Abstract
In this study, we evaluated the effects of high hydrostatic pressure (HHP) and superfine grinding treatment (SFGT) on the physicochemical and functional properties of pear pomace. By using Gas chromatography and Fourier transform infrared measurement, the structural properties and monosaccharides component of dietary fibre (DF) in pear pomace were analyzed. The results showed that both HHP and SFGT could increase the soluble dietary fibre (SDF) content and change the chemical structure and monosaccharide compositions of SDF, while HHP showed a better performance in improving the main functional characteristics such as water- and oil-holding capacity, swelling and cholesterol binding capacity. Moreover, HHP treatment could effectively improve the physicochemical/functional properties of pear pomace. This study demonstrated that the pear pomace treated by HHP could be a useful fibre-rich ingredient in developing functional foods.
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