Thyme essential oil (ρ = 0.917 g/cm
3 at 25 °C) from Sigma-Aldrich
® (St. Louis, MO, USA) (Lot: MKCF4333) is used to form the oil nucleus.
Chitosan (MW = 50–190 kDa, μ = 20–300 cP in CH
3COOH solution (1 g/L) at 25 °C) (Lot: STBH6262) as the encapsulating polymer, Tween
® 80 and Span
® 80 (Lot: MKBV4425V) were purchased from Sigma Aldrich
®. The distilled water was Milli-Q
® grade (Millipore Corporation, Bedford, MA, USA).
ABTS (2,2′-azino-bis- (3-ethylbenzthiazoline)-6-sulfonic acid) (Lot: SLBD8908V), DPPH (2,2-diphenyl-1-picrylhydracil) (Lot: STBG9431), FRAP (2,4,6-tri (2-pyridyl)-s-triazine) (Lot: BCBW6989) were purchased from Sigma Aldrich
® (St. Louis, MO, USA). Ascorbic acid (C
6H
8O
6) (Lot: A0616289), potassium persulfate (K
2S
2O
8) (Lot: M1010511), potassium dihydrogen phosphate (KH
2PO
4) (Lot: M0918575), dipotassium hydrogen phosphate (KH
2PO
4) (Lot: M1014575), and glacial acetic acid (CH
3-COOH) (Lot: A0414235) were purchased from Meyer
® (Reactivos Química Meyer, Ciudad de México, México). Cyclohexane (C
6H
12) and methanol (CH
3OH) (Lot: 824333) were purchased from Fermont
® (Productos Químicos Monterrey, México).
González-Reza R.M., Hernández-Sánchez H., Quintanar-Guerrero D., Alamilla-Beltrán L., Cruz-Narváez Y, & Zambrano-Zaragoza M.L. (2021). Synthesis, Controlled Release, and Stability on Storage of Chitosan-Thyme Essential Oil Nanocapsules for Food Applications. Gels, 7(4), 212.