF AGGREGATE STRUCTURES OF NATURAL PHOSPHOLIPIDS IN AQUEOUS SYSTEM USING CRYO-TEM Dwi Hudiyanti; Tri Joko Raharjo; Narsito Narsito; Sri Noegrohati
Indonesian Journal of Chemistry Vol 12, No 1 (2012)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (538.98 KB) | DOI: 10.22146/ijc.21372

Abstract

Cryogenic transmission electron microscopy (Cryo-TEM) was used to investigate the aggregates morphology and properties of candle tree (Aleurites moluccana) endosperm, sesame (Sesamum indicum L. syn.) seeds, and coconut (Cocos nucifera) endosperm phospholipids in dilute aqueous system. The micrographs showed that candle tree phospholipids formed planar bilayer and cluster of vesicles with lipid droplets, while coconut and sesame phospholipids formed well-defined unilamellar vesicles. The vesicles size could be as small as 50 nm in diameter. Coconut phospholipids also showed a good bending ability. Formation of clusters of vesicles was also found in coconut phospholipids dispersion, but this cluster was easily broken by extrusion through a small pore membrane.
Co-Authors Dwi Hudiyanti Narsito Narsito Tri Joko Raharjo