加酶擠壓法制備玉米淀粉基脂肪模擬物的性質(zhì)研究
[Abstract]:The particle size distribution, crystal structure, molecular weight distribution and gel properties of corn starch based fat mimics treated by enzyme extrusion were measured by modern analytical methods. The results showed that the gel properties and apparent viscosity of the simulant were higher than those of the original starch. The microstructure of the original starch was smooth after SEM observation. The results of particle size measurement showed that the average particle size of the mimic was 7.69 渭 m, which could have a good taste of simulated fat, which was in line with the standard of fat mimics. X-ray diffraction showed that there was no obvious change in crystal structure of corn starch before and after extrusion, fat mimics retained the crystal structure of original starch, and gel filtration chromatography analysis showed that the molecular weight of the mimic was widely distributed.
【作者單位】: 沈陽(yáng)師范大學(xué)糧食學(xué)院;沈陽(yáng)師范大學(xué)化學(xué)化工學(xué)院;
【基金】:國(guó)家星火計(jì)劃重點(diǎn)項(xiàng)目(2015GA650007) 遼寧省“百千萬(wàn)人才工程”資助項(xiàng)目(2013921038) 沈陽(yáng)市科技創(chuàng)新專(zhuān)項(xiàng)資金(F14 104 3 00)
【分類(lèi)號(hào)】:TS231
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