CN106360203A - 一种酸香紫薯浓缩汁 - Google Patents
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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
- A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
- A23L2/02—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation containing fruit or vegetable juices
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- A23L2/10—Concentrating or drying of juices by heating or contact with dry gases
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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- A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
- A23L2/52—Adding ingredients
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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Abstract
本发明公开了一种酸香紫薯浓缩汁,由以下原料制成:紫薯、桃仁、覆盆子、仙人掌果、杈杷果、羊奶果、枸杞子、酒萸肉、茯苓、白术、白芍、低聚乳果糖、乳酸菌、复合酶。本发明提供的酸香紫薯浓缩汁,营养丰富,香味浓郁,酸甜适口,细腻爽滑,浓度适宜;紫薯经灭菌熟化后与水果及中药混合打浆酶解,经乳酸菌发酵,增加营养和香味成分,协调胃肠功能,促进吸收利用,酸度适中,酸香可口,改变紫薯汁的传统香甜口感,满足消费者的营养、保健及口感需求;加入多种水果和中药,丰富紫薯浓缩汁的营养和保健功能,能够延缓衰老,美容护肤,减肥瘦身,防治龋齿,保护心脑血管,增强免疫力,抑癌抗癌,任何人群均可放心食用。
Description
技术领域
本发明主要涉及食品加工领域,尤其涉及一种酸香紫薯浓缩汁。
背景技术
紫薯又叫黑薯,薯肉呈紫色至深紫色,营养丰富,除了具有普通红薯的营养成分外,还富含硒元素和花青素,具有多种保健功能,能够抗氧化,抗衰老,促进胃肠功能,减肥瘦身,增强免疫力,防癌抗癌。
随着紫薯种植面积和规模的不断扩大,人们对紫薯的青睐越来越高,因此,市场上紫薯类的产品也就应运而生,紫薯汁就是其中一种。但是目前市场上的紫薯汁都是将生紫薯直接榨汁,再进行后续处理,营养成分流失多,而且加入较多蔗糖,口感较为单一,较多的添加剂也会严重影响消费者的身体健康,为满足消费者的营养和保健需求,本申请提供一种酸香紫薯浓缩汁。
发明内容
为了弥补已有技术的缺陷,本发明的目的是提供一种酸香紫薯浓缩汁。
一种酸香紫薯浓缩汁,由以下重量份的原料制成:紫薯96~98、桃仁22~24、覆盆子8~10、仙人掌果8~10、杈杷果7~9、羊奶果7~9、枸杞子5~7、酒萸肉5~7、茯苓4~6、白术4~6、白芍4~6、低聚乳果糖10~12、乳酸菌3~5、复合酶0.03~0.05。
所述的紫薯,为美国黑薯。
所述的乳酸菌,由以下重量比的菌种组成:双歧杆菌:德式乳杆菌:保加利亚乳杆菌=7~9:6~8:6~8,活菌数为108~109CFU/ml。
所述的复合酶,由以下重量比的酶制剂组成:纤维素酶:半纤维素酶:果胶酶:木聚糖酶=15~17:11~13:8~10:5~7。
一种酸香紫薯浓缩汁的制备方法,具体包括以下步骤:
(1)选择新鲜、完整、无病虫的紫薯,充分洗净,置于121℃,加热灭菌35~40分钟,既能熟化,又能灭菌,促进营养浸出,易于消化吸收,冷却至45~50℃,揭除表皮,得熟化灭菌紫薯;
(2)将桃仁、覆盆子、仙人掌果、杈杷果和羊奶果洗净去杂,丰富营养成分,得干净水果;
(3)将枸杞子、酒萸肉、茯苓、白术和白芍洗净,粉碎至80~100目,得中药粉,加入紫薯重量3~4倍量的水,煮沸后熬煮至体积为原来的1/5,增加保健功能,得中药提取物;
(4)将熟化灭菌紫薯、干净水果和中药提取物混合打浆,过60~80目筛,加入复合酶,搅拌均匀,置于39~41℃酶解200~220分钟,置于85~90℃水浴中灭酶8~10分钟,冷却至40~45℃,加入乳酸菌,混合均匀,置于38~40℃恒温发酵7~9小时,至pH为6.4~6.6,酸香可口,促进吸收,细腻爽滑,过180~200目筛,得发酵紫薯汁;
(5)将发酵紫薯汁置于真空旋转蒸发仪,于46~48℃、52~54转/分钟真空旋转蒸发至固形物含量为72~74%,营养含量高,既能解渴,又能充饥,得酸香紫薯浓缩汁;
(6)包装,得成品。
所述步骤(6)的成品,置于2~4℃贮藏。
本发明的优点是:本发明提供的一种酸香紫薯浓缩汁,营养丰富,香味浓郁,酸甜适口,细腻爽滑,浓度适宜,状态稳定,不分层,增加紫薯的深加工途径,增加经济收入11.4%;紫薯经灭菌熟化后与水果及中药混合打浆酶解,经乳酸菌发酵,低温冷藏,保持乳酸菌活性,增加营养和香味成分,协调胃肠功能,促进吸收利用,酸度适中,紫薯香味浓郁,酸香可口,改变紫薯汁的传统香甜口感,满足消费者的营养、保健及口感需求;加入多种水果和中药,丰富紫薯浓缩汁的营养和保健功能,能够延缓衰老,美容护肤,减肥瘦身,防治龋齿,保护心脑血管,增强免疫力,抑癌抗癌,任何人群均可放心食用;紫薯浓缩汁的固形物含量较高,浓度适宜,不含任何添加剂,不仅解渴,还能充饥,满足现代化的快节奏生活。
具体实施方式
下面用具体实施例说明本发明。
实施例1
一种酸香紫薯浓缩汁,由以下重量份的原料制成:紫薯96、桃仁22、覆盆子8、仙人掌果8、杈杷果7、羊奶果7、枸杞子5、酒萸肉5、茯苓4、白术4、白芍4、低聚乳果糖10、乳酸菌3、复合酶0.03。
所述的紫薯,为美国黑薯。
所述的乳酸菌,由以下重量比的菌种组成:双歧杆菌:德式乳杆菌:保加利亚乳杆菌=7:6:6,活菌数为108~109CFU/ml。
所述的复合酶,由以下重量比的酶制剂组成:纤维素酶:半纤维素酶:果胶酶:木聚糖酶=15:11:8:5。
一种酸香紫薯浓缩汁的制备方法,具体包括以下步骤:
(1)选择新鲜、完整、无病虫的紫薯,充分洗净,置于121℃,加热灭菌35分钟,既能熟化,又能灭菌,促进营养浸出,易于消化吸收,冷却至45~50℃,揭除表皮,得熟化灭菌紫薯;
(2)将桃仁、覆盆子、仙人掌果、杈杷果和羊奶果洗净去杂,丰富营养成分,得干净水果;
(3)将枸杞子、酒萸肉、茯苓、白术和白芍洗净,粉碎至100目,得中药粉,加入紫薯重量4倍量的水,煮沸后熬煮至体积为原来的1/5,增加保健功能,得中药提取物;
(4)将熟化灭菌紫薯、干净水果和中药提取物混合打浆,过80目筛,加入复合酶,搅拌均匀,置于40℃酶解220分钟,置于85℃水浴中灭酶10分钟,冷却至40~45℃,加入乳酸菌,混合均匀,置于40℃恒温发酵9小时,至pH为6.4,酸香可口,促进吸收,细腻爽滑,过180目筛,得发酵紫薯汁;
(5)将发酵紫薯汁置于真空旋转蒸发仪,于48℃、54转/分钟真空旋转蒸发至固形物含量为72%,营养含量高,既能解渴,又能充饥,得酸香紫薯浓缩汁;
(6)包装,得成品。
所述步骤(6)的成品,置于3℃贮藏。
实施例2
一种酸香紫薯浓缩汁,由以下重量份的原料制成:紫薯97、桃仁23、覆盆子9、仙人掌果9、杈杷果8、羊奶果8、枸杞子6、酒萸肉6、茯苓5、白术5、白芍5、低聚乳果糖11、乳酸菌4、复合酶0.04。
所述的紫薯,为美国黑薯。
所述的乳酸菌,由以下重量比的菌种组成:双歧杆菌:德式乳杆菌:保加利亚乳杆菌=8:7:7,活菌数为108~109CFU/ml。
所述的复合酶,由以下重量比的酶制剂组成:纤维素酶:半纤维素酶:果胶酶:木聚糖酶=16:12:9:6。
制备方法,同实施例1。
实施例3
一种酸香紫薯浓缩汁,由以下重量份的原料制成:紫薯98、桃仁24、覆盆子10、仙人掌果10、杈杷果9、羊奶果9、枸杞子7、酒萸肉7、茯苓6、白术6、白芍6、低聚乳果糖12、乳酸菌5、复合酶0.05。
所述的紫薯,为美国黑薯。
所述的乳酸菌,由以下重量比的菌种组成:双歧杆菌:德式乳杆菌:保加利亚乳杆菌=9:8:8,活菌数为108~109CFU/ml。
所述的复合酶,由以下重量比的酶制剂组成:纤维素酶:半纤维素酶:果胶酶:木聚糖酶=17:13:10:7。
制备方法,同实施例1。
对比例
现有方法制备的紫薯汁。
实施例和对比例紫薯汁的指标评定:
分别用实施例和对比例的方法将相同品种的紫薯制备成紫薯汁,对实施例和对比例紫薯汁的口感及营养成分进行检测,实施例和对比例紫薯汁的指标评定见表1。
表1:实施例和对比例紫薯汁的指标评定
项目 | 实施例1 | 对比例 |
口感 | 酸香、细腻、爽滑 | 香甜 |
外观 | 组织均匀,不分层 | 分层,有沉淀 |
有机硒含量/(mg/100g) | 11.31 | 0.67 |
经济效益提高/(%) | 11.4 | 7.2 |
表1的结果表明,实施例酸香紫薯浓缩汁,口感酸香、细腻、爽滑,组织均匀,不分层,营养丰富,经济效益提高11.4%,说明本发明提供的酸香紫薯浓缩汁具有广阔的市场前景。
实施例和对比例紫薯汁改善胃肠功能的效果:
随机选择清洁级昆明种小鼠80只,体质量18~22g,雌雄各半,所有小鼠在造模前禁食12h,自由饮水。将小鼠随机分为4组,每组20只,雌雄各半,分别为实施例组、对比例组、腹泻模型组和对照组,对照组用生理盐水灌胃(5ml/kg,按小鼠体重计),同时其余小鼠均进行腹泻造模,造模成功后,实施例和对比例组分别灌服该组的紫薯汁5ml/kg(按小鼠体重计),腹泻模型组和对照组灌服生理盐水灌胃5ml/kg(按小鼠体重计),连续5d,观察小鼠灌胃后4h内的大便情况,腹泻率:排便的动物数与该组动物总数的百分比。稀便率:每只动物所排的稀便数与总便数之比。稀便级:表示稀便的程度。以稀便污染滤纸形成污迹而积的大小定级,分为4级,1级:污迹直径<1cm;2级:污迹直径1~1.9cm;3级:污迹直径2~3cm;4级:污迹直径>3cm。统计时先逐个统计每1堆稀便的级数,然后将该鼠所有稀便级数相加除以稀便次数得稀便的平均级数,简称稀便级。实施例和对比例紫薯汁改善胃肠功能的效果见表2。
表2:实施例和对比例紫薯汁改善胃肠功能的效果
项目 | 实施例1 | 对比例 | 腹泻模型组 | 对照组 |
排便次数(次) | 11.2±2.11 | 14.3±2.22 | 17.4±2.22 | 8.9±2.31 |
腹泻率(%) | 33 | 54 | 100 | — |
稀便率(%) | 0.29 | 0.47 | 0.80 | — |
稀便级(cm) | 2.08±0.21 | 2.17±0.23 | 2.54±0.34 | — |
注:“—”表示无。
从表2的结果可以看出,实施例的酸香紫薯浓缩汁灌胃小鼠后,其排便次数、腹泻率、稀便率和稀便级均明显小于对比例和腹泻模型组,说明本发明提供的酸香紫薯浓缩汁能够明显改善胃肠功能。
Claims (6)
1.一种酸香紫薯浓缩汁,其特征在于,由以下重量份的原料制成:紫薯96~98、桃仁22~24、覆盆子8~10、仙人掌果8~10、杈杷果7~9、羊奶果7~9、枸杞子5~7、酒萸肉5~7、茯苓4~6、白术4~6、白芍4~6、低聚乳果糖10~12、乳酸菌3~5、复合酶0.03~0.05。
2.根据权利要求1所述酸香紫薯浓缩汁,其特征在于,所述的紫薯,为美国黑薯。
3.根据权利要求1所述酸香紫薯浓缩汁,其特征在于,所述的乳酸菌,由以下重量比的菌种组成:双歧杆菌:德式乳杆菌:保加利亚乳杆菌=7~9:6~8:6~8,活菌数为108~109CFU/ml。
4.根据权利要求1所述酸香紫薯浓缩汁,其特征在于,所述的复合酶,由以下重量比的酶制剂组成:纤维素酶:半纤维素酶:果胶酶:木聚糖酶=15~17:11~13:8~10:5~7。
5.根据权利要求1所述酸香紫薯浓缩汁的制备方法,其特征在于,具体包括以下步骤:
(1)选择新鲜、完整、无病虫的紫薯,充分洗净,置于121℃,加热灭菌35~40分钟,冷却至45~50℃,揭除表皮,得熟化灭菌紫薯;
(2)将桃仁、覆盆子、仙人掌果、杈杷果和羊奶果洗净去杂,得干净水果;
(3)将枸杞子、酒萸肉、茯苓、白术和白芍洗净,粉碎至80~100目,得中药粉,加入紫薯重量3~4倍量的水,煮沸后熬煮至体积为原来的1/5,得中药提取物;
(4)将熟化灭菌紫薯、干净水果和中药提取物混合打浆,过60~80目筛,加入复合酶,搅拌均匀,置于39~41℃酶解200~220分钟,置于85~90℃水浴中灭酶8~10分钟,冷却至40~45℃,加入乳酸菌,混合均匀,置于38~40℃恒温发酵7~9小时,至pH为6.4~6.6,过180~200目筛,得发酵紫薯汁;
(5)将发酵紫薯汁置于真空旋转蒸发仪,于46~48℃、52~54转/分钟真空旋转蒸发至固形物含量为72~74%,得酸香紫薯浓缩汁;
(6)包装,得成品。
6.根据权利要求5所述酸香紫薯浓缩汁的制备方法,其特征在于,所述步骤(6)的成品,置于2~4℃贮藏。
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