CN108719903A - 红枣果冻及加工方法 - Google Patents

红枣果冻及加工方法 Download PDF

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CN108719903A
CN108719903A CN201810448463.2A CN201810448463A CN108719903A CN 108719903 A CN108719903 A CN 108719903A CN 201810448463 A CN201810448463 A CN 201810448463A CN 108719903 A CN108719903 A CN 108719903A
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jujube
parts
water
particle
protein
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李喜宏
冷俊材
杨维巧
张宇峥
朱刚
贾晓昱
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Zhong Xi (tianjin) Jujube Industry Technical Engineering Center
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Abstract

本发明涉及红枣果冻及加工方法,包括如下重量份数的组分:红枣汁:20~40份;白砂糖:10~20份;桂圆汁:1‑1.5份;复合胶:3~10份;柠檬酸:0.2~0.5份;高钙颗粒:1~3份;营养颗粒:3~6份;压敏颗粒:5~15份;水:45‑60份。本发明在果冻中加入高钙营养颗粒,通过大豆混合凝胶对葡萄糖酸钙进行包埋,提高了吸收率。本发明在果冻中添加营养颗粒,以大豆蛋白水凝胶为壁材,对维生素、氨基酸和蛋白质进行包埋,减少营养在果冻加工和运输过程中的损失。

Description

红枣果冻及加工方法
技术领域
本发明属于食品领域,涉及果冻,尤其是一种红枣果冻及加工方法。
背景技术
果冻是一种西方甜食,呈半固体状,由食用明胶加水、糖、果汁制成。亦称啫喱,外观晶莹,色泽鲜艳,口感软滑。果冻的形态及口感深受小朋友们的喜欢,然而由于其含糖量高,添加剂多,家长们也是担心小朋友食用过多。如果以果冻为载体,添加多种营养元素,那么小朋友在吃的过程中就可以补充各种营养元素。通常在食品里加入各种微量元素或维生素都会影响食品本身的口感,如何保持食品原有口感又不破坏营养元素既是本发明要解决的问题。
通过检索,发现如下相关专利:
1、一种红枣山药保健果冻的制备方法(CN107874203A),由下述重量份的原料制成:红枣5-15份、山药5-15份、百合5-12份、芡实5-10份、桑椹5-10份、陈皮5-7份、甜味剂0-20份、卡拉胶0.3-1份、刺槐豆胶0.3-1份、山梨酸钾0-0.05份。
2、一种红枣人参保健果冻的制备方法(CN107811249A),由下述重量份的原料制成:红枣5-15份、山药5-15份、茯苓5-12、黄精5-10份、龙眼肉5-10份、陈皮3-7份、人参3-7、甘草1-2份、甜味剂0-20份、卡拉胶0.5-1份、刺槐豆胶0.5-1份、山梨酸钾0-0.05份。
上述专利均是在果冻中简单的加入中药组分,势必会影响果冻原始的口感,并不会被果冻的最大消费群小朋友们接受。
发明内容
本发明的目的在于克服现有技术的不足之处,提供一种口感好、富含多种营养元素的红枣果冻及加工方法。
本发明解决技术问题所采用的技术方案是:
一种红枣果冻,包括如下组分及重量份数为:
红枣汁:20~40份
白砂糖:10~20份
桂圆汁:1-1.5份
复合胶:3~10份
柠檬酸:0.2~0.5份
高钙颗粒:1~3份
营养颗粒:3~6份
压敏颗粒:5~15份
水:45-60份。
而且,所述的红枣汁的制备方法为:将红枣去核,破碎枣肉,加入果肉质量5~8倍的水,然后加0.2%果胶酶和0.3%的纤维素酶,40℃酶解40min,用探头式超声波提取仪提取30~60min后用纱布过滤备用。
而且,所述的复合胶的制备方法为:将1~2份明胶、5~6份鱼胶粉、0.5~1份大豆蛋白多孔凝胶、1~2份卡拉胶、1~2份黄原胶混合均匀,慢慢撒入冷水中,使之分散,浸泡30min,边搅拌边加热至沸腾,保持10~15min,待固体完全溶解加适量水溶解,于70℃水浴中加热溶解,煮胶完成后趁热用多纱布进行过滤,除去胶液中的少量泡沫及杂质,得到透明、黏稠的复合胶。
而且,所述的大豆蛋白多孔凝胶的制备方法为:
(1)将低温脱脂大豆粕粉碎后以1:5~10的比例加入去离子水,用NaOH溶液调节溶液的pH值至8.0,并于室温下搅拌使豆粕中的蛋白质溶出,经过碱溶后的蛋白提取液离心,弃去沉淀,上清液用盐酸调节pH值至4.5,4~6℃静置30~60min至蛋白析出,离心30min,弃去上清液,取出该沉淀,以1:5~7的量加入去离子水使其溶解悬浮,调节溶液pH至7.5,慢速搅拌待其充分溶解后蛋白液于4℃下透析36~48h,透析液冻干后得到SPI蛋白粉末,备用;
(2)将SPI分散于去离子水中,搅拌3h,配制成8~10%w/w的SPI溶液,而后放置在4℃的冰箱中静置过夜,使大豆蛋白充分液化;随后,将该溶液置于一定温度下的水浴中加热使大豆蛋白充分变性;冷却至室温后,调节溶液的pH至7.0,加入6~7U/g的MTGase酶,然后立即用均质机均质,后放置在室温下成胶。
而且,所述的高钙颗粒的制备方法为:
(1)大豆蛋白:淀粉=1:0.1~1溶解于水,7.5U/g大豆分离蛋白酶添加量,80℃预加热温度下搅拌10~20min后制得的淀粉大豆蛋白混合凝胶;
(2)低温膨化:将混合凝胶送入膨化罐容器中,加压至0.1~0.5Mpa,蒸汽管道通入热蒸汽,膨化温度为80℃,保持3~5min后,形成0.5-1mm的颗粒;
(3)将乳酸钙6~7份,葡萄糖酸钙2~4份置于50~100水中,制成复合溶液;
(4)将膨化颗粒浸泡在步骤③支撑的颗粒中,将营养成分负载到膨化颗粒表面以及内部的网状结构中,浸泡10-20分钟,取出干燥;
(5)二次滚涂:把步骤④干燥后的颗粒浸没在大豆蛋白凝胶中,搅拌后,干燥,形成不规则的粒径为0.5~2mm的包裹颗粒。
而且,所述的营养颗粒的制备方法为:
(1)取多种维生素共1~3份、多种氨基酸共1~3份、蛋白质1~3份、膳食纤维0.5~1份混合均匀;
(2)制备大豆蛋白凝胶,大豆蛋白溶解于水,6~7U/g SPI酶添加量,搅拌条件下70~90℃预加热温度10~20分钟后制得的大豆蛋白凝胶;
(3)将步骤1的混合物加入到步骤(2)的大豆蛋白凝胶中,使凝胶对其进行包裹荷载;
(4)将步骤(3)混合凝胶、海藻酸钠放入反应器中,在50~60℃下搅拌,再滴加氯化钙溶液,待滴加完成后,继续搅拌,静置,收集反应器中的混合物,即得营养颗粒。
而且,所述的亚敏颗粒的制备方法为:以果胶1~2wt%作为壁材,红枣精油为芯材,0.5~1wt%橄榄油为乳化剂,0.05-0.1wt%葡萄糖酸-δ-内酯为固化剂;称取一定质量的果胶溶于蒸馏水中,配成果胶溶液10ml,放入洁净的烧杯中,调节pH至6.5,加入橄榄油,在50℃水浴条件下,使用高速剪切预乳化机进行乳化,形成均匀的乳状液;然后逐滴加入1%的醋酸溶液,使体系达到pH值为4.5;用NaOH溶液调节体系pH至9.0,边搅拌边加入,5~10min后,加入12%的红枣精油,用冰水冷却使体系降温至10℃以下,持续搅拌20~30min,加入固化剂,固化时间为20~30min,固化完成后,将颗粒悬浊液静置分层,移去下层清液,用清水洗涤数次,进行过滤,得到压敏颗粒。
而且,所述的红枣精油的制备方法为:将枣渣放在60~75℃烘烤20~30min,处理后采用超临界萃取设备萃取,其中萃取压力为15~20MPa;萃取温度为40~60℃;萃取时间2~5h;CO2流量为15~30kg·h-1,得到红枣精油。
所述的红枣果冻的制备方法为:将复合胶溶解在水中,加入红枣汁、桂圆汁、高钙颗粒、营养颗粒、压敏颗粒,80~90℃蒸煮30~50min,冷却至60~70℃加入柠檬酸,将混合液装入模具中,高温灭菌,然后迅速降温至30℃以下,即得红枣果冻。
本发明的优点和积极效果是:
1、本发明在果冻中加入高钙营养颗粒,通过大豆混合凝胶对葡萄糖酸钙进行包埋,提高了吸收率。
2、本发明在果冻中添加营养颗粒,以大豆蛋白水凝胶为壁材,对维生素、氨基酸和蛋白质进行包埋,减少营养在果冻加工和运输过程中的损失。
3、本发明在果冻中添加含有红枣精油的压敏颗粒,果冻在口腔中咀嚼时,颗粒增加咀嚼度,当颗粒破裂,释放出红枣精华,增加了果冻的香气。
4、本发明最大限度地保留了红枣汁中的营养成分。由于红枣枣皮中酚酸、类黄酮和花色苷含量较高,红枣汁还具有消除自由基、抗氧化、抗肿瘤、抗衰老、补血养气等多药用功效。
5、本发明果冻胶体采用以鱼胶粉为主、大豆蛋白多孔凝胶、卡拉胶、黄原胶为辅的复合胶,改善果冻质地,确保果冻胶体透明度适中,弹性好,凝胶强度大,口感细腻,且无明显气泡。同时鱼胶粉是纯蛋白质成份,不含淀粉,不含脂肪,不但是低热量的健康低卡食品,更可以补充肌肤大量的胶原蛋白。
具体实施方式
下面通过具体实施例对本发明作进一步详述,以下实施例只是描述性的,不是限定性的,不能以此限定本发明的保护范围。
实施例1
一种红枣果冻,包括如下组分及重量份数为:
红枣汁:30份;白砂糖:15份;桂圆汁:1份;复合胶:5份;柠檬酸:0.3份;高钙颗粒:1份;营养颗粒:3份;压敏颗粒:5份;水:50份。
将复合胶溶解在水中,加入红枣汁、桂圆汁、高钙颗粒、营养颗粒、压敏颗粒,85℃蒸煮40min,冷却至60℃加入柠檬酸,将混合液装入模具中,高温灭菌,然后迅速降温至30℃以下,即得红枣果冻。
红枣汁的制备方法为:将红枣去核,破碎枣肉,加入果肉质量7倍的水,然后加0.2%果胶酶和0.3%的纤维素酶,40℃酶解40min,用探头式超声波提取仪在电流强度0.9A(功率75W)提取30min,再用纱布过滤备用。
复合胶的制备方法为:将1.5份明胶、5份鱼胶粉、0.5份大豆蛋白多孔凝胶、1份卡拉胶、1份黄原胶混合均匀,慢慢撒入冷水中,使之分散,浸泡30min,边搅拌边加热至沸腾,保持10~15min,待固体完全溶解加适量水溶解,于70℃水浴中加热溶解,煮胶完成后趁热用多纱布进行过滤,除去胶液中的少量泡沫及杂质,得到透明、黏稠的复合胶。其中大豆蛋白多孔凝胶的制备方法为:
(1)将低温脱脂大豆粕粉碎后以1:7的比例加入去离子水,用2NNaOH溶液调节溶液的pH值至8.0,并于室温下搅拌使豆粕中的蛋白质溶出,经过碱溶后的蛋白提取液离心,弃去沉淀,上清液用盐酸调节pH值至4.5,4℃静置30min至蛋白析出,以8000转对料液离心30min,弃去上清液,取出该沉淀,以1:7的量加入去离子水使其溶解悬浮,调节溶液pH至7.5,慢速搅拌待其充分溶解后蛋白液于4℃下透析48h,透析液冻干后得到SPI蛋白粉末,备用;
(2)将SPI分散于去离子水中,搅拌3h,配制成8%w/w的SPI溶液,而后放置在4℃的冰箱中静置过夜,使大豆蛋白充分液化;随后,将该溶液置于一定温度下的水浴中加热30min使大豆蛋白充分变性;冷却至室温后,调节溶液的pH至7.0,加入6.67U/g的MTGase酶,然后立即用均质机在8000r/min下对其进行均质30s,均质后放置在室温下成胶。
高钙颗粒的制备方法为:
(1)大豆蛋白:淀粉=1:1溶解于水,7.5U/g大豆分离蛋白酶添加量,80℃预加热温度下搅拌10~20min后制得的淀粉大豆蛋白混合凝胶;
(2)低温膨化:将混合凝胶送入膨化罐容器中,加压至0.5Mpa,蒸汽管道通入热蒸汽,膨化温度为80℃,保持5min后,形成0.5-1mm的颗粒;
(3)将乳酸钙6份,葡萄糖酸钙3份置于100水中,制成复合溶液;
(4)将膨化颗粒浸泡在步骤③支撑的颗粒中,将营养成分负载到膨化颗粒表面以及内部的网状结构中,浸泡10-20分钟,取出干燥;
(5)二次滚涂:把步骤④干燥后的颗粒浸没在大豆蛋白凝胶中,搅拌后,干燥,形成不规则的粒径为0.5~2mm的包裹颗粒。
营养颗粒的制备方法为:
(1)取多种维生素共2份、多种氨基酸共2份、蛋白质2份、膳食纤维1份混合均匀;
(2)制备大豆蛋白凝胶,大豆蛋白溶解于水,6.5U/g SPI酶添加量,搅拌条件下80℃预加热温度15分钟后制得的大豆蛋白凝胶;
(3)将步骤1的混合物加入到步骤(2)的大豆蛋白凝胶中,使凝胶对其进行包裹荷载;
(4)将步骤(3)混合凝胶、海藻酸钠放入反应器中,在55℃下搅拌,再滴加氯化钙溶液,待滴加完成后,继续搅拌,静置,收集反应器中的混合物,即得营养颗粒。
亚敏颗粒的制备方法为:以果胶1.5wt%作为壁材,红枣精油为芯材,0.5wt%橄榄油为乳化剂,0.05-0.1wt%葡萄糖酸-δ-内酯为固化剂;称取一定质量的果胶溶于蒸馏水中,配成果胶溶液10ml,放入洁净的烧杯中,调节pH至6.5,加入橄榄油,在50℃水浴条件下,使用高速剪切预乳化机进行乳化,形成均匀的乳状液;然后逐滴加入1%的醋酸溶液,使体系达到pH值为4.5;用NaOH溶液调节体系pH至9.0,边搅拌边加入,5~10min后,加入12%的红枣精油,用冰水冷却使体系降温至10℃以下,持续搅拌20~30min,加入固化剂,固化时间为20~30min,固化完成后,将颗粒悬浊液静置分层,移去下层清液,用清水洗涤数次,进行过滤,得到压敏颗粒。所述的红枣精油的制备方法为:将枣渣放在70℃烘烤20~30min,处理后采用超临界萃取设备萃取,其中萃取压力为18MPa;萃取温度为50℃;萃取时间3h;CO2流量为20kg·h-1,得到红枣精油,含量为1.1%。
通过检测,果冻中营养成分的含量为:
成分 复合维生素 氨基酸
含量 0.367mg/g 0.12mg/g 5.3mg/g
实施例2:
一种红枣果冻,包括如下组分及重量份数为:
红枣汁:30份;白砂糖:15份;桂圆汁:1份;复合胶:5份;柠檬酸:0.3份;高钙颗粒:2份;营养颗粒:4份;压敏颗粒:10份;水:50份。制备方法同实施例1。
通过检测,果冻中营养成分的含量为:
成分 复合维生素 氨基酸
含量 0.701mg/g 0.154mg/g 6.9mg/g
实施例3:
一种红枣果冻,包括如下组分及重量份数为:
红枣汁:30份;白砂糖:15份;桂圆汁:1份;复合胶:5份;柠檬酸:0.3份;高钙颗粒:3份;营养颗粒:5份;压敏颗粒:15份;水:50份。制备方法同实施例1。
通过检测,果冻中营养成分的含量为:
成分 复合维生素 氨基酸
含量 1.005mg/g 0.18mg/g 9.0mg/g
以上所述的仅是本发明的优选实施方式,应当指出,对于本领域的普通技术人员来说,在不脱离发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。

Claims (9)

1.一种红枣果冻,包括如下重量份数的组分:
红枣汁:20~40份
白砂糖:10~20份
桂圆汁:1-1.5份
复合胶:3~10份
柠檬酸:0.2~0.5份
高钙颗粒:1~3份
营养颗粒:3~6份
压敏颗粒:5~15份
水:45-60份。
2.根据权利要求1所述的红枣果冻,其特征在于:所述的红枣汁的制备方法为:将红枣去核,破碎枣肉,加入果肉质量5~8倍的水,然后加0.2%果胶酶和0.3%的纤维素酶,40℃酶解40min,用探头式超声波提取仪提取30~60min后用纱布过滤备用。
3.根据权利要求1所述的红枣果冻,其特征在于:所述的复合胶的制备方法为:将1~2份明胶、5~6份鱼胶粉、0.5~1份大豆蛋白多孔凝胶、1~2份卡拉胶、1~2份黄原胶混合均匀,慢慢撒入冷水中,使之分散,浸泡30min,边搅拌边加热至沸腾,保持10~15min,待固体完全溶解加适量水溶解,于70℃水浴中加热溶解,煮胶完成后趁热用多纱布进行过滤,除去胶液中的少量泡沫及杂质,得到透明、黏稠的复合胶。
4.根据权利要求3所述的红枣果冻,其特征在于:所述的大豆蛋白多孔凝胶的制备方法为:
(1)将低温脱脂大豆粕粉碎后以1:5~10的比例加入去离子水,用NaOH溶液调节溶液的pH值至8.0,并于室温下搅拌使豆粕中的蛋白质溶出,经过碱溶后的蛋白提取液离心,弃去沉淀,上清液用盐酸调节pH值至4.5,4~6℃静置30~60min至蛋白析出,离心30min,弃去上清液,取出该沉淀,以1:5~7的量加入去离子水使其溶解悬浮,调节溶液pH至7.5,慢速搅拌待其充分溶解后蛋白液于4℃下透析36~48h,透析液冻干后得到SPI蛋白粉末,备用;
(2)将SPI分散于去离子水中,搅拌3h,配制成8~10%w/w的SPI溶液,而后放置在4℃的冰箱中静置过夜,使大豆蛋白充分液化;随后,将该溶液置于一定温度下的水浴中加热使大豆蛋白充分变性;冷却至室温后,调节溶液的pH至7.0,加入6~7U/g的MTGase酶,然后立即用均质机均质,后放置在室温下成胶。
5.根据权利要求1所述的红枣果冻,其特征在于:所述的高钙颗粒的制备方法为:
(1)大豆蛋白:淀粉=1:0.1~1溶解于水,7.5U/g大豆分离蛋白酶添加量,80℃预加热温度下搅拌10~20min后制得的淀粉大豆蛋白混合凝胶;
(2)低温膨化:将混合凝胶送入膨化罐容器中,加压至0.1~0.5Mpa,蒸汽管道通入热蒸汽,膨化温度为80℃,保持3~5min后,形成0.5-1mm的颗粒;
(3)将乳酸钙6~7份,葡萄糖酸钙2~4份置于50~100水中,制成复合溶液;
(4)将膨化颗粒浸泡在步骤③支撑的颗粒中,将营养成分负载到膨化颗粒表面以及内部的网状结构中,浸泡10-20分钟,取出干燥;
(5)二次滚涂:把步骤④干燥后的颗粒浸没在大豆蛋白凝胶中,搅拌后,干燥,形成不规则的粒径为0.5~2mm的包裹颗粒。
6.根据权利要求1所述的红枣果冻,其特征在于:所述的营养颗粒的制备方法为:
(1)取多种维生素共1~3份、多种氨基酸共1~3份、蛋白质1~3份、膳食纤维0.5~1份混合均匀;
(2)制备大豆蛋白凝胶,大豆蛋白溶解于水,6~7U/g SPI酶添加量,搅拌条件下70~90℃预加热温度10~20分钟后制得的大豆蛋白凝胶;
(3)将步骤1的混合物加入到步骤(2)的大豆蛋白凝胶中,使凝胶对其进行包裹荷载;
(4)将步骤(3)混合凝胶、海藻酸钠放入反应器中,在50~60℃下搅拌,再滴加氯化钙溶液,待滴加完成后,继续搅拌,静置,收集反应器中的混合物,即得营养颗粒。
7.根据权利要求1所述的红枣果冻,其特征在于:所述的亚敏颗粒的制备方法为:以果胶1~2wt%作为壁材,红枣精油为芯材,0.5~1wt%橄榄油为乳化剂,0.05-0.1wt%葡萄糖酸-δ-内酯为固化剂;称取一定质量的果胶溶于蒸馏水中,配成果胶溶液10ml,放入洁净的烧杯中,调节p H至6.5,加入橄榄油,在50℃水浴条件下,使用高速剪切预乳化机进行乳化,形成均匀的乳状液;然后逐滴加入1%的醋酸溶液,使体系达到p H值为4.5;用NaOH溶液调节体系p H至9.0,边搅拌边加入,5~10min后,加入12%的红枣精油,用冰水冷却使体系降温至10℃以下,持续搅拌20~30min,加入固化剂,固化时间为20~30min,固化完成后,将颗粒悬浊液静置分层,移去下层清液,用清水洗涤数次,进行过滤,得到压敏颗粒。
8.根据权利要求7所述的红枣果冻,其特征在于:所述的红枣精油的制备方法为:将枣渣放在60~75℃烘烤20~30min,处理后采用超临界萃取设备萃取,其中萃取压力为15~20MPa;萃取温度为40~60℃;萃取时间2~5h;CO2流量为15~30kg·h-1,得到红枣精油。
9.根据权利要求1~8任一权利要求所述的红枣果冻的制备方法,其特征在于:将复合胶溶解在水中,加入红枣汁、桂圆汁、高钙颗粒、营养颗粒、压敏颗粒,80~90℃蒸煮30~50min,冷却至60~70℃加入柠檬酸,将混合液装入模具中,高温灭菌,然后迅速降温至30℃以下,即得红枣果冻。
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CN111436584A (zh) * 2020-05-08 2020-07-24 江西师范大学 富含鱼胶原蛋白的果冻及其制备方法
CN115624155A (zh) * 2022-09-13 2023-01-20 宁波大学 一种鱼明胶基核黄素果冻及其制备方法

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