Complexation and physicochemical analysis of hydrophobic molecules of methyl jasmonate with Hydroxypropyl-β–Cyclodextrin
作者: Osvaldo Valarini JuniorCarlos Eduardo BarãoGraciette MatiolliEverton Fernando ZanoeloLúcio Cardozo-FilhoFlávio Faria de Moraes
刊名: Acta Scientiarum: Technology, 2019, Vol.41 (1), pp.e39611-e39611
来源数据库: Directory of Open Access Journals
DOI: 10.4025/actascitechnol.v41i1.39611
关键词: Organic moleculeCyclodextrinComplexationPhysicochemical characterization.
原始语种摘要: In the present study, methyl jasmonate (MeJa) was included in 2-hydroxypropyl-β-cyclodextrin (HPβCD) by grinding (M1), freeze drying (M2), co-precipitation + freeze drying (M3) and by applying supercritical carbon dioxide (M4). FT-IR/ATR, FT-Raman, TGA, and DSC analyses of the complexation products confirmed that MeJa/HPβCD complexes were formed by the four different examined methods of inclusion. FT-IR/ATR supported the inclusion, mainly based on the reduction of intensity of absorption at the wavelength of maximum absorbance of free MeJa (1733 cm-1), which was 27.69 au before inclusion. From these results, M3 (2.29 au) and M4 (0.90 au) were the most efficient techniques for complexation. TGA, and DSC analyses pointed out that the complexes formed by the methods M3 and M4 had the least...
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  • hydrophobic 疏水的
  • supercritical 超临界的
  • higher 
  • compounds 化合物
  • methyl 甲基
  • absorbance 吸光度
  • complexation 络合作用
  • inclusion 包体
  • present 出席的
  • precipitation 沉淀