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首页> 外文期刊>Journal of Microencapsulation: Microcapsules Liposomes Nanoparticles Microcells Microspheres >Microencapsulation and oxidative stability of spray-dried fish oi emulsions
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Microencapsulation and oxidative stability of spray-dried fish oi emulsions

机译：喷雾干燥鱼油乳液的微囊化和氧化稳定性

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摘要

Emulsions of menhaden oil and sodium caseinate (NaCas)incorporating carbohydrates of varying dextrose equivalence (DE)were spray-dried to yield encapsulated fish oil powders.The effects of carbohydrate DE (5.5-38),core/wall ratio and NaCas/carbohydrate ratio on microencapsulation efficiency (ME)and oxidative stability of spray-dried emulsions were examined.The effect of alpha-tocopherol or Trolox C addition on the oxidative stability of herring oil emulsions and powders was also determined.ME of fish oil powders was greater than 90% in most cases.Peroxide value (PV)of menhaden oil powders decreased on increasing the DE of carbohydrates.PV of menhaden oil powders increased as core/wall ratio increased from 0.33-1.0.NaCas/DE 28 ratio did no affect PV values of powders.The addition of alpha-tocopherol or Trolox C decreased PV throughout the storage period;this effect was most pronounced for alpha-tocopherol added to the oil at a concentration of 100 ppm.Addition of alpha-tocopherol delays the onset of oxidation in stored fish oil powders.
机译：将含有不同葡萄糖当量（DE）的碳水化合物的薄荷油和酪蛋白酸钠（NaCas）乳液喷雾干燥，制成胶囊化鱼油粉。碳水化合物DE（5.5-38），核心/壁比和NaCas /碳水化合物比对效果的影响考察了喷雾干燥乳化液对微囊化效率（ME）和氧化稳定性的影响。还确定了α-生育酚或Trolox C的添加对鲱鱼油乳化液和粉末的氧化稳定性的影响。鱼油粉末的ME大于90大多数情况下，随着碳水化合物的DE含量的增加，薄荷油粉的过氧化物值（PV）降低。随着芯/壁比从0.33-1.0的增加，薄荷油粉的PV值增加.NaCas / DE 28的比例不影响大豆的PV值。添加α-生育酚或Trolox C会降低整个存储期间的PV;这种影响对于以100 ppm的浓度添加到油中的α-生育酚最为明显。储存的鱼油粉中氧化的开始。

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