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首页> 外文期刊>RSC Advances >Formulation characteristics of triacylglycerol oil-in-water emulsions loaded with ergocalciferol using microchannel emulsification
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Formulation characteristics of triacylglycerol oil-in-water emulsions loaded with ergocalciferol using microchannel emulsification

机译：微通道乳化法负载麦角钙化醇的三酰基甘油水包油乳剂的配方特性

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Ergocalciferol is one important form of vitamin D that is needed for proper functioning of the human metabolic system. The study formulates monodisperse food grade ergocalciferol loaded oil-in-water (O/W) emulsions by microchannel emulsification (MCE). The primary characterization was performed with grooved MCE, while the storage stability and encapsulating efficiency (EE) were investigated with straight-through MCE. The grooved microchannel (MC) array plate has 5 x 18 mu m MCs, while the asymmetric straight-through MC array plate consists of numerous 10 x 80 mu m microslots each connected to a 10 mu m diameter circular MC. Ergocalciferol at a concentration of 0.2-1.0% (w/w) was added to various oils and served as the dispersed phase, while the continuous phase constituted either of 1% (w/w) Tween 20, decaglycerol monolaurate (Sunsoft A-12) or beta-lactoglobulin. The primary characterization indicated successful emulsification in the presence of 1% (w/w) Tween 20 or Sunsoft A-12. The average droplet diameter increased slowly with the increasing concentration of ergocalciferol and ranged from 28.3 to 30.0 mm with a coefficient of variation below 6.0%. Straight-through MCE was conducted with 0.5% (w/w) ergocalciferol in soybean oil together with 1% (w/w) Tween 20 in Milli-Q water as the optimum dispersed and continuous phases. Monodisperse O/W emulsions with a Sauter mean diameter (d(3,2)) of 34 mm with a relative span factor of less than 0.2 were successfully obtained from straight-through MCE. The resultant oil droplets were physically stable for 15 days (d) at 4 degrees C without any significant increase in d(3,2). The monodisperse O/W emulsions exhibited an ergocalciferol EE of more than 75% during the storage period.
机译：麦角钙化固醇是维生素D的一种重要形式，是人体新陈代谢系统正常运转所必需的。该研究通过微通道乳化（MCE）配制了单分散食品级麦角钙化醇负载的水包油（O / W）乳液。使用开槽的MCE进行主要表征，而使用直通MCE考察了存储稳定性和封装效率（EE）。带槽的微通道（MC）阵列板具有5 x 18μm的MC，而不对称的直通MC阵列板由许多10 x 80μm的微槽组成，每个微槽都连接到直径为10μm的圆形MC。将浓度为0.2-1.0％（w / w）的麦角钙化醇添加到各种油中并用作分散相，而连续相则由1％（w / w）的Tween 20，单月桂酸十甘油酯（Sunsoft A-12 ）或β-乳球蛋白。主要特征表明在1％（w / w）Tween 20或Sunsoft A-12存在下成功乳化。随着麦角钙化醇浓度的增加，平均液滴直径缓慢增加，范围为28.3至30.0 mm，变异系数低于6.0％。在大豆油中使用0.5％（w / w）麦角钙化醇和在Milli-Q水中的1％（w / w）Tween 20作为最佳分散相和连续相进行直通式MCE。从直通型MCE成功获得了Sauter平均直径（d（3,2））为34 mm，相对跨度因子小于0.2的单分散O / W乳液。所得油滴在4摄氏度下物理稳定15天（d），而d（3,2）没有任何显着增加。在储存期间，单分散的O / W乳液显示麦角钙化醇的EE大于75％。

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