Publisher: John Wiley & Sons Inc
E-ISSN: 1521-379x|67|9-10|752-755
ISSN: 0038-9056
Source: STARCH / STAERKE, Vol.67, Iss.9-10, 2015-09, pp. : 752-755
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract
Aqueous dispersions of the extrudates (1%) prepared from three maize varieties containing starches with the various amylose contents (20–53%) and the high lipid level (about 7% on dry starch weight) were studied by DSC analysis. Two different types of amylose–lipid complexes were observed in the direct process (20–120°C, peak temperature of about 105–107°C) and when reheating/rescanning modes were employed (peak temperature of about 85°C). The extrudate dispersions heated only up to 100°C in the direct DSC scanning modes revealed a double‐peaked endothermic profile in the rescans that gave the evidence for coexistence of both types of the complexes. The possible reasons underlying formation, re‐formation, and/or coexistence of two types of the amylose–lipid complexes in the maize extrudates studied are discussed.
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