CN111592934A - 一种茉莉缓释香精及其制备方法 - Google Patents
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- 235000010254 Jasminum officinale Nutrition 0.000 title claims abstract description 46
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- GDSRMADSINPKSL-HSEONFRVSA-N gamma-cyclodextrin Chemical group OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO GDSRMADSINPKSL-HSEONFRVSA-N 0.000 claims abstract description 21
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Abstract
本发明公开了一种茉莉缓释香精及其制备方法。所述茉莉缓释香精为片状，该片状结构的壁材为γ‑环糊精，芯材为茉莉香精。制备方法为：将γ‑环糊精溶解于去离子水中，搅拌直至γ‑环糊精全部溶解，形成水相；将茉莉香精溶解于乳化剂中，搅拌形成油相；向水相中加入油相，持续搅拌，使油相与水相充分混合，形成均一稳定的乳液，即茉莉缓释香精。采用本发明的方法所得到的茉莉缓释香精粒径分布均匀，其步骤简单可行，缓释效果良好。
Description
技术领域
本发明属于化工领域，涉及一种茉莉缓释香精的制备方法，具体涉及一种以γ-环糊精为壁材、茉莉香精为芯材的缓释香精的制备方法。
背景技术
环糊精分子略呈锥形的圆环，具有外缘亲水而内腔疏水的特殊结构，使其能包埋范围广泛的客体分子，例如药物、精油、抗氧化剂、甚至惰性气体，通过疏水性相互作用力、范德华力、氢键等形成主客体包合物。而茉莉香精因其具有令人愉快的香气，能够有效掩盖异味，在食品、医药、化妆品等方面都具有广泛的应用。鉴于环糊精有上述优势，通过环糊精包埋香精能有效提高香精的溶解性，保护其挥发性成分，控制释放，提高利用率。
其中研究较多的环糊精分别是含有6、7、8个葡萄糖单元分子的α-环糊精、β-环糊精、γ-环糊精。α-环糊精含有的空腔偏小，大分子的客体无法进入空腔内，通常只能包埋较小的客体分子，应用范围较小。目前使用范围最为广泛的β-环糊精，因其本身固有的低水溶性限制了它的应用范围。而本发明所使用的γ-环糊精具有空腔大，水溶性好，负载率高的特性，能与香精中的大分子芳香化合物形成稳定的包合物。
发明内容
本发明所要解决的技术问题是：香精中大分子芳香化合物无法被包埋的问题；其次是环糊精包埋香精负载率低的问题。
为了解决上述技术问题，本发明提供了一种茉莉缓释香精，其特征在于，所述茉莉缓释香精为片状，该片状结构的壁材为γ-环糊精，芯材为茉莉香精。
优选地，所述茉莉缓释香精的原料包括以下以质量百分比计的组份：
更优选地，所述的乳化剂为非离子型表面活性剂吐温20。
本发明还提供了上述茉莉缓释香精的制备方法，其特征在于，包括以下步骤：
步骤1)：将γ-环糊精溶解于去离子水中，搅拌直至γ-环糊精全部溶解，形成水相；
步骤2)：将茉莉香精溶解于乳化剂中，搅拌形成油相；
步骤3)：向步骤1)所得的水相中加入步骤2)所得的油相，持续搅拌，使油相与水相充分混合，形成均一稳定的乳液，即茉莉缓释香精。
优选地，所述步骤1)、步骤2)中搅拌的速度均为500r/min；步骤3)中搅拌的速度为300r/min。
采用本发明的方法所得到的茉莉缓释香精粒径分布均匀，其步骤简单可行，缓释效果良好。经动态激光光散射仪测试。
附图说明
图1为实施例1制备的茉莉缓释香精的扫描电镜图；
图2为实施例1制备的茉莉缓释香精通过动态激光光散射仪测试的粒径。
具体实施方式
为使本发明更明显易懂，兹以优选实施例，并配合附图作详细说明如下。
实施例1
一种茉莉缓释香精的制备方法，包括以下步骤：
按质量百分比计算，其原料的组成及含量如下：
1)按比例精确称取γ-环糊精和去离子水置于烧杯中，在电动搅拌器作用下搅拌30分钟，使γ-环糊精粉末完全溶解，制得水相；
2)按比例精确称取茉莉香精和吐温20置于烧杯中，在电动搅拌器作用下搅拌10分钟，使其完全互溶，制得油相；
3)将油相加入至水相，水、油两相混合液在电动搅拌器作用下搅拌30分钟，形成均一稳定的乳液，即得到了茉莉缓释香精。
所得茉莉缓释香精如图1所示，为片状。由图2可见，其平均粒径为109.1nm，粒度分布系数为0.252。
实施例2
一种茉莉缓释香精的制备方法，包括以下步骤：
按质量百分比计算，其原料的组成及含量如下：
1)按比例精确称取γ-环糊精和去离子水置于烧杯中，在电动搅拌器作用下搅拌30分钟，使γ-环糊精粉末完全溶解，制得水相；
2)按比例精确称取茉莉香精和吐温20置于烧杯中，在电动搅拌器作用下搅拌10分钟，使其完全互溶，制得油相；
3)将油相加入至水相，水、油两相混合液在电动搅拌器作用下搅拌30分钟，形成均一稳定的乳液，即得到了茉莉缓释香精。
实施例3
一种茉莉缓释香精的制备方法，包括以下步骤：
按质量百分比计算，其原料的组成及含量如下：
1)按比例精确称取γ-环糊精和去离子水置于烧杯中，在电动搅拌器作用下搅拌30分钟，使γ-环糊精粉末完全溶解，制得水相；
2)按比例精确称取茉莉香精和吐温20置于烧杯中，在电动搅拌器作用下搅拌10分钟，使其完全互溶，制得油相；
3)将油相加入至水相，水、油两相混合液在电动搅拌器作用下搅拌30分钟，形成均一稳定的乳液，即得到了茉莉缓释香精。
Claims (5)
1.一种茉莉缓释香精，其特征在于，所述茉莉缓释香精为片状，该片状结构的壁材为γ-环糊精，芯材为茉莉香精。
2.如权利要求1所述的茉莉缓释香精，其特征在于，所述茉莉缓释香精的原料包括以下以质量百分比计的组份：
3.如权利要求2所述的茉莉缓释香精，其特征在于，所述的乳化剂为非离子型表面活性剂吐温20。
4.权利要求1-3任意一项所述的茉莉缓释香精的制备方法，其特征在于，包括以下步骤：
步骤1)：将γ-环糊精溶解于去离子水中，搅拌直至γ-环糊精全部溶解，形成水相；
步骤2)：将茉莉香精溶解于乳化剂中，搅拌形成油相；
步骤3)：向步骤1)所得的水相中加入步骤2)所得的油相，持续搅拌，使油相与水相充分混合，形成均一稳定的乳液，即茉莉缓释香精。
5.如权利要求4所述的茉莉香精缓释香精的制备方法，其特征在于，所述步骤1)、步骤2)中搅拌的速度均为500r/min；步骤3)中搅拌的速度为300r/min。
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| WO2022199653A1 (zh) * | 2021-03-26 | 2022-09-29 | 江南大学 | 一种桉油精乳液的制备方法及其在生物农药的应用 |
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| US20090227690A1 (en) * | 2004-09-27 | 2009-09-10 | Cargill, Incorporated | Cyclodextrin Inclusion Complexes and Methods of Preparing Same |
| CN102776068A (zh) * | 2012-08-15 | 2012-11-14 | 上海应用技术学院 | 一种膏状微胶囊玫瑰香精及其制备方法 |
| CN111117769A (zh) * | 2020-01-13 | 2020-05-08 | 上海应用技术大学 | 一种纳米级Pickering乳液香精及其制备方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090227690A1 (en) * | 2004-09-27 | 2009-09-10 | Cargill, Incorporated | Cyclodextrin Inclusion Complexes and Methods of Preparing Same |
| CN102776068A (zh) * | 2012-08-15 | 2012-11-14 | 上海应用技术学院 | 一种膏状微胶囊玫瑰香精及其制备方法 |
| CN111117769A (zh) * | 2020-01-13 | 2020-05-08 | 上海应用技术大学 | 一种纳米级Pickering乳液香精及其制备方法 |
Non-Patent Citations (1)
| Title |
|---|
| ZUOBING XIAO等: "Encapsulation and sustained release properties of watermelon flavor and its characteristic aroma compounds from γ-cyclodextrin inclusion complexes", 《FOOD HYDROCOLLOIDS》, vol. 97, 29 June 2019 (2019-06-29), pages 2, XP085765467, DOI: 10.1016/j.foodhyd.2019.105202 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022199653A1 (zh) * | 2021-03-26 | 2022-09-29 | 江南大学 | 一种桉油精乳液的制备方法及其在生物农药的应用 |
| US11980186B2 (en) | 2021-03-26 | 2024-05-14 | Jiangnan University | Preparation method of eucalyptol emulsion and application thereof in biopesticides |
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