Table 3.

Effect of perforation in 75 µ HIPS punnet packaging material of paddy straw mushroom at 15 °C

Perforation area (%)	Storage period (days)	PLW (%)	Respiration rate mgCO2/kgh−1	Color ‘L’ value	Firmness (g)	% Veil opening
0.60	0	–	72.61	35.84	179.15	–
	1	4.77	61.55	26.50	139.57	8.39
	2	9.76	53.43	21.91	112.64	18.42
	3	17.89	46.73	19.38	118.96	24.66
0.90	0	–	72.61	35.84	179.15	–
	1	2.56	64.10	30.67	167.82	6.67
	2	7.02	54.57	23.41	146.26	17.50
	3	15.97	45.33	21.68	137.39	22.31
1.2	0	–	72.61	35.84	179.15	–
	1	2.33	65.74	30.49	165.49	5.81
	2	6.51	49.31	25.62	148.74	15.67
	3	11.36	46.92	23.51	140.43	18.34
1.5	0	–	72.61	35.84	179.15	–
	1	5.63	67.75	26.21	150.23	8.30
	2	10.32	61.90	19.74	129.30	19.69
	3	16.68	52.33	16.55	112.23	26.75