. 2021 Jan 1;7(1):e05882. doi: 10.1016/j.heliyon.2020.e05882

Table 1.

Total Soluble Solids (TSS), Titratable Acidity (TA) and pH value in untreated and pre-treated dried pineapple slices.

Sample Condition		Total Soluble Solids (TSS) ^oBrix	Titratable Acidity (TA) (mg/100g)	pH
Fresh		12 $\pm$ 0.10^f	691.34 $\pm$ 85.63^a	3.44 $\pm$ 0.01ⁱ
Drying at 50 °C	UTR	80.00 $\pm$ 2.00^cde	378.93 $\pm$ 13.48^b	4.22 $\pm$ 0.02^a
	1TR	82.66 $\pm$ 5.03^bcd	209.46 $\pm$ 5.11^f	4.13 $\pm$ 0.02^b
	2TR	82.00 $\pm$ 2.00^bcde	267.75 $\pm$ 6.38^de	3.92 $\pm$ 0.02^c
	3TR	89.33 $\pm$ 3.06^a	195.19 $\pm$ 6.51^f	4.10 $\pm$ 0.10^b
	4TR	85.00 $\pm$ 7.07^ab	206.04 $\pm$ 6.24^f	3.92 $\pm$ 0.01^c
Drying at 55 °C	UTR	80.00 $\pm$ 2.00^cde	380.93 $\pm$ 8.49^b	3.73 $\pm$ 0.02^e
	1TR	80.00 $\pm$ 2.00^cde	254.75 $\pm$ 6.53^e	3.69 $\pm$ 0.01^e
	2TR	82.00 $\pm$ 2.00^bcde	273.39 $\pm$ 5.42^de	3.69 $\pm$ 0.02^e
	3TR	84.00 $\pm$ 2.00^bc	256.41 $\pm$ 6.11^e	3.59 $\pm$ 0.02^f
	4TR	82.67 $\pm$ 4.16^bcd	214.29 $\pm$ 6.94^f	3.81 $\pm$ 0.02^d
Drying at 60 °C	UTR	76.67 $\pm$ 3.06^e	390.12 $\pm$ 8.26^b	3.53 $\pm$ 0.01^g
	1TR	80.67 $\pm$ 3.06^bcde	265.45 $\pm$ 5.53^de	3.49 $\pm$ 0.01^gh
	2TR	78.00 $\pm$ 2.00^de	301.35 $\pm$ 6.03^cd	3.36 $\pm$ 0.01^j
	3TR	83.33 $\pm$ 3.06^bcd	283.79 $\pm$ 6.92^de	3.49 $\pm$ 0.01^ghi
	4TR	80.67 $\pm$ 3.06^bcde	327.92 $\pm$ 11.56^c	3.47 $\pm$ 0.01^hi

-All the values in the table are mean ± SD of three independent determinations. Samples in the same column with different superscript letters differ significantly at p < 0.05.