CN103484237A - Enzymatic pretreatment method for squeezing evening primrose oil - Google Patents

Enzymatic pretreatment method for squeezing evening primrose oil Download PDF

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CN103484237A
CN103484237A CN201310450111.8A CN201310450111A CN103484237A CN 103484237 A CN103484237 A CN 103484237A CN 201310450111 A CN201310450111 A CN 201310450111A CN 103484237 A CN103484237 A CN 103484237A
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evening primrose
oil
pressing
primrose oil
enzymatic
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于殿宇
江连洲
王俊国
韩丹
张欢
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Northeast Agricultural University
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Abstract

本发明提供一种酶法预处理压榨月见草油的方法。它解决了现有压榨方法出油率低,设备磨损严重,月见草油品质较差等问题。其发明步骤如下:首先用酶预处理月见草籽,将产物离心分离可以得到游离油和含油物料,然后将调节好水分的含油物料放入压榨机中压榨得到月见草油。由于对月见草籽进行充分的酶解前处理,在此过程中收集部分优质油脂,又能充分破坏月见草细胞壁,降低了进一步压榨的难度,同时也降低了压榨温度避免月见草油在高温下变质,很好地保护了月见草油中的γ-亚麻酸以及亚油酸等不饱和酸,所获油脂品质完美。The invention provides a method for enzymatically pretreating and pressing evening primrose oil. It solves the problems of low oil yield, serious equipment wear and poor quality of evening primrose oil in the existing pressing method. The inventive steps are as follows: first, pretreat evening primrose seeds with enzymes, centrifuge the product to obtain free oil and oily materials, and then put the oily materials with adjusted moisture into a press to obtain evening primrose oil. Due to the sufficient enzymatic pretreatment of evening primrose seeds, part of the high-quality oil is collected in the process, and the cell wall of evening primrose can be fully destroyed, which reduces the difficulty of further pressing, and also reduces the pressing temperature to avoid evening primrose oil. It deteriorates at high temperature, and the unsaturated acids such as gamma-linolenic acid and linoleic acid in evening primrose oil are well protected, and the quality of the obtained oil is perfect.

Description

一种用酶法预处理压榨月见草油的方法A method of enzymatically pretreating and pressing evening primrose oil

技术领域 technical field

本发明涉及一种用酶法预处理压榨月见草油的方法。 The invention relates to a method for pretreating pressed evening primrose oil by enzymatic method.

背景技术 Background technique

月见草籽中含有20~30%的月见草油,月见草油中γ-亚麻酸含量为9~12%,γ-亚麻酸可合成前列腺素E1,它是抗血栓、扩血管新药,广泛用于血栓性脉管炎、慢性动脉闭塞症、心肌梗塞、视网膜中央静脉血栓动脉造影、血管重建造影等。研究表明γ-亚麻酸降低胆固醇的效果是亚油酸的170倍,另外其还可消除氧自由基,延缓皮肤结构组织衰老,加强皮肤的活性功能。但是人体不能合成γ-亚麻酸,只能通过饮食来摄取,而月见草油是天然的含γ-亚麻酸的最好资源。 Evening primrose seeds contain 20-30% evening primrose oil, the content of gamma-linolenic acid in evening primrose oil is 9-12%, gamma-linolenic acid can synthesize prostaglandin E 1 , which is antithrombotic, vasodilator New drug, widely used in thromboangiitis, chronic arterial occlusive disease, myocardial infarction, central retinal vein thrombosis arteriography, vascular reconstruction imaging, etc. Studies have shown that γ-linolenic acid is 170 times more effective in lowering cholesterol than linoleic acid. In addition, it can also eliminate oxygen free radicals, delay the aging of skin structure and tissue, and strengthen the active function of skin. However, the human body cannot synthesize γ-linolenic acid and can only be ingested through diet. Evening primrose oil is the best natural source of γ-linolenic acid.

目前对月见草油的提取多采用压榨法,然而压榨法出油效率低,且设备磨损严重,月见草油品质较差。该发明采用酶法预处理后再压榨的方法,即对月见草籽进行充分的酶解前处理,在此过程中收集部分优质油脂,又能充分破坏月见草细胞壁,降低了进一步压榨的难度,同时也降低了压榨温度,避免月见草油在高温下变质,很好地保护了月见草油中的γ-亚麻酸以及亚油酸等不饱和酸,所获油脂品质完美,为实现月见草油工业化制取提供参考。 At present, the extraction of evening primrose oil is mostly carried out by pressing, but the oil extraction efficiency of the pressing method is low, and the equipment wears seriously, so the quality of evening primrose oil is poor. The invention adopts the method of enzymatic pretreatment and then squeezing, that is, the evening primrose seeds are fully enzymatically pretreated, and part of the high-quality oil is collected in the process, which can fully destroy the cell wall of the evening primrose and reduce the cost of further squeezing. difficulty, and at the same time reduce the pressing temperature, avoid the deterioration of evening primrose oil at high temperature, well protect the unsaturated acids such as gamma-linolenic acid and linoleic acid in evening primrose oil, and the quality of the obtained oil is perfect, for Provide reference for the industrial production of evening primrose oil.

发明内容 Contents of the invention

本发明为了解决现有压榨方法中出油率低,设备磨损严重,月见草油品质较差等问题,而提出了一种用酶法预处理压榨月见草油的方法。用酶法预处理压榨月见草油的方法通过以下步骤实现:一、酶法预处理月见草籽;二、灭酶;三、离心分离;四、含油物料预处理;五、压榨含油物料。 In order to solve the problems of low oil yield, serious equipment wear and poor quality of evening primrose oil in the existing pressing method, the present invention proposes a method for pretreatment and pressing of evening primrose oil by enzymatic method. The method for pressing evening primrose oil by enzymatic pretreatment is realized through the following steps: 1. Enzymatic pretreatment of evening primrose seeds; 2. Enzyme inactivation; 3. Centrifugal separation; 4. Pretreatment of oily materials; .

利用酶法预处理压榨月见草油中,对月见草籽进行充分的酶解前处理,在此过程中收集部分优质油脂,又能充分破坏月见草细胞壁,降低了进一步压榨的难度,同时也降低了压榨温度避免月见草油在高温下变质,很好地保护了月见草油中的γ-亚麻酸以及亚油酸等不饱和酸,所获油脂品质完美。 Enzymatic pretreatment is used to squeeze evening primrose oil, and the evening primrose seeds are fully enzymatically pretreated. During this process, part of the high-quality oil is collected, and the cell wall of evening primrose can be fully destroyed, reducing the difficulty of further pressing. At the same time, the pressing temperature is also reduced to prevent the evening primrose oil from deteriorating at high temperature, and the unsaturated acids such as gamma-linolenic acid and linoleic acid in the evening primrose oil are well protected, and the quality of the obtained oil is perfect.

具体实施方式 Detailed ways

具体实施方式一:一种用酶法预处理压榨月见草油的方法通过以下步骤实现: Specific embodiment one: a kind of method of squeezing evening primrose oil with enzymatic pretreatment realizes through the following steps:

步骤一:酶法预处理月见草籽:月见草籽清理后粉碎,过40目筛,然后均匀的喷洒上复合多糖酶、植物水解酶、纤维素酶,在温度40~60℃、pH值4.0~6.5、酶用量0.5~3.5%、酶解时间4.0~6.5h的条件下酶解月见草籽; Step 1: Enzymatic pretreatment of evening primrose seeds: Clean evening primrose seeds, crush them, pass through a 40-mesh sieve, and then evenly spray compound polysaccharide enzymes, plant hydrolytic enzymes, and cellulase at a temperature of 40~60°C and pH Enzymolysis of evening primrose seeds under the conditions of 4.0~6.5 value, 0.5~3.5% enzyme dosage, and 4.0~6.5h enzymolysis time;

步骤二:灭酶:100℃下灭酶3min; Step 2: Enzyme inactivation: Enzyme inactivation at 100°C for 3 minutes;

步骤三:离心分离:将产物放入离心机中,分离得到游离油和含油物料; Step 3: Centrifugal separation: put the product into a centrifuge to separate free oil and oily materials;

步骤四:含油物料预处理:烘干后,真空调节水分; Step 4: Pretreatment of oil-containing materials: after drying, vacuum to adjust the moisture;

步骤五:压榨含油物料:将调解好水分的含油物料放入压榨机中,在初始入榨温度30~90℃、压榨温度50~120℃、压榨压力2.0~6.0MPa的条件下压榨含油物料。 Step 5: Squeeze the oily material: Put the oily material with adjusted moisture into the press, and press the oily material under the conditions of the initial pressing temperature of 30-90°C, pressing temperature of 50-120°C, and pressing pressure of 2.0-6.0MPa.

具体实施方式二:本实施方式与具体实施方式一的不同点在于步骤一中复合多糖酶、植物水解酶、纤维素酶按4:1:1的比例加入油料,料液比1:6。其他步骤与具体实施方式一相同。 Embodiment 2: The difference between this embodiment and Embodiment 1 is that in step 1, compound polysaccharide enzyme, plant hydrolase, and cellulase are added to the oil plant in a ratio of 4:1:1, and the ratio of material to liquid is 1:6. Other steps are the same as in the first embodiment.

具体实施方式三:本实施方式与具体实施方式一的不同点在于步骤一中酶解温度45~55℃、pH值4.5~5.5、酶用量1~3%、酶解时间3.5~5.5h的条件下酶解月见草籽。其他步骤与具体实施方式一相同。 Specific embodiment 3: The difference between this embodiment and specific embodiment 1 lies in the conditions in step 1 that the enzymolysis temperature is 45-55°C, the pH value is 4.5-5.5, the enzyme dosage is 1-3%, and the enzymolysis time is 3.5-5.5h Enzymatic hydrolysis of evening primrose seeds. Other steps are the same as in the first embodiment.

具体实施方式四:本实施方式与具体实施方式一的不同点在于步骤四中调节物料水分5~10%。其他步骤与具体实施方式一相同。 Embodiment 4: The difference between this embodiment and Embodiment 1 is that the moisture content of the material is adjusted to 5-10% in step 4. Other steps are the same as in the first embodiment.

具体实施方式五:本实施方式与具体实施方式一的不同点在于步骤五中初始入榨温度40~80℃,压榨温度60~100℃,压榨压力3.0~5.0MPa,出油率为69%。其他步骤与具体实施方式一相同。 Embodiment 5: The difference between this embodiment and Embodiment 1 is that in step 5, the initial pressing temperature is 40-80°C, the pressing temperature is 60-100°C, the pressing pressure is 3.0-5.0 MPa, and the oil yield is 69%. Other steps are the same as in the first embodiment.

Claims (5)

1.一种用酶法预处理压榨月见草油的方法,其特征在于用酶法预处理压榨月见草油的方法步骤如下: 1. a method for pressing evening primrose oil with enzymatic pretreatment, characterized in that the method steps for pressing evening primrose oil with enzymatic pretreatment are as follows: 步骤一:酶法预处理月见草籽:酶法预处理月见草籽:月见草籽清理后粉碎,过40目筛,然后均匀的喷洒上复合多糖酶、植物水解酶、纤维素酶,在温度40~60℃、pH值4.0~6.5、酶用量0.5~3.5%、酶解时间4.0~6.5h的条件下酶解月见草籽; Step 1: Enzymatic pretreatment of evening primrose seeds: Enzymatic pretreatment of evening primrose seeds: Evening primrose seeds are cleaned and crushed, passed through a 40-mesh sieve, and then evenly sprayed with compound polysaccharide enzymes, plant hydrolytic enzymes, and cellulase , under the conditions of temperature 40-60°C, pH value 4.0-6.5, enzyme dosage 0.5-3.5%, and enzymatic hydrolysis time 4.0-6.5h; 步骤二:灭酶:100℃下灭酶3min; Step 2: Enzyme inactivation: Enzyme inactivation at 100°C for 3 minutes; 步骤三:离心分离:将产物放入离心机中,分离得到游离油和含油物料; Step 3: Centrifugal separation: put the product into a centrifuge to separate free oil and oily materials; 步骤四:含油物料预处理:烘干后,真空调节水分; Step 4: Pretreatment of oil-containing materials: after drying, vacuum to adjust the moisture; 步骤五:压榨含油物料:将调解好水分的含油物料放入压榨机中,在初始入榨温度30~90℃、压榨温度50~120℃、压榨压力2.0~6.0MPa的条件下压榨含油物料。 Step 5: Squeeze the oily material: Put the oily material with adjusted moisture into the press, and press the oily material under the conditions of the initial pressing temperature of 30-90°C, pressing temperature of 50-120°C, and pressing pressure of 2.0-6.0MPa. 2.根据权利要求1所述的一种用酶法预处理压榨月见草油的方法,其特征在于步骤一中复合多糖酶、植物水解酶、纤维素酶按4:1:1的比例加入油料,料液比1:6。 2. A method of pressing evening primrose oil by enzymatic pretreatment according to claim 1, wherein in step 1, compound polysaccharide enzyme, plant hydrolase, and cellulase are added in a ratio of 4:1:1 For oil, the ratio of solid to liquid is 1:6. 3.依据权利要求1所述的一种用酶法预处理压榨月见草油的方法,其特征在于步骤一中酶解温度45~55℃、pH值4.5~5.5、酶用量1~3%、酶解时间3.5~5.5h的条件下酶解月见草籽。 3. A method of enzymatically pretreating evening primrose oil according to claim 1, characterized in that in step 1, the enzymolysis temperature is 45-55°C, the pH value is 4.5-5.5, and the enzyme dosage is 1-3% , Enzymatic hydrolysis of evening primrose seeds under the condition of enzymatic hydrolysis time 3.5~5.5h. 4.依据权利要求1所述的一种用酶法预处理压榨月见草油的方法,其特征在于步骤四种调节物料水分5~10%。 4. according to claim 1 a kind of method with enzymatic pretreatment pressing evening primrose oil, it is characterized in that step 4 adjusts material moisture 5~10%. 5.依据权利要求1所述的一种用酶法预处理压榨月见草油的方法,其特征在于步骤五中初始入榨温度40~80℃,压榨温度60~100℃,压榨压力3.0~5.0MPa,出油率为69%。 5. A method for pressing evening primrose oil by enzymatic pretreatment according to claim 1, characterized in that in step 5, the initial pressing temperature is 40-80°C, the pressing temperature is 60-100°C, and the pressing pressure is 3.0-100°C. 5.0MPa, the oil yield is 69%.
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CN112920891A (en) * 2021-03-05 2021-06-08 河北宁心机械设计有限公司 Virgin peanut oil and production process thereof

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