CN107365292A - 一种稳定胡椒醛成品色泽的处理方法 - Google Patents
一种稳定胡椒醛成品色泽的处理方法 Download PDFInfo
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Abstract
本发明涉及一种稳定胡椒醛成品色泽的处理方法,具体步骤为:量取配方量的溶剂于搅拌容器中,加入抗氧化剂,搅拌、溶解;加入胡椒醛粗品,升温至40‑80℃,搅拌1小时;降温至20℃,过滤,干燥,得白色胡椒醛成品。通过加入适当的溶剂及抗氧化剂,于优选的温度条件下,在精制胡椒醛时,避免了醛基的氧化及色变,保证了胡椒醛产品的品质。
Description
技术领域
本发明涉及一种稳定胡椒醛成品色泽的处理方法,属于医药化工领域。
背景技术
胡椒醛,又名洋茉莉醛,广泛应用于各类日用化妆品香精、食用香精中,并且在医药、农药、电镀等行业也有广泛的应用。
在胡椒醛的结构中含有醛基,醛基易被氧化,胡椒醛制备不当,刚制备好的胡椒醛色泽为白色,久置发生氧化后,色变,颜色由白色逐渐变成黄色,纯度降低,香气也发生变化,不再纯正,不再适合用于香料。
发明内容
本发明的目的是提供一种稳定胡椒醛成品色泽的处理方法,采用添加抗氧化剂精制,可有效防止胡椒醛氧化、色变。
为实现上述目的,本发明的技术方案为:
一种稳定胡椒醛成品色泽的处理方法,具体步骤为:
(1)量取配方量的溶剂于搅拌容器中,加入抗氧化剂,搅拌、溶解;
(2)加入胡椒醛粗品,升温至40-80℃,搅拌1小时;
(3)降温至20℃,过滤,干燥,得白色胡椒醛成品。
所述的溶剂为甲醇、乙醇、丙醇、异丙醇、正丁醇、异丁醇中的一种或多种,优选乙醇。
所述的抗氧化剂为维生素C、次磷酸钠、亚硫酸氢钠中的一种或多种组合,优选维生素C。
所述的溶剂与胡椒醛粗品的体积质量比为2-10∶1,优选5-6∶1。
所述的抗氧化剂与胡椒醛粗品的质量比为0.5-2∶100。
本发明一种稳定胡椒醛成品色泽的处理方法,通过加入适当的溶剂及抗氧化剂,于优选的温度条件下,在精制胡椒醛时,避免了醛基的氧化及色变,保证了胡椒醛产品的品质。
具体实施方式
下列实施方案,仅是举例说明,不是仅有的,所以,一切在本发明范围内或是作与本发明相似的改变均包含于本发明之内。
实施例1:
一种稳定胡椒醛成品色泽的处理方法,具体步骤为:
(1)量取配方量的溶剂乙醇600mL于搅拌容器中,加入2g抗氧化剂维生素C,搅拌、溶解;
(2)加入100g胡椒醛粗品,升温至60℃,搅拌1小时;
(3)降温至20℃,过滤,干燥,得白色胡椒醛成品90g。
实施例2:
一种稳定胡椒醛成品色泽的处理方法,具体步骤为:
(1)量取配方量的溶剂乙醇500mL于搅拌容器中,加入1g抗氧化剂维生素C,搅拌、溶解;
(2)加入100g胡椒醛粗品,升温至50℃,搅拌1小时;
(3)降温至20℃,过滤,干燥,得白色胡椒醛成品92g。
实施例3:
一种稳定胡椒醛成品色泽的处理方法,具体步骤为:
(1)量取配方量的溶剂乙醇400mL于搅拌容器中,加入0.5g抗氧化剂维生素C,搅拌、溶解;
(2)加入100g胡椒醛粗品,升温至40℃,搅拌1小时;
(3)降温至20℃,过滤,干燥,得白色胡椒醛成品95g。
实施例4:
一种稳定胡椒醛成品色泽的处理方法,具体步骤为:
(1)量取配方量的溶剂异丙醇200mL于搅拌容器中,加入0.5g抗氧化剂次磷酸钠,搅拌、溶解;
(2)加入100g胡椒醛粗品,升温至80℃,搅拌1小时;
(3)降温至20℃,过滤,干燥,得白色胡椒醛成品93g。
实施例5:
一种稳定胡椒醛成品色泽的处理方法,具体步骤为:
(1)量取配方量的溶剂甲醇500mL、异丁醇500mL于搅拌容器中,加入1g抗氧化剂亚硫酸氢钠,搅拌、溶解;
(2)加入100g胡椒醛粗品,升温至70℃,搅拌1小时;
(3)降温至20℃,过滤,干燥,得白色胡椒醛成品94g。
实施例6:
一种稳定胡椒醛成品色泽的处理方法,具体步骤为:
(1)量取配方量的溶剂乙醇400mL、异丙醇400mL于搅拌容器中,加入抗氧化剂亚硫酸氢钠、维生素C各1g,搅拌、溶解;
(2)加入100g胡椒醛粗品,升温至60℃,搅拌1小时;
(3)降温至20℃,过滤,干燥,得白色胡椒醛成品95g。
Claims (6)
1.一种稳定胡椒醛成品色泽的处理方法,具体步骤为:
(1)量取配方量的溶剂于搅拌容器中,加入抗氧化剂,搅拌、溶解;
(2)加入胡椒醛粗品,升温至40-80℃,搅拌1小时;
(3)降温至20℃,过滤,干燥,得白色胡椒醛成品。
2.根据权利要求1所述的一种稳定胡椒醛成品色泽的处理方法,其特征在于:所述的溶剂为甲醇、乙醇、丙醇、异丙醇、正丁醇、异丁醇中的一种或多种,优选乙醇。
3.根据权利要求1所述的一种稳定胡椒醛成品色泽的处理方法,其特征在于:所述的抗氧化剂为维生素C、次磷酸钠、亚硫酸氢钠中的一种或多种组合,优选维生素C。
4.根据权利要求1所述的一种稳定胡椒醛成品色泽的处理方法,其特征在于:所述的溶剂与胡椒醛粗品的体积质量比为2-10∶1。
5.根据权利要求4所述的一种稳定胡椒醛成品色泽的处理方法,其特征在于:所述的溶剂与胡椒醛粗品的体积质量比为5-6∶1。
6.根据权利要求1所述的一种稳定胡椒醛成品色泽的处理方法,其特征在于:所述的抗氧化剂与胡椒醛粗品的质量比为0.5-2∶100。
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CN114907308A (zh) * | 2022-06-09 | 2022-08-16 | 河北海力香料股份有限公司 | 一种3,4-亚甲二氧基苯甲醛的精制方法 |
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CN114907308A (zh) * | 2022-06-09 | 2022-08-16 | 河北海力香料股份有限公司 | 一种3,4-亚甲二氧基苯甲醛的精制方法 |
CN114907308B (zh) * | 2022-06-09 | 2023-08-29 | 河北海力恒远新材料股份有限公司 | 一种3,4-亚甲二氧基苯甲醛的精制方法 |
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