| Literature DB >> 24299823 |
Rungtiwa Wongsagonsup1, Thamonwan Pujchakarn, Suparat Jitrakbumrung, Weerawut Chaiwat, Asira Fuongfuchat, Saiyavit Varavinit, Somsak Dangtip, Manop Suphantharika.
Abstract
Physicochemical properties of cross-linked tapioca starch (CLTS) with different cross-linking levels and their application as a thickening agent in soups were studied. The CLTS was prepared by cross-linking native tapioca starch suspended in alkaline solution (41.67% (w/w), pH 11) using a mixture (99:1 (w/w) ratio) of sodium trimetaphosphate (STMP) and sodium tripolyphosphate (STPP) at different concentrations ranged from 0.25% to 6.0% (w/w of starch) at 45°C for 3h. Starch paste clarity decreased with increasing concentration of STMP/STPP mixture. Variations of swelling power, solubility, pasting, gelatinization, and rheological properties of the CLTS were found. Thermogravimetric analysis exhibited higher thermal stability for the CLTS granules compared to the native one. Among the samples, the CLTS prepared using 1.0% STMP/STPP (1.0%-CLTS) and soup containing the 1.0%-CLTS exhibited the strongest gel characteristic and the greatest shear resistant properties. The 1.0%-CLTS improved the textural properties and sensory quality of soups.Entities:
Keywords: Cross-linked tapioca starch; Physicochemical properties; Rheological properties; Sodium trimetaphosphate; Sodium tripolyphosphate
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Year: 2013 PMID： 24299823 DOI： 10.1016/j.carbpol.2013.09.100
Source DB: PubMed Journal: Carbohydr Polym ISSN： 0144-8617 Impact factor: 9.381