Effect of relative humidity on the store stability of spray-dried beta-carotene nanoemulsions

被引：87

作者：

Liang, Rong ^{[1
,2
]}

Huang, Qingrong ^{[3
]}

Ma, Jianguo ^{[1
]}

Shoemaker, Charles F. ^{[2
]}

Zhong, Fang ^{[1
]}

机构：

[1] Jiangnan Univ, Sch Food Sci & Technol, Key Lab Food Colloids & Biotechnol, Minist Educ, Wuxi 214122, Peoples R China

[2] Univ Calif Davis, Dept Food Sci & Technol, Davis, CA 95616 USA

[3] Rutgers State Univ, Dept Food Sci, New Brunswick, NJ 08901 USA

来源：

FOOD HYDROCOLLOIDS | 2013年 / 33卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Beta-carotene; Modified starch; Retention; Film forming property; Glass transition temperature; DEGRADATION KINETICS; CHEMICAL-STABILITY; RELEASE; MICROENCAPSULATION; TEMPERATURE; EMULSIONS; LYCOPENE; HOMOGENIZATION; MICROCAPSULES; ENCAPSULATION;

D O I：

10.1016/j.foodhyd.2013.03.015

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

In order to overcome the limitations of liquid-base emulsion system, beta-carotene nanoemulsions stabilized by modified starch were spray-dried to powders after the emulsification process. The powders showed a good dissolution in water and the reconstituted emulsions had similar particle sizes with the fresh nanoemulsions. A 30 days storage test was carried out to investigate the effect of relative humility (RH) on the storage stability of beta-carotene powders at 25.0 degrees C. The beta-carotene degradation profiles over time were found to fit well with a Weibull model and also closely related to the film property of the matrix, moisture sorption property and glass transition temperature of the powder. The results showed that modified starches with lower film oxygen permeability had a higher retention of beta-carotene during storage. The glass transition temperature of powder in different RH also affected the rate of beta-carotene degradation. Overall these results provide useful information for choosing wall materials and storage conditions to protect nutraceuticals in delivery systems. (c) 2013 Elsevier Ltd. All rights reserved.

引用

页码：225 / 233

页数：9

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