Optimization of microencapsulation of selenium with gum Arabian/Persian mixtures by solvent evaporation method using res
- PDF / 2,222,602 Bytes
- 13 Pages / 595.276 x 790.866 pts Page_size
- 63 Downloads / 189 Views
ORIGINAL PAPER
Optimization of microencapsulation of selenium with gum Arabian/ Persian mixtures by solvent evaporation method using response surface methodology (RSM): soybean oil fortification and oxidation indices Forouzan Jalalizand1 · Mohammad Goli1,2 Received: 16 July 2020 / Accepted: 9 September 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Optimization of microencapsulation of sodium selenite 100–900 mg with a combination of Arabian gum 25–29% and Persian gum 5–1% per 20 ml mix spray solution by a solvent evaporation method using response surface methodology with central composite design (α = 2 with 6 central points and 2 repetition in axial and factorial points) were investigated. This study aimed to production of microencapsulated selenium with the highest encapsulation efficiency (EE) and the smallest particle-size for increasing soybean-oil shelf life against oxidation. The optimal-formula-1 (135 mg Na-selenite, Arabian to Persian gum ratio 9) with an actual EE of 77.35% and particle-size of 48.20 μm and the optimal-formula-2 (109 mg Naselenite, Arabian to Persian gum ratio 14) with an actual EE of 93.74% and particle-size of 45.20 μm produced. Consequently, the un-microencapsulated sodium-selenite (8.6 ppm of sodium-selenite, equivalent to 3.93 ppm pure selenium, regarding recommended daily intake of 55 μg for Selenium and 14 g for oil), the two selected optimal formulas (containing 8.6 ppm sodium-selenite, i.e., 3.92 ppm pure selenium), the BHA (200 ppm), were added to refined antioxidant-free soybean oil (as a control treatment) and then were placed at the 55 °C for (0, 23, 46 days) equaled to 20 °C (0, 180, 360 days) by a shelf-life accelerator program. The oxidation indices including, total acid number, peroxide value, thiobarbituric acid value, paraAnisidine value, and Totox value as well as, antioxidant activity in soybean-oil over a 1-year storage-time at 20 °C showed the order of the proposed treatments were included 482 ppm optimal-formula-2 ≥ 391 ppm optimal-formula-1 ≥ 200 ppm BHA > 8.6 ppm un-microencapsulated Na-selenite > blank treatments.
* Mohammad Goli [email protected]; [email protected] 1
Department of Food Science and Technology, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
Laser and Biophotonics in Biotechnologies Research Center, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
2
13
Vol.:(0123456789)
F. Jalalizand, M. Goli
Graphic abstract Optimization of selenium microencapsulation process using Arabian-Persian gum profile and different amounts of sodium slenite by RSM (Part 1) and Assessment of the oxidation indices in refined antioxidant-free soybean oil containing microencapsulated optimal formulas in 365-day storage time at 20 °C (Part 2)
Keywords Solvent evaporation method · Encapsulation efficiency · Particle-size · Scanning electron microscopy · Selenium fortification · Soybean-oil oxidation indices Abbreviations EE Encapsulation efficiency RSM Response surface methodo
Data Loading...
