WO2019148989A1 - 一种全谷物杂粮燕麦酥性饼干及其制备方法 - Google Patents
一种全谷物杂粮燕麦酥性饼干及其制备方法 Download PDFInfo
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21D—TREATMENT OF FLOUR OR DOUGH FOR BAKING, e.g. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS
- A21D13/00—Finished or partly finished bakery products
- A21D13/04—Products made from materials other than rye or wheat flour
- A21D13/047—Products made from materials other than rye or wheat flour from cereals other than rye or wheat, e.g. rice
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21D—TREATMENT OF FLOUR OR DOUGH FOR BAKING, e.g. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS
- A21D13/00—Finished or partly finished bakery products
- A21D13/40—Products characterised by the type, form or use
Definitions
- the invention relates to a whole grain multigrain oatmeal biscuit and a preparation method thereof, and belongs to the technical field of food and process.
- Oats have a variety of physiological functions, such as regulating blood sugar and blood lipids, losing weight, delaying aging, changing gastrointestinal function, containing unsaturated fatty acids, soluble fiber, saponin and other substances that can lower cholesterol and triglycerides, and a large amount of Phenolic antioxidants, etc., which make oatmeal have physiological functions such as lowering blood sugar and blood lipids, cholesterol, reducing cardiovascular disease, preventing diabetes, improving immunity, always oxidizing lipids, and delaying aging.
- China is the birthplace of naked oats, and naked oats is one of the best full-price nutritious foods in cereals. Its protein and fat content are among the best in food crops, and its essential amino acid content is basically the same as the daily intake.
- Protein in oats is the most balanced grain of amino acids in all grains; oatmeal is a high-quality fatty acid that contains a lot of essential fatty acids - linoleic acid and more phospholipids.
- the content of calcium, iron, phosphorus and other minerals and vitamin E in oats are higher than other cereals, which is beneficial to supplement the deficiency of mineral elements and vitamins in the diet.
- the water-soluble dietary fiber ⁇ -glucan in oatmeal also has very important physiological functions in preventing stroke, anti-allergic, and weight control.
- the invention mainly provides a whole-grain, multi-grain crispy oatmeal biscuit and a preparation method thereof for the deep processing technology of the miscellaneous food product, oats and the like.
- the method mainly includes the following steps:
- step (1) mixes the oats with water at a mass ratio of 1:2 and soaks for two hours.
- the step (2) is immersed and cooked for 40 minutes or 60 minutes, kept for 10 minutes, and the cold water is dispersed for 4 seconds.
- step (3) is to place the cooled oats in a freezer at -20 ° C for 12 to 24 hours.
- the invention has the beneficial effects of pretreating the oats with a new process and then processing into oatmeal biscuits, which not only enriches the processing technology of the oats, but also greatly improves the taste of the oat biscuits.
- the oats are pre-cooked by steaming, and the moisture in the oat granules is removed by freeze-drying. After baking, the hardness of the oat granules is only 1363.81 g, the brittleness is only 1036.08 g, and the oat granules are evenly dried, and the inside is dry. The structure remains intact and the palate is good, and the overall sensory score of the biscuit is higher.
- TA-XT texture analyzer TPA mode
- the pre-measuring speed is 1 mm/s
- the test speed is 0.5 m/s
- the measured speed is 10 mm/s
- the descending distance is 2 mm.
- a method for making a multigrain (oat) biscuit comprises the following steps:
- Example 3 Effect of different rice to water ratio on texture of biscuit granules
- the bran can be used before cooking the oatmeal, and the oatmeal is milled for several seconds with a rice milling machine, and the peeling rate is about 5%.
- Example 5 On the basis of Example 5, the soaking time in the step (2) was changed. The texture characteristics of the oat granules in the baked biscuits were determined. The data results are shown in Table 4 below. It can be seen from the data in Table 4 that the hardness and brittleness of the oat granules are decreasing and stabilizing with the immersion time. .
- Example 5 On the basis of Example 5, the cooking time in the step (3) was changed. The texture characteristics of the oat granules in the baked biscuits were measured, and the data results are shown in Table 5 below.
- the oatmeal after cooking has a high moisture content. If it is directly added to the biscuit, the moisture in the oat granules is not removed after baking, which affects the taste of the biscuit.
- Baking oats does not achieve the purpose of loose and crispy granules.
- the oats and water were mixed at a mass ratio of 1:2 and soaked for 2 hours, then cooked for 60 minutes, and then dried by freeze drying, vacuum drying, infrared vacuum drying, and the like.
- the infrared vacuum drying technology has a relatively short drying time, but because the oat granules are small, the drying result is not uniform, and shrinkage, emptying, and hardening occur, and the taste of the biscuit is affected;
- Table 6 shows the baking after baking. The hardness and brittleness of the oat granules in the biscuit.
- the drying time of the vacuum drying technology is longer than the infrared vacuum drying time.
- the obtained oat granules are more uneven, the granules are harder, and most of the granules shrink, which also affects the taste of the biscuits;
- Table 7 shows the baked granules.
- the hardness and brittleness of the oat granules in the biscuit In the form of freeze-drying, the oat granules are evenly dried, and the hardness and brittleness of the oat granules in the baked biscuits are greatly reduced.
- the internal structure of the oat granules remains intact and the mouthfeel is good; as shown in Table 8, the pre-freezing temperature
- the structure has no significant effect; as shown in Table 10, the lyophilizer of the LGJ-10E model is lyophilized for 48 hours or longer, and the hardness and brittleness of the pellets after baking are not greatly changed.
- Table 6 shows the relationship between different infrared vacuum drying times and the quality of oat granules
- Table 7 shows the relationship between different vacuum drying times and the quality of oat granules
- Table 8 shows the relationship between different pre-freezing temperatures and the quality of oat granules
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- Food Science & Technology (AREA)
- Bakery Products And Manufacturing Methods Therefor (AREA)
- Cereal-Derived Products (AREA)
Abstract
本发明公开了一种全谷物杂粮燕麦酥性饼干及其制备方法,属于食品及其工艺技术领域。本发明方法包括以下步骤1)适量燕麦清洗、浸泡、蒸煮;2)冷冻干燥;3)准备饼干原料低筋粉、油、鸡蛋、糖粉、红糖、小苏打、泡打粉、盐、冻干燕麦颗粒;4)油、糖粉、红糖、小苏打、泡打粉、盐混合搅打;5)加入鸡蛋搅打;6)加入低筋粉和燕麦颗粒混匀;7)用模具成型;8)焙烤;9)冷却包装。本发明利用冷冻干燥的方式处理蒸煮过的燕麦颗粒,直接添加到饼干中制成表面可见颗粒的杂粮饼干,保持住了燕麦的色香味形。
Description
本发明涉及一种全谷物杂粮燕麦酥性饼干及其制备方法,属于食品及其工艺技术领域。
燕麦具有多种生理功能,如调节血糖和血脂、减肥、延缓衰老、改变胃肠道功能,含有不饱和脂肪酸、可溶性纤维、皂苷素等可降低胆固醇、甘油三酯等含量的物质以及大量的多酚类抗氧化物质等,这些物质使得燕麦具有降低血糖和血脂、胆固醇,减少心血管疾病,预防糖尿病、提高免疫力、一直脂质氧化以及延缓衰老等生理功能。我国是裸燕麦的发源地,而裸燕麦是谷物中最好的全价营养食品之一,其蛋白质及脂肪含量在粮食作物中均名列前茅,其必须氨基酸含量与每日摄取量的标准基本相同,燕麦中蛋白质是所有谷物中氨基酸最平衡的谷物;燕麦脂肪属优质脂肪酸,含有大量人体必需脂肪酸——亚油酸以及较多的磷脂。此外,燕麦中钙、铁、磷等矿物质以及维生素E的含量均高于其他谷物含量,有利于补充膳食中矿质元素和维生素的不足。燕麦中的水溶性膳食纤维β-葡聚糖在预防脑中风、抗皮肤过敏、控制体重等方面也有着非常重要的生理功能。
现在市面上有很多类型的杂粮饼干,大都是以燕麦粉和燕麦片的形式加入到饼干中,而以燕麦粉的形式添加到饼干中,燕麦粉由于麸皮的存在导致燕麦饼干随着燕麦粉含量的增多,饼干的口感越来越粗糙,虽然营养健康,但往往难以被消费者接受;而以燕麦片的形式添加到饼干中,在一定程度上改善了这种饼干的口感,但是,燕麦片的添加量往往也有限,一般在20%(以烘焙百分比计)左右。
发明内容
本发明主要针对杂粮食品——燕麦等的深加工工艺,提供了一种全谷物的、杂粮的酥脆的燕麦饼干及其制备方法。
所述方法主要包括以下步骤:
(1)按燕麦与水按照质量比1:(2~2.5)混合,并浸泡两小时左右;
(2)浸泡后蒸煮40min~60min,保温8~10min,冷水离散4~6s;
(3)将冷却的燕麦放入-20℃至-30℃的冰箱中,预冷冻8~24h;
(4)冷冻干燥至水分含量降低至5%以下;
(5)准备饼干原料:低筋粉、油、鸡蛋、白糖粉、红糖、小苏打、泡打粉、盐、冻干燕麦颗粒,质量份数分别为:100,55-70,20-30,25-35,10-20,0.6,0.6,0.4,50-100;
(6)油、白糖粉、红糖、小苏打、泡打粉、盐混合搅打;
(7)加入鸡蛋搅打;
(8)加入低筋粉和步骤(4)所得燕麦颗粒混匀;
(9)模具成型;
(10)180℃/150℃焙烤6min;
(11)冷却包装。
本发明的一种实施方式中,步骤(1)将燕麦与水按照质量比1:2混合,并浸泡两小时。
在本发明的一种实施方式中,步骤(2)浸泡后蒸煮40min或60min,保温10min,冷水离散4s。
在本发明的一种实施方式中,步骤(3)将冷却的燕麦放入-20℃的冰箱中,冷冻12~24h。
本发明有益效果:利用新工艺对燕麦进行预处理,然后加工成燕麦饼干,不仅丰富了燕麦的加工工艺,同时大大改善了燕麦饼干的口感。本发明将燕麦采用蒸的方式进行预熟化,并采用冷冻干燥的方式脱除燕麦颗粒中的水分,经过焙烤之后燕麦颗粒的硬度只有1363.81g,脆性也只有1036.08g,并且燕麦颗粒干燥均匀,内部结构保留完整且口感良好,饼干的总体感官评分较高。
饼干的硬度、脆性的测定方法:TA-XT质构仪:采用TPA模式,测前速度1mm/s,测试速度0.5m/s,测后速度10mm/s,下降距离2mm。
实施例1
一种杂粮(燕麦)饼干的制作方法包括以下步骤:
1)按质量比燕麦:水=1:2的比例混合,浸泡燕麦两小时;
2)浸泡后,蒸煮40min,蒸煮后保温10min,然后,在冷水中离散4s;
3)将冷却的燕麦放入-20℃的冰箱中,预冷冻24h;
4)将燕麦冷冻干燥至水分含量降低至5%以下;
5)准备饼干原料低筋粉、油、鸡蛋、白糖粉、红糖、小苏打、泡打粉、盐、冻干燕麦颗粒烘焙百分比为:100,55-70,20-30,25-35,10-20,0.6,0.6,0.4,50-100;
6)油、白糖粉、红糖、小苏打、泡打粉、盐混合并搅打;
7)加入鸡蛋并继续搅打;
8)加入低筋粉和燕麦颗粒并混和均匀;
9)将步骤8得到的混合物加入到模具中,以便成型;
10)180℃/150℃焙烤6min;
11)冷却包装。
实施例2不同浸泡时间对饼干中颗粒质构的影响
1)按质量比燕麦:水=1:2的比例混合,按照表1浸泡不同时间;
2)浸泡后蒸煮60min,蒸煮后保温10min,然后在冷水中离散4s;
3)将冷却的燕麦放入-20℃的冰箱中,预冷冻24h;
4)冷冻干燥48h至水分含量降低至5%以下;
5)准备饼干原料低筋粉、油、鸡蛋、白糖粉、红糖、小苏打、泡打粉、盐、冻干燕麦颗粒烘焙百分比为:100,55-70,20-30,25-35,10-20,0.6,0.6,0.4,50-100;
6)油、白糖粉、红糖、小苏打、泡打粉、盐混合并搅打;
7)加入鸡蛋并继续搅打;
8)加入低筋粉和燕麦颗粒混匀;
9)将步骤8得到的混合物加入到模具中,以便成型;
10)180℃/150℃焙烤6min;
11)冷却包装。
测定焙烤后的饼干中的燕麦颗粒的质构特性,其数据结果如下表1所示,从表1数据可以看出随着浸泡时间的延长,焙烤之后燕麦颗粒的硬度和脆性都逐渐降低。
表1
| 浸泡时间/h | 硬度/g | 脆性/g |
| 0 | 1933.43±116.52 | 1700.95±166.37 |
| 1 | 1927.15±46.93 | 1683.01±164.53 |
| 2 | 1875.24±121.1 | 1644.41±147.53 |
| 3 | 1605.89±73.35 | 1393.44±153.79 |
| 4 | 1593.15±38.49 | 1391.24±134.26 |
| 5 | 1587.71±85.46 | 1380.63±87.39 |
实施例3不同米水比对饼干颗粒质构的影响
1)如表2所示,将米、水按照不同的比例混合,浸泡燕麦两小时;
2)浸泡后,蒸煮40min,蒸煮后保温10min,然后,在冷水中离散4s;
3)将冷却的燕麦放入-20℃的冰箱中,预冷冻24h;
4)将燕麦冷冻干燥至水分含量降低至5%以下;
5)准备饼干原料低筋粉、油、鸡蛋、白糖粉、红糖、小苏打、泡打粉、盐、冻干燕麦颗粒烘焙百分比为:100,55-70,20-30,25-35,10-20,0.6,0.6,0.4,50-100;
6)油、白糖粉、红糖、小苏打、泡打粉、盐混合并搅打;
7)加入鸡蛋并继续搅打;
8)加入低筋粉和燕麦颗粒并混和均匀;
9)将步骤8得到的混合物加入到模具中,以便成型;
10)180℃/150℃焙烤6min;
11)冷却包装。
测定焙烤后的饼干中的燕麦颗粒的质构特性,其数据结果如下表2所示,从表2数据可以看出,随着步骤(1)中的加水量的增加,燕麦颗粒的硬度和脆性也都逐渐降低并达到稳定。
表2
| 米水比 | 硬度/g | 脆性/g |
| 1:1.5 | 2069.67±120.60 | 1834.05±136.30 |
| 1:1.75 | 1858.64±89.83 | 1725.56±146.40 |
| 1:2 | 1875.24±121.1 | 1644.41±147.53 |
| 1:2.25 | 1608.45±135.84 | 1371.95±147.34 |
| 1:2.5 | 1593.01±128.79 | 1373.88±120.63 |
实施例4不同蒸煮时间对饼干中颗粒质构的影响
1)按质量比燕麦:水=1:2的比例混合,浸泡燕麦两小时;
2)浸泡后,按照表3分别蒸煮不同时间,蒸煮后保温10min,然后,在冷水中离散4s;
3)将冷却的燕麦放入-20℃的冰箱中,预冷冻24h;
4)将燕麦冷冻干燥至水分含量降低至5%以下;
5)准备饼干原料低筋粉、油、鸡蛋、白糖粉、红糖、小苏打、泡打粉、盐、冻干燕麦颗粒烘焙百分比为:100,55-70,20-30,25-35,10-20,0.6,0.6,0.4,50-100;
6)油、白糖粉、红糖、小苏打、泡打粉、盐混合并搅打;
7)加入鸡蛋并继续搅打;
8)加入低筋粉和燕麦颗粒并混和均匀;
9)将步骤8得到的混合物加入到模具中,以便成型;
10)180℃/150℃焙烤6min;
11)冷却包装。
测定焙烤后的饼干中的燕麦颗粒的质构特性,其数据结果如下表3所示,从表3数据可以看出,蒸煮40min时,燕麦颗粒经过焙烤之后的硬度和脆性到达最低点。
表3
| 蒸煮时间/min | 硬度/g | 脆性/g |
| 20 | 1942.81±144.16 | 1763.63±165.03 |
| 30 | 1849.90±96.78 | 1667.78±141.48 |
| 40 | 1363.81±54.28 | 1036.08±67.64 |
| 50 | 1611.18±55.65 | 1166.16±44.44 |
| 60 | 1875.24±121.1 | 1644.41±147.53 |
| 70 | 1930.02±81.30 | 1707.27±105.75 |
| 80 | 1972.91±97.25 | 1747.94±147.25 |
实施例5
考虑到燕麦麸皮较厚,有些消费者使用本款饼干不太方便,因此可在蒸煮燕麦之前进行去麸的操作,用碾米机碾磨燕麦数秒,去皮率达到5%左右。
1)将燕麦碾磨去皮;
2)按质量比燕麦:水=1:2的比例浸泡燕麦两小时;
3)浸泡后隔水蒸30min,保温10min,冷水离散4s;
4)将冷却的燕麦放入-20℃的冰箱中,预冷冻24h;
5)冷冻干燥至水分含量降低至5%以下;
6)准备饼干原料低筋粉、油、鸡蛋、糖粉、红糖、小苏打、泡打粉、盐、冻干燕麦颗粒烘焙百分比为:100,55-70,20-30,25-35,10-20,0.6,0.6,0.4,50-100;
7)油、糖粉、红糖、小苏打、泡打粉、盐混合搅打;
8)加入鸡蛋搅打;
9)加入低筋粉和燕麦颗粒混匀;
10)模具成型;
11)180℃/150℃焙烤6min。
实施例6
在实施例5的基础上,改变步骤(2)中的浸泡时间。测定焙烤后的饼干中的燕麦颗粒的质构特性,其数据结果如下表4所示,从表4数据可以看出,随着浸泡时间的延长,燕麦颗粒的硬度和脆性均在降低并达到稳定。
表4
| 浸泡时间/h | 硬度/g | 脆性/g |
| 0.5 | 1819.29±120.23 | 1498.85±132.29 |
| 1 | 1741.52±93.85 | 1430.04±126.55 |
| 1.5 | 1675.23±131.96 | 1324.8±128.42 |
| 2 | 1539.89±42.42.97 | 1284.41±126.47 |
| 2.5 | 1538.68±110.82 | 1263.85±106.89 |
在实施例5的基础上,改变步骤(3)中的蒸煮时间。测定焙烤后的饼干中的燕麦颗粒的质构特性,其数据结果如下表5所示。
表5
| 蒸时间/min | 硬度/g | 脆性/g |
| 20 | 1798.82±172.96 | 1369.90±90.14 |
| 30 | 1539.89±42.97 | 1284.41±126.47 |
| 40 | 1679.07±109.52 | 1396.77±77.22 |
| 50 | 1791.25±96.07 | 1664.44±137.33 |
| 60 | 1815.24±73.68 | 1589.25±150.44 |
实施例7
本发明为了将燕麦以完整颗粒的形态添加到饼干中,发明人尝试了多种对饼干进行预熟化的方法,然后参照实施例1中的步骤5~11制备了饼干。发明人尝试几种预熟化处理方法包括:蒸煮、蒸煮干燥、焙烤、挤压膨化。结果表明:
(1)蒸煮之后的燕麦由于水分含量较高,如果直接添加到饼干中,焙烤之后,燕麦颗粒中的水分并未除去,影响饼干的口感。
(2)焙烤燕麦达不到颗粒疏松酥脆的目的。
(3)挤压膨化之后,燕麦颗粒之间进行了重组,燕麦颗粒的结构发生了变化,且有苦味。
(4)在蒸煮干燥的实验中,燕麦与水安装质量比1:2混合并浸泡时间2h,然后蒸煮60min,然后分别采取冷冻干燥、真空干燥、红外真空干燥等方式进行干燥。其中,红外真空干燥技术的干燥时间相对较短,但由于燕麦颗粒较小,干燥结果并不均匀,出现收缩、变空、变硬的情况,且会影响饼干的口感;表6展示了焙烤后的饼干中的燕麦颗粒的硬度与脆性。真空干燥技术的干燥时间较红外真空干燥时间长,所得到的燕麦颗粒更加不均匀性,颗粒更硬,大部分颗粒都发生了收缩,这同样会影响饼干的口感;表7展示了焙烤后的饼干中的燕麦颗粒的硬度与脆性。采用冷冻干燥的方式,燕麦颗粒干燥均匀,焙烤后的饼干中的燕麦颗粒的硬度和脆性有很大程度的降低,燕麦颗粒的内部结构保留完整且口感良好;如表8所示,预 冻温度越低,颗粒硬度和脆性越大,预冻温度过高则预冻时间增加,从而导致成本增加;如表9所示,预冻时间达到12h时,再增加预冻时间,对焙烤后颗粒质构无显著影响;如表10所示,采LGJ-10E型号的冻干机,冻干48小时或更长时间,颗粒焙烤后的硬度和脆性无较大的变化。
表6不同的红外真空干燥时间与燕麦颗粒品质的关系
| 干燥温度及时间 | 硬度/g | 脆性/g |
| 90℃(15min) | 1976.31±345.13 | 1914.74±204.91 |
| 80℃(30min) | 1989.44±390.90 | 1986.11±288.50 |
| 70℃(40min) | 2073.13±344.64 | 1765.97±187.06 |
| 60℃(60min) | 2294.24±349.16 | 1823.56±172.58 |
| 50℃(70min) | 2707.38±297.81 | 2240.69±335.66 |
表7不同的真空干燥时间与燕麦颗粒品质的关系
| 干燥温度及时间 | 硬度/g | 脆性/g |
| 90℃(20min) | 1967.05±349.96 | 1776.73±261.28 |
| 80℃(40min) | 2519±499.86 | 1594.10±209.66 |
| 70℃(50min) | 2668.96±401.14 | 1913.773±87.46 |
| 60℃(70min) | 2793.67±381.42 | 1823.56±172.58 |
| 50℃(85min) | 2908.37±424.37 | 2129.69±240.49 |
表8不同的预冷冻温度与燕麦颗粒品质的关系
| 预冻温度 | 硬度/g | 脆性/g |
| -20℃ | 1539.89±42.97 | 1284.41±126.47 |
| -50℃ | 1859.14±96.81 | 1665.15±84.01 |
| -80℃ | 2011.71±102.72 | 1793.39±83.38 |
表9不同的预冷冻时间与燕麦颗粒品质的关系
| 预冻时间/h | 硬度/g | 脆性/g |
| 8 | 1689.52±108.74 | 1470.26±119.97 |
| 12 | 1572.56±117.36 | 1311.99±127.82 |
| 16 | 1528.25±148.59 | 1301.51±121.07 |
| 20 | 1526.52±56.58 | 1292.61±115.28 |
| 24 | 1539.89±42.97 | 1284.41±126.47 |
表10不同的冷冻干燥时间与燕麦颗粒品质的关系
| 冻干时间/h | 硬度/g | 脆性/g |
| 44 | 1726.92±116.18 | 1491.74±134.99 |
| 46 | 1650.67±133.07 | 1376.32±86.36 |
| 48 | 1539.89±42.97 | 1284.41±126.47 |
| 50 | 1551.10±101.98 | 1273.99±107.71 |
| 52 | 1521.56±111.13 | 128.28±85.35 |
虽然本发明已以较佳实施例公开如上,但其并非用以限定本发明,任何熟悉此技术的人,在不脱离本发明的精神和范围内,都可做各种的改动与修饰,因此本发明的保护范围应该以权利要求书所界定的为准。
Claims (9)
- 一种全谷物杂粮酥性燕麦饼干的制备方法,其特征在于,所述方法主要包括以下步骤:(1)按燕麦与水按照质量比1:(2~2.5)混合,并浸泡两小时左右;(2)蒸煮40min~60min,停止蒸煮后,保温8~10min,在冷水中离散4~6s以冷却燕麦;(3)将冷却的燕麦在-20℃至-30℃的环境中预冷冻8~24h;(4)利用冷冻干燥将燕麦的水分含量降低至5%以下;(5)准备以下原料:低筋粉、油、鸡蛋、白糖、红糖、小苏打、泡打粉、盐、步骤(4)中的冻干燕麦颗粒;(6)将油、白糖、红糖、小苏打、泡打粉、盐混合并搅打;(7)加入鸡蛋并继续搅打;(8)加入低筋粉和步骤(4)中得到的冻干燕麦颗粒并混匀;(9)将步骤(8)得到的混合物放入模具中以成型;(10)焙烤。
- 根据权利要求1所述的一种全谷物杂粮酥性燕麦饼干的制备方法,其特征在于,焙烤后还包括冷却包装的步骤。
- 根据权利要求1或2所述的一种全谷物杂粮酥性燕麦饼干的制备方法,其特征在于,低筋粉、油、鸡蛋、白糖、红糖、小苏打、泡打粉、盐、冻干燕麦颗粒的质量份数分别为:100份,55-70份,20-30份,25-35份,10-20份,0.6份,0.6份,0.4份,50-100份。
- 根据权利要求1所述的一种全谷物杂粮酥性燕麦饼干的制备方法,其特征在于,步骤(1)将燕麦与水按照质量比1:2混合,并浸泡两小时。
- 根据权利要求3所述的一种全谷物杂粮酥性燕麦饼干的制备方法,其特征在于,步骤(1)将燕麦与水按照质量比1:2混合,并浸泡两小时。
- 根据权利要求1所述的一种全谷物杂粮酥性燕麦饼干的制备方法,其特征在于,步骤(2)浸泡后蒸煮40min或60min,保温10min,在冷水中离散4s。
- 根据权利要求1所述的一种全谷物杂粮酥性燕麦饼干的制备方法,其特征在于,步骤(3)将冷却的燕麦放入-20℃的冰箱中,冷冻12~24h。
- 根据权利要求6所述的一种全谷物杂粮酥性燕麦饼干的制备方法,其特征在于,步骤(3)将冷却的燕麦放入-20℃的冰箱中,冷冻12~24h。
- 根据权利要求1~8任一所述方法制备得到的全谷物杂粮酥性燕麦饼干。
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