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改性魔芋胶改善肉丸品质的研究

作  者:
汤丹;高红亮;常忠义;张琳;韦妮
单  位:
华东师范大学生命科学学院上海东圣食品有限公司;华东师范大学生命科学学院
关键词:
魔芋胶;改性魔芋胶;低脂肉丸;绿色食品
摘  要:
为制作出低热量低脂肪口感好的肉丸,对魔芋胶进行改性,将这种改性魔芋胶与淀粉、蛋白混合后加入到肉丸中。研究发现先用氢氧化钙、柠檬酸将水溶液的pH值调到10,魔芋胶粉末的添加量为4g/100mL时,魔芋胶粉末在水溶液中形成凝胶,4℃冰箱中放置4h,得到改性魔芋胶。将改性魔芋胶应用到肉丸中,添加质量分数为50%时,改善了肉丸的品质,提高了肉丸的弹性和硬度,降低了失水率,高温加热后品质不变,并且生产成本降低,肉丸含有膳食纤维魔芋胶,品质更好更健康。
译  名:
Improved Quality of Meatballs with Modified Konjac Gel
作  者:
TANG Dan1,GAO Hong-liang1,CHANG Zhong-yi1,,ZHANG Lin1,WEI Ni2,BU Guo-jian2(1.School of Life Sciences,East China Normal University,Shanghai 200062,China; 2.Shanghai Dongsheng Food Technology Co.Ltd.,Shanghai 200333,China)
关键词:
konjac;modified konjac gel;low-fat meatball;green food
摘  要:
Low-calorie,low-fat and palatable meatballs were made from minced pork and modified konjac gel.The effects of preparation conditions of modified konjac gel and its amount added to meatballs on quality parameters of meatballs were studied.The best modified konjac gel was obtained by dispersion of 4 g/100 mL konjac flour,starch and protein in an aqueous solution adjusted to pH 10 and subsequent storage at 4 ℃ for 4 h.Meatballs with the addition of 50% modified konjac gel showed increased springiness and hardness and decreased water loss rate,revealed no change in quality characteristics after exposure to high temperatures,and had higher quality and better health benefits due to the presence of konjac rich in dietary fiber.

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