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The evaluation of drying kinetics and water activity of radish sprouts processed by different drying methods

100%

Dadan M., Wasilewska K., Nowacka M., Wiktor A., Barba F. J., Koubaa M., Roohinejad S., Matys A., Witrowa-Rajchert D.

Zeszyty Problemowe Postępów Nauk Rolniczych

2019

tom 598

Ionic starch derivatives obtained in microwave assisted reactions - structure and functionality

80%

Lewandowicz G., Blaszczak W., Voelkel E.

Żywność Nauka Technologia Jakość. Suplement

2000

tom 07

nr 2

Commercial potato and wheat starches were substituted to DS = 0.04 by cationic and anionic groups separately (to obtain cationic and anionic derivatives, respectively) and jointly (to obtain amphoteric derivatives). Microwave assisted processes were carried out in oven emitting radiation of 2450 MHz frequency and 0.5 W/g energy. Reaction products were examined by rheological methods, light, and scanning electron microscopy, and X-ray diffractometry. Nitrogen and carboxymethyl group contents were also determined. Incorporation of ionic substituents into the starch molecules significantly changes its physicochemical properties related to starch-water interactions, results in the decrease of the gelatinisation temperature, changes of the swelling characteristics, solubilisation and iodine complexation. The extent of these changes depends on type of processing (microwave or traditional) and starch species. Crystal and granular structures of investigated starches were only slightly damaged on derivatisation.

Ograniczanie wyników

1 Zeszyty Problemowe Postępów Nauk Rolniczych

1 Żywność Nauka Technologia Jakość. Suplement

1 Barba F. J.

1 Blaszczak W.

1 Dadan M.

1 Koubaa M.

1 Lewandowicz G.

1 Matys A.

1 Nowacka M.

1 Roohinejad S.

1 Voelkel E.

1 Wasilewska K.

1 Wiktor A.

1 Witrowa-Rajchert D.

1 2019

1 2000

Wyniki wyszukiwania

The evaluation of drying kinetics and water activity of radish sprouts processed by different drying methods

Ionic starch derivatives obtained in microwave assisted reactions - structure and functionality