Resistant starch from five Himalayan rice cultivars and Horse chestnut: Extraction method optimization and characterization.

Scientific Reports
Adil GaniIdrees Ahmed Wani

Abstract

In this study resistant starch (RS) was extracted from five Himalayan rice cultivars and Indian Horse chestnut (HCN) using porcine pancreatin enzyme following which it was subsequently characterized for its physicochemical, structural and functional properties. In vitro digestibility test showed that RS content of the rice cultivars and HCN was in the range of 85.5 to 99.5%. The RS extracted from the rice cultivars and HCN showed significant difference in the apparent amylose content (AAC), ranging between 31.83 to 40.68% for rice and 45.79% for HCN. Water absorption capacity (WAC), swelling and solubility index of RS ranged from 112-133.9%, 5.28-7.25 g/g and 0.033-0.044 g/g, respectively. The rice RS granules were polyhedral and irregular shaped with granular length in the range of 4.8-5.9 µm. The HCN RS granule morphology showed smooth surfaced, round, elliptical, irregular and oval shapes with average granular length of 21 µm. Pasting behavior also varied significantly between rice RS and HCN RS with later showing the lower values of pasting properties. Thermal properties (T0, Tp, Tc) and ΔH gel also varied considerably between the rice RS and HCN RS, wherein the highest values for peak gelatinization temperature and gelatin...Continue Reading

References

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Dec 26, 2015·International Journal of Biological Macromolecules·Umar ShahFarooq Ahmad Masoodi
Mar 16, 2016·International Journal of Biological Macromolecules·Adil GaniIdrees Ahmed Wani
Jul 5, 2016·Food Chemistry·Asima ShahBilal Ahmad Ashwar
Jul 28, 2016·International Journal of Biological Macromolecules·Farhan Mohiuddin Bhat, Charanjit Singh Riar
Dec 17, 2016·International Journal of Biological Macromolecules·Adil GaniFarooq Ahmad Masoodi
Jul 15, 2017·International Journal of Biological Macromolecules·Bilal Ahmad AshwarFarooq Ahmad Masoodi
Oct 12, 2017·International Journal of Biological Macromolecules·Yanjun ZhangLehe Tan

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Methods Mentioned

BETA
Differential Scanning Calorimeter
X ray
Scanning Electron Microscopy

Software Mentioned

SPSS

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