CN108669491A - 一种菠萝全果粉及其制备方法 - Google Patents
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L19/00—Products from fruits or vegetables; Preparation or treatment thereof
- A23L19/01—Instant products; Powders; Flakes; Granules
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
- A23L29/06—Enzymes
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/36—Freezing; Subsequent thawing; Cooling
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/40—Colouring or decolouring of foods
- A23L5/41—Retaining or modifying natural colour by use of additives, e.g. optical brighteners
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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- Polymers & Plastics (AREA)
- Microbiology (AREA)
- Preparation Of Fruits And Vegetables (AREA)
Abstract
本发明公开了一种菠萝全果粉及其制备方法。本发明是将菠萝经过以下步骤制得:(1)低温预处理,(2)切块,(3)护色,(4)打浆,(5)酶解、过滤,(6)胶体磨处理,(7)干燥、粉碎、包装。本发明所制备的菠萝全果粉,粉体细腻,保留了菠萝原有的香味、色泽和营养成分,冲调性较好,富含多种活性成分和膳食纤维,具有非常良好的市场前景。
Description
技术领域
本发明涉及一种果粉及其制备方法,具体是一种菠萝全果粉及其制备方法,属于食品加工技术领域。
背景技术
果蔬粉是以新鲜果蔬为原料制备得到,可用于调味、冲调果汁,制作蛋糕和面包、冰淇淋、果冻布丁、馅料、儿童营养辅食等,是一种较为常见的食品。市售的水果粉有单一原料的水果粉,也有复合原料的水果粉,通常是将水果果肉打浆后经过冷冻干燥制备。
菠萝又名凤梨、黄梨、番梨、露兜子,呈长圆锥形或圆筒形,是凤梨科多年生常绿草本植物,每株只在中心结一个果实。菠萝营养价值丰富,果肉中除含有还原糖、蔗糖、葡萄糖、蛋白质、脂肪、粗纤维和有机酸外,还含有人体必需的维生素A、B、C、胡萝卜素、硫胺素、尼克酸等维生素,尤其以维生素C含量最高,以及易为人体吸收的钙、铁、镁、钾、钠、磷等微量元素。菠萝中的菠萝酶,有帮助消化蛋白质、治支气管炎、利尿等功效,并对预防血管硬化及冠状动脉性心脏病有一定的作用。菠萝中所含的蛋白质分解酵素可以分解食物中的蛋白质,还能增加肠胃蠕动,帮助消化。菠萝味甘、微酸、性平,入胃、肾经。具有清热解烦、健脾解渴、消肿祛湿、健胃消食、利尿止泻、醒酒益气的功效。可用于营养不良、消化不良、肠炎腹泻、伤暑、身热烦渴、食欲不振、低血压、小便不利、头昏眼花等症,也可用于高血压眩晕、手足软弱无力的辅助治疗。
菠萝在食用时,由于其含有容易引起过敏反应的物质,因此,需要经过恰当的处理后食用为佳。将菠萝全果加工成果粉,既方便食用,还可最大限度保留其营养价值和功效。
发明内容
本发明的目的是提供一种菠萝全果粉及其制备方法。
本发明的技术方案如下:一种菠萝全果粉的制备方法,具体包括如下步骤 :
(1)低温预处理:挑选新鲜、成熟的菠萝,去皮,取果肉,置于冰水混合物中浸泡预处理15-20min;
(2)切块:将预处理后的菠萝果肉切块成大小1-5cm的菠萝块;
(3)护色:在pH=3~5的柠檬酸-柠檬酸钠缓冲液中,添加护色剂,混合均匀,得护色液,将菠萝块浸泡于护色液中;所述护色剂为维生素C溶液、氯化钙水溶液中的一种或两种;所述护色剂的质量浓度为1-5‰;
(4)打浆:将浸泡后的菠萝块自护色液中过滤出来,加入0.8-1倍质量的清水,打浆,经柠檬酸、小苏打调节溶液pH至3-6,得菠萝果浆;打浆过程中可添加无菌水增加其流动性;
(5)酶解、过滤:在菠萝果浆中先添加多聚半乳糖醛酸(内切)酶处理1h,再添加纤维素酶处理1-2h;将酶处理后的菠萝果浆以直径0.178mm的筛网过滤,得菠萝浆液;
(6)胶体磨处理:将菠萝浆液在30Hz下用胶体磨处理5-15min;经过胶体磨高速剪切,可使菠萝浆液的颗粒度降低,并达到稳定乳化状态;
(7)干燥、粉碎、包装:将胶体磨处理后的菠萝浆液干燥后,粉碎成粉末,经真空包装,即可制得菠萝全果粉。
优选的,所述步骤(2)浸泡时,菠萝块与护色液的料液比为1:1-1.5,浸泡时间2-6小时。
优选的,所述步骤(5)酶处理时,多聚半乳糖醛酸(内切)酶的添加量为0.01%,酶解pH为3.5-4,纤维素酶的添加量为0.01%,酶解pH为3.5-4。
优选的,所述步骤(7)菠萝浆液干燥的方式为冷冻干燥或者连续化真空低温干燥。
优选的,所述冷冻干燥条件为:在-40~-80℃条件下,经过真空冷冻升华干燥;冷冻干燥时,料液装盘厚度不高于1cm,冷冻干燥时间48小时以上。
优选的,所述连续化真空低温干燥条件为:烘箱温度不高于60℃、水箱温度50-70℃。
进一步的,该方法还包括将步骤(6)胶体磨处理后的菠萝浆料在30Hz条件下,处理5-15min。
更进一步的,将经过均质机乳化2-5次的菠萝浆料采用喷雾干燥的方式进行干燥,获得喷雾干燥粉,经真空包装,即可制得菠萝全果粉;所述喷雾干燥工艺参数为:进风温度40-80℃,出风温度30-60℃,进料速度5-25mL/min。
所述粉碎在经过液氮预冻的干燥器中进行。
本发明所述清水为无菌水或纯净水。
本发明相对于现有技术的有益效果如下:
(1)通过冷处理,延缓了后续果加工过程中色泽的变化,同时延缓了微生物的繁殖,增加了加工时间;
(2)加入护色剂,可以有效缓解果汁加工过程中的色泽变化,保证产品的品质,但护色剂的使用有一定的pH缓冲范围,否则果汁护色过程中也会发生褐变情况;
(3)酶处理,多聚半乳糖醛酸(内切)酶,对水果中的果胶、果胶酸等半乳糖醛酸结构的胶体类物质进行酶解,降低果品的粘度;加入纤维素酶,在一定程度上降低水果中纤维的分子长度,也可以降低果品的粘度,提高果汁的流动性;使用过程中注意两种酶的最适pH范围,并以少量添加调节剂和减少工序为原则;
(4)本方法制备的果粉实现了果粉制备的自动化,提高了果粉的色泽,品质提高。
具体实施方式
下面通过实施例对本发明做进一步详细说明,这些实施例仅用来说明本发明,并不限制本发明的范围。
实施例1采用以下步骤实现本发明:
(1)低温预处理:挑选成熟度适中的新鲜菠萝,剔除外表霉烂、变质的部分,并且要求菠萝芯部位没有烂心或褐变,使用去皮工具,去除菠萝果皮,尽量去除果实外表空洞深处的毛刺,确保果皮彻底被清除,不含有杂质;取果肉,置于冰水混合物中浸泡预处理20min;
(2)切块:将预处理后的菠萝果肉切块成大小1-5cm的菠萝块;
(3)护色:在pH=4的柠檬酸-柠檬酸钠缓冲液中,添加护色剂,混合均匀,得护色液,将菠萝块浸泡于护色液中;所述护色剂为维生素C溶液、氯化钙水溶液,护色剂的质量浓度为5‰;按菠萝块与护色液的料液比为1:1.5浸泡时间5小时;
(4)打浆:将浸泡后的菠萝块自护色液中过滤出来,加入0.8倍质量的清水,打浆,经柠檬酸调节溶液pH至3.5,得菠萝果浆;
(5)酶解、过滤:在菠萝果浆中先添加多聚半乳糖醛酸(内切)酶处理1h,再添加纤维素酶处理1-2h;将酶处理后的菠萝果浆以直径0.178mm的筛网过滤,得菠萝浆液;多聚半乳糖醛酸(内切)酶的添加量为0.01%,酶解pH为3.5,纤维素酶的添加量为0.01%,酶解pH为3.5;
(6)胶体磨处理:将菠萝浆液在30Hz下用胶体磨处理10min;
(7)干燥、粉碎、包装:将胶体磨处理后的菠萝浆液在-40~-80℃条件下,冷冻干燥72小时,;冷冻干燥时,料液装盘厚度不高于1cm,然后在干燥机中粉碎成粉末,经真空包装,制得菠萝全果粉。
实施例2采用以下步骤实现本发明:
(1)低温预处理:挑选成熟度适中的新鲜菠萝,剔除外表霉烂、变质的部分,并且要求菠萝芯部位没有烂心或褐变,使用去皮工具,去除菠萝果皮,尽量去除果实外表空洞深处的毛刺,确保果皮彻底被清除,不含有杂质;取果肉,置于冰水混合物中浸泡预处理15min;
(2)切块:将预处理后的菠萝果肉切块成大小1-5cm的菠萝块;
(3)护色:在pH=4的柠檬酸-柠檬酸钠缓冲液中,添加护色剂:质量浓度为1‰维生素C溶液,混合均匀,得护色液,将菠萝块浸泡于护色液中;按菠萝块与护色液的料液比为1:1.2浸泡时间2小时;
(4)打浆:将浸泡后的菠萝块自护色液中过滤出来,加入0.8倍质量的清水,打浆,经柠檬酸调节溶液pH至4,得菠萝果浆;
(5)酶解、过滤:在菠萝果浆中先添加多聚半乳糖醛酸(内切)酶处理1h,再添加纤维素酶处理1-2h;将酶处理后的菠萝果浆以直径0.178mm的筛网过滤,得菠萝浆液;多聚半乳糖醛酸(内切)酶的添加量为0.01%,酶解pH为4,纤维素酶的添加量为0.01%,酶解pH为4;
(6)胶体磨处理:将菠萝浆液在30Hz下用胶体磨处理8min;
(7)干燥、粉碎、包装:将胶体磨处理后的菠萝浆液经连续化真空低温干燥后,粉碎成粉末,经真空包装,制得菠萝全果粉;所述连续化真空低温干燥条件为:烘箱温度不高于60℃、水箱温度50-70℃。
实施例3采用以下步骤实现本发明:
(1)低温预处理:挑选成熟度适中的新鲜菠萝,剔除外表霉烂、变质的部分,并且要求菠萝芯部位没有烂心或褐变,使用去皮工具,去除菠萝果皮,尽量去除果实外表空洞深处的毛刺,确保果皮彻底被清除,不含有杂质;取果肉,置于冰水混合物中浸泡预处理20min;
(2)切块:将预处理后的菠萝果肉切块成大小1-5cm的菠萝块;
(3)护色:在pH=4的柠檬酸-柠檬酸钠缓冲液中,添加护色剂,混合均匀,得护色液,将菠萝块浸泡于护色液中;所述护色剂为氯化钙水溶液,护色剂的质量浓度为2.5‰;按菠萝块与护色液的料液比为1:1浸泡时间6小时;
(4)打浆:将浸泡后的菠萝块自护色液中过滤出来,加入1倍质量的清水,打浆,经柠檬酸调节溶液pH至3-6,得菠萝果浆;
(5)酶解、过滤:在菠萝果浆中先添加多聚半乳糖醛酸(内切)酶处理1h,再添加纤维素酶处理1-2h;将酶处理后的菠萝果浆以直径0.178mm的筛网过滤,得菠萝浆液;多聚半乳糖醛酸(内切)酶的添加量为0.01%,酶解pH为4,纤维素酶的添加量为0.01%,酶解pH为4;
(6)胶体磨处理:将菠萝浆液在30Hz下用胶体磨处理15min;
(7)均质:将胶体磨处理后的菠萝浆料在100MP条件下,经过均质机乳化2-5次;
(8)干燥、粉碎、包装:将经过均质机乳化的菠萝浆料采用喷雾干燥的方式进行干燥,获得喷雾干燥粉,经真空包装,即可制得菠萝全果粉;所述喷雾干燥工艺参数为:进风温度40-80℃,出风温度30-60℃,进料速度5-25mL/min。
Claims (9)
1.一种菠萝全果粉的制备方法,其特征在于,包括如下步骤:
(1)低温预处理:挑选新鲜、成熟的菠萝,去皮,取果肉,置于冰水混合物中浸泡预处理15-20min;
(2)切块:将预处理后的菠萝果肉切块成大小1-5cm的菠萝块;
(3)护色:在pH=3~5的柠檬酸-柠檬酸钠缓冲液中,添加护色剂,混合均匀,得护色液,将菠萝块浸泡于护色液中;所述护色剂为维生素C溶液、氯化钙水溶液中的一种或两种;所述护色剂的质量浓度为1-5‰;
(4)打浆:将浸泡后的菠萝块自护色液中过滤出来,加入0.8-1倍质量的清水,打浆,经柠檬酸、小苏打调节溶液pH= 3-6,得菠萝果浆;
(5)酶解、过滤:在菠萝果浆中先添加多聚半乳糖醛酸(内切)酶处理1h,再添加纤维素酶处理1-2h;将酶处理后的菠萝果浆以直径0.178mm的筛网过滤,得菠萝浆液;
(6)胶体磨处理:将菠萝浆液在30Hz下用胶体磨处理5-15min;
(7)干燥、粉碎、包装:将胶体磨处理后的菠萝浆液干燥后,粉碎成粉末,经真空包装,即可制得菠萝全果粉。
2.根据权利要求1所述的制备方法,其特征在于:所述步骤(2)浸泡时,菠萝块与护色液的料液比为1:1-1.5,浸泡时间2-6小时。
3.根据权利要求1所述的制备方法,其特征在于:所述步骤(5)酶处理时,多聚半乳糖醛酸(内切)酶的添加量为0.01%,酶解pH为3.5-4,纤维素酶的添加量为0.01%,酶解pH为3.5-4。
4.根据权利要求1所述的制备方法,其特征在于:所述步骤(7)菠萝浆液干燥的方式为冷冻干燥或者连续化真空低温干燥。
5.根据权利要求1所述的制备方法,其特征在于:所述步骤(7)粉碎在经过液氮预冻的干燥器中进行。
6.根据权利要求1所述的制备方法,其特征在于:还包括将步骤(6)胶体磨处理后的菠萝浆料在100MP条件下,经过均质机乳化2-5次。
7.根据权利要求4所述的制备方法,其特征在于:所述冷冻干燥条件为:在-40~-80℃条件下,经过真空冷冻升华干燥。
8.根据权利要求4所述的制备方法,其特征在于:所述连续化真空低温干燥条件为:烘箱温度不高于60℃、水箱温度50-70℃。
9.根据权利要求6所述的制备方法,其特征在于:将经过均质机乳化2-5次的菠萝浆料采用喷雾干燥的方式进行干燥,获得喷雾干燥粉,经真空包装,即可制得菠萝全果粉;所述喷雾干燥工艺参数为:进风温度40-80℃,出风温度30-60℃,进料速度5-25mL/min。
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