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	STUDIA CHEMIA - Issue no. 4 / 2013

	Article:	STRUCTURAL FT-IR AND ¹³C CP/MAS NMR INVESTIGATION OF NATIVE STARCH WITH PLASTICIZERS BEFORE AND POST EXTRUSION PROCESS. Authors: ONUC COZAR.


	Abstract: Structural aspects of native corn starch samples with plasticizers are investigated by FT-IR,¹³C CP/MAS NMR and XRD methods before and after extrusion process. The crystalline A, B and V – types structural phases prevail before extrusion in the prepared samples. The amorphous phase becomes dominant in both recent prepared formula and control specimen sample after extrusion. Keywords: starch, extrusion, FT-IR, CP/MAS NMR, XRD




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