Significance of amylose content of wheat starch on processing and textural properties of instant noodles
2004
Park, C.S. | Baik, B.K.
The effect of amylose content of starch on processing and textural properties of instant noodles was determined using waxy, partial waxy, and regular wheat flours and reconstituted flours with starches of various amylose content (3.0-26.5). Optimum water absorption of instant noodle dough increased with the decrease of amylose content. Instant noodles prepared from waxy and reconstituted wheat flours with less than or equal to 12.4% amylose content exhibited thicker strands and higher free lipids content than wheat flours with greater than or equal to 17.1% amylose content. Instant noodles of less than or equal to 12.4% amylose content of starch exhibited numerous bubbles on the surface and stuck together during frying. Lightness of instant noodles increased from 77.3 to 81.4 with the increase of amylose content of starch in reconstituted flours. Cooking time of instant noodles was 4.0-8.0 min in wheat flours and 6.0-12.0 min in reconstituted flours, and constantly increased with the increase in amylose content of starch. Hardness of cooked instant noodles positively correlated with amylose content of starch. Reconstituted flours with less than or equal to 12.4% amylose content of starch were higher in cohesiveness than those of wheat flours of wild-type and partial waxy starches and reconstituted flours with greater than or equal to 17.1% amylose content. Instant fried noodles prepared from double null partial waxy wheat flour exhibited shorter cooking time, softer texture, and higher fat absorption (1.2%) but similar color and appearance compared with noodles prepared from wheat flour of wild-type starch.
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