Microencapsulation by spray drying of lemon essential oil: Evaluation of mixtures of mesquite gum–nopal mucilage as new wall materials

Cortés‐Camargo, Stefani; Cruz-Olivares, J.; Barragán-Huerta, Blanca E.; Dublán‐García, Octavio; Román‐Guerrero, Angélica; Pérez‐Alonso, C.

doi:10.1080/02652048.2017.1338772

Cited by 41 publications

(10 citation statements)

References 47 publications

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“…Another possible reason for these agglomerations would be an increase in the surface oil content due to the reducing core:wall material ratio, which resulted in more surface oil. A similar observation was seen in microencapsulation of lemon essential oil (Cortés‐Camargo et al., 2017; León‐Martínez et al., 2010).…”

Section: Resultssupporting

confidence: 76%

“…Oil 2.5% having 2% and no mucilage showed no significant difference at p < .05. The hydrophilic nature of the functional groups in the polysaccharides might be the probable reason and also due to the hygroscopicity nature of the mucilage which results in water sorption and increase in moisture content (Cortés‐Camargo et al., 2017). A similar trend was seen in coffee oil spray‐dried with gum Arabic with different oil ratios (Frascareli et al., 2012).…”

Section: Resultsmentioning

confidence: 99%

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Microencapsulation of fenugreek seed oil and oil load effect on maltodextrin and fenugreek seed mucilage as wall materials by spray drying

Munshi

Kumar

2022

Food Processing Preservation

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This work aims to encapsulate the fenugreek seed oil (FGSO) to musk the bitter taste as it has various health benefits using maltodextrin and fenugreek mucilage as the wall materials by spray drying. The highest powder yield was 68.23% at 1.5% oil, 2% mucilage, and 10% maltodextrin. The powder moisture content ranged from 4.5 to 6.8%. The bulk density, tapped density, Carr's index and Hausner's ratio was evaluated and the powder showed good flowability. All the peaks obtained by FTIR of powder were similar, and that wavenumber 3,254 cm−1 showed the interaction between the fenugreek mucilage, maltodextrin, and FGSO. XRD revealed that FGSO powder was amorphous and a steep peak found at 20°. TGA showed the two mass losses but was not heat‐labile. SEM revealed the particle size and shapes (spherical) for any cracks and fissures. The encapsulation efficiency showed variation from 56.18 to 70.24%. Overall, the results led to the conclusion that fenugreek seed oil can be encapsulated and that the fenugreek seed mucilage can be used as a botanical alternative to maltodextrin as a wall material. Practical applications Nowadays, health awareness is increasing among consumers. Due to which the demand for nutraceuticals and functional foods is increasing. Fenugreek seed oil (FGSO) controls chronic diabetes and heart diseases and benefits such as anti‐inflammatory and antioxidant properties. The taste of fenugreek seed oil is bitter, so its direct use as oil is restricted. Therefore, encapsulated FGSO with maltodextrin and fenugreek will musk the oil's bitter taste, making it edible. Encapsulation also prevents the degradation of bioactive compounds and increases the shelf life of FGSO. Since it is produced using fenugreek mucilage and maltodextrin, which benefits the gastro‐intestinal issue of the consumer. This encapsulated FGSO can be used as a powder for direct use.

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Section: Resultssupporting

confidence: 76%

Section: Resultsmentioning

confidence: 99%

Microencapsulation of fenugreek seed oil and oil load effect on maltodextrin and fenugreek seed mucilage as wall materials by spray drying

Munshi

Kumar

2022

Food Processing Preservation

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“…Numerous studies have reported the influences of drying temperature on coffee EO [76], fish EO [77], mandarin EO [78], and lemon EO [60,62]. ese studies proposed that the optimal range of inlet temperature for effective spray-drying encapsulation was between 160°C and 220°C, at which rapid semipermeable membrane formation and high flavor retention occurred [32].…”

Section: Temperature and Feed Flow Rate Apart From Initial Emulsion Selection For An Appropriate Feed Flow Rate And The Inlet And Outlet mentioning

confidence: 99%

Microencapsulation of Essential Oils by Spray-Drying and Influencing Factors

Nguyen

Dang

et al. 2021

Journal of Food Quality

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Essential oils (EOs) are known as any aromatic oily organic substances which are naturally synthesized in plants. Exhibiting a broad range of biological activities, EOs have played a key role in numerous industries for ages, including pharmaceutical, textile, and food. However, the volatility and high sensitivity to environmental influences pose challenges to the application of EOs on industrial scale. Microencapsulation via the spray-drying method is one of the promising techniques to overcome these challenges, thanks to the presence of wall materials that properly protect the core EOs from oxidation and evaporation. By optimization of key factors related to the infeed emulsion properties and spray-drying process, the encapsulation efficiency and retention of encapsulated EOs could be significantly improved, thus allowing a wide range of EO applications. This review attempts to discuss on different determining factors of the spray-drying process to develop an effective encapsulation formula for EOs. Furthermore, recent applications of encapsulated EOs in the fields of foods, pharmaceuticals, and textile industries are also thoroughly addressed.

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“…Emulsions with higher amount of mesquite gum had smaller droplet sizes due to its more compressed conformation than nopal mucilage; those microcapsules had smaller particle sizes with the highest volatile oil retention, but lower protective effect against LEO oxidation. This may be due to contraction of microcapsules during the drying process (Cortes-Camargo et al, 2017).…”

Section: Mucilages and Gumsmentioning

confidence: 99%