Microencapsulation of Cajuput Oil by Spray Drying: Influence of Wall Systems on the Oil Retention and Storage

2011 ◽  
Vol 117-119 ◽  
pp. 1518-1521
Author(s):  
Kangsadarn Wicheansin ◽  
Ratana Indranupakorn

The microencapsulation of cajuput oil by spray drying was investigated with respect to the effects of two kinds of matrices (gum arabic and modified starch) as well as to the effects of initial concentrations of cajuput oil on its retention and stability. The results indicated that the oil retention depended on the type of encapsulating agent. Hicap100 showed higher oil retention of encapsulated cajuput oil. Further, the surface oil content of the Hicap100 powder was very low. The protective effect of microencapsulation of Hicap100 was also studied. The functional compound, 1,8-cineole, was released more slowly from the Hicap100 compared to gum arabic, especially at the level of 30% oil loaded.

2015 ◽  
Vol 39 (2) ◽  
pp. 173-182 ◽  
Author(s):  
Diana Maria Cano-Higuita ◽  
Harvey Alexander Villa Vélez ◽  
Vania Regina Nicoletti Telis

Spray-drying is a suitable method to obtain microencapsulated active substances in the powdered form, resulting in powders with improved protection against environmental factors as well as with higher solubility in water, as in the case of turmeric oleoresin. The present study investigated the spray-drying process of turmeric oleoresin microencapsulated with binary and ternary mixtures of different wall materials: gum Arabic, maltodextrin, and modified corn starch. A statistical simplex centroid experimental design was used considering the encapsulation efficiency, curcumin retention, process yield, water content, solubility, and particle morphology as the analyzed responses. Wall matrices containing higher proportions of modified starch and gum Arabic resulted in higher encapsulation efficiency and curcumin retention, whereas the process yield and water content increased with higher proportions of maltodextrin and gum Arabic, respectively. Regression models of the responses were obtained using a surface response method (ANOVA way), showing statistical values of R2 > 0.790. Also, mean analysis was carried out by Tukey's test, permitting to observe some statistical differences between the blends


2020 ◽  
Vol 58 (1) ◽  
pp. 29-37
Author(s):  
Karla Bigetti Guergoletto ◽  
Kamila Landucci Bonifácio ◽  
Décio Sabbatini Barbosa ◽  
Daniel Farinha Valezi ◽  
Aroldo Salviato ◽  
...  

Many fruits and vegetables contain compounds with antioxidant properties, but the processing and storage conditions of the food industry may damage these beneficial compounds and produce free radicals that are associated with oxidative stress. This study aims to evaluate in vitro the antioxidant capacity and prooxidant effects of juçara pulp fermented with Lactobacillus reuteri or Lactobacillus plantarum before and after spray-drying with maltodextrin, gum arabic or gelatin and storage at 25 °C for 90 days. The antioxidant capacity was assessed by measuring the ability to scavenge reactive oxygen species (ROS) in the neutrophil respiratory burst and free radical 2,2-diphenyl-1-picryl-hydrazyl (DPPH), and by determining the total phenolic content. The prooxidant effects were analyzed as free radical formation measured by electronic paramagnetic resonance (EPR). Fermentation by both bacteria increased the antioxidant activity, while the spray-drying process decreased the content of phenolic compounds (65-85 %) and the DPPH scavenging ability, depending on the carrier usage. All of the samples inhibited ROS in the neutrophil burst, and the juçara pulp fermented by L. reuteri and dried with gum arabic exhibited the best performance. Spray-drying did not influence the intensity or type of free radicals detected by EPR. However, storage at room temperature decreased the antioxidant capacity and increased free radical formation.


2020 ◽  
Vol 11 (10) ◽  
pp. 8694-8706
Author(s):  
Divyasree Arepally ◽  
Ravula Sudharshan Reddy ◽  
Tridib Kumar Goswami

L. acidophilus was encapsulated with maltodextrin and different concentrations of gum arabic by spray drying technology. Encapsulated cells have shown better viability under simulated gastrointestinal conditions compared to free cells.


2016 ◽  
Vol 25 (1) ◽  
pp. 107 ◽  
Author(s):  
Shannora YULIASARI ◽  
Dedi Fardiaz ◽  
Nuri Andarwulan ◽  
Sri Yuliani

This study aimed to evaluate the effect of maltodextrin combination with different encapsulation materials in the encapsulation of red palm oil by spray drying, in order to maximize encapsulation efficiency and retention of β-carotene. Maltodextrin was combined with xanthan gum (XG), gum arabic (GA), sodium caseinate (SC). The study was designed using a block randomized design with ten treatments and three replicates. The use of different combinations of encapsulation materials in this study had a significant effect (p<0.05) on the characteristic of encapsulates. The best encapsulation efficiency and β-carotene retention were obtained with MD:XG at a combination of 99.7:0.3%, while the lowest encapsulation efficiency and β-carotene retention were obtained for MD:SC. Combination of MD:XG produced encapsulate with 1.03% of surface oil, 92.40% of oil retention, 72.05% of encapsulation efficiency, and 72.65% of β-caroten retention. The mixtures of different encapsulation materials influenced encapsulate morphology. The MD:SC encapsulate had higher dents and folds on encapsulate surface, whereas the combination of MD:XG resulted in a smoother surface of the encapsulate.


Author(s):  
Hirokazu Shiga ◽  
S. Takashige ◽  
A. Hermawan Dwi ◽  
A. Sultana ◽  
Shuji Adachi ◽  
...  

An oil from Pacific krill (Euphausia pacifica) has a high content of PUFAs and phospholipids. The sediment was formed with homogenization of krill oil and maltodextrin (MD; dextrose equivalent (DE) = 19) solution using sodium caseinate, gum arabic, hydrolyzed whey protein or modified starch as a surfactant. Quillaja saponin could form the emulsion without the sediment. MD (28.5 wt%) was solubilized with distiller water (50 wt%) and mixed with krill oil (20wt%) and Quillaja saponin (1.5 wt%). The homogenized solution was spray-dried using Okawara-L8 spray dryer with a centrifugal atomizer.  Spray-dried powder was evaluated in the oil-droplet size and surface-oil content. Keywords: krill oil, emulsion, Quillaja saponin, spray drying, PUFAs 


Author(s):  
Larissa A. C. Zuanon ◽  
Nathália C. Fuzari ◽  
Sungil Ferreira ◽  
Mírian L. F. Freitas ◽  
Poliana Moser ◽  
...  

AbstractThis study aimed to produce betalain-rich powders by spray drying red beet extract using modified starch and maltodextrin blends as carrier materials, as well as to investigate the product storage stability as affected by water sorption and light exposure. The influence of spray drying conditions and carrier blends on the process yield, water content and solubility of the powders, betalain retention, and color parameters was assessed using a central composite design 24. The results of this screening allowed selection of four samples to further evaluation concerning their morphological characteristics, particle size distribution, water sorption properties, and betalain stability under light exposure. Samples formulated with carrier blends composed of equal amounts of modified starch and maltodextrin, used in a concentration of 35 g carriers/110 g of initial solution resulted in the higher betalain stability during 98 days of storage under exposure to light. Even though this formulation showed similar water sorption behavior to the other formulations studied, it also showed the best mechanical properties, indicating lower susceptibility to powder collapse.


2020 ◽  
Vol 152 ◽  
pp. 1125-1134 ◽  
Author(s):  
Amer Ali Mahdi ◽  
Jalaleldeen Khaleel Mohammed ◽  
Waleed Al-Ansi ◽  
Abduljalil D.S. Ghaleb ◽  
Qais Ali Al-Maqtari ◽  
...  

Author(s):  
Ewa Domian ◽  
Ewa Świrydow ◽  
Jan Cenkier
Keyword(s):  

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