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超高壓改性谷朊粉對(duì)面條加工品質(zhì)的影
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of Addition of Ultra-high Pressure Treated Wheat Gluten on the Quality of Noodle
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    摘要:

    采用掃描電鏡、差示掃描量熱儀、感官評(píng)價(jià)結(jié)合質(zhì)構(gòu)儀、粉質(zhì)儀分析,初步研究了超高壓改性谷朊粉(室溫下400MPa,處理10min)的變性機(jī)理,并探討了添加超高壓改性谷朊粉(室溫下400MPa,處理10min)對(duì)面條加工品質(zhì)的影響關(guān)系。結(jié)果表明:超高壓改性谷朊粉增強(qiáng)了谷朊蛋白間的交聯(lián)作用,變性峰值溫度由117.02℃升至119.76℃。在0~3.5%添加量范圍,超高壓改性谷朊粉和未經(jīng)超高壓改性的普通谷朊粉對(duì)面粉濕面筋含量都有顯著提高,對(duì)面條感官評(píng)分、拉斷力、硬度產(chǎn)生較大影響,且在相同添加量下,超高壓改性谷朊粉對(duì)面條品質(zhì)提升更為顯著(p<0.05)。超高壓改性谷朊粉制作面條的最佳添加量為3%,在此添加量下,超高壓改性谷朊粉對(duì)面粉的粉質(zhì)特性增效作用強(qiáng)于未經(jīng)超高壓改性的普通谷朊粉。

    Abstract:

    The denaturalization mechanism of ultra-high pressure treated wheat gluten (room temperature, 400MPa,10min) was studied by scanning electron microscope and DSC, and the effects of ultra-high pressure treated wheat gluten and ordinary wheat gluten on the quality of noodle were investigated by sensory evaluation, texture analyzer and farinograph. The results indicated that ultra-high pressure treatment increased the crosslinked extent of wheat gluten and the temperature of denaturalized peak was changed from 117.02℃ to 119.76℃.Ultra-high pressure treated wheat gluten and ordinary wheat gluten could improve the wet gluten content of flour, and greatly influenced the noodle’s sensory evaluation score, breaking force and hardness under the addition amount from zero to 3.5%. The quality of noodles processed with ultra-high pressure treated wheat gluten was better than ordinary wheat gluten at the same addition amount(p<0.05), and the optimal addition amount of ultra-high pressure treated wheat gluten was 3%. Compared with ordinary wheat gluten, the farinograph property of flour added with 3% ultra-high pressure treated wheat gluten was also better.

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姜紹通,鐘昔陽,潘麗軍,但現(xiàn)龍,馬道榮.超高壓改性谷朊粉對(duì)面條加工品質(zhì)的影[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2010,41(3):153-157. of Addition of Ultra-high Pressure Treated Wheat Gluten on the Quality of Noodle[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(3):153-157.

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