Journal of Food Quality / 2020 / Article / Tab 1

Research Article

Controlling the Antioxidant Activity of Green Tea Extract through Encapsulation in Chitosan-Citrate Nanogel

Table 1

Particle size, zeta potential, PDI, and encapsulation efficiency (EE) of CS-NP and CS-NP-GT prepared with different ratios of CS : GT.

CS : GT ratioParticle size (nm)Zeta-potential (mV)PDIEncapsulation efficiency

1 : 0112.74 ± 1.56d41.83 ± 0.1a0.113 ± 0.005d0c
1 : 0.25125.38 ± 1.57c40.83 ± 0.1b0.323 ± 0.021a48.93 ± 0.26b
1 : 0.5135.43 ± 2.52c40.40 ± 0.2c0.296 ± 0.005b68.37 ± 1.17a
1 : 0.75243.28 ± 2.13b38.75 ± 0.1d0.300 ± 0.100b65.92 ± 2.67a
1 : 1375.06 ± 3.10a35.69 ± 0.4e0.233 ± 0.005c67.01 ± 1.67a

Results were reported as mean ± SD (n = 3). Different letters in the same column indicate significant differences among means (LSD test, ). PDI: polydispersity index; CS-NP: chitosan nanoparticle; CS-NP-GT: green tea extract-loaded chitosan nanoparticle.