. 2018 Aug 13;9:822. doi: 10.3389/fphar.2018.00822

Table 2.

Quantification of soluble solids, pH, turbidity, and color change in apple juice after UV irradiation.

Irradiation time (min)	Soluble solids (°Brix)	pH	Turbidity (λ = 600 nm)	Color
				L^∗	a^∗	b^∗
0 (Control)	14.47 ± 0.06^f	3.84 ± 0.01^a	0.04 ± 0.00^a	37.05 ± 0.01^b	−0.85 ± 0.15^b	7.72 ± 0.38^a
5	14.47 ± 0.06^f	3.84 ± 0.01^ab	0.04 ± 0.00^a	37.62 ± 1.39^b	−0.64 ± 0.21^a	3.96 ± 0.50^b
10	14.50 ± 0.00^f	3.84 ± 0.01^ab	0.04 ± 0.00^a	37.86 ± 1.33^b	−0.71 ± 0.06^ab	3.77 ± 0.07^bc
30	14.53 ± 0.06^f	3.84 ± 0.01^a	0.04 ± 0.00^a	37.24 ± 0.54^b	−0.80 ± 0.07^ab	3.45 ± 0.10^c
60	14.70 ± 0.00^e	3.85 ± 0.00^a	0.04 ± 0.01^a	37.64 ± 1.62^a	−0.88 ± 0.09^b	3.47 ± 0.20^c
120	15.23 ± 0.06^d	3.83 ± 0.01^ab	0.05 ± 0.01^a	38.41 ± 0.41^a	−0.98 ± 0.75^b	2.36 ± 0.19^e
240	16.03 ± 0.06^c	3.83 ± 0.01^ab	0.05 ± 0.01^a	38.34 ± 0.42^a	−0.75 ± 0.13^ab	2.88 ± 0.07^d
480	18.47 ± 0.06^b	3.80 ± 0.02^c	0.05 ± 0.01^a	38.03 ± 0.48^a	−0.86 ± 0.01^b	2.46 ± 0.04^de
720	21.30 ± 0.00^a	3.82 ± 0.01^b	0.04 ± 0.00^a	38.42 ± 0.10^a	−0.81 ± 0.03^ab	2.51 ± 0.14^de

Data presented are the mean of repeated experiments ± standard deviation, and different lower superscripts in each column indicate significant differences at p < 0.05.