CN110156593A - 一种利用玫瑰果油制备亚麻酸的方法及亚麻酸的应用 - Google Patents
一种利用玫瑰果油制备亚麻酸的方法及亚麻酸的应用 Download PDFInfo
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- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 claims abstract description 23
- 235000020661 alpha-linolenic acid Nutrition 0.000 claims abstract description 23
- 229960004488 linolenic acid Drugs 0.000 claims abstract description 23
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 claims abstract description 23
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Abstract
本发明提供一种利用玫瑰果油制备亚麻酸的方法,包括步骤:S1:将亚麻酸含量为30‑70%的玫瑰果油和氨水按照玫瑰果油:氨水=1:(1‑3)的质量比混合,然后加入添加量为反应物总重量0.5‑5%的强碱,在55‑80℃下反应1‑10h;S2:加入添加量为反应物总重量0.005‑5%的抗氧化剂,搅拌均匀;S3:在80‑120℃条件下减压蒸馏得到蒸馏馏分液并除去氨气;S4:将馏分液降至室温,然后转移至无氧环境下加入添加量为馏分液总重量10‑20%的除氧纯水,搅拌均匀后;S5:静置1‑3h,取上层澄清液;S6:将上层澄清液进行分子蒸馏得到亚麻酸油。玫瑰果油与氨水按特定比例混合后,在强碱催化剂条件进行皂化,生成亚麻酸的铵盐,然后在抗氧化剂的保护下受热分解,得到浓度高且储存期大于一年的亚麻酸。
Description
技术领域
本发明涉及原料加工技术领域,尤其是指一种利用玫瑰果油制备亚麻酸的方法及亚麻酸的应用。
背景技术
玫瑰果是蔷薇属植物。由玫瑰果加工而成的植物油脂,称为玫瑰果油。在国外统称为Rosehipoil。在2015版《已使用化妆品原料目录中》与其对应的名称是狗牙蔷薇(ROSACANINA)果油。其它被俗称的“玫瑰果油”均不在《已使用化妆品原料目录中》,即原则上在化妆品配方中不能使用。狗牙蔷薇(ROSA CANINA)果,或者说玫瑰果具有“亚麻酸之王”的称谓。亚麻酸在食品和医药领域都有着非常重要的应用。在皮肤科中以多种功效而备受称赞。其一因其是脂肪酸具有抗衰老和祛斑功效,其二因其不饱和键而具有抗炎和抗敏的功效。因而,亚麻酸从这个角度来说,可以称之为化妆品功效之王。如果能从玫瑰果油中提取出来后再应用到化妆品,能将具有抗衰老、祛斑、修护肌肤、抗过敏功效的化妆品的研究推向新高度。但因其三重不饱和共轭建的存在,提取过程以及提取出来后,亚麻酸很容易被氧化,即保质期极短,使亚麻酸的提取、制备以及应用受到极大的限制。
发明内容
本发明所要解决的技术问题是:利用玫瑰果油制备浓度高且保质期长的亚麻酸。
为了解决上述技术问题,本发明采用的技术方案为:一种利用玫瑰果油制备亚麻酸的方法,包括步骤:
S1:将亚麻酸含量为30-70%的玫瑰果油和氨水按照玫瑰果油:氨水=1:(1-3)的质量比混合,然后加入添加量为反应物总重量0.5-5%的强碱,在55-80℃下反应1-10h;
S2:加入添加量为反应物总重量0.005-5%的抗氧化剂,搅拌均匀;
S3:在80-120℃条件下减压蒸馏得到蒸馏馏分液并除去氨气;
S4:将馏分液降至室温,然后转移至无氧环境下加入添加量为馏分液总重量10-20%的除氧纯水,搅拌均匀后;
S5:静置1-3h,取上层澄清液;
S6:将上层澄清液进行分子蒸馏得到亚麻酸油。
进一步的,在所述步骤S5中还包括:往上层澄清液中加入添加量为上层澄清液总重量10-30%的中性脱水剂,搅拌均匀;静置1-3h,再次取上层澄清液。
进一步的,在所述步骤S1中,所述强碱的添加量为反应物总质量的2.5-5%,所述强碱为苛性钠、苛性钾、醇钾或醇钠中的一种。
进一步的,在所述步骤S2中,所述抗氧化剂的添加量为反应物总质量的2.5-5%,所述抗氧化剂为食品级、药品级或高分子塑料领域用的抗氧化剂。
进一步的,在所述步骤S2中,所述抗氧化剂为迷迭香提取物或2,6-二叔丁基-4-甲基苯酚。
进一步的,在所述步骤S3中,所述减压蒸馏时间为1-10h,压力为-0.05MPa--0.1MPa。
进一步的,在所述步骤S4中,通过保持高真空或充惰性气体的方式形成无氧环境;所述除氧纯水的添加量为馏分液总质量的15-20%;搅拌均匀后除去强碱。
进一步的,在所述步骤S5中,所述中性脱水剂的添加量为上层澄清液总重量的20-25%,所述中性脱水剂为无水硫酸钙、无水硫酸铜、氧化铝、沸石、分子筛中的一种或多种。
进一步的,在所述步骤S1中,所述玫瑰果油亚麻酸含量为40%-60%。
一种亚麻酸的应用,应用于食品或化妆品或药品中。
本发明的有益效果在于:玫瑰果油与氨水按特定比例混合后,在强碱催化剂条件进行皂化,生成亚麻酸的铵盐,然后在抗氧化剂的保护下受热分解,得到亚麻酸。通过上述制备方法制得的亚麻酸,浓度高且储存期大于一年,能应用到化妆品中。
具体实施方式
本发明最关键的构思在于:玫瑰果油与氨水混合后,在强碱催化剂条件进行皂化,生成亚麻酸的铵盐,然后受热分解,得到亚麻酸。
为论述本发明构思的可行性,下面根据本发明的技术内容、构造特征、所实现目的及效果,以下结合实施方式详予说明。
实施例1
一种利用玫瑰果油制备亚麻酸的方法,包括步骤:
S1:将含有30%亚麻酸的玫瑰果油和氨水按照玫瑰果油:氨水=1:1的质量比混合,然后加入添加量为反应物总质量0.5%的苛性钠,在55℃下反应1h;
S2:加入添加量为反应物总质量0.005%的迷迭香提取物,搅拌均匀;
S3:在80℃和-0.05MPa条件下减压蒸馏1h得到蒸馏馏分液并除去氨气;
S4:将馏分液降至室温,然后转移至高真空环境下加入添加量为馏分液总质量10%的除氧纯水,搅拌均匀后除去苛性钠;
S5:静置1h,取上层澄清液;往上层澄清液中加入添加量为上层澄清液总重量的20%的无水硫酸钙,搅拌均匀;静置1h,再次取上层澄清液;
S6:将上层澄清液进行分子蒸馏得到亚麻酸油。
实施例2
一种利用玫瑰果油制备亚麻酸的方法,包括步骤:
S1:将含有50%亚麻酸的玫瑰果油和氨水按照玫瑰果油:氨水=1:2的质量比混合,然后加入添加量为反应物总质量2.5%的苛性钾,在70℃下反应5h;
S2:加入添加量为反应物总质量2.5%的迷迭香提取物,搅拌均匀;
S3:在100℃和-0.75MPa条件下减压蒸馏5h得到蒸馏馏分液并除去氨气;
S4:将馏分液降至室温,然后转移至充氮气环境下加入添加量为馏分液总质量15%的除氧纯水,搅拌均匀后除去苛性钾;
S5:静置2h,取上层澄清液;往上层澄清液中加入添加量为上层澄清液总重量的25%的无水硫酸铜,搅拌均匀;静置2h,再次取上层澄清液;
S6:将上层澄清液进行分子蒸馏得到亚麻酸油。
实施例3
一种利用玫瑰果油制备亚麻酸的方法,包括步骤:
S1:将含有70%亚麻酸的玫瑰果油和氨水按照玫瑰果油:氨水=1:3的质量比混合,然后加入添加量为反应物总质量5%的乙醇钾,在80℃下反应10h;
S2:加入添加量为反应物总质量5%的2,6-二叔丁基-4-甲基苯酚,搅拌均匀;
S3:在120℃和-0.1MPa条件下减压蒸馏10h得到蒸馏馏分液并除去氨气;
S4:将馏分液降至室温,然后转移至充氦气环境下加入添加量为馏分液总质量20%的除氧纯水,搅拌均匀后除去乙醇钾;
S5:静置3h,取上层澄清液;往上层澄清液中加入添加量为上层澄清液总重量的30%的氧化铝,搅拌均匀;静置3h,再次取上层澄清液;
S6:将上层澄清液进行分子蒸馏得到亚麻酸油。
实施例4
一种利用玫瑰果油制备亚麻酸的方法,包括步骤:
S1:将含有40%亚麻酸的玫瑰果油和氨水按照玫瑰果油:氨水=1:3的质量比混合,然后加入添加量为反应物总质量5%的乙醇钠,在80℃下反应10h;
S2:加入添加量为反应物总质量5%的2,6-二叔丁基-4-甲基苯酚,搅拌均匀;
S3:在120℃和-0.1MPa条件下减压蒸馏10h得到蒸馏馏分液并除去氨气;
S4:将馏分液降至室温,然后转移至充氩气的环境下加入添加量为馏分液总质量10-20%的除氧纯水,搅拌均匀后除去乙醇钠;
S5:静置3h,取上层澄清液;往上层澄清液中加入添加量为上层澄清液总重量的10%的分子筛,搅拌均匀;静置3h,再次取上层澄清液;
S6:将上层澄清液进行分子蒸馏得到亚麻酸油。
实施例5
一种利用玫瑰果油制备亚麻酸的方法,包括步骤:
S1:将含有60%亚麻酸的玫瑰果油和氨水按照玫瑰果油:氨水=1:2的质量比混合,然后加入添加量为反应物总质量2.5%的乙醇钾,在70℃下反应10h;
S2:加入添加量为反应物总质量5%的迷迭香提取物,搅拌均匀;
S3:在100℃和-0.1MPa条件下减压蒸馏10h得到蒸馏馏分液并除去氨气;
S4:将馏分液降至室温,然后转移至充氖气环境下加入添加量为馏分液总质量15%的除氧纯水,搅拌均匀后除去乙醇钾;
S5:静置3h,取上层澄清液;往上层澄清液中加入添加量为上层澄清液总重量的25%的沸石,搅拌均匀;静置3h,再次取上层澄清液;
S6:将上层澄清液进行分子蒸馏得到亚麻酸油。
在上述实施例1-5中,选用安第斯山脉产的玫瑰果油作为原料制备亚麻酸。在步骤S1中原料玫瑰果油与氨水在强碱的催化水解作用下发生皂化反应。在步骤S2中可根据亚麻酸的用途选用食品级、药品级或高分子塑料领域用的抗氧化剂。加入抗氧化剂,目的在于在步骤S3中加热减压蒸馏时分解得到的亚麻酸三重不饱和共轭键不会被高温氧化。在步骤S3中,利用纯水吸收蒸馏过程分离出来的氨气,氨气融入纯水中后形成氨水,可重复利用在亚麻酸的制备生产当中去,达到循环利用资料的目的,同时降低氨气排放对环境的影响。在步骤S4中必须在无氧环境下加入无氧纯水进行除强碱,否则会使得亚麻酸在制备过程发生氧化而变质。在步骤S5中加入中性脱水剂脱去制备过程带入的水分,避免亚麻酸在储存过程发生酸败反应而缩短保质期,避免引入杂质。在步骤S5中加入中性脱水剂脱去制备过程带入的水分后静置分层,应当控制除去的水分层中挥发物含量小于0.2%,否则会影响亚麻酸的产率。
将通过上述实施例1-5的制备方法制得的亚麻酸样品进行保质期测试,保质期均达到1年以上。
综上所述,本发明提供的一种利用玫瑰果油制备亚麻酸的方法,玫瑰果油与氨水按特定比例混合后,在强碱催化剂条件进行皂化,生成亚麻酸的铵盐,然后在抗氧化剂的保护下受热分解,得到亚麻酸。而制得的亚麻酸,浓度高且储存期大于一年,能应用到化妆品中。生产得到的亚麻酸,还能应用到食品或药品中。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。
Claims (10)
1.一种利用玫瑰果油制备亚麻酸的方法,其特征在于,包括步骤:
S1:将亚麻酸含量为30-70%的玫瑰果油和氨水按照玫瑰果油:氨水=1:(1-3)的质量比混合,然后加入添加量为反应物总重量0.5-5%的强碱,在55-80℃下反应1-10h;
S2:加入添加量为反应物总重量0.005-5%的抗氧化剂,搅拌均匀;
S3:在80-120℃条件下减压蒸馏得到蒸馏馏分液并除去氨气;
S4:将馏分液降至室温,然后转移至无氧环境下加入添加量为馏分液总重量10-20%的除氧纯水,搅拌均匀后;
S5:静置1-3h,取上层澄清液;
S6:将上层澄清液进行分子蒸馏得到亚麻酸油。
2.如权利要求1所述利用玫瑰果油制备亚麻酸的方法,其特征在于,在所述步骤S5中还包括:往上层澄清液中加入添加量为上层澄清液总重量10-30%的中性脱水剂,搅拌均匀;静置1-3h,再次取上层澄清液。
3.如权利要求2所述利用玫瑰果油制备亚麻酸的方法,其特征在于,在所述步骤S1中,所述强碱的添加量为反应物总质量的2.5-5%,所述强碱为苛性钠、苛性钾、醇钾或醇钠中的一种。
4.如权利要求1所述利用玫瑰果油制备亚麻酸的方法,其特征在于,在所述步骤S2中,所述抗氧化剂的添加量为反应物总质量的2.5-5%,所述抗氧化剂为食品级、药品级或高分子塑料领域用的抗氧化剂。
5.如权利要求4所述利用玫瑰果油制备亚麻酸的方法,其特征在于,在所述步骤S2中,所述抗氧化剂为迷迭香提取物或2,6-二叔丁基-4-甲基苯酚。
6.如权利要求1所述利用玫瑰果油制备亚麻酸的方法,其特征在于,在所述步骤S3中,所述减压蒸馏时间为1-10h,压力为-0.05MPa--0.1MPa。
7.如权利要求1所述利用玫瑰果油制备亚麻酸的方法,其特征在于,在所述步骤S4中,通过保持高真空或充惰性气体的方式形成无氧环境;所述除氧纯水的添加量为馏分液总质量的15-20%;搅拌均匀后除去强碱。
8.如权利要求2所述利用玫瑰果油制备亚麻酸的方法,其特征在于,在所述步骤S5中,所述中性脱水剂的添加量为上层澄清液总重量的20-25%;所述中性脱水剂为无水硫酸钙、无水硫酸铜、氧化铝、沸石、分子筛中的一种或多种。
9.如权利要求1至8任一所述利用玫瑰果油制备亚麻酸的方法,其特征在于,在所述步骤S1中,所述玫瑰果油亚麻酸含量为40%-60%。
10.一种亚麻酸的应用,其特征在于,应用于食品或化妆品或药品中。
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