WO2021226873A1 - 一种低聚肽紫苏籽油微胶囊及其制备方法 - Google Patents

一种低聚肽紫苏籽油微胶囊及其制备方法 Download PDF

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WO2021226873A1
WO2021226873A1 PCT/CN2020/090011 CN2020090011W WO2021226873A1 WO 2021226873 A1 WO2021226873 A1 WO 2021226873A1 CN 2020090011 W CN2020090011 W CN 2020090011W WO 2021226873 A1 WO2021226873 A1 WO 2021226873A1
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seed oil
parts
perilla seed
oligopeptide
emulsion
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PCT/CN2020/090011
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English (en)
French (fr)
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林单
刘戚
侯占群
刘家生
谢涛
李景舒
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广东中食营科生物科技有限公司
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Priority to PCT/CN2020/090011 priority Critical patent/WO2021226873A1/zh
Publication of WO2021226873A1 publication Critical patent/WO2021226873A1/zh

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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23DEDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
    • A23D9/00Other edible oils or fats, e.g. shortenings, cooking oils
    • A23D9/007Other edible oils or fats, e.g. shortenings, cooking oils characterised by ingredients other than fatty acid triglycerides
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23DEDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
    • A23D9/00Other edible oils or fats, e.g. shortenings, cooking oils
    • A23D9/02Other edible oils or fats, e.g. shortenings, cooking oils characterised by the production or working-up
    • A23D9/04Working-up
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23DEDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
    • A23D9/00Other edible oils or fats, e.g. shortenings, cooking oils
    • A23D9/06Preservation of finished products
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/115Fatty acids or derivatives thereof; Fats or oils
    • A23L33/12Fatty acids or derivatives thereof
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/17Amino acids, peptides or proteins
    • A23L33/18Peptides; Protein hydrolysates
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23PSHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
    • A23P10/00Shaping or working of foodstuffs characterised by the products
    • A23P10/30Encapsulation of particles, e.g. foodstuff additives

Definitions

  • This application relates to the technical field of perilla seed oil microencapsulation, in particular to an oligopeptide perilla seed oil microcapsule and a preparation method thereof.
  • Perilla frutescen also known as Suzi, Chisu, Xiangsu, etc.
  • Perilla frutescen is mainly distributed in Asian countries such as China, South Korea, and Japan. It has been cultivated in my country for more than 2,000 years. In recent years, Canada and the United States have also begun to commercialize Planted.
  • Perilla is one of the first 60 items that are both food and medicine promulgated by the Ministry of Health of China.
  • the seeds of perilla are called perilla seeds.
  • Perilla seeds are rich in protein and fat. The protein content is about 25%, and the fat content is 40%-50%.
  • Perilla seed oil is a multi-component mixture containing a-linolenic acid and other components extracted from mature dried fruits or perilla plants of the Lamiaceae plant perilla. It is a high-quality health-care edible oil. Perilla seed oil is a colorless to light yellow or light green transparent oily liquid with the aroma of perilla and amber. Perilla seed oil is easily soluble in ethanol, but hardly soluble in glycerin and propylene glycol.
  • ⁇ -linolenic acid in perilla seed oil is as high as 60% to 67% (it is higher than the ⁇ -linolenic acid in linseed oil), it contains 12% to 13% of linoleic acid, and it also contains 18 kinds of amino acids and a variety of pairs. Substances with obvious curative effects and health care effects for various diseases of the human body have high nutritional and medicinal value.
  • Long-term consumption has the following benefits: increase brain nutrition, nourish the brain, regulate brain nerve and optic nerve function; regulate high blood pressure, high blood fat, lower cholesterol; prevent atherosclerosis, inhibit thrombosis; reduce cerebral thrombosis and cardiovascular The onset of disease; enhance the body’s immune function; regulate body metabolism and delay body aging; slow down and prevent the occurrence of Alzheimer’s disease; prevent fatty liver and diabetes; also have a good effect on skin care and weight loss.
  • perilla seed oil Due to the large amount of unsaturated fatty acids in perilla seed oil, during industrial production, storage and cooking, it is extremely susceptible to oxidative deterioration due to factors such as light and temperature. The product is not easy to store, which makes it difficult to store perilla seeds. The in-depth development and application promotion of oil in food has been greatly restricted. Although the soft capsules of perilla seed oil appearing on the market can isolate the oil from the air, they can only be taken orally directly, which is not conducive to being directly added to other foods, which affects the wide application of perilla seed oil.
  • Microcapsule technology is a technology that uses natural or synthetic polymer materials to make solid or liquid micro-containers or packages with polymer walls.
  • the method of preparing perilla seed oil using microencapsulation technology has gradually become a hot research direction.
  • Li Wenyan and Ji Ting used soy protein and maltodextrin as wall materials to prepare perilla seed oil microcapsules by freeze-drying; Yuan Fahu et al. used peach gum-gelatin as wall materials to prepare perilla seed oil microcapsules by a compound coacervation method .
  • the industrial application is greatly restricted.
  • the current microcapsule wall material and preparation method cannot effectively isolate the perilla seed oil from oxygen, and the embedding efficiency is low.
  • the perilla oil is wrapped in the wall material and cannot effectively maintain the effectiveness of the perilla oil. Element.
  • One of the objectives of this application is to provide a method for preparing oligopeptide perilla seed oil microcapsules.
  • the oligopeptide perilla seed oil microcapsules prepared by the method have good embedding efficiency and lower surface oil. Rate, wrap the grease in the wall material, can keep the effective ingredients in the grease from being oxidized, and have a long storage time.
  • a preparation method of oligopeptide perilla seed oil microcapsules includes the steps:
  • step (4) Spray drying the homogenized emulsion in step (4) to obtain oligopeptide perilla seed oil microcapsules.
  • modified starch, soybean polysaccharides, gum arabic, sodium caseinate, and soybean protein isolate are used to form the first aqueous phase, and then The oligopeptide is added to the first aqueous phase to effectively improve the embedding effect of the perilla seed oil microcapsules, and then the oligopeptide perilla seed oil microcapsules are obtained through shearing, homogenization, and spray drying.
  • the oligopeptide perilla seed oil microcapsules have good embedding efficiency and lower surface oil rate.
  • the grease is wrapped in the wall material, and the effective components in the grease can be kept from being oxidized, and the storage time is long.
  • the water temperature in step (1) is 40°C to 60°C, and the total mass of the modified starch, the soybean polysaccharide, the gum arabic, the sodium caseinate, the soy protein isolate and the mass of the water The ratio is 1:3-15.
  • the oligopeptide is selected from at least one of corn oligopeptides, marine fish oligopeptides, and wheat oligopeptides.
  • the shear rate is 10000rpm-20000rpm.
  • the shear rate is 10000rpm, 12000rpm, 14000rpm, 16000rpm, 18000rpm, 20000rpm.
  • step (3) the shearing time is 10-20 min.
  • step (4) a high-pressure homogenizer is used to homogenize the emulsion at 30-60°C for 3-5 times.
  • step (4) the homogenizing pressure is 30-50Mpa.
  • the inlet air temperature is 130-170°C
  • the outlet air temperature is 75-100°C.
  • modified starch is selected from sodium starch octenyl succinate (Hicap-100).
  • Another aspect of the present application provides an oligopeptide perilla seed oil microcapsule, which is prepared by the above-mentioned preparation method of the oligopeptide perilla seed oil microcapsule.
  • Figure 1 is an SEM image of oligopeptide perilla seed oil microcapsules in Example 1 of the application.
  • Figure 2 is an SEM image of oligopeptide perilla seed oil microcapsules in Example 2 of the application.
  • Figure 3 is an SEM image of oligopeptide perilla seed oil microcapsules in Example 3 of the application.
  • Figure 4 is an SEM image of oligopeptide perilla seed oil microcapsules in Example 4 of the application.
  • Figure 5 is an SEM image of oligopeptide perilla seed oil microcapsules in Example 5 of the application.
  • Figure 6 is an SEM image of the oligopeptide perilla seed oil microcapsules in Example 6 of the application.
  • a preparation method of oligopeptide perilla seed oil microcapsules includes the steps:
  • step (4) Spray drying the homogenized emulsion in step (4), the inlet air temperature is 130°C, and the outlet air temperature is 80°C to obtain oligopeptide perilla seed oil microcapsules.
  • a preparation method of oligopeptide perilla seed oil microcapsules includes the steps:
  • step (4) Spray drying the homogenized emulsion in step (4), the inlet air temperature is 150°C, and the outlet air temperature is 90°C to obtain oligopeptide perilla seed oil microcapsules.
  • a preparation method of oligopeptide perilla seed oil microcapsules includes the steps:
  • step (4) Spray drying the homogenized emulsion in step (4), the inlet air temperature is 170°C, and the outlet air temperature is 100°C to obtain oligopeptide perilla seed oil microcapsules.
  • a preparation method of oligopeptide perilla seed oil microcapsules includes the steps:
  • step (4) Spray drying the homogenized emulsion in step (4), the inlet air temperature is 170°C, and the outlet air temperature is 100°C to obtain oligopeptide perilla seed oil microcapsules.
  • a preparation method of oligopeptide perilla seed oil microcapsules includes the steps:
  • step (4) Spray drying the homogenized emulsion in step (4), the inlet air temperature is 150°C, and the outlet air temperature is 100°C to obtain oligopeptide perilla seed oil microcapsules.
  • a preparation method of oligopeptide perilla seed oil microcapsules includes the steps:
  • step (4) Spray drying the homogenized emulsion in step (4), the inlet air temperature is 150°C, and the outlet air temperature is 100°C to obtain oligopeptide perilla seed oil microcapsules.
  • a preparation method of perilla seed oil microcapsules includes the steps:
  • step (3) Spray drying the homogenized emulsion in step (3), with an inlet air temperature of 130°C and an outlet air temperature of 80°C, to obtain perilla seed oil microcapsules.
  • a preparation method of perilla seed oil microcapsules includes the steps:
  • step (3) Spray drying the homogenized emulsion in step (3), with an inlet air temperature of 150°C and an outlet air temperature of 90°C, to obtain perilla seed oil microcapsules.
  • a preparation method of perilla seed oil microcapsules includes the steps:
  • step (3) Spray drying the homogenized emulsion in step (3), with an inlet air temperature of 170°C and an outlet air temperature of 100°C, to obtain perilla seed oil microcapsules.
  • a preparation method of perilla seed oil microcapsules includes the steps:
  • step (3) Spray drying the homogenized emulsion in step (3), with an inlet air temperature of 170°C and an outlet air temperature of 100°C, to obtain perilla seed oil microcapsules.
  • a preparation method of perilla seed oil microcapsules includes the steps:
  • step (3) Spray drying the emulsion after homogenization in step (3), with an inlet air temperature of 150°C and an outlet air temperature of 100°C, to obtain perilla seed oil microcapsules.
  • a preparation method of perilla seed oil microcapsules includes the steps:
  • step (3) Spray drying the homogenized emulsion in step (3), with an inlet air temperature of 150°C and an outlet air temperature of 100°C, to obtain perilla seed oil microcapsules.
  • the perilla seed oil microcapsules prepared in Examples 1 to 6 and Comparative Examples 1-6 were subjected to surface oil content detection and emulsion particle size distribution.
  • the detection data are shown in Table 1.
  • SEM scanning electron microscope
  • Microcapsule product surface oil determination method accurately weigh about 5g of corn oligopeptide perilla seed oil microcapsules in an Erlenmeyer flask, add 15mL petroleum ether (boiling range 30 ⁇ 60°C), and shake well for 2min After filtration, the filtrate was transferred to a fat bottle of constant weight (m 1 ), and the conical flask was washed twice with 5 mL petroleum ether. The filtrate was combined, and the petroleum ether was distilled and recovered. After that, the fat bottle was placed at 70°C; Constant weight (m 2 ).
  • the surface oil content refers to the quality of the oil that is not embedded but exists on the surface of the microcapsules. The lower the surface oil content, the better the effect of oil embedding.
  • a laser particle size analyzer was used to determine the particle size of the emulsion, and a wet measurement mode was used.
  • Example 1 2.90 518.30 ⁇ 10.60
  • Example 2 5.29 440.30 ⁇ 9.33
  • Example 3 8.91 300 ⁇ 10.30
  • Example 4 12.91 490.15 ⁇ 3.32
  • Example 5 18.28 349.67 ⁇ 5.84
  • Example 6 4.88 511.40 ⁇ 13.58
  • Comparative example 1 3.10 412.53 ⁇ 5.76
  • Comparative example 2 5.73 482.80 ⁇ 9.65
  • Comparative example 3 13.62 289.47 ⁇ 16.45
  • Comparative example 6 5.21 416.55 ⁇ 9.12
  • Figures 1 to 6 are respectively the electron microscope images of the perilla seed oil microcapsules of Examples 1-6 of the application (at a magnification of 3600 times). It can be seen that the oligopeptide perilla seed oil microcapsule products of the present application are mainly spherical and have a particle size However, some tiny capsule particles adhere to the surface of large particles. Except for the holes on the surface of individual particles, the surfaces of other particles are continuous and dense without cracks and pores, indicating that the microcapsule products have good integrity and compactness, and can be effective. Reduce the oxygen contact with the core material to prevent the oxidation of grease.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
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Abstract

提供一种低聚肽紫苏籽油微胶囊的制备方法,包括步骤(1)将50-150份变性淀粉、50-150份大豆多糖、50-150份阿拉伯胶、50-150份酪蛋白酸钠、50-150份大豆分离蛋白加入热水中,搅拌溶解,形成第一水相;(2)将5-50份低聚肽加入至第一水相中,搅拌溶解,得到第二水相;(3)将第二水相进行剪切,并加入50-750份紫苏籽油,得到乳状液;(4)将乳状液进行均质;(5)对步骤(4)中均质后的乳状液进行喷雾干燥,得到低聚肽紫苏籽油微胶囊。该方法制备的低聚肽紫苏籽油微胶囊,具有良好的包埋效率,更低的表面油率,将油脂包裹在壁材中,能够保持油脂中的有效成分不被氧化,存储时间长。

Description

一种低聚肽紫苏籽油微胶囊及其制备方法 技术领域
本申请涉及紫苏籽油微胶囊化的技术领域,尤其涉及一种低聚肽紫苏籽油微胶囊及其制备方法。
背景技术
紫苏(Perilla frutescen)又名苏子、赤苏、香苏等,主要分布于中国、韩国、日本等亚洲国家,在我国已有2000多年的栽培历史,近年来加拿大、美国也开始进行商业化种植。紫苏是中国卫生部首批颁布的既是食品又是药品的60种物品之一。紫苏的种子称为紫苏籽,紫苏籽中含有丰富的蛋白质和脂肪,其中蛋白质含量约占25%,油脂含量为40%-50%。紫苏籽油系从唇形科植物紫苏成熟的干燥果实或紫苏植株中,提取所得到的含a-亚麻酸等多组分的混合物,是一种优质保健食用油。紫苏籽油为无色至淡黄色或淡绿色透明油状液体,具有紫苏和琥珀香气。紫苏籽油易溶于乙醇,难溶于甘油与丙二醇。紫苏籽油中α-亚麻酸含量高达60%~67%(它比亚麻油中α-亚麻酸还要高),含亚油酸12%~13%,还含有18种氨基酸和多种对人体多种疾病有明显疗效和保健作用的物质,具有很高的营养和药用价值。长期食用,具有如下好处:增加脑部营养、健脑益智、调节脑神经和视神经功能;调节高血压、高血脂、降低胆固醇;防止动脉粥样硬化、抑制血栓形成;降低脑血栓及心血管病的发作;增强人体免疫功能;调节机体代谢、延缓机体衰老;减缓并防止老年痴呆症的发生;预防脂肪肝和糖尿病;对保健肌肤和减肥也有较好效果。
由于紫苏籽油中存在大量的不饱和脂肪酸,在工业生产、贮存及烹饪过程中,极易受到光照及温度等因素的影响而产生氧化变质的问题,产品不易保存,从而使对紫苏籽油在食品中的深度开发和应用推广受到了极大的限制。目前市 场上出现的紫苏籽油软胶囊,虽然可以使油与空气隔绝,但是只能直接口服,不利于直接添加到其他食品中去,影响了紫苏籽油应用的广泛性。
微胶囊技术,是一种采用天然或者合成高分子材料把固体或液体制成的具有聚合物壁壳的微型容物或包装物的技术。随着技术发展,利用微胶囊化技术制备紫苏籽油的方法渐渐成为了热门研究的方向。李文艳和吉挺采用大豆蛋白和麦芽糊精为壁材,运用冷冻干燥法制备了紫苏籽油微胶囊;袁发浒等以桃胶-明胶为壁材,通过复合凝聚法制备紫苏籽油微胶囊。但因壁材的溶解度、价格等原因,工业化应用受到较大限制。同时,目前的微胶囊壁材和制备方法不能够有效的将紫苏籽油与氧气隔绝,包埋效率低,将紫苏油包裹在壁材中,不能够有效地保持紫苏油中的有效成分。
鉴于此,有必要提供一种低聚肽紫苏籽油微胶囊及其制备方法以解决上述缺陷。
申请内容
本申请的目的之一在于提供一种低聚肽紫苏籽油微胶囊的制备方法,通过该方法制备的低聚肽紫苏籽油微胶囊,具有良好的包埋效率,更低的表面油率,将油脂包裹在壁材中,能够保持油脂中的有效成分不被氧化,存储时间长。
本申请通过以下技术方案来实现:
一种低聚肽紫苏籽油微胶囊的制备方法,包括步骤:
(1)将50-150份变性淀粉、50-150份大豆多糖、50-150份阿拉伯胶、50-150份酪蛋白酸钠、50-150份大豆分离蛋白加入至一定温度的水中,搅拌溶解,形成第一水相;
(2)将5-50份低聚肽加入至所述第一水相中,搅拌溶解,得到第二水相;
(3)将所述第二水相进行剪切,并加入50-750份紫苏籽油,得到乳状液;
(4)将所述乳状液进行均质;
(5)对步骤(4)中均质后的所述乳状液进行喷雾干燥,得到低聚肽紫苏籽油微胶囊。
与现有技术相比,本申请低聚肽紫苏籽油微胶囊的制备方法中,先采用变 性淀粉、大豆多糖、阿拉伯胶、酪蛋白酸钠、大豆分离蛋白形成第一水相,然后将低聚肽加入至所述第一水相中,有效地提高紫苏籽油微胶囊的包埋效果,然后通过剪切、均质、喷雾干燥,得到低聚肽紫苏籽油微胶囊。使得该低聚肽紫苏籽油微胶囊具有良好的包埋效率,更低的表面油率,将油脂包裹在壁材中,能够保持油脂中的有效成分不被氧化,存储时间长。
进一步,步骤(1)中的水温为40℃~60℃,所述变性淀粉、所述大豆多糖、所述阿拉伯胶、所述酪蛋白酸钠、所述大豆分离蛋白的质量总和与水的质量比为1:3-15。
进一步,所述低聚肽选自玉米低聚肽、海洋鱼低聚肽、小麦低聚肽中的至少一种。
进一步,步骤(3)中,剪切速率为10000rpm-20000rpm。如剪切速率为10000rpm、12000rpm、14000rpm、16000rpm、18000rpm、20000rpm。
进一步,步骤(3)中,剪切时间为10-20min。
进一步,步骤(4)中,采用高压均质机对所述乳状液于30-60℃均质3-5次。
进一步,步骤(4)中,均质压力为30-50Mpa。
进一步,步骤(5)的均喷雾干燥中,进风温度为130-170℃,出风温度为75-100℃。
进一步,所述变性淀粉选自辛烯基琥珀酸淀粉钠(Hicap-100)。
本申请另一方面提供了一种低聚肽紫苏籽油微胶囊,采用上述低聚肽紫苏籽油微胶囊的制备方法制得。
附图说明
图1为本申请实施例1低聚肽紫苏籽油微胶囊SEM图。
图2为本申请实施例2低聚肽紫苏籽油微胶囊SEM图。
图3为本申请实施例3低聚肽紫苏籽油微胶囊SEM图。
图4为本申请实施例4低聚肽紫苏籽油微胶囊SEM图。
图5为本申请实施例5低聚肽紫苏籽油微胶囊SEM图。
图6为本申请实施例6低聚肽紫苏籽油微胶囊SEM图。
具体实施方式
下面通过具体实施方式来进一步说明本申请的技术方案,但不构成对本申请的任何限制。
实施例1
一种低聚肽紫苏籽油微胶囊的制备方法,包括步骤:
(1)将150份辛烯基琥珀酸淀粉钠、50份大豆多糖、50份阿拉伯胶、50份酪蛋白酸钠、50份大豆分离蛋白加入至2000份热水中,热水温度为40℃,高速搅拌使之完全溶解,形成第一水相;
(2)将20份玉米低聚肽加入至第一水相中,高速搅拌使玉米低聚肽溶解于第一水相中,得到第二水相;
(3)称取350份紫苏籽油,即油相,用高速剪切机对第二水相进行高速剪切,剪切速率为10000rpm,并缓慢于第二水相中加入紫苏籽油,在油相完全加入后,保持剪切10min,得到乳状液;
(4)采用高压均质机对乳状液于30℃均质4次,均质压力为30Mpa。
(5)对步骤(4)中均质后的所述乳状液进行喷雾干燥,进风温度为130℃,出风温度为80℃,得到低聚肽紫苏籽油微胶囊。
实施例2
一种低聚肽紫苏籽油微胶囊的制备方法,包括步骤:
(1)将50份辛烯基琥珀酸淀粉钠、50份大豆多糖、50份阿拉伯胶、150份酪蛋白酸钠、50份大豆分离蛋白加入至1700份热水中,热水温度为50℃,高速搅拌使之完全溶解,形成第一水相;
(2)将20份玉米低聚肽加入至第一水相中,高速搅拌使玉米低聚肽溶解于第一水相中,得到第二水相;
(3)称取350份紫苏籽油,即油相,用高速剪切机对第二水相进行高速剪切,剪切速率为14000rpm,并缓慢于第二水相中加入紫苏籽油,在油相完全加 入后,保持剪切15min,得到乳状液;
(4)采用高压均质机对乳状液于40℃均质3次,均质压力为50Mpa。
(5)对步骤(4)中均质后的所述乳状液进行喷雾干燥,进风温度为150℃,出风温度为90℃,得到低聚肽紫苏籽油微胶囊。
实施例3
一种低聚肽紫苏籽油微胶囊的制备方法,包括步骤:
(1)将50份辛烯基琥珀酸淀粉钠、50份大豆多糖、100份阿拉伯胶、50份酪蛋白酸钠、50份大豆分离蛋白加入至2000份热水中,热水温度为60℃,高速搅拌使之完全溶解,形成第一水相;
(2)将25份玉米低聚肽加入至第一水相中,高速搅拌使玉米低聚肽溶解于第一水相中,得到第二水相;
(3)称取300份紫苏籽油,即油相,用高速剪切机对第二水相进行高速剪切,剪切速率为18000rpm,并缓慢于第二水相中加入紫苏籽油,在油相完全加入后,保持剪切20min,得到乳状液;
(4)采用高压均质机对乳状液于50℃均质3次,均质压力为40Mpa。
(5)对步骤(4)中均质后的所述乳状液进行喷雾干燥,进风温度为170℃,出风温度为100℃,得到低聚肽紫苏籽油微胶囊。
实施例4
一种低聚肽紫苏籽油微胶囊的制备方法,包括步骤:
(1)将50份辛烯基琥珀酸淀粉钠、50份大豆多糖、50份阿拉伯胶、50份酪蛋白酸钠、100份大豆分离蛋白加入至1800份热水中,热水温度为60℃,高速搅拌使之完全溶解,形成第一水相;
(2)将8份玉米低聚肽加入至第一水相中,高速搅拌使玉米低聚肽溶解于第一水相中,得到第二水相;
(3)称取300份紫苏籽油,即油相,用高速剪切机对第二水相进行高速剪切,剪切速率为20000rpm,并缓慢于第二水相中加入紫苏籽油,在油相完全加 入后,保持剪切20min,得到乳状液;
(4)采用高压均质机对乳状液于50℃均质3次,均质压力为40Mpa。
(5)对步骤(4)中均质后的所述乳状液进行喷雾干燥,进风温度为170℃,出风温度为100℃,得到低聚肽紫苏籽油微胶囊。
实施例5
一种低聚肽紫苏籽油微胶囊的制备方法,包括步骤:
(1)将50份辛烯基琥珀酸淀粉钠、100份大豆多糖、50份阿拉伯胶、50份酪蛋白酸钠、50份大豆分离蛋白加入至1700份热水中,热水温度为50℃,高速搅拌使之完全溶解,形成第一水相;
(2)将10份玉米低聚肽加入至第一水相中,高速搅拌使玉米低聚肽溶解于第一水相中,得到第二水相;
(3)称取300份紫苏籽油,即油相,用高速剪切机对第二水相进行高速剪切,剪切速率为15000rpm,并缓慢于第二水相中加入紫苏籽油,在油相完全加入后,保持剪切16min,得到乳状液;
(4)采用高压均质机对乳状液于50℃均质5次,均质压力为50Mpa。
(5)对步骤(4)中均质后的所述乳状液进行喷雾干燥,进风温度为150℃,出风温度为100℃,得到低聚肽紫苏籽油微胶囊。
实施例6
一种低聚肽紫苏籽油微胶囊的制备方法,包括步骤:
(1)将100份辛烯基琥珀酸淀粉钠、50份大豆多糖、50份阿拉伯胶、50份酪蛋白酸钠、50份大豆分离蛋白加入至1600份热水中,热水温度为50℃,高速搅拌使之完全溶解,形成第一水相;
(2)将20份玉米低聚肽加入至第一水相中,高速搅拌使玉米低聚肽溶解于第一水相中,得到第二水相;
(3)称取250份紫苏籽油,即油相,用高速剪切机对第二水相进行高速剪切,剪切速率为13000rpm,并缓慢于第二水相中加入紫苏籽油,在油相完全加 入后,保持剪切15min,得到乳状液;
(4)采用高压均质机对乳状液于60℃均质5次,均质压力为50Mpa。
(5)对步骤(4)中均质后的所述乳状液进行喷雾干燥,进风温度为150℃,出风温度为100℃,得到低聚肽紫苏籽油微胶囊。
对比例1
一种紫苏籽油微胶囊的制备方法,包括步骤:
(1)将150份辛烯基琥珀酸淀粉钠、50份大豆多糖、50份阿拉伯胶、50份酪蛋白酸钠、50份大豆分离蛋白加入至2000份热水中,热水温度为40℃,高速搅拌使之完全溶解,形成水相;
(2)称取350份紫苏籽油,即油相,用高速剪切机对水相进行高速剪切,剪切速率为10000rpm,并缓慢于水相中加入紫苏籽油,在油相完全加入后,保持剪切10min,得到乳状液;
(3)采用高压均质机对乳状液于30℃均质4次,均质压力为30Mpa。
(4)对步骤(3)中均质后的所述乳状液进行喷雾干燥,进风温度为130℃,出风温度为80℃,得到紫苏籽油微胶囊。
对比例2
一种紫苏籽油微胶囊的制备方法,包括步骤:
(1)将50份辛烯基琥珀酸淀粉钠、50份大豆多糖、50份阿拉伯胶、150份酪蛋白酸钠、50份大豆分离蛋白加入至1700份热水中,热水温度为50℃,高速搅拌使之完全溶解,形成水相;
(2)称取350份紫苏籽油,即油相,用高速剪切机对水相进行高速剪切,剪切速率为14000rpm,并缓慢于水相中加入紫苏籽油,在油相完全加入后,保持剪切15min,得到乳状液;
(3)采用高压均质机对乳状液于40℃均质3次,均质压力为50Mpa。
(4)对步骤(3)中均质后的所述乳状液进行喷雾干燥,进风温度为150℃,出风温度为90℃,得到紫苏籽油微胶囊。
对比例3
一种紫苏籽油微胶囊的制备方法,包括步骤:
(1)将50份辛烯基琥珀酸淀粉钠、50份大豆多糖、100份阿拉伯胶、50份酪蛋白酸钠、50份大豆分离蛋白加入至2000份热水中,热水温度为60℃,高速搅拌使之完全溶解,形成水相;
(2)称取300份紫苏籽油,即油相,用高速剪切机对水相进行高速剪切,剪切速率为18000rpm,并缓慢于水相中加入紫苏籽油,在油相完全加入后,保持剪切20min,得到乳状液;
(3)采用高压均质机对乳状液于50℃均质3次,均质压力为40Mpa。
(4)对步骤(3)中均质后的所述乳状液进行喷雾干燥,进风温度为170℃,出风温度为100℃,得到紫苏籽油微胶囊。
对比例4
一种紫苏籽油微胶囊的制备方法,包括步骤:
(1)将50份辛烯基琥珀酸淀粉钠、50份大豆多糖、50份阿拉伯胶、50份酪蛋白酸钠、100份大豆分离蛋白加入至1800份热水中,热水温度为60℃,高速搅拌使之完全溶解,形成水相;
(2)称取300份紫苏籽油,即油相,用高速剪切机对水相进行高速剪切,剪切速率为20000rpm,并缓慢于水相中加入紫苏籽油,在油相完全加入后,保持剪切20min,得到乳状液;
(3)采用高压均质机对乳状液于50℃均质3次,均质压力为40Mpa。
(4)对步骤(3)中均质后的所述乳状液进行喷雾干燥,进风温度为170℃,出风温度为100℃,得到紫苏籽油微胶囊。
对比例5
一种紫苏籽油微胶囊的制备方法,包括步骤:
(1)将50份辛烯基琥珀酸淀粉钠、100份大豆多糖、50份阿拉伯胶、50 份酪蛋白酸钠、50份大豆分离蛋白加入至1700份热水中,热水温度为50℃,高速搅拌使之完全溶解,形成水相;
(2)称取300份紫苏籽油,即油相,用高速剪切机对水相进行高速剪切,剪切速率为15000rpm,并缓慢于水相中加入紫苏籽油,在油相完全加入后,保持剪切16min,得到乳状液;
(3)采用高压均质机对乳状液于50℃均质5次,均质压力为50Mpa。
(4)对步骤(3)中均质后的所述乳状液进行喷雾干燥,进风温度为150℃,出风温度为100℃,得到紫苏籽油微胶囊。
对比例6
一种紫苏籽油微胶囊的制备方法,包括步骤:
(1)将50份辛烯基琥珀酸淀粉钠、50份大豆多糖、50份阿拉伯胶、50份酪蛋白酸钠、50份大豆分离蛋白加入至1600份热水中,热水温度为50℃,高速搅拌使之完全溶解,形成水相;
(2)称取250份紫苏籽油,即油相,用高速剪切机对水相进行高速剪切,剪切速率为13000rpm,并缓慢于水相中加入紫苏籽油,在油相完全加入后,保持剪切15min,得到乳状液;
(3)采用高压均质机对乳状液于60℃均质5次,均质压力为50Mpa。
(4)对步骤(3)中均质后的所述乳状液进行喷雾干燥,进风温度为150℃,出风温度为100℃,得到紫苏籽油微胶囊。
将实施例1~6和对比例1-6制得的紫苏籽油微胶囊进行表面油含量检测和乳状液粒径分布,其检测数据如表1所示。同时,采用SEM扫描电子显微镜(SEM)表征实施例1~6的紫苏籽油微胶囊的表面结构形态,SEM图参考图1-图6。
微胶囊产品表面油测定方法:准确称取质量(m)约5g的玉米低聚肽紫苏籽油微胶囊于锥形瓶中,加入15mL石油醚(沸程30~60℃),充分振荡2min后过滤,滤液转入恒重(m 1)的脂肪瓶,再用5mL石油醚洗涤两次锥形瓶,滤液合并,蒸馏并回收石油醚后,将脂肪瓶放置于70℃;烘箱中烘至恒重(m 2)。 计算公式如下:表面油含量=(m 2-m 1)/(m)×100%。表面油含量指未被包埋而存在于微胶囊表面的油脂的质量。表面油含量越少,说明油脂被包埋的效果越好。
采用激光粒度分析仪对乳状液的粒度进行测定,采用湿法测量模式。
表1实施例1~6和对比例1-6制得的紫苏籽油微胶囊测试结果
试验组 表面油含量(%) 乳状液粒径分布(μm)
实施例1 2.90 518.30±10.60
实施例2 5.29 440.30±9.33
实施例3 8.91 300±10.30
实施例4 12.91 490.15±3.32
实施例5 18.28 349.67±5.84
实施例6 4.88 511.40±13.58
对比例1 3.10 412.53±5.76
对比例2 5.73 482.80±9.65
对比例3 13.62 289.47±16.45
对比例4 20.92 389.3±12.44
对比例5 21.57 276.75±4.74
对比例6 5.21 416.55±9.12
通过实施例1~6及对比例1-6的测试数据可看出,本申请低聚肽紫苏籽油微胶囊的制备方法制得的低聚肽紫苏籽油微胶囊,具有更低的表面油含量,其包埋效果好。
图1-图6分别为本申请实施例1-6紫苏籽油微胶囊电镜图(放大倍数3600倍),可见,本申请的低聚肽紫苏籽油微胶囊产品主要呈球形,颗粒大小不一,一些微小胶囊颗粒粘附在大颗粒表面,除个别颗粒表面出现孔洞外,其他颗粒表面连续、致密,无裂缝和孔隙,说明微胶囊产品具有较好的完整性和致密性,可有效降低氧气与芯材的接触,防止油脂氧化。
应当指出,以上具体实施方式仅用于说明本申请而不用于限制本申请的范围,在阅读了本申请之后,本领域技术人员对本申请的各种等价形式的修改均落入本申请所附权利要求限定的范围。

Claims (10)

  1. 一种低聚肽紫苏籽油微胶囊的制备方法,其特征在于,包括步骤:
    (1)将50-150份变性淀粉、50-150份大豆多糖、50-150份阿拉伯胶、50-150份酪蛋白酸钠、50-150份大豆分离蛋白加入至一定温度的水中,搅拌溶解,形成第一水相;
    (2)将5-50份低聚肽加入至所述第一水相中,搅拌溶解,得到第二水相;
    (3)将所述第二水相进行剪切,并加入50-750份紫苏籽油,得到乳状液;
    (4)将所述乳状液进行均质;
    (5)对步骤(4)中均质后的所述乳状液进行喷雾干燥,得到低聚肽紫苏籽油微胶囊。
  2. 根据权利要求1所述的低聚肽紫苏籽油微胶囊的制备方法,其特征在于,所述变性淀粉、所述大豆多糖、所述阿拉伯胶、所述酪蛋白酸钠、所述大豆分离蛋白的质量总和与所述水的质量比为1:3-15。
  3. 根据权利要求1所述的低聚肽紫苏籽油微胶囊的制备方法,其特征在于,所述低聚肽选自玉米低聚肽、海洋鱼低聚肽、小麦低聚肽中的至少一种。
  4. 根据权利要求1所述的低聚肽紫苏籽油微胶囊的制备方法,其特征在于,步骤(3)中,剪切速率为10000rpm-20000rpm。
  5. 根据权利要求1所述的低聚肽紫苏籽油微胶囊的制备方法,其特征在于,步骤(3)中,剪切时间为10-20min。
  6. 根据权利要求1所述的低聚肽紫苏籽油微胶囊的制备方法,其特征在于,步骤(4)中,采用高压均质机对所述乳状液于30-60℃均质3-5次。
  7. 根据权利要求1所述的低聚肽紫苏籽油微胶囊的制备方法,其特征在于,步骤(4)中,均质压力为30-50Mpa。
  8. 根据权利要求1所述的低聚肽紫苏籽油微胶囊的制备方法,其特征在于,步骤(5)的均喷雾干燥中,进风温度为130-170℃,出风温度为75-100℃。
  9. 根据权利要求1所述的低聚肽紫苏籽油微胶囊的制备方法,其特征在于,所述变性淀粉选自辛烯基琥珀酸淀粉钠。
  10. 一种低聚肽紫苏籽油微胶囊,其特征在于,采用权利要求1-9任意项所述的低聚肽紫苏籽油微胶囊的制备方法制得。
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