粮食科技与经济
糧食科技與經濟
양식과기여경제
GRAIN TECHNOLOGY AND ECONOMY
2011年
6期
38-42
,共5页
抗性淀粉%压热-冷却循环%酸解%工艺优化
抗性澱粉%壓熱-冷卻循環%痠解%工藝優化
항성정분%압열-냉각순배%산해%공예우화
resistant starch%autoclaving-cooling%acid hydrolysis%optimization
以高直链玉米淀粉为原料，研究压热-冷却循环结合酸解法制备抗性淀粉的最佳工艺条件。通过单因素实验和正交实验探讨了压热-冷却循环过程中淀粉溶液浓度、压热温度、压热时间、循环次数以及酸解处理过程中酸的种类、酸的浓度、酸解时间对抗性淀粉得率的影响。结果表明，在淀粉溶液浓度为30％、压热温度125℃、压热时间45min条件下，经过2次压热-冷却循环，然后0．15mol／L柠檬酸水解处理12h，在此条件下抗性淀粉得率可达39．27％。
以高直鏈玉米澱粉為原料，研究壓熱-冷卻循環結閤痠解法製備抗性澱粉的最佳工藝條件。通過單因素實驗和正交實驗探討瞭壓熱-冷卻循環過程中澱粉溶液濃度、壓熱溫度、壓熱時間、循環次數以及痠解處理過程中痠的種類、痠的濃度、痠解時間對抗性澱粉得率的影響。結果錶明，在澱粉溶液濃度為30％、壓熱溫度125℃、壓熱時間45min條件下，經過2次壓熱-冷卻循環，然後0．15mol／L檸檬痠水解處理12h，在此條件下抗性澱粉得率可達39．27％。
이고직련옥미정분위원료，연구압열-냉각순배결합산해법제비항성정분적최가공예조건。통과단인소실험화정교실험탐토료압열-냉각순배과정중정분용액농도、압열온도、압열시간、순배차수이급산해처리과정중산적충류、산적농도、산해시간대항성정분득솔적영향。결과표명，재정분용액농도위30％、압열온도125℃、압열시간45min조건하，경과2차압열-냉각순배，연후0．15mol／L저몽산수해처리12h，재차조건하항성정분득솔가체39．27％。
The resistant starch was prepared with the High amylose corn starch by autoclaving-cooling cycles combined with acids hydrolysis treatment.The effects of concentration of starch solution,autoclaved temperature,autoclaved time and times of autoclaved-cooling cycles on the content of RS were studied in the autoclaved treatment.The type,concentration and treatment time of acids were also studied in the acid hydrolysis process.The results showed that the optimum conditions is： 30% starch solution was autoclaved at 125℃ for 45min,after repeated 2 times,0.15mol/L citric acid hydrolysised for 12h.The yield of resistant starch is up to 39.27%.
