CN107198175A - 一种杨梅复合果粉的制备方法 - Google Patents
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Abstract
本发明公开了一种杨梅复合果粉的制备方法,包括如下步骤:取荔枝果浆液、杨梅果浆液混匀,匀质,灭菌,加入乳酸菌水溶液,升温至29‑30℃,有氧发酵3‑4h,再调节温度至27‑28℃,加入酵母菌水溶液,有氧发酵2‑3h得到中间浆料;向中间浆料中加入中药提取物、助干剂、甜味剂,匀质,冻干得到杨梅复合果粉。本发明制备得到的杨梅复合果粉营养丰富、口感好,并具有良好的降血糖作用。
Description
技术领域
本发明涉及果粉制备技术领域,尤其涉及一种杨梅复合果粉的制备方法。
背景技术
杨梅味道鲜美,并能缓解食欲不振,营养丰富,深受人们的喜爱,但是杨梅采收季节比较集中,且容易腐烂,因此,通常将杨梅制作成果粉,以避免浪费并延长其使用期。但是对于高血糖患者来说,杨梅果粉的含糖量较高,不宜食用。
发明内容
基于背景技术存在的技术问题,本发明提出了一种杨梅复合果粉的制备方法,本发明制备得到的杨梅复合果粉营养丰富、口感好,并具有良好的降血糖作用。
本发明提出了一种杨梅复合果粉的制备方法,包括如下步骤:取荔枝果浆液、杨梅果浆液混匀,匀质,灭菌,加入乳酸菌水溶液,升温至29-30℃,有氧发酵3-4h,再调节温度至27-28℃,加入酵母菌水溶液,有氧发酵2-3h得到中间浆料;向中间浆料中加入中药提取物、助干剂、甜味剂,匀质,冻干得到杨梅复合果粉。
优选地,乳酸菌水溶液的浓度为2×107-3×107cfu/ml,酵母菌水溶液的浓度为3×106-5×106cfu/ml。
优选地,荔枝果浆液、杨梅果浆液、乳酸菌水溶液、酵母菌水溶液的重量比为15-25:100:1.5-2.5:2-3。
优选地,在荔枝果浆液的制备过程中,将荔枝去皮、脱核后,用水清洗,打浆,磨浆,过40-60目筛取果浆液得到山楂果浆液。
优选地,在杨梅果浆液的制备过程中,将杨梅用食盐水浸泡30-40min,再用水清洗,去核,打浆,磨浆,过40-60目筛取果浆液得到杨梅果浆液。
优选地,灭菌温度为85-95℃,灭菌时间为20-25min。
优选地,冻干的具体步骤为:调节温度为-40至-50℃,压力为40-50Pa,冻干15-17h。
优选地,中间浆料、中药提取物、助干剂、甜味剂的重量比为100:5-7:25-30:20-25。
优选地,助干剂为燕麦粉,甜味剂为木糖醇。
优选地,中药提取物包括:杨梅叶、黄精、黄连、白蔹。
优选地,杨梅叶、黄精、黄连、白蔹的重量比为10-12:6-8:2-4:5-7。
优选地,在中药提取物的制备过程中,将杨梅叶、黄精、黄连、白蔹粉碎至20-40目筛,混匀得到混合物,加水浸泡30-50min,再煎煮2-3h,过滤取滤液,浓缩,干燥得到中药提取物,其中,混合物和水的重量比为1:25-35。
上述水均为饮用水。
本发明选用杨梅和荔枝一起制备果粉,杨梅和荔枝中含有多种营养元素和降血糖物质,可以提供营养并降低血糖,同时也含有多种糖类物质,影响其降血糖的作用,选用乳酸菌和酵母菌联合发酵并配合合适的发酵工艺,对杨梅和荔枝的果浆液进行发酵,在除去糖类物质的同时,保持降血糖物质和其他营养元素的含量,从而大大增加杨梅和荔枝的降血糖作用并保持营养元素和口感;选用杨梅叶、黄精、黄连、白蔹与杨梅果浆液、荔枝果浆液相互配合,可以进一步增加果粉的降血糖作用;选用燕麦粉作为助干剂并结合适宜的干燥工艺,可以保持复合果粉具有良好性状、颜色的同时,避免果粉中营养元素和降糖物质的转变流失;选用木糖醇作为甜味剂,可以改善果粉的口感,并且不会增高血糖;本发明通过杨梅和荔枝相互配合,结合适宜的发酵工艺,再配以合适的中药,助干剂,甜味剂和适宜的杀菌、干燥条件,使得本发明制备得到的复合果粉具有良好的降血糖作用,且形状、颜色、口感好,营养丰富。
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
一种杨梅复合果粉的制备方法,包括如下步骤:取荔枝果浆液、杨梅果浆液混匀,匀质,灭菌,加入乳酸菌水溶液,升温至29.5℃,有氧发酵3.5h,再调节温度至27.5℃,加入酵母菌水溶液,有氧发酵2.5h得到中间浆料;向中间浆料中加入中药提取物、助干剂、甜味剂,匀质,冻干得到杨梅复合果粉。
实施例2
一种杨梅复合果粉的制备方法,包括如下步骤:将荔枝去皮、脱核后,用水清洗,打浆,磨浆,过40目筛取果浆液得到山楂果浆液;将杨梅用食盐水浸泡40min,再用水清洗,去核,打浆,磨浆,过40目筛取果浆液得到杨梅果浆液;取荔枝果浆液、杨梅果浆液混匀,匀质,升温至95℃,灭菌20min,加入浓度为3×107cfu/ml乳酸菌水溶液,升温至29℃,有氧发酵4h,再调节温度至27℃,加入浓度为5×106cfu/ml酵母菌水溶液,有氧发酵2h得到中间浆料,其中,荔枝果浆液、杨梅果浆液、乳酸菌水溶液、酵母菌水溶液的重量比为25:100:1.5:3;向中间浆料中加入中药提取物、燕麦粉、木糖醇,匀质,调节温度为-40℃,压力为50Pa,冻干15h得到杨梅复合果粉,其中,中间浆料、中药提取物、助干剂、甜味剂的重量比为100:7:25:25;
在中药提取物的制备过程中,将杨梅叶、黄精、黄连、白蔹粉碎至20目筛,混匀得到混合物,加水浸泡50min,再煎煮2h,过滤取滤液,浓缩,干燥得到中药提取物,其中,混合物和水的重量比为1:35,杨梅叶、黄精、黄连、白蔹的重量比为10:8:2:7。
实施例3
一种杨梅复合果粉的制备方法,包括如下步骤:将荔枝去皮、脱核后,用水清洗,打浆,磨浆,过60目筛取果浆液得到山楂果浆液;将杨梅用食盐水浸泡30min,再用水清洗,去核,打浆,磨浆,过60目筛取果浆液得到杨梅果浆液;取荔枝果浆液、杨梅果浆液混匀,匀质,升温至85℃,灭菌25min,加入浓度为2×107cfu/ml乳酸菌水溶液,升温至30℃,有氧发酵3h,再调节温度至28℃,加入浓度为3×106cfu/ml酵母菌水溶液,有氧发酵3h得到中间浆料,其中,荔枝果浆液、杨梅果浆液、乳酸菌水溶液、酵母菌水溶液的重量比为15:100:2.5:2;向中间浆料中加入中药提取物、燕麦粉、木糖醇,匀质,调节温度为-50℃,压力为40Pa,冻干17h得到杨梅复合果粉,其中,中间浆料、中药提取物、助干剂、甜味剂的重量比为100:5:30:20;
在中药提取物的制备过程中,将杨梅叶、黄精、黄连、白蔹粉碎至40目筛,混匀得到混合物,加水浸泡30min,再煎煮3h,过滤取滤液,浓缩,干燥得到中药提取物,其中,混合物和水的重量比为1:25,杨梅叶、黄精、黄连、白蔹的重量比为12:6:4:5。
实施例4
一种杨梅复合果粉的制备方法,包括如下步骤:将荔枝去皮、脱核后,用水清洗,打浆,磨浆,过40目筛取果浆液得到山楂果浆液;将杨梅用食盐水浸泡38min,再用水清洗,去核,打浆,磨浆,过40目筛取果浆液得到杨梅果浆液;取荔枝果浆液、杨梅果浆液混匀,匀质,升温至92℃,灭菌21min,加入浓度为2.7×107cfu/ml乳酸菌水溶液,升温至29.3℃,有氧发酵3.8h,再调节温度至27.3℃,加入浓度为4.5×106cfu/ml酵母菌水溶液,有氧发酵2.2h得到中间浆料,其中,荔枝果浆液、杨梅果浆液、乳酸菌水溶液、酵母菌水溶液的重量比为22:100:1.7:2.8;向中间浆料中加入中药提取物、燕麦粉、木糖醇,匀质,调节温度为-42℃,压力为47Pa,冻干15.5h得到杨梅复合果粉,其中,中间浆料、中药提取物、助干剂、甜味剂的重量比为100:6.5:26:23;
在中药提取物的制备过程中,将杨梅叶、黄精、黄连、白蔹粉碎至20目筛,混匀得到混合物,加水浸泡45min,再煎煮2.3h,过滤取滤液,浓缩,干燥得到中药提取物,其中,混合物和水的重量比为1:32,杨梅叶、黄精、黄连、白蔹的重量比为10.5:7.5:2.5:6.5。
实施例5
一种杨梅复合果粉的制备方法,包括如下步骤:将荔枝去皮、脱核后,用水清洗,打浆,磨浆,过60目筛取果浆液得到山楂果浆液;将杨梅用食盐水浸泡32min,再用水清洗,去核,打浆,磨浆,过60目筛取果浆液得到杨梅果浆液;取荔枝果浆液、杨梅果浆液混匀,匀质,升温至88℃,灭菌23min,加入浓度为2.3×107cfu/ml乳酸菌水溶液,升温至29.7℃,有氧发酵3.2h,再调节温度至27.7℃,加入浓度为3.5×106cfu/ml酵母菌水溶液,有氧发酵2.8h得到中间浆料,其中,荔枝果浆液、杨梅果浆液、乳酸菌水溶液、酵母菌水溶液的重量比为18:100:2.3:2.2;向中间浆料中加入中药提取物、燕麦粉、木糖醇,匀质,调节温度为-48℃,压力为43Pa,冻干16.5h得到杨梅复合果粉,其中,中间浆料、中药提取物、助干剂、甜味剂的重量比为100:5.5:28:21;
在中药提取物的制备过程中,将杨梅叶、黄精、黄连、白蔹粉碎至40目筛,混匀得到混合物,加水浸泡35min,再煎煮2.7h,过滤取滤液,浓缩,干燥得到中药提取物,其中,混合物和水的重量比为1:28,杨梅叶、黄精、黄连、白蔹的重量比为11.5:6.5:3.5:5.5。
试验例1
对实施例5制备得到的中间浆料进行检测,并以未经发酵处理的杨梅和荔枝混合果浆液为对照组进行比较,其中,对照组的杨梅果浆液和荔枝果浆液的制备方法和比值同实施例5,结果如下:
项目 | 实施例5 | 对照组 |
葡萄糖含量mg/g | 0 | 6.44 |
总黄酮mg/g | 3.75 | 3.81 |
总多酚mg/g | 15.31 | 15.38 |
由上表可以看出,本发明制备得到的中间浆料中葡萄糖被全部去除,但营养成分含量无明显变化。
试验例2
选取确诊为糖尿病前期的患者100人,分为2组,每组50人,其中一组空腹食用实施例5制备得到的杨梅复合果粉作为试验组,另一组空腹食用普通市售杨梅果粉作为对照组,2组的食用量相同,检测空腹血糖、2h血糖,结果如下:
项目 | 平均空腹血糖mmol/L | 平均2h血糖mmol/L |
试验组 | 6.66 | 7.81 |
对照组 | 6.67 | 10.97 |
由上表可以看出本发明具有良好的降血糖作用。
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)
1.一种杨梅复合果粉的制备方法,其特征在于,包括如下步骤:取荔枝果浆液、杨梅果浆液混匀,匀质,灭菌,加入乳酸菌水溶液,升温至29-30℃,有氧发酵3-4h,再调节温度至27-28℃,加入酵母菌水溶液,有氧发酵2-3h得到中间浆料;向中间浆料中加入中药提取物、助干剂、甜味剂,匀质,冻干得到杨梅复合果粉。
2.根据权利要求1所述杨梅复合果粉的制备方法,其特征在于,乳酸菌水溶液的浓度为2×107-3×107cfu/ml,酵母菌水溶液的浓度为3×106-5×106cfu/ml。
3.根据权利要求1或2所述杨梅复合果粉的制备方法,其特征在于,荔枝果浆液、杨梅果浆液、乳酸菌水溶液、酵母菌水溶液的重量比为15-25:100:1.5-2.5:2-3。
4.根据权利要求1-3任一项所述杨梅复合果粉的制备方法,其特征在于,在荔枝果浆液的制备过程中,将荔枝去皮、脱核后,用水清洗,打浆,磨浆,过40-60目筛取果浆液得到山楂果浆液。
5.根据权利要求1-4任一项所述杨梅复合果粉的制备方法,其特征在于,在杨梅果浆液的制备过程中,将杨梅用食盐水浸泡30-40min,再用水清洗,去核,打浆,磨浆,过40-60目筛取果浆液得到杨梅果浆液。
6.根据权利要求1-5任一项所述杨梅复合果粉的制备方法,其特征在于,灭菌温度为85-95℃,灭菌时间为20-25min。
7.根据权利要求1-6任一项所述杨梅复合果粉的制备方法,其特征在于,冻干的具体步骤为:调节温度为-40至-50℃,压力为40-50Pa,冻干15-17h。
8.根据权利要求1-7任一项所述杨梅复合果粉的制备方法,其特征在于,中间浆料、中药提取物、助干剂、甜味剂的重量比为100:5-7:25-30:20-25。
9.根据权利要求1-8任一项所述杨梅复合果粉的制备方法,其特征在于,助干剂为燕麦粉,甜味剂为木糖醇;优选地,中药提取物包括:杨梅叶、黄精、黄连、白蔹;优选地,杨梅叶、黄精、黄连、白蔹的重量比为10-12:6-8:2-4:5-7。
10.根据权利要求1-9任一项所述杨梅复合果粉的制备方法,其特征在于,在中药提取物的制备过程中,将杨梅叶、黄精、黄连、白蔹粉碎至20-40目筛,混匀得到混合物,加水浸泡30-50min,再煎煮2-3h,过滤取滤液,浓缩,干燥得到中药提取物,其中,混合物和水的重量比为1:25-35。
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CN102178190B (zh) * | 2011-04-19 | 2013-09-11 | 浙江师范大学 | 杨梅全果粉及其制备方法和系列果粉食品 |
CN105595246A (zh) * | 2016-01-07 | 2016-05-25 | 哈尔滨伟平科技开发有限公司 | 一种草莓果粉的制作方法 |
CN105767963A (zh) * | 2016-03-01 | 2016-07-20 | 河北至高点农业科技有限公司 | 一种树莓发酵干粉及其制备方法 |
CN106617051A (zh) * | 2016-11-21 | 2017-05-10 | 郑州市嘉蓓丽生物科技有限公司 | 一种水果蔬菜酵素冻干粉及其制备方法 |
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CN102178190B (zh) * | 2011-04-19 | 2013-09-11 | 浙江师范大学 | 杨梅全果粉及其制备方法和系列果粉食品 |
CN105595246A (zh) * | 2016-01-07 | 2016-05-25 | 哈尔滨伟平科技开发有限公司 | 一种草莓果粉的制作方法 |
CN105767963A (zh) * | 2016-03-01 | 2016-07-20 | 河北至高点农业科技有限公司 | 一种树莓发酵干粉及其制备方法 |
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