CN114698781B - 一种方便米饭及其制备方法 - Google Patents

一种方便米饭及其制备方法 Download PDF

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CN114698781B
CN114698781B CN202210382976.4A CN202210382976A CN114698781B CN 114698781 B CN114698781 B CN 114698781B CN 202210382976 A CN202210382976 A CN 202210382976A CN 114698781 B CN114698781 B CN 114698781B
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dietary fiber
oligosaccharide
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CN114698781A (zh
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金建国
杨新球
陈子健
王涛
郝占西
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Quantum Hi Tech Guangdong Biology Co ltd
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Abstract

本发明公开一种方便米饭及其制备方法,涉及方便米饭技术领域。本发明提供了一种方便米饭,包括以下重量份的组分:米/米粉100份、复合水溶膳食纤维5‑50份、单甘脂0‑1份;其中,所述复合水溶膳食纤维包括低聚果糖、低聚半乳糖、聚葡萄糖/抗性糊精。本发明采用复合水溶膳食纤维制作方便米饭,增加了米饭中的膳食纤维营养素的同时,加快了复水速度,减少了复水时间,更体现出快捷的特点。低聚果糖、低聚半乳糖、聚葡萄糖/抗性糊精三者复配,在增加了口感的基础上,复水率也相应提高。

Description

一种方便米饭及其制备方法
技术领域
本发明涉及方便米饭技术领域,尤其是一种方便米饭及其制备方法。
背景技术
现有制备方便米饭的方法,多采用大米粉、玉米淀粉进行熟化、成型、干燥,成型时其形似米粒,色泽呈类似大米的半透明状,食用时借助加热包(也可采用沸水浸泡5-10分钟),将米粒吸水膨胀,然后加入菜、肉等调味酱,搅拌均匀后食用。现有制备方便米饭的方法,具有以下缺点:(1)增加了完全可消化的碳水化合物(淀粉)进行填充,其营养性更低,膳食纤维含量更低(<0.5%);(2)淀粉含量过高、组织过于致密,在食用时不如方便面更为快速与方便,常规方便面多在5分钟左右即可食用,而方便米饭一般要在10分钟左右方可食用;(3)需要借助于加热包,增加了制作成本,如不添加加热包,则制作时间与制作后的产品口味受到影响。
发明内容
基于此,本发明的目的在于克服上述现有技术的不足之处而提供一种方便米饭及其制备方法。
为实现上述目的,本发明所采取的技术方案为:一种方便米饭,包括以下重量份的组分:米/米粉100份、复合水溶膳食纤维5-50份、单甘脂0-1份;其中,所述复合水溶膳食纤维包括低聚果糖、低聚半乳糖、聚葡萄糖/抗性糊精。
本发明提供了一种复合水溶膳食纤维和米复合的方便米饭,首先,增加了用整粒大米制作的方便米饭的复水速度,使其更快速成为可食用的米饭。其次,采用复合水溶性膳食纤维进行制作,增加了米饭中的膳食纤维营养素的同时,加快了复水速度,减少了复水时间,更体现出快捷的特点。最后,低聚果糖、低聚半乳糖、聚葡萄糖/抗性糊精三者复配,在增加了口感的基础上,复水率也相应提高。
优选地,所述的方便米饭,包括以下重量份的组分:水溶膳食纤维10-20份、单甘脂0.5-0.8份。
发明人在实际实验过程中发现,水溶膳食纤维和单甘脂复配也起到了协同增效的作用,口感和复水率进一步提升。
优选地,所述复合水溶膳食纤维中低聚果糖、低聚半乳糖、聚葡萄糖/抗性糊精的重量比为:低聚果糖:低聚半乳糖:聚葡萄糖/抗性糊精=(0.1-1.5):(0.1-1.5):(0.1-1.5)。进一步优选地,所述复合水溶膳食纤维中低聚果糖、低聚半乳糖、聚葡萄糖/抗性糊精的重量比为:低聚果糖:低聚半乳糖:聚葡萄糖/抗性糊精=1:1:1。
发明人在实际实验过程中发现,低聚果糖、低聚半乳糖、聚葡萄糖/抗性糊精三者复配,采用上述重量比时,口感更佳,复水率相对更高。
此外,本发明提供了所述的方便米饭的制备方法,包括如下步骤:
(1)按比例称量各组分;
(2)将米、复合水溶膳食纤维、单甘脂的混合物和水混合,浸泡、蒸煮、保温、离散、干燥后得到所述的方便米饭。
优选地,所述步骤(2)中,混合物和水的重量比为:混合物:水=1:(1-1.4);浸泡的温度为20-30℃,浸泡的时间为30-40min;蒸煮的时间为20-40min,保温的时间为10-15min。
优选地,所述步骤(2)中,干燥方式为热风烘干,热风烘干的温度为70-80℃,热风烘干的时间为12-15h。
优选地,所述步骤(2)中,干燥方式为油炸,油炸的温度为110-140℃。油炸米饭(含真空低温油炸工艺)的加工处理工艺,但不排除其它干燥工艺,实验证明,结合油炸干燥工艺可使方便米饭更快速地食用,与方便面的食用方法一致,因方便面的食用方法已广泛得到了消费者的认同,故更方便了消费者食用。
相对于现有技术,本发明的有益效果为:(1)增加了用整粒大米制作的方便米饭的复水速度,使其更快速成为可食用的米饭。(2)采用复合水溶性膳食纤维进行制作,增加了米饭中的膳食纤维营养素的同时,加快了复水速度,减少了复水时间,更体现出快捷的特点。(3)低聚果糖、低聚半乳糖、聚葡萄糖/抗性糊精三者复配,在增加了口感的基础上,复水率也相应提高。
具体实施方式
为更好的说明本发明的目的、技术方案和优点,下面将结合具体实施例对本发明作进一步说明。
实施例中,所使用的实验方法如无特殊说明,均为常规方法,所用的材料、试剂等,如无特殊说明,均可从商业途径得到。
实施例和对比例
本发明实施例和对比例所述方便米饭的组分及重量份选择如表1、表2所示,本发明表1和表2中以0:1:1为例,0仅表示不含该组分,只含有其余两种组分,方便米饭的制备方法如下:
(1)按比例称量各组分;
(2)将米、复合水溶膳食纤维、单甘脂的混合物和水混合,浸泡、蒸煮、保温、离散、干燥后得到所述的方便米饭;其中,混合物和水的重量比为:混合物:水=1:1;浸泡的温度为25℃,浸泡的时间为30min;蒸煮的时间为25min,保温的时间为10min;
其中,干燥方式1为热风烘干,热风烘干的温度为70℃,热风烘干的时间为15h;干燥方式2为油炸,油炸的温度为130℃,油为棕榈油。
表1
表2
性能测试
(1)复水率:精确100克方便米饭,加入90℃以上热水350克,搅散后泡5分钟,采用筛网滤除多余水分,称复水后米饭的重量,通过(复水后重量/复水前重量*100%)的计算公式计算出复水率;
(2)感官测评,口感测评标准如表3所示,结合普通人饮食习惯进行的综合性评分,一般受米饭的糯性、韧性等影响,找到年龄20-50岁的10名志愿者对方便米饭进行综合测评,测试复水后米饭;
测试结果如表4所示;
表3
表4
表5
由表4-5对比可知,本发明实施例制备得到的方便米饭,复水率在230-260%之间,米饭粒型良好,口感极佳,有良好韧性,米饭微甜。水溶膳食纤维10-20份、单甘脂0.5-0.8份时,复水率在240-250%之间,口感更好。本发明实施例制备得到的方便米饭成品,水分含量均<10%,符合基本要求。
本发明复合水溶膳食纤维中低聚果糖、低聚半乳糖、聚葡萄糖/抗性糊精的重量比为:低聚果糖:低聚半乳糖:聚葡萄糖/抗性糊精=1:1:1时,复水率在240-250%之间,口感更好。对比例1-3复合水溶膳食纤维不含本发明特定的3种组分中至少一种,对比例6-8不选用本发明特定的3种组分,从结果来看,口感差且复水率低。对比例4-5是组分含量不在本发明保护范围内,从结果来看,复水率要么过高,要么过低,口感差。
最后所应当说明的是,以上实施例仅用以说明本发明的技术方案而非对本发明保护范围的限制,尽管参照较佳实施例对本发明作了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的实质和范围。

Claims (6)

1.一种方便米饭,其特征在于,由以下重量份的组分组成:米/米粉100份、复合水溶膳食纤维10-20份、单甘脂0.5-0.8份;其中,所述复合水溶膳食纤维由低聚果糖、低聚半乳糖、聚葡萄糖/抗性糊精组成;
所述复合水溶膳食纤维中低聚果糖、低聚半乳糖、聚葡萄糖/抗性糊精的重量比为:低聚果糖:低聚半乳糖:聚葡萄糖/抗性糊精=(0.1-1.5):(0.1-1.5):(0.1-1.5)。
2.如权利要求1所述的方便米饭,其特征在于,所述复合水溶膳食纤维中低聚果糖、低聚半乳糖、聚葡萄糖/抗性糊精的重量比为:低聚果糖:低聚半乳糖:聚葡萄糖/抗性糊精=1:1:1。
3.一种如权利要求1-2任一项所述的方便米饭的制备方法,其特征在于,包括如下步骤:
(1)按比例称量各组分;
(2)将米、复合水溶膳食纤维、单甘脂的混合物和水混合,浸泡、蒸煮、保温、离散、干燥后得到所述的方便米饭。
4.如权利要求3所述的方便米饭的制备方法,其特征在于,所述步骤(2)中,混合物和水的重量比为:混合物:水=1:(1-1.4);浸泡的温度为20-30℃,浸泡的时间为30-40min;蒸煮的时间为20-40min,保温的时间为10-15min。
5.如权利要求3所述的方便米饭的制备方法,其特征在于,所述步骤(2)中,干燥方式为热风烘干,热风烘干的温度为70-80℃,热风烘干的时间为12-15h。
6.如权利要求3所述的方便米饭的制备方法,其特征在于,所述步骤(2)中,干燥方式为油炸,油炸的温度为110-140℃。
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