Significant Influence of Gamma-Radiation-Treated Chitosan and Alginate on Increased Productivity as Well as Improved Taste and Flavor of Pineapple

Figures & data

Figure 1. Effect of irradiated chitosan and Na-alginate of the growth of pineapple leaves

Figure 2. Effects of radiation-processed alginate, chitosan, and mixture solution on number of leaves of pineapple plants

Figure 3. Effects of radiation-processed alginate, chitosan, and mixture solution on the length of growing pineapple fruits

Figure 4. Effects of radiation-processed alginate, chitosan, and mixture solution on the perimeter of growing pineapple fruits

Table 1. Physicochemical properties of mature pineapples

	Control	Na-alginate_15 days	Na-alginate_30 days	Chitosan_15 days	Chitosan_30 days	Mix_15 days	Mix_30 days
Moisture content (%)	82.64 ± 0.57	83.23 ± 0.41	84.53 ± 0.39	84.52 ± 0.52	83.42 ± 0.46	81.82 ± 0.51	84.66 ± 0.47
Ash content (%)	3.99 ± 0.14	3.27 ± 0.15	2.94 ± 0.08	2.80 ± 0.16	2.77 ± 0.21	3.08 ± 0.17	3.40 ± 0.12
Total suspended solids (ppm)	1211 ± 102	1257 ± 85	1220 ± 74	1494 ± 88	1208 ± 62	1630 ± 71	1710 ± 79
Vit C content (mg/100 mL)	20.96 ± 0.86	21.13 ± 0.91	17.61 ± 0.59	14.62 ± 0.82	17.26 ± 0.63	16.73 ± 0.66	15.85 ± 0.58
pH	3.60	3.54	3.69	3.53	3.60	3.50	3.53

Table 2. Sensory quality of harvested mature pineapple at ambient environment (30 ± 1°C/75 ± 5% RH)

Treatments	Color	Flavor	Texture	Appearance	Taste
Control	7.4 ± 1.04	7.1 ± 1.16	7.6 ± 1.32	7.2 ± 1.22	7.2 ± 1.38
Alginate 15 days	7.8 ± 0.99	7.4 ± 1.45	7.2 ± 1.22	7.8 ± 1.34	7.5 ± 1.32
Alginate 30 days	8.0 ± 1.52	7.3 ± 1.02	7.4 ± 0.89	7.8 ± 1.04	7.8 ± 1.22
Chitosan 15 days	7.9 ± 0.71	7.7 ± 0.96	8.2 ± 1.04	8.2 ± 1.22	8.3 ± 0.45
Chitosan 30 days	8.0 ± 0.99	8.1 ± 0.85	7.8 ± 1.45	8.0 ± 1.04	8.2 ± 0.66
Mixture 15 days	7.6 ± 0.89	8.2 ± 1.22	7.6 ± 1.13	7.6 ± 1.45	8.3 ± 1.16
Mixture 30 days	7.8 ± 1.45	8.2 ± 1.45	7.8 ± 1.21	7.5 ± 0.89	8.5 ± 1.21