CN107198176A - 一种石榴果粉的制备方法 - Google Patents
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- 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
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- A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
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Abstract
本发明公开了一种石榴果粉的制备方法,包括如下步骤:取石榴去皮,用水清洗,然后加入预处理桑葚混匀,打浆,磨浆,过滤取果浆液;向果浆液中加入抗氧剂和中药提取物混匀,调节果浆液pH=3.8‑4.0,杀菌,加入助干剂和调味剂匀质,干燥得到石榴果粉。本发明维生素C和营养成分含量高,口感好,乳化性能好,粉末疏松。
Description
技术领域
本发明涉及果粉制备技术领域,尤其涉及一种石榴果粉的制备方法。
背景技术
石榴性味甘、酸涩、温,具有杀虫、收敛、涩肠、止痢等功效。石榴果实营养丰富,维生素C含量比苹果、梨要高出一二倍。由于水果非常容易变软腐烂,造成浪费和环境污染,因此人们通常对水果进行加工,改善其耐贮性。
果粉是水果加工的产品之一,其食用方便、食用期长,但是在制备石榴果粉时,往往需经过多重步骤,从而使得石榴的养分流失严重,在制成石榴果粉后,其含量所剩无几,从而降低石榴果粉的营养成分和口感。
发明内容
基于背景技术存在的技术问题,本发明提出了一种石榴果粉的制备方法,本发明维生素C和营养成分含量高,口感好,乳化性能好,粉末疏松。
本发明提出了一种石榴果粉的制备方法,包括如下步骤:取石榴去皮,用水清洗,然后加入预处理桑葚混匀,打浆,磨浆,过滤取果浆液;向果浆液中加入抗氧剂和中药提取物混匀,调节果浆液pH=3.8-4.0,杀菌,加入助干剂和调味剂匀质,干燥得到石榴果粉。
优选地,预处理桑葚的具体操作为:将桑葚用稀盐酸清洗后,用水清洗至中性得到预处理桑葚。
优选地,用30-50目筛过滤。
优选地,用柠檬酸钠调节果浆液pH=3.8-4.0。
优选地,杀菌的具体操作为:升温至100-105℃,保温3-5min。
优选地,干燥为喷雾干燥,其中,进风口温度为160-170℃,出风口温度为45-50℃,进料量为13-15ml/min。
优选地,石榴和预处理桑葚的重量比100:6-8。
优选地,果浆液、抗氧剂、中药提取物的重量比为100:0.8-1:2-3。
优选地,抗氧化剂为维生素E、茶多酚和乙二胺四醋酸二钠。
优选地,维生素E、茶多酚、乙二胺四醋酸二钠的重量比为2:2-3:0.5-0.7。
优选地,中药提取物为枸杞子和黄芪的水提取物,其中,枸杞子和黄芪的重量比为3-4:2-3。
优选地,果浆液、助干剂、调味剂的重量比为100:20-25:15-20。
优选地,助干剂为麦芽糊精和海藻糖,其中,麦芽糊精和海藻糖的重量比为13-17:7-8。
优选地,调味剂为木糖醇和白砂糖,其中,木糖醇和白砂糖重量比为2-4:1.5-2.5。
上述石榴果粉的制备方法中,不规定稀盐酸和水的用量,根据具体操作确定其用量。
上述稀盐酸、乙二胺四醋酸二钠为食品级,水均为饮用水。
本发明选用桑葚和石榴一起制备果粉,桑葚中含有丰富的抗氧化物质和维生素C,可以增加石榴果粉中维生素C的含量,并能抑制维生素C的氧化,避免营养成分的流失,使得在制备果浆液的过程中,保持维生素C和营养成分的含量;向果浆液中加入抗氧剂和中药提取物,并调节果浆液的pH,通过抗氧剂和中药提取物相互配合,并结合适宜的pH,大大抑制维生素C的氧化,避免营养成分的流失;选用维生素E、茶多酚和乙二胺四醋酸二钠作为抗氧剂,枸杞子和黄芪的水提取物作为中药提取物,相互配合可以进一步增加抗氧化作用;选用合适的杀菌温度和杀菌时间,在杀菌的同时,避免营养成分和维生素C受到高温分解;再通过加入麦芽糊精和海藻糖保持果粉的颜色、香味,增加果粉的乳化效果,使得果粉细腻且速溶,并配合适宜的干燥条件,快速喷雾干燥,缩短果浆液的受热时间,避免营养成分和维生素C的流失,并配以木糖醇和白砂糖改善口感;本发明通过在各步操作中添加合适物料,抑制营养成分和维生素C的流失,并选用合适工艺参数,降低对营养成分和维生素C的影响,并添加适宜物质改善果粉的颜色、口感和乳化性能,从而在保持石榴果粉口感、外观和乳化性能的同时,大大增加了果粉的维生素C和营养成分的含量,使其兼具营养和口感。
具体实施方式
下面,通过具体实施例对本发明的技术方案进行详细说明。
实施例1
一种石榴果粉的制备方法,包括如下步骤:取石榴去皮,用水清洗,然后加入预处理桑葚混匀,打浆,磨浆,过滤取果浆液;向果浆液中加入抗氧剂和中药提取物混匀,调节果浆液pH=3.9,杀菌,加入助干剂和调味剂匀质,干燥得到石榴果粉。
实施例2
一种石榴果粉的制备方法,包括如下步骤:将桑葚用稀盐酸清洗后,用水清洗至中性得到预处理桑葚;取石榴去皮,用水清洗,然后加入预处理桑葚混匀,打浆,磨浆,用30目筛过滤取果浆液;向果浆液中加入抗氧剂和中药提取物混匀,用柠檬酸钠调节果浆液pH=4.0,升温至100℃,保温5min,加入助干剂和调味剂匀质,调节进风口温度为160℃,出风口温度为50℃,进料量为13ml/min,喷雾干燥得到石榴果粉,其中,石榴和预处理桑葚的重量比25:2,果浆液、抗氧剂、中药提取物的重量比为100:0.8:3,抗氧化剂为维生素E、茶多酚和乙二胺四醋酸二钠,维生素E、茶多酚、乙二胺四醋酸二钠的重量比为2:2:0.7,中药提取物为枸杞子和黄芪的水提取物,其中,枸杞子和黄芪的重量比为1:1,果浆液、助干剂、调味剂的重量比为5:1:1,助干剂为麦芽糊精和海藻糖,其中,麦芽糊精和海藻糖的重量比为13:8,调味剂为木糖醇和白砂糖,其中,木糖醇和白砂糖重量比为2:2.5。
实施例3
一种石榴果粉的制备方法,包括如下步骤:将桑葚用稀盐酸清洗后,用水清洗至中性得到预处理桑葚;取石榴去皮,用水清洗,然后加入预处理桑葚混匀,打浆,磨浆,用50目筛过滤取果浆液;向果浆液中加入抗氧剂和中药提取物混匀,用柠檬酸钠调节果浆液pH=3.8,升温至105℃,保温3min,加入助干剂和调味剂匀质,调节进风口温度为170℃,出风口温度为45℃,进料量为15ml/min,喷雾干燥得到石榴果粉,其中,石榴和预处理桑葚的重量比50:3,果浆液、抗氧剂、中药提取物的重量比为100:1:2,抗氧化剂为维生素E、茶多酚和乙二胺四醋酸二钠,维生素E、茶多酚、乙二胺四醋酸二钠的重量比为2:3:0.5,中药提取物为枸杞子和黄芪的水提取物,其中,枸杞子和黄芪的重量比为2:1,果浆液、助干剂、调味剂的重量比为20:5:3,助干剂为麦芽糊精和海藻糖,其中,麦芽糊精和海藻糖的重量比为17:7,调味剂为木糖醇和白砂糖,其中,木糖醇和白砂糖重量比为4:1.5。
实施例4
一种石榴果粉的制备方法,包括如下步骤:将桑葚用稀盐酸清洗后,用水清洗至中性得到预处理桑葚;取石榴去皮,用水清洗,然后加入预处理桑葚混匀,打浆,磨浆,用30目筛过滤取果浆液;向果浆液中加入抗氧剂和中药提取物混匀,用柠檬酸钠调节果浆液pH=3.95,升温至101℃,保温4.5min,加入助干剂和调味剂匀质,调节进风口温度为162℃,出风口温度为48℃,进料量为13.5ml/min,喷雾干燥得到石榴果粉,其中,石榴和预处理桑葚的重量比100:7.5,果浆液、抗氧剂、中药提取物的重量比为100:0.85:2.7,抗氧化剂为维生素E、茶多酚和乙二胺四醋酸二钠,维生素E、茶多酚、乙二胺四醋酸二钠的重量比为2:2.2:0.65,中药提取物为枸杞子和黄芪的水提取物,其中,枸杞子和黄芪的重量比为3.2:2.7,果浆液、助干剂、调味剂的重量比为100:21:18,助干剂为麦芽糊精和海藻糖,其中,麦芽糊精和海藻糖的重量比为14:7.8,调味剂为木糖醇和白砂糖,其中,木糖醇和白砂糖重量比为2.5:2.3。
实施例5
一种石榴果粉的制备方法,包括如下步骤:将桑葚用稀盐酸清洗后,用水清洗至中性得到预处理桑葚;取石榴去皮,用水清洗,然后加入预处理桑葚混匀,打浆,磨浆,用40目筛过滤取果浆液;向果浆液中加入抗氧剂和中药提取物混匀,用柠檬酸钠调节果浆液pH=3.85,升温至103℃,保温3.5min,加入助干剂和调味剂匀质,调节进风口温度为168℃,出风口温度为46℃,进料量为14.5ml/min,喷雾干燥得到石榴果粉,其中,石榴和预处理桑葚的重量比100:6.5,果浆液、抗氧剂、中药提取物的重量比为100:0.95:2.3,抗氧化剂为维生素E、茶多酚和乙二胺四醋酸二钠,维生素E、茶多酚、乙二胺四醋酸二钠的重量比为2:2.8:0.55,中药提取物为枸杞子和黄芪的水提取物,其中,枸杞子和黄芪的重量比为3.8:2.3,果浆液、助干剂、调味剂的重量比为100:23:16,助干剂为麦芽糊精和海藻糖,其中,麦芽糊精和海藻糖的重量比为16:7.2,调味剂为木糖醇和白砂糖,其中,木糖醇和白砂糖重量比为3.5:1.7。
试验例1
对实施例1-5制备得到的石榴果粉进行检测,并以市售石榴果粉为对照组进行比较,结果如下:
由上表可以看出本发明制备得到的石榴果粉,维生素C含量高,营养成分高,水分含量低,颜色好,口感好,水溶性好。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (10)
1.一种石榴果粉的制备方法,其特征在于,包括如下步骤:取石榴去皮,用水清洗,然后加入预处理桑葚混匀,打浆,磨浆,过滤取果浆液;向果浆液中加入抗氧剂和中药提取物混匀,调节果浆液pH=3.8-4.0,杀菌,加入助干剂和调味剂匀质,干燥得到石榴果粉。
2.根据权利要求1所述石榴果粉的制备方法,其特征在于,预处理桑葚的具体操作为:将桑葚用稀盐酸清洗后,用水清洗至中性得到预处理桑葚。
3.根据权利要求1或2所述石榴果粉的制备方法,其特征在于,用30-50目筛过滤。
4.根据权利要求1-3任一项所述石榴果粉的制备方法,其特征在于,用柠檬酸钠调节果浆液pH=3.8-4.0。
5.根据权利要求1-4任一项所述石榴果粉的制备方法,其特征在于,杀菌的具体操作为:升温至100-105℃,保温3-5min。
6.根据权利要求1-5任一项所述石榴果粉的制备方法,其特征在于,干燥为喷雾干燥,其中,进风口温度为160-170℃,出风口温度为45-50℃,进料量为13-15ml/min。
7.根据权利要求1-6任一项所述石榴果粉的制备方法,其特征在于,石榴和预处理桑葚的重量比100:6-8。
8.根据权利要求1-7任一项所述石榴果粉的制备方法,其特征在于,果浆液、抗氧剂、中药提取物的重量比为100:0.8-1:2-3;优选地,抗氧化剂为维生素E、茶多酚和乙二胺四醋酸二钠;优选地,维生素E、茶多酚、乙二胺四醋酸二钠的重量比为2:2-3:0.5-0.7;优选地,中药提取物为枸杞子和黄芪的水提取物,其中,枸杞子和黄芪的重量比为3-4:2-3。
9.根据权利要求1-8任一项所述石榴果粉的制备方法,其特征在于,果浆液、助干剂、调味剂的重量比为100:20-25:15-20。
10.根据权利要求1-9任一项所述石榴果粉的制备方法,其特征在于,助干剂为麦芽糊精和海藻糖,其中,麦芽糊精和海藻糖的重量比为13-17:7-8;优选地,调味剂为木糖醇和白砂糖,其中,木糖醇和白砂糖重量比为2-4:1.5-2.5。
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