CN108783367A - 一种双歧杆菌发酵瓜子的加工方法 - Google Patents
一种双歧杆菌发酵瓜子的加工方法 Download PDFInfo
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Abstract
本发明公开了一种双歧杆菌发酵瓜子的加工方法,步骤如下:1).南瓜汁制备;2).瓜子煮制;3).PH调节:在煮制瓜子过程中添加缓冲溶液,保持煮液的PH值在6.8‑7.0范围内;4).干燥处理:使瓜子水分保持在30%‑35%之间;5).杀菌处理;6).菌悬液制备:将市售双歧杆菌菌粉与无菌水混合摇匀,制备菌悬液待用;7).接种及发酵:在无菌的环境中接种双歧杆菌菌悬液,接着对杀菌处理后的瓜子进行固态发酵处理;8).指标检测;9).产品包装。本发明是在煮制工艺中添加天然冰糖、现榨南瓜汁等物质高压短时煮制,保证营养成分损失最低,熟化冷却后添加双歧杆菌,在36.5℃‑37℃恒温环境下发酵、真空包装而得,产品水分保持在30%‑35%,PH在6.8‑7.0,口感湿润甘甜。
Description
技术领域
本发明涉及一种瓜子的加工方法,尤其涉及一种双歧杆菌发酵瓜子的加工方法。
背景技术
瓜子种类较多,葵瓜子更是瓜子中的佼佼者,是人们生活中不可缺少的零食,葵瓜子富含不饱和脂肪酸、多种维生素和微量元素,利用葵瓜子制得瓜子种类更多。现在人们生活水平都提高了,但是,上班压力等各方面的因素,使得人们容易生病,人们更看重生活的质量,从而,各种保健食品应运而生,目前,市场上有保健功能的瓜子品种较少,能真正起到保健作用的更是少。
另外,传统的瓜子制作工艺包括选料、煮料、瓜子在煮料中浸泡、浸泡后的炒制的过程,利用该工艺制备出来的瓜子容易上火。
发明内容
本发明的目的是提供一种双歧杆菌发酵瓜子的加工方法,解决具有保健功能的市售瓜子品种较少的问题。
为了达到上述目的,本发明是通过以下技术方案实现的:
本发明提供一种双歧杆菌发酵瓜子的加工方法,具体包括以下步骤:
1).南瓜汁制备: 将新鲜的南瓜洗净切块放入榨汁机中,榨汁后取汁液备用;
2 ).瓜子煮制:配料入锅煮沸后,加入南瓜汁,待再次煮沸后放入瓜子原料,煮制时间为0.5-1小时;
3 ).PH调节:在所述步骤2)煮制瓜子过程中添加缓冲溶液,保持煮液的PH值在6.8-7.0范围内;
4).干燥处理:煮制完成后对湿瓜子进行干燥,使瓜子水分保持在30%-35% 之间;
5 ).杀菌处理:干燥结束后,对瓜子进行杀菌处理;
6).菌悬液制备:将市售双歧杆菌菌粉与无菌水混合摇匀,制备菌悬液待用;
7).接种及发酵:在无菌的环境中接种双歧杆菌菌悬液,接着对所述步骤5)中杀菌处理后的瓜子进行固态发酵处理;
8 ).指标检测:对发酵结束后瓜子的指标进行检测;
9 ).产品包装:对所述步骤8)检测指标合格的瓜子进行真空包装即可。
优选地,所述步骤2)中的配料按以下重量份称取各原料组分:甘草0.2-0.4份,桂皮0.5-0.8份,丁香0.1-0.3份,八角1-3份,小茴香4-6份,天然冰糖6-8份。
优选地,所述步骤2)投入锅内的配料与瓜子的质量比为1:5-8。
优选地,所述步骤2)配料入锅煮沸后,加入体积质量分数为15%的南瓜汁。
优选地, 所述步骤2)配料入锅煮沸后,加入南瓜汁,待再次煮沸后放入瓜子原料,之后再转入高压锅煮制,煮制时间为0.5-1小时。
优选地,所述步骤3)缓冲溶液为柠檬酸和食用碱配制的PH缓冲溶液。
优选地,所述步骤4)煮制完成后对湿瓜子用干燥箱进行干燥。
优选地,所述步骤5)杀菌处理:干燥结束后,对瓜子进行微波杀菌处理。
优选地,所述步骤7)在36.5℃-37℃恒温环境下发酵。
优选地,所述瓜子为南瓜子、西瓜子、葵瓜子中的一种。
南瓜中含有丰富的果胶、糖分以及维生素等;
冰糖能增加产品的甜感,具有润肺、止咳、清痰、和去火的作用;
双歧杆菌为当前研究公认的益生菌,对身体的保健作用如下:1、肿瘤防治,2、保护肝脏,3、防治心血管疾病,4、改善乳糖消化。
本发明的有益效果:1、南瓜自身含有丰富的营养成分,其中包括低聚糖类物质,能为双歧杆菌的生长繁殖提供有利条件;2、双歧杆菌对生长环境中的温度、湿度及pH值等都有严格的要求。葵花子本身在煮制的过程中,溶液会呈现酸性,为了维持一个适宜的pH范围,以柠檬酸和食用碱配制PH缓冲溶液来进行调节。
本发明是在煮制工艺中添加天然冰糖、现榨南瓜汁等物质高压短时煮制,保证营养成分损失最低,熟化冷却后添加双歧杆菌,在36.5℃-37℃恒温环境下发酵、真空包装而得,产品水分保持在30%-35%,PH在6.8-7.0,口感湿润甘甜, 通过本发明工艺制备出了一种添加冰糖南瓜汁调节肠胃的双歧杆菌发酵瓜子。
具体实施方式
下面结合实施例,对本发明的具体实施方式作进一步描述。以下实施例仅用于更加清楚地说明本发明的技术方案,而不能以此来限制本发明的保护范围。
实施例1
一种双歧杆菌发酵瓜子的加工方法,具体包括以下步骤:
1).南瓜汁制备: 将新鲜的南瓜洗净切块放入榨汁机中,榨汁后取汁液备用;
2 ).瓜子煮制:甘草0.2份,桂皮0.5份,丁香0.1份,八角1份,小茴香4份,天然冰糖6份入锅煮沸后,加入体积质量分数为15%的南瓜汁,待再次煮沸后放入瓜子原料95份,之后再转入高压锅煮制,煮制时间为0.5小时;
3 ).PH调节:在所述步骤2)煮制瓜子过程中添加柠檬酸和食用碱配制的PH缓冲溶液,保持煮液的PH值在6.8;
4).干燥处理:煮制完成后对湿瓜子用干燥箱进行干燥,使瓜子水分保持在30%;
5 ).杀菌处理:干燥结束后,对瓜子进行微波杀菌处理;
6).菌悬液制备:将市售双歧杆菌菌粉与无菌水混合摇匀,制备菌悬液待用;
7).接种及发酵:在无菌的环境中接种双歧杆菌菌悬液,接着对所述步骤5)中杀菌处理后的瓜子进行固态发酵处理,在36.5℃恒温环境下发酵;
8 ).指标检测:对发酵结束后瓜子的指标进行检测;
9 ).产品包装:对所述步骤8)检测指标合格的瓜子进行真空包装即可。
实施例2
一种双歧杆菌发酵瓜子的加工方法,具体包括以下步骤:
1).南瓜汁制备: 将新鲜的南瓜洗净切块放入榨汁机中,榨汁后取汁液备用;
2 ).瓜子煮制:甘草0.3份,桂皮0.65份,丁香0.2份,八角2份,小茴香5份,天然冰糖7份入锅煮沸后,加入体积质量分数为15%的南瓜汁,待再次煮沸后放入瓜子原料100份,之后再转入高压锅煮制,煮制时间为0.8小时;
3 ).PH调节:在所述步骤2)煮制瓜子过程中添加柠檬酸和食用碱配制的PH缓冲溶液,保持煮液的PH值在6.9;
4).干燥处理:煮制完成后对湿瓜子用干燥箱进行干燥,使瓜子水分保持在33%;
5 ).杀菌处理:干燥结束后,对瓜子进行微波杀菌处理;
6).菌悬液制备:将市售双歧杆菌菌粉与无菌水混合摇匀,制备菌悬液待用;
7).接种及发酵:在无菌的环境中接种双歧杆菌菌悬液,接着对所述步骤5)中杀菌处理后的瓜子进行固态发酵处理,在36.7℃恒温环境下发酵;
8 ).指标检测:对发酵结束后瓜子的指标进行检测;
9 ).产品包装:对所述步骤8)检测指标合格的瓜子进行真空包装即可。
实施例3
一种双歧杆菌发酵瓜子的加工方法,具体包括以下步骤:
1).南瓜汁制备: 将新鲜的南瓜洗净切块放入榨汁机中,榨汁后取汁液备用;
2 ).瓜子煮制:甘草0.4份,桂皮0.8份,丁香0.3份,八角3份,小茴香6份,天然冰糖8份入锅煮沸后,加入体积质量分数为15%的南瓜汁,待再次煮沸后放入瓜子原料105份,之后再转入高压锅煮制,煮制时间为1小时;
3 ).PH调节:在所述步骤2)煮制瓜子过程中添加柠檬酸和食用碱配制的PH缓冲溶液,保持煮液的PH值在7.0;
4).干燥处理:煮制完成后对湿瓜子用干燥箱进行干燥,使瓜子水分保持在35%;
5 ).杀菌处理:干燥结束后,对瓜子进行微波杀菌处理;
6).菌悬液制备:将市售双歧杆菌菌粉与无菌水混合摇匀,制备菌悬液待用;
7).接种及发酵:在无菌的环境中接种双歧杆菌菌悬液,接着对所述步骤5)中杀菌处理后的瓜子进行固态发酵处理,在37℃恒温环境下发酵;
8 ).指标检测:对发酵结束后瓜子的指标进行检测;
9 ).产品包装:对所述步骤8)检测指标合格的瓜子进行真空包装即可。
本发明主要的技术路线通过有效控制成品瓜子含水量和PH值范围,采用真空包装后微波杀菌的处理方式,解决了传统瓜子炒制烘焙的工艺局限性,同时解决了烘烤工艺瓜子上火的缺点。通过添加化痰止渴的冰糖煮制瓜子,同时产品水分保持在30%-35%,赋予产品湿润甘甜的口感。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (10)
1.一种双歧杆菌发酵瓜子的加工方法,其特征在于,具体包括以下步骤:1).南瓜汁制备: 将新鲜的南瓜洗净切块放入榨汁机中,榨汁后取汁液备用;
2 ).瓜子煮制:配料入锅煮沸后,加入南瓜汁,待再次煮沸后放入瓜子原料,煮制时间为0.5-1小时;
3 ).PH调节:在所述步骤2)煮制瓜子过程中添加缓冲溶液,保持煮液的PH值在6.8-7.0范围内;
4).干燥处理:煮制完成后对湿瓜子进行干燥,使瓜子水分保持在30%-35% 之间;
5 ).杀菌处理:干燥结束后,对瓜子进行杀菌处理;
6).菌悬液制备:将市售双歧杆菌菌粉与无菌水混合摇匀,制备菌悬液待用;
7).接种及发酵:在无菌的环境中接种双歧杆菌菌悬液,接着对所述步骤5)中杀菌处理后的瓜子进行固态发酵处理;
8 ).指标检测:对发酵结束后瓜子的指标进行检测;
9 ).产品包装:对所述步骤8)检测指标合格的瓜子进行真空包装即可。
2.根据权利要求1 所述的一种双歧杆菌发酵瓜子的加工方法,其特征在于,所述步骤2)中的配料按以下重量份称取各原料组分:甘草0.2-0.4份,桂皮0.5-0.8份,丁香0.1-0.3份,八角1-3份,小茴香4-6份,天然冰糖6-8份。
3.根据权利要求1 所述的一种双歧杆菌发酵瓜子的加工方法,其特征在于,所述步骤2)投入锅内的配料与瓜子的质量比为1:5-8。
4.根据权利要求1 所述的一种双歧杆菌发酵瓜子的加工方法,其特征在于,所述步骤2)配料入锅煮沸后,加入体积质量分数为15%的南瓜汁。
5.根据权利要求1所述的一种双歧杆菌发酵瓜子的加工方法,其特征在于, 所述步骤2)配料入锅煮沸后,加入南瓜汁,待再次煮沸后放入瓜子原料,之后再转入高压锅煮制,煮制时间为0.5-1小时。
6.根据权利要求1所述的一种双歧杆菌发酵瓜子的加工方法,其特征在于,所述步骤3)缓冲溶液为柠檬酸和食用碱配制的PH缓冲溶液。
7.根据权利要求1所述的一种双歧杆菌发酵瓜子的加工方法,其特征在于,所述步骤4)煮制完成后对湿瓜子用干燥箱进行干燥。
8.根据权利要求1所述的一种双歧杆菌发酵瓜子的加工方法,其特征在于,所述步骤5)杀菌处理:干燥结束后,对瓜子进行微波杀菌处理。
9.根据权利要求1所述的一种双歧杆菌发酵瓜子的加工方法,其特征在于,所述步骤7)在36.5℃-37℃恒温环境下发酵。
10.根据权利要求1所述的一种双歧杆菌发酵瓜子的加工方法,其特征在于,所述瓜子为南瓜子、西瓜子、葵瓜子中的一种。
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