Ultrasonic treatment on starch granule morphology and physicochemical properties of high amylose maize starch
Abstract
With consideration of the sustainable development goals (SDGs) from the United Nations, ultrasonication is one of the green processing with an
improvement of the physicochemical properties, such as morphology, gelatinization level, short-range and longrange ordered molecular structure.
However, there were few studies demonstrated how did ultrasonic treatment influence starch granule morphology and physicochemical properties
of high amylose maize starch. This study conducted semi-gelatinized Hylon V starch for different ultrasonication durations (5, 10, 20, and 30 min) at
two temperatures (25 ºC and 50 ºC) to comprehend the impact on starch granule morphology, gelatinization level, short-range and long-range
ordered molecular structure. The results showed that ultrasonication damaged the starch granule via scanning electron microscopy, increased the
gelatinization level by differential scanning calorimetry, enhanced the short-range ordered molecular structure by Fourier transform infrared
spectroscopy, but decreased the long-range ordered molecular structure by X-ray diffraction. Hence, ultrasonication damaged the morphology of
starch granule and longrange ordered molecular structure by high temperature and pressure cavitation. We performed a picture of the impact of
ultrasonication on starch granule morphology and physicochemical properties of high amylose maize starch.
知識樹分類
消費者知識庫 > 農藝類
消費者知識庫 > 農業經濟與推廣類
消費者知識庫 > 食品科學類
消費者知識庫 > 生命科學類
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