CN109549155A - 一种茉莉核桃仁的加工方法 - Google Patents
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Abstract
本发明涉及食品加工技术领域,具体涉及一种茉莉核桃仁的加工方法。所述加工方法历经茉莉花酒制备、核桃仁烘烤、核桃仁复烘、按相同的复烘方法多次复烘、核桃仁烘干等加工工艺,通过茉莉花酒在核桃仁上的燃烧和茉莉花瓣的混合窨制技术,在火炭烘烤作用下,使得茉莉花的有益成分渗透进核桃仁中,两者有机结合,使得加工出的成品核桃仁中带有香而不浓的茉莉清香,具有化痰止咳、明目醒脑、补充营养等功效,且可直接食用,不用剥壳、去皮,方便快捷,随时享用,满足当代消费者的消费需求。
Description
技术领域
本发明涉及核桃加工技术领域,具体涉及一种茉莉核桃仁的加工方法。
背景技术
核桃,又称胡桃,羌桃,为胡桃科植物。与扁桃、腰果、榛子并称为世界著名的“四大干果”。核桃仁含有丰富的营养素;中医自古就把核桃称为“长寿果”,认为核桃能补肾健脑,补中益气,润肌肤、乌须发。核桃含有63%的亚油酸、16.4%的亚麻酸,以及丰富的蛋白质、磷、钙和多种维生素,含有大量的不饱和脂肪酸,能强化脑血管弹力和促进神经细胞的活力,提高大脑的生理功能。而且,核桃含磷脂较高,可维护细胞正常代谢,增强细胞活力,防止脑细胞的衰退。营养学家倡导学龄儿童每天吃2~3个核桃,对那些焦躁不安、少气无力、厌恶学习和反应迟钝的孩子很有帮助。但我国对于核桃的综合利用的环节比较薄弱,尤其是核桃具有壳,食用之前必须去壳,给食用者造成食用不变,同时还会产生垃圾。
茉莉,木犀科、素馨属直立或攀援灌木,高达3米。小枝圆柱形或稍压扁状,有时中空,疏被柔毛。叶对生,单叶,叶片纸质,圆形、椭圆形、卵状椭圆形或倒卵形,两端圆或钝,基部有时微心形,在上面稍凹入或凹起,下面凸起,细脉在两面常明显,微凸起,除下面脉腋间常具簇毛外,其余无毛;裂片长圆形至近圆形,先端圆或钝。果球形,呈紫黑色。花期5~8月,果期7~9月。茉莉的花极香,为著名的花茶原料及重要的香精原料。
每100克茉莉花含挥发油性物质2~3克,主要成分为苯甲醇或其脂类、茉莉花素、芳樟醇、安息香酸芳樟醇酯等,还含有吼哚,素馨内酯等物质。研究表明,茉莉花具有清热解毒、利湿杀菌、止咳化痰等作用。
随着生活节奏的加快,人们更喜爱食用方便即食的健康食品,但核桃与茉莉花相结合制成的保健食品至今还未见相关报告。
发明内容
为了解决上述问题,提高核桃的使用方便性,并将其加工成健康的保健食品,本发明提供了一种茉莉核桃仁的加工方法。
本发明是通过以下技术方案实现的:
一种茉莉核桃仁的加工方法,包括以下步骤:
a、茉莉花酒制备:取洁白的新鲜茉莉花瓣,置于清水中漂洗干净,于20~23℃的风温下沥干水分,置于白酒中恒温浸泡5~7d,过滤,制得茉莉花酒备用;所述恒温浸泡温度为23~25℃,茉莉花瓣与白酒混合比例为37~50g/100ml;
b、核桃仁烘烤:取九分熟的新鲜核桃仁,置于25~28℃的清水中淘洗2~3次,在10min内沥干表层水分,倒入漏筛中,置于提前加热至40~45℃的茉莉花酒漂烫15~20s,捞出后立即平铺在网筛中,置于炭火上分,控制烘烤温度为55~60℃;
再于网筛上的核桃仁上喷淋常温茉莉花酒,喷淋至核桃仁湿润但不滴水,点火,控制核桃仁上起火,燃烧结束后再将提前洗净且沥干水分的新鲜茉莉花瓣平撒在起火后的核桃仁上方,至茉莉花瓣完全覆盖核桃仁,最后在茉莉花瓣上铺盖一层湿润棉布,控制烘烤温度不变,烘烤10~12h,烘烤结束后分离茉莉花瓣和核桃仁;
c、核桃仁复烘:取上述分离结束的核桃仁再次平铺在底层铺有一层茉莉花瓣的网筛上方,再于核桃仁上喷淋常温茉莉花酒,喷淋至核桃仁湿润但不滴水,点火,控制核桃仁上起火,燃烧结束后再将提前洗净且沥干水分的新鲜茉莉花瓣平撒在起火后的核桃仁上方,至茉莉花瓣完全覆盖核桃仁,最后在茉莉花瓣上铺盖一层湿润棉布,控制烘烤温度为65~70℃,烘烤6~8h,烘烤结束后分离茉莉花瓣和核桃仁;
重复步骤(c)2~5次;
d、核桃仁烘干:取上述分离结束的核桃仁,平铺在网筛上方,厚度1~2cm,喷淋常温茉莉花酒,喷淋至核桃仁湿润但不滴水,点火,控制核桃仁上起火,于75~80℃的炭火上方翻炒烘至表层酒液完全沥干,最后转移至65~75℃的热风式烘干机中烘至核桃仁含水量≤11%,于130~135℃的温度下微博杀菌15~30s,即得成品茉莉核桃仁,此种核桃仁酒香味香醇;
或将翻炒结束的核桃仁冷却至室温后置于35~40℃的清水中淘洗2~3次,捞出沥干水分,最后转移至75~80℃的热风式烘干机中烘至核桃仁含水量≤11%,于130~135℃的温度下微博杀菌15~30s,即得成品茉莉核桃仁,此种核桃仁酒香味清淡。
优选的,所述白酒为53度的纯糯米酒、玉米酒、高粱酒或小米酒。
优选的,所述茉莉花取至同一品种,控制茉莉花品种单一。
优选的,所述步骤b中,还需控制核桃仁在网筛中的平铺厚度≤4cm。
优选的,所述湿润棉布由下列方法制备而成:
于洁净纯棉棉布上淋撒茉莉花酒液,至纯棉布湿润但不滴水,并置于蒸笼中蒸至40~45℃;
其中,还需控制湿润棉布铺盖于茉莉花瓣上时,温度≥40℃。
优选的,所述步骤c中,茉莉花瓣与核桃仁的用量比为1:1;即控制网筛底层的茉莉花瓣与核桃仁上方的茉莉花瓣的总用量与两层花瓣间的核桃仁总重相同。
优选的,所述步骤c中,还需控制核桃仁在网筛中的平铺厚度≤2cm。
本发明的有益效果是:
与现有技术相比,本发明通过茉莉花酒在核桃仁上的燃烧和茉莉花瓣的混合窨制技术,在火炭烘烤作用下,使得茉莉花的有益成分渗透进核桃仁中,两者有机结合,使得加工出的成品核桃仁中带有香而不浓的茉莉清香,具有化痰止咳、明目醒脑、补充营养等功效,且可直接食用,不用剥壳、去皮,方便快捷,随时享用,满足当代消费者的消费需求。
具体实施方式
下面结合具体实施方式对本发明进一步作详细的说明,但本发明提供的技术方案不仅包括实施例中展现的内容。
实施例1
本实施例提供了一种酒香味香醇的茉莉核桃仁的加工方法,具体过程如下:
第一步、茉莉花酒制备:取单一品种的、洁白的、单瓣品种的新鲜茉莉花瓣,置于清水中漂洗干净,于20℃的风温下沥干水分,置于53度的纯糯米酒中恒温浸泡7d,过滤,制得茉莉花酒备用;所述恒温浸泡温度为23℃,茉莉花瓣与白酒混合比例为37g/100ml;
第二步、核桃仁烘烤:取九分熟的新鲜核桃仁,置于25℃的清水中淘洗3次,于25℃的风干机下,10min内沥干表层水分,倒入漏筛中,置于提前加热至40℃的茉莉花酒漂烫20s,捞出后立即平铺在网筛中,还需控制核桃仁在网筛中的平铺厚度为4cm,置于炭火上分,控制烘烤温度为55℃;
再于网筛上的核桃仁上喷淋常温茉莉花酒,喷淋至核桃仁湿润但不滴水,点火,控制核桃仁上起火,燃烧结束后再将提前洗净且沥干水分的新鲜茉莉花瓣平撒在起火后的核桃仁上方,至茉莉花瓣完全覆盖核桃仁,最后在茉莉花瓣上铺盖一层湿润棉布,控制烘烤温度不变,烘烤12h,烘烤结束后分离茉莉花瓣和核桃仁;
第三步、核桃仁复烘:取上述分离结束的核桃仁再次平铺在底层铺有一层茉莉花瓣的网筛上方,控制核桃仁在茉莉花瓣上的平铺厚度2cm,防止厚度太厚造成窨制不充分;再于核桃仁上喷淋常温茉莉花酒,喷淋至核桃仁湿润但不滴水,点火,控制核桃仁上起火,燃烧结束后再将提前洗净且沥干水分的新鲜茉莉花瓣平撒在起火后的核桃仁上方,至茉莉花瓣完全覆盖核桃仁,最后在茉莉花瓣上铺盖一层湿润棉布,控制烘烤温度为65℃,烘烤8h,烘烤结束后分离茉莉花瓣和核桃仁;
按与核桃仁复烘相同的方法重复烘烤核桃仁5次;
在复烘过程中,控制茉莉花瓣与核桃仁的用量比为1:1;即控制网筛底层的茉莉花瓣与核桃仁上方的茉莉花瓣的总用量与两层花瓣间的核桃仁总重相同,保证窨制充分;
第四步、核桃仁烘干:取上述分离结束的核桃仁,平铺在网筛上方,厚度1cm,喷淋常温茉莉花酒,喷淋至核桃仁湿润但不滴水,点火,控制核桃仁上起火,于75℃的炭火上方翻炒烘至表层酒液完全沥干,最后转移至75℃的热风式烘干机中烘至核桃仁含水量11%,于130℃的温度下微博杀菌30s,即得酒香味香醇的成品茉莉核桃仁,真空罐装,每罐125g。
在本实施例中,所述湿润棉布由下列方法制备而成:
于洁净纯棉棉布上淋撒茉莉花酒液,至纯棉布湿润但不滴水,并置于蒸笼中蒸至40℃;
其中,还需控制湿润棉布铺盖于茉莉花瓣上时,温度为40℃,让湿润棉布隔离茉莉花香向外传播,使其与核桃仁充分融合窨制。
实施例2
本实施例提供了一种酒香味清淡的茉莉核桃仁的加工方法,具体过程如下:
第一步、茉莉花酒制备:取单一品种的、洁白的、单瓣品种的新鲜茉莉花瓣,置于清水中漂洗干净,于23℃的风温下沥干水分,置于53度的纯糯米酒中恒温浸泡5d,过滤,制得茉莉花酒备用;所述恒温浸泡温度为25℃,茉莉花瓣与白酒混合比例为50g/100ml;
第二步、核桃仁烘烤:取九分熟的新鲜核桃仁,置于28℃的清水中淘洗2次,于26℃的风干机下,10min内沥干表层水分,倒入漏筛中,置于提前加热至45℃的茉莉花酒漂烫15s,捞出后立即平铺在网筛中,还需控制核桃仁在网筛中的平铺厚度1cm,置于炭火上分,控制烘烤温度为60℃;
再于网筛上的核桃仁上喷淋常温茉莉花酒,喷淋至核桃仁湿润但不滴水,点火,控制核桃仁上起火,燃烧结束后再将提前洗净且沥干水分的新鲜茉莉花瓣平撒在起火后的核桃仁上方,至茉莉花瓣完全覆盖核桃仁,最后在茉莉花瓣上铺盖一层湿润棉布,控制烘烤温度不变,烘烤10h,烘烤结束后分离茉莉花瓣和核桃仁;
第三步、核桃仁复烘:取上述分离结束的核桃仁再次平铺在底层铺有一层茉莉花瓣的网筛上方,控制核桃仁在茉莉花瓣上的平铺厚度12cm,防止厚度太厚造成窨制不充分;再于核桃仁上喷淋常温茉莉花酒,喷淋至核桃仁湿润但不滴水,点火,控制核桃仁上起火,燃烧结束后再将提前洗净且沥干水分的新鲜茉莉花瓣平撒在起火后的核桃仁上方,至茉莉花瓣完全覆盖核桃仁,最后在茉莉花瓣上铺盖一层湿润棉布,控制烘烤温度为70℃,烘烤6h,烘烤结束后分离茉莉花瓣和核桃仁;
按与核桃仁复烘相同的方法重复烘烤核桃仁2次;
在复烘过程中,控制茉莉花瓣与核桃仁的用量比为1:1;即控制网筛底层的茉莉花瓣与核桃仁上方的茉莉花瓣的总用量与两层花瓣间的核桃仁总重相同,保证窨制充分;
第四步、核桃仁烘干:取上述分离结束的核桃仁,平铺在网筛上方,厚度2cm,喷淋常温茉莉花酒,喷淋至核桃仁湿润但不滴水,点火,控制核桃仁上起火,于80℃的炭火上方翻炒烘至表层酒液完全沥干,冷却至室温后置于40℃的清水中淘洗2次,捞出沥干水分,最后转移至80℃的热风式烘干机中烘至核桃仁含水量9%,于135℃的温度下微博杀菌15s,即得酒香味清淡的成品茉莉核桃仁,真空盒装,每盒250g。
在本实施例中,所述湿润棉布由下列方法制备而成:
于洁净纯棉棉布上淋撒茉莉花酒液,至纯棉布湿润但不滴水,并置于蒸笼中蒸至45℃;
其中,还需控制湿润棉布铺盖于茉莉花瓣上时,温度为45℃,让湿润棉布隔离茉莉花香向外传播,使其与核桃仁充分融合窨制。
以上所述,仅是本发明的较佳实施例而已,并非对本发明作任何形式上的限制,任何未脱离本发明技术方案内容,依据本发明的技术实质对以上实施例所作的任何修改、等同变化与修饰,均仍属于本发明技术方案的范围内。
Claims (7)
1.一种茉莉核桃仁的加工方法,其特征在于,包括以下步骤:
a、茉莉花酒制备:取洁白的新鲜茉莉花瓣,置于清水中漂洗干净,于20~23℃的风温下沥干水分,置于白酒中恒温浸泡5~7d,过滤,制得茉莉花酒备用;所述恒温浸泡温度为23~25℃,茉莉花瓣与白酒混合比例为37~50g/100ml;
b、核桃仁烘烤:取九分熟的新鲜核桃仁,置于25~28℃的清水中淘洗2~3次,在10min内沥干表层水分,倒入漏筛中,置于提前加热至40~45℃的茉莉花酒漂烫15~20s,捞出后立即平铺在网筛中,置于炭火上分,控制烘烤温度为55~60℃;
再于网筛上的核桃仁上喷淋常温茉莉花酒,喷淋至核桃仁湿润但不滴水,点火,控制核桃仁上起火,燃烧结束后再将提前洗净且沥干水分的新鲜茉莉花瓣平撒在起火后的核桃仁上方,至茉莉花瓣完全覆盖核桃仁,最后在茉莉花瓣上铺盖一层湿润棉布,控制烘烤温度不变,烘烤10~12h,烘烤结束后分离茉莉花瓣和核桃仁;
c、核桃仁复烘:取上述分离结束的核桃仁再次平铺在底层铺有一层茉莉花瓣的网筛上方,再于核桃仁上喷淋常温茉莉花酒,喷淋至核桃仁湿润但不滴水,点火,控制核桃仁上起火,燃烧结束后再将提前洗净且沥干水分的新鲜茉莉花瓣平撒在起火后的核桃仁上方,至茉莉花瓣完全覆盖核桃仁,最后在茉莉花瓣上铺盖一层湿润棉布,控制烘烤温度为65~70℃,烘烤6~8h,烘烤结束后分离茉莉花瓣和核桃仁;
重复步骤(c)2~5次;
d、核桃仁烘干:取上述分离结束的核桃仁,平铺在网筛上方,厚度1~2cm,喷淋常温茉莉花酒,喷淋至核桃仁湿润但不滴水,点火,控制核桃仁上起火,于75~80℃的炭火上方翻炒烘至表层酒液完全沥干,最后转移至65~75℃的热风式烘干机中烘至核桃仁含水量≤11%,于130~135℃的温度下微博杀菌15~30s,即得成品茉莉核桃仁;
或将翻炒结束的核桃仁冷却至室温后置于35~40℃的清水中淘洗2~3次,捞出沥干水分,最后转移至75~80℃的热风式烘干机中烘至核桃仁含水量≤11%,于130~135℃的温度下微博杀菌15~30s,即得成品茉莉核桃仁。
2.根据权利要求1所述的一种茉莉核桃仁的加工方法,其特征在于,所述白酒为53度的纯糯米酒、玉米酒、高粱酒或小米酒。
3.根据权利要求1所述的一种茉莉核桃仁的加工方法,其特征在于,所述茉莉花取至同一品种。
4.根据权利要求1所述的一种茉莉核桃仁的加工方法,其特征在于,所述步骤(b)中,还需控制核桃仁在网筛中的平铺厚度≤4cm。
5.根据权利要求1所述的一种茉莉核桃仁的加工方法,其特征在于,所述湿润棉布由下列方法制备而成:
于洁净纯棉棉布上淋撒茉莉花酒液,至纯棉布湿润但不滴水,并置于蒸笼中蒸至40~45℃;
其中,还需控制湿润棉布铺盖于茉莉花瓣上时,温度≥40℃。
6.根据权利要求1所述的一种茉莉核桃仁的加工方法,其特征在于,所述步骤(c)中,茉莉花瓣与核桃仁的用量比为1:1。
7.根据权利要求1所述的一种茉莉核桃仁的加工方法,其特征在于,所述步骤(c)中,还需控制核桃仁在网筛中的平铺厚度≤2cm。
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