Impact of gelatin, lemongrass oil and peppermint oil on storability and fruit quality of Samany date palm under cold storage

Bulletin of the National Research Centre

Table 6 Effect of gelatin, lemongrass oil, and peppermint oil on total acidity (%) of Samany date palm fruits stored at 0.0 °C ± 2 during two experimental seasons

	Storage periods (days)
	0	15	30	45	60	75	Mean
Treatment	2016
Control	0.320	0.300	0.263	0.250	0.223	0.180	0.256 b
Gelatin 1%	0.320	0.320	0.280	0.257	0.253	0.220	0.275 ab
Gelatin 2%	0.320	0.310	0.277	0.260	0.260	0.240	0.278 a
Gelatin 4%	0.320	0.317	0.300	0.280	0.260	0.240	0.286 a
Lemongrass oil 0.25%	0.320	0.310	0.300	0.283	0.257	0.250	0.287 a
Lemongrass oil 0.50%	0.320	0.313	0.297	0.283	0.277	0.247	0.289 a
Peppermint oil 5%	0.320	0.303	0.280	0.270	0.250	0.230	0.276 ab
Peppermint oil 10%	0.320	0.320	0.300	0.273	0.260	0.230	0.289 a
Mean	0.320 A	0.312 A	0.287 B	0.270 C	0.255 C	0.230 D
L.S.D for the interaction effect between treatments and storage periods at 5% = 0.04864
Treatment	2017
Control	0.293	0.257	0.240	0.220	0.200	0.200	0.235 b
Gelatin 1%	0.293	0.280	0.247	0.243	0.220	0.200	0.247 ab
Gelatin 2%	0.293	0.280	0.270	0.250	0.230	0.220	0.257 a
Gelatin 4%	0.293	0.270	0.270	0.260	0.230	0.220	0.257 a
Lemongrass oil 0.25%	0.293	0.280	0.260	0.260	0.230	0.230	0.259 a
Lemongrass oil 0.50%	0.293	0.280	0.270	0.260	0.253	0.230	0.264 a
Peppermint oil 5%	0.293	0.267	0.270	0.253	0.220	0.200	0.251 ab
Peppermint oil 10%	0.293	0.283	0.267	0.257	0.230	0.220	0.258 a
Mean	0.293 A	0.275 B	0.262 BC	0.250 C	0.227 D	0.215 D
L.S.D for the interaction effect between treatments and storage periods at 5% = 0.04585