CN106666036A - 一种低糖绿茶味哈密瓜果脯的加工方法 - Google Patents
一种低糖绿茶味哈密瓜果脯的加工方法 Download PDFInfo
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Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G3/00—Sweetmeats; Confectionery; Marzipan; Coated or filled products
- A23G3/34—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof
- A23G3/36—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof characterised by the composition containing organic or inorganic compounds
- A23G3/48—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof characterised by the composition containing organic or inorganic compounds containing plants or parts thereof, e.g. fruits, seeds, extracts
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G3/00—Sweetmeats; Confectionery; Marzipan; Coated or filled products
- A23G3/34—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof
- A23G3/36—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof characterised by the composition containing organic or inorganic compounds
- A23G3/38—Sucrose-free products
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G2200/00—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF containing organic compounds, e.g. synthetic flavouring agents
- A23G2200/14—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF containing organic compounds, e.g. synthetic flavouring agents containing fruits, nuts, e.g. almonds, seeds, plants, plant extracts or essential oils
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Botany (AREA)
- Seasonings (AREA)
Abstract
本发明公开了一种低糖绿茶味哈密瓜果脯的加工方法,所述方法包括下列步骤:1)、将哈密瓜肉切成菱形或方形,分别高压浸泡低浓度盐水、绿茶浓缩液、罗汉果浓缩液,捞出晾干,零下30℃冷冻1小时;2)、将经过步骤1)的哈密瓜,置于温度为65‑75℃循环热风中烘烤1‑2小时后,把哈密瓜肉切下,将哈密瓜肉铺成一层,置于温度为75‑85℃循环热风中烘烤2‑4小时,喷上所述罗汉果浓缩液哈密瓜肉,再喷洒上绿茶粉哈密瓜肉,置于温度为45‑55℃循环热风中烘烤1‑2小时,即得所述低糖绿茶味哈密瓜果脯;本发明果脯采用罗汉果、甘草作为甜味剂,低糖,采用绿茶浓缩液作为调味剂,使得本发明具有绿茶口味,不添加任何添加剂绿色环保。
Description
技术领域
本发明涉及水果加工技术领域。更具体地说,本发明涉及一种低糖绿茶味哈密瓜果脯的加工方法。
背景技术
哈密瓜,性寒味甘,含蛋白质、膳食纤维、胡萝卜素、果胶、糖类、维生素A、维生素B、维生素C、磷、钠、钾等。哈密瓜果肉有利小便、止渴、除烦热、防暑气等作用,可治发烧、中暑、口渴、尿路感染、口鼻生疮等症状并且有清凉消暑,除烦热,生津止渴的作用,是夏季解暑的佳品。食用哈密瓜对人体造血机能有显著的促进作用,可以用来作为贫血的食疗之品。如果常感到身心疲倦、心神焦躁不安或是口臭,食用哈密瓜都能有所改善。哈密瓜香甜可口,果肉细腻,而且果肉愈靠近种子处,甜度越高,愈靠近果皮越硬,因此皮最好削厚一点,吃起来更美味。目前哈密瓜果脯一般采用传统方法进行加工,一般经热烫、护色、硬化、冷却、再采取先高温、再中温、再高温的干燥复杂工艺方法,芒果营养易于流失,色、香、味、形状变异大,口感差。
发明内容
本发明的一个目的是解决至少上述问题,并提供一种低糖绿茶味哈密瓜果脯的加工方法,本发明将哈密瓜切成菱形或方形,容易在干燥过程中保持形状,高压浸泡低浓度盐水、绿茶浓缩液、罗汉果浓缩液,浸泡后绿茶浓缩液使得低糖绿茶味哈密瓜果脯在加热干燥后形状保持良好且色泽好看,添加的罗汉果浓缩液代替蔗糖或麦芽糖,使得本发明具有甜味,使得本发明低糖,同时减少营养成分的流失,加工时间缩短降低加工的成本,并且不添加任何防腐剂和色素,食用安全健康。
本发明提供的技术方案为:
本发明低糖绿茶味哈密瓜果脯的加工方法包括下列步骤:
1)、挑选无腐烂变质8-9成熟哈密瓜,将哈密瓜去皮,对半切开,去籽后沿着哈密瓜的形状将哈密瓜切成边长0.5-1厘米菱形或方形,接着哈密瓜放入含有2%质量分数的食盐溶液高压下浸泡10-20分钟,捞出沥干后置于绿茶浓缩液中高压浸泡1-2小时后,再次捞出沥干后置于罗汉果浓缩液中高压浸泡1-2小时后,捞出晾干,在零下30℃冷冻1小时;
2)、将经过步骤1)的哈密瓜,铺成一层,置于温度为65-75℃循环热风中烘烤1-2小时后,再将循环热风温度调节为75-85℃中烘烤2-4小时,喷上所述罗汉果浓缩液10ml/kg哈密瓜,再喷洒上绿茶粉50g/kg哈密瓜,置于温度为45-55℃循环热风中烘烤1-2小时,即得所述低糖绿茶味哈密瓜果脯。
优选的是,步骤1)中高压为0.7-0.9Mpa。
优选的是,步骤1)浸泡的温度为45℃。
优选的是,步骤2)中所述绿茶粉为粒径10微米以下粉末。
优选的是,步骤2)中置于温度为45-55℃循环热风中烘烤1-2小时后还包括将哈密瓜干冷却后置于零下30℃冷冻1小时后,回温至25℃,采用微波灭菌1-3分钟,微波的温度为70-90℃,采用微波灭菌能够有效的灭除细菌,并且低温灭菌避免高温有效减少本发明中营养物质的流失。
优选的是,所述绿茶浓缩液由以下方法制成:将绿茶叶干燥制成茶粉,将茶粉与水按重量比1∶2混合后,超声波提取1小时后,离心提取过滤提取上清液,再减压蒸发浓缩至上清液体积的1/4,得到所述绿茶浓缩液,通过减压蒸发浓缩能使绿茶提取液能减少茶多酚损失,并且浓缩使茶多酚含量增多,使得本发明的绿茶浓缩液起到很好的抗氧化作用。
优选的是,所述罗汉果浓缩液由以下方法制成:将成熟罗汉果与甘草按重量比10∶1干燥制成粉末,按重量比1-5∶2-12加入水,温度为75-85℃煎煮1-2小时,过滤得到滤液,将滤液减压蒸发浓缩至原来体积的1/4,得到所述罗汉果浓缩液。
绿茶是未经发酵制成的茶,保留了鲜叶的天然物质,含有的茶多酚、儿茶素、叶绿素、咖啡碱、氨基酸、维生素等营养成分也较多。绿茶中的这些天然营养成份对防衰老、防癌、抗癌、杀菌、消炎等具有特殊效果,是其他茶类所不及的;
罗汉果含有罗汉果甜苷、多种氨基酸和维生素等药用成分,主治肺热痰火咳嗽、咽喉炎、扁桃体炎、急性胃炎、便秘等。是中国广西桂林市著名特产,是桂林三宝之一。罗汉果又称为甜味素,因其甜度高、热量低而作为甜味剂广泛使用,常作为肥胖者和糖尿病患者的代用糖。
甘草,气微,味甜而特殊。功能主治清热解毒、祛痰止咳、脘腹等。
本发明至少包括以下有益效果:
本发明将哈密瓜切成菱形或方形,容易在干燥过程中保持形状,高压浸泡低浓度盐水、绿茶浓缩液、罗汉果浓缩液,浸泡后绿茶浓缩液使得低糖绿茶味哈密瓜果脯在加热干燥后形状保持良好且色泽好看,哈密瓜果脯一般糖份含量过高,不适用于血糖患者,本发明添加的罗汉果浓缩液代替蔗糖或麦芽糖,使得本发明具有甜味,使得本发明低糖,且减少了热烫、护色、硬化过程,不增加化学添加剂,在烘干过程中采用低温干燥,减少营养物质流失,一般哈密瓜果脯味道单一,食多容易腻,本发明使用绿茶浓缩液浸泡,使得本发明果脯具有绿茶口。
本发明的其它优点、目标和特征将部分通过下面的说明体现,部分还将通过对本发明的研究和实践而为本领域的技术人员所理解。
具体实施方式
结合下面实施例对本发明做进一步的详细说明,以令本领域技术人员参照说明书文字能够据以实施。
本发明一个实施方式,低糖绿茶味哈密瓜果脯的加工方法包括下列步骤:
1)、挑选无腐烂变质8-9成熟哈密瓜,将哈密瓜去皮,对半切开,去籽后沿着哈密瓜的形状将哈密瓜切成边长0.5-1厘米菱形或方形,接着哈密瓜放入含有2%质量分数的食盐溶液高压下浸泡10-20分钟,捞出沥干后置于绿茶浓缩液中高压浸泡1-2小时后,再次捞出沥干后置于罗汉果浓缩液中高压浸泡1-2小时后,捞出晾干,在零下30℃冷冻1小时;
2)、将经过步骤1)的哈密瓜,铺成一层,置于温度为65-75℃循环热风中烘烤1-2小时后,再将循环热风温度调节为75-85℃中烘烤2-4小时,喷上所述罗汉果浓缩液10ml/kg哈密瓜,再喷洒上绿茶粉50g/kg哈密瓜,置于温度为45-55℃循环热风中烘烤1-2小时,即得所述低糖绿茶味哈密瓜果脯。
在上述基础上,本发明优选的实施方式:
本发明另一个实施方式,步骤1)中高压为0.7-0.9Mpa。
本发明另一个实施方式,步骤1)浸泡的温度为45℃。
本发明另一个实施方式,步骤2)中所述绿茶粉为粒径10微米以下粉末。
本发明另一个实施方式,步骤2)中置于温度为4555℃循环热风中烘烤1-2小时后还包括将哈密瓜干冷却后置于零下30℃冷冻1小时后,回温至25℃,采用微波灭菌1-3分钟,微波的温度为70-90℃。
本发明另一个实施方式,所述绿茶浓缩液由以下方法制成:将绿茶叶干燥制成茶粉,将茶粉与水按重量比1∶2混合后,超声波提取1小时后,离心提取过滤提取上清液,再减压蒸发浓缩至上清液体积的1/4,得到所述绿茶浓缩液。
本发明另一个实施方式,所述罗汉果浓缩液由以下方法制成:将成熟罗汉果与甘草按重量比10∶1干燥制成粉末,按重量比1-5∶2-12加入水,温度为75-85℃煎煮1-2小时,过滤得到滤液,将滤液减压蒸发浓缩至原来体积的1/4,得到所述罗汉果浓缩液。
实施例1
本实施例低糖绿茶味哈密瓜果脯的加工方法包括下列步骤:
1)、挑选无腐烂变质8-9成熟哈密瓜,将哈密瓜去皮,对半切开,去籽后沿着哈密瓜的形状将哈密瓜切成边长0.5-1厘米菱形或方形,接着哈密瓜放入含有2%质量分数的食盐溶液高压下浸泡10分钟,捞出沥干后置于绿茶浓缩液中高压浸泡1小时后,再次捞出沥干后置于罗汉果浓缩液中高压浸泡1小时后,捞出晾干,在零下30℃冷冻1小时;
2)、将经过步骤1)的哈密瓜,铺成一层,置于温度为65℃循环热风中烘烤1小时后,再将循环热风温度调节为75℃中烘烤2小时,喷上所述罗汉果浓缩液10ml/kg哈密瓜,再喷洒上绿茶粉50g/kg哈密瓜,置于温度为45℃循环热风中烘烤1小时,即得所述低糖绿茶味哈密瓜果脯。
实施例2
本实施例低糖绿茶味哈密瓜果脯的加工方法包括下列步骤:
1)、挑选无腐烂变质8-9成熟哈密瓜,将哈密瓜去皮,对半切开,去籽后沿着哈密瓜的形状将哈密瓜切成边长0.5-1厘米菱形或方形,接着哈密瓜放入含有2%质量分数的食盐溶液高压下浸泡20分钟,捞出沥干后置于绿茶浓缩液中高压浸泡2小时后,再次捞出沥干后置于罗汉果浓缩液中高压浸泡2小时后,捞出晾干,在零下30℃冷冻1小时;高压为0.9Mpa,浸泡的温度为45℃;
2)、将经过步骤1)的哈密瓜,铺成一层,置于温度为75℃循环热风中烘烤1-2小时后,再将循环热风温度调节为85℃中烘烤4小时,喷上所述罗汉果浓缩液10ml/kg哈密瓜,再喷洒上绿茶粉50g/kg哈密瓜,置于温度为55℃循环热风中烘烤2小时,置于零下30℃冷冻1小时后,回温至25℃,采用微波灭菌3分钟,微波的温度为90℃,即得所述低糖绿茶味哈密瓜果脯,所述绿茶粉为粒径10微米以下粉末;所述绿茶浓缩液由以下方法制成:将绿茶叶干燥制成茶粉,将茶粉与水按重量比1∶2混合后,超声波提取1小时后,离心提取过滤提取上清液,再减压蒸发浓缩至上清液体积的1/4,得到所述绿茶浓缩液,通过减压蒸发浓缩能使绿茶提取液能减少茶多酚损失,并且浓缩使茶多酚含量增多,使得本发明的绿茶浓缩液起到很好的抗氧化作用;所述罗汉果浓缩液由以下方法制成:将成熟罗汉果与甘草按重量比10∶1干燥制成粉末,按重量比5∶12加入水,温度为80℃煎煮1小时,过滤得到滤液,将滤液减压蒸发浓缩至原来体积的1/4,得到所述罗汉果浓缩液。
尽管本发明的实施方案已公开如上,但其并不仅仅限于说明书和实施方式中所列运用,它完全可以被适用于各种适合本发明的领域,对于熟悉本领域的人员而言,可容易地实现另外的修改,因此在不背离权利要求及等同范围所限定的一般概念下,本发明并不限于特定的细节和这里示出与描述的实施例。
Claims (7)
1.一种低糖绿茶味哈密瓜果脯的加工方法,其特征在于,所述方法包括下列步骤:
1)、挑选无腐烂变质8-9成熟哈密瓜,将哈密瓜去皮,对半切开,去籽后沿着哈密瓜的形状将哈密瓜切成边长0.5-1厘米菱形或方形,接着哈密瓜放入含有2%质量分数的食盐溶液高压下浸泡10-20分钟,捞出沥干后置于绿茶浓缩液中高压浸泡1-2小时后,再次捞出沥干后置于罗汉果浓缩液中高压浸泡1-2小时后,捞出晾干,在零下30℃冷冻1小时;
2)、将经过步骤1)的哈密瓜,铺成一层,置于温度为65-75℃循环热风中烘烤1-2小时后,再将循环热风温度调节为75-85℃中烘烤2-4小时,喷上所述罗汉果浓缩液10ml/kg哈密瓜,再喷洒上绿茶粉50g/kg哈密瓜,置于温度为45-55℃循环热风中烘烤1-2小时,即得所述低糖绿茶味哈密瓜果脯。
2.根据权利要求1所述的低糖绿茶味哈密瓜果脯的加工方法,其特征在于,步骤1)中高压为0.7-0.9Mpa。
3.根据权利要求1所述的低糖绿茶味哈密瓜果脯的加工方法,其特征在于,步骤1)浸泡的温度为45℃。
4.根据权利要求4所述的低糖绿茶味哈密瓜果脯的加工方法,其特征在于,步骤2)中所述绿茶粉为粒径10微米以下粉末。
5.根据权利要求1或4所述的低糖绿茶味哈密瓜果脯的加工方法,其特征在于,步骤2)中置于温度为45-55℃循环热风中烘烤1-2小时后还包括将哈密瓜干冷却后置于零下30℃冷冻1小时后,回温至25℃,采用微波灭菌1-3分钟,微波的温度为70-90℃。
6.根据权利要求1所述的低糖绿茶味哈密瓜果脯的加工方法,其特征在于,所述绿茶浓缩液由以下方法制成:将绿茶叶干燥制成茶粉,将茶粉与水按重量比1∶2混合后,超声波提取1小时后,离心提取过滤提取上清液,再减压蒸发浓缩至上清液体积的1/4,得到所述绿茶浓缩液。
7.根据权利要求1所述的低糖绿茶味哈密瓜果脯的加工方法,其特征在于,所述罗汉果浓缩液由以下方法制成:将成熟罗汉果与甘草按重量比10∶1干燥制成粉末,按重量比1-5∶2-12加入水,温度为75-85℃煎煮1-2小时,过滤得到滤液,将滤液减压蒸发浓缩至原来体积的1/4,得到所述罗汉果浓缩液。
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