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All Journal Canrea Journal: Food Technology, Nutritions, and Culinary Journal
Beti Cahyaning Astuti
Doctoral Program of Agricultural Science, Faculty of Agriculture, Universitas Sebelas Maret, Surakarta, 57126, Indonesia
Agriculture, Biological Sciences & Forestry

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Enhancing physicochemical and functional properties of jack bean (Canavalia ensiformis) starch with heat-moisture treatment Beti Cahyaning Astuti; Choiroel Anam; M. Zukhrufuz Zaman; Danar Praseptiangga
jurnal1 VOLUME 9 ISSUE 2, DECEMBER 2026
Publisher : Hasanuddin University Food Science and Technology Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/canrea.v9i2.2183

Abstract

Heat-moisture treatment (HMT) represents a standard procedure used to adjust the properties of jack bean starch (JBS) and enhance its functionality in food applications. Therefore, this study aimed to analyze the influence of HMT on the JBS’s functional and physicochemical properties. Native starch was subjected to HMT with varying moisture contents (15, 20, and 25%) and durations (1, 2, and 3 h) at a constant temperature of 110°C. The influence of HMT on the physicochemical properties, pasting properties, crystalline pattern, crystallinity, and morphology of starch granules was evaluated. Color analysis revealed a decline in lightness (L*) and greenness (a*), accompanied by an increase in yellowness (b*) as the heating time increased. Swelling power and solubility decreased with increasing moisture content. Meanwhile, amylose content increased with prolonged heating compared to that of native starch. Elevated moisture content and extended heating duration increased pasting temperature and peak time but simultaneously reduced breakdown viscosity. X-ray diffraction (XRD) exhibited that HMT maintained the A-type crystalline pattern of the native starch. Nevertheless, the crystallinity showed a complex trend, increasing at 25% moisture after one hour of heating (from 42.95 to 43.19%). FTIR spectra confirmed that HMT did not change the molecular structure of the starch, even though higher moisture content led to surface damage and granule cracking. HMT effectively modified jack bean starch, offering potential for improved functionality in food applications.
Co-Authors Choiroel Anam Danar Praseptiangga M. Zukhrufuz Zaman