Effect of Chlorine and Silver Grafted zeolite-LDPE Composite Bags Packaging on the Postharvest Quality of Sapota (Manilkara Achras)

Figures & data

Table 1. Effect of antimicrobial compounds synergized zeolite-LDPE composite bags on physiological loss in weight (PLW) (%) of sapota fruits under refrigerated condition (13°C).

	Physiological loss in weight (PLW) (%)
Treatments	3 DAS	6 DAS	9 DAS	12 DAS	15 DAS	18 DAS	21 DAS	Mean
T1	1.49^cd	3.87^ab	4.85^bc	8.98^bc	11.18^bc	14.68^bc	17.90^bcd	8.99
T2	1.66^bc	2.09^bc	6.07^b	10.21^ab	11.91^bc	16.11^b	19.58^bc	9.66
T3	1.41^cd	3.82^ab	4.64^bcd	8.86^bc	10.78^bc	14.34^bc	17.52^cd	8.76
T4	1.07^e	1.49^c	3.09^cd	6.49^cd	8.55^cd	12.10^de	13.25^e	6.57
T5	1.25^de	3.62^ab	4.38^bcd	8.52^bcd	10.15^cd	12.93^cd	15.47^de	8.04
T6	0.98^e	1.23^c	2.81^d	5.30^d	7.03^d	10.42^e	12.05^e	5.68
T7	1.83^ab	2.26^bc	6.38^b	11.37^ab	14.00^ab	16.28^b	21.64^ab	10.53
T8	2.04^a	4.47^a	8.59^a	13.03^a	16.12^a	18.41^a	23.96^a	12.37
Mean	1.46	2.85	5.10	9.09	11.21	14.40	17.67
S.Em±	0.08	0.61	0.67	1.11	1.15	0.67	1.30
CD@1%	0.39	2.52	2.79	4.61	4.76	2.79	5.39

Table 2. Effect of antimicrobial compounds synergized zeolite-LDPE composite bags on respiration rate (ml 0f CO₂/Kg/hr) of sapota fruits under refrigerated condition (13°C).

	Respiration rate (ml 0f CO2/Kg/hr)
Treatments	3 DAS	6 DAS	9 DAS	12 DAS	15 DAS	18 DAS	21 DAS	Mean
Initial	78.09
T1	89.1^bcd	98.7^abc	122.2^cd	153.8^cd	208.9^cd	199.2^b	183.9^bc	150.82
T2	91.5^abc	100.8^ab	125.3^bc	160.6^bc	213.8^bc	201.5^ab	185.6^abc	154.15
T3	87.8^bcde	96.0^abc	118.6^de	149.0^de	206.8^cd	198.8^b	180.3^c	148.18
T4	83.4^de	92.4^c	111.8^fg	137.6^f	200.6^de	196.4^bc	168.3^de	141.50
T5	85.7^cde	94.3^bc	115.1^ef	144.5^ef	204.8^cde	196.6^bc	171.7^d	144.67
T6	81.4^e	92.2^c	108.5^g	128.9^g	195.6^e	192.3^c	164.1^e	137.57
T7	93.9^ab	102.7^a	128.4^ab	163.6^ab	220.4^ab	202.8^ab	189.8^ab	157.37
T8	96.2^a	104.1^a	131.0^a	169.6^a	224.7^a	206.0^a	192.7^a	160.61
Mean	88.62	97.65	120.11	150.95	209.45	199.20	179.55
S.Em±	2.33	2.74	1.53	2.77	3.45	2.14	2.47
CD@1%	9.65	8.23	6.36	11.46	14.26	6.41	10.22

*DAS – Days After Storage

Table 3. Effect of antimicrobial compounds synergized zeolite-LDPE composite bags on L* color value of pulp of sapota fruits under refrigerated condition (13°C).

	L* value
Treatments	3 DAS	6 DAS	9 DAS	12 DAS	15 DAS	18 DAS	21 DAS	Mean
Initial	70.4
T1	70.4^a	63.4^bc	55.0^bcd	51.5^bc	47.0^bcd	42.8	39.8	52.84
T2	68.7^ab	61.1^c	53.8^cde	49.3^cd	45.8^cd	40.5	38.9	51.15
T3	70.4^a	63.7^bc	55.3^a	51.7^bc	47.2^bcd	42.6	39.2	52.87
T4	70.4^a	67.6^ab	59.2^ab	55.2^ab	51.7^ab	46.2	43.3	56.22
T5	70.4^a	65.0^abc	57.8^abc	53.9^b	49.4^abc	44.9	41.5	54.70
T6	70.4^a	69.9^a	61.7^a	57.8^a	53.9^a	49.8	45.6	58.44
T7	66.3^bc	59.8^c	51.4^de	47.3^d	43.5^d	38.3	37.8	49.20
T8	64.5^c	59.4^c	49.1^e	47.0^d	43.3^d	38.0	37.4	48.38
Mean	68.93	63.73	55.41	51.71	47.72	42.88	40.43
S.Em±	1.03	1.98	1.60	1.25	1.80	2.28	1.25
CD@1%	4.29	5.96	6.63	5.19	7.44	NS	NS

Table 4. Effect of antimicrobial compounds synergized zeolite-LDPE composite bags on chroma color value of pulp of sapota fruits under refrigerated condition (13°C).

	Chroma
Treatments	3 DAS	6 DAS	9 DAS	12 DAS	15 DAS	18 DAS	21 DAS	Mean
Initial	44.2
T1	39.2^cd	39.4^c	37.1^cde	32.1^abcd	29.6^bcd	26.4	23.5	32.47
T2	38.9^cd	37.0^d	35.2^def	30.6^bcd	27.1^cde	24.5	21.9	30.74
T3	39.8^c	39.7^c	37.8^bcd	32.5^abcd	29.9^bcd	26.8	24.7	33.02
T4	43.3^a	43.1^a	41.6^ab	36.2^ab	33.4^ab	30.2	26.6	36.34
T5	41.5^b	41.2^b	39.4^abc	34.4^abc	31.8^abc	28.7	25.4	34.62
T6	44.2^a	43.9^a	41.9^a	38.6^a	35.5^a	32.1	27.8	37.71
T7	37.8^de	35.8^d	33.5^ef	28.9^cd	25.9^de	22.4	20.6	29.27
T8	37.4^e	33.5^e	31.8^f	26.3^d	23.5^e	20.6	16.1	27.02
Mean	40.26	39.20	37.28	32.45	29.58	26.46	23.32
S.Em±	0.55	0.40	1.32	2.31	1.76	3.06	2.80
CD@1%	2.28	1.68	5.46	6.95	7.30	NS	NS

*DAS – Days After Storage

Table 5. Effect of antimicrobial compounds synergized zeolite-LDPE composite bags on hue-angle color value of pulp of sapota fruits under refrigerated condition (13°C).

	Hue angle
Treatments	3 DAS	6 DAS	9 DAS	12 DAS	15 DAS	18 DAS	21 DAS	Mean
Initial	57.6
T1	51.5^bcd	47.0^bcd	44.8	42.0^bc	40.5	36.5^abcd	32.8^bcd	42.15
T2	49.3^cd	45.8^cd	42.5	39.5^cd	36.2	33.2^bcd	29.6^cde	39.44
T3	51.7^bcd	47.2^bcd	44.6	42.9^bc	40.9	36.7^abcd	33.7^abc	42.52
T4	55.2^ab	51.7^ab	48.2	47.2^a	45.6	40.7^ab	37.8^ab	46.62
T5	53.9^abc	49.4^abc	46.9	45.7^ab	43.8	38.8^abc	35.9^ab	44.91
T6	57.6^a	53.9^a	50.8	49.1^a	47.0	42.5^a	39.1^a	48.57
T7	47.3^d	43.5^d	40.3	36.2^de	33.9	30.1^cd	27.3^de	36.94
T8	47.0^d	43.3^d	38.0	33.8^e	31.5	28.3^d	24.0^e	35.12
Mean	51.68	47.72	44.51	42.05	39.92	35.85	32.52
S.Em±	1.93	1.59	3.37	1.35	3.51	2.97	2.07
CD@5%	5.81	4.77	NS	4.05	NS	8.93	6.21

Table 6. Effect of antimicrobial compounds synergized zeolite-LDPE composite bags on TSS (°B) of sapota fruits under refrigerated condition (13°C).

	TSS (°B)
Treatments	3 DAS	6 DAS	9 DAS	12 DAS	15 DAS	18 DAS	21 DAS	Mean
Initial	16.36
T1	17.21	19.62	20.93	22.32	22.84	23.83	25.91	21.80
T2	17.48	19.98	21.56	22.87	23.09	23.98	26.36	22.18
T3	17.02	19.07	20.22	21.98	22.61	23.55	25.74	21.45
T4	16.69	18.79	19.19	20.02	21.48	22.97	24.95	20.58
T5	16.85	18.91	19.85	20.88	21.84	23.16	25.30	20.97
T6	16.41	17.72	18.90	19.30	20.26	22.80	24.71	20.01
T7	17.82	20.02	22.19	23.07	24.26	24.00	27.28	22.66
T8	18.09	21.78	22.97	23.74	24.92	24.31	28.82	23.51
Mean	17.19	19.48	20.72	21.77	22.66	23.57	26.13
S.Em±	0.44	2.14	2.10	2.90	2.22	1.22	0.40
CD@5%	NS	NS	NS	NS	NS	NS	NS

*DAS – Days After Storage

Table 7. Effect of antimicrobial compounds synergized zeolite-LDPE composite bags on titratable acidity (%) of sapota fruits under refrigerated condition (13°C).

	Titratable acidity (%)
Treatments	3 DAS	6 DAS	9 DAS	12 DAS	15 DAS	18 DAS	21 DAS	Mean
Initial	0.14
T1	0.42^e	0.39^de	0.36^de	0.33^cde	0.30^d	0.28^c	0.26^bcd	0.33
T2	0.38^f	0.36^e	0.32^ef	0.30^def	0.28^de	0.26^cd	0.24^cde	0.30
T3	0.47^d	0.44^cd	0.41^cd	0.38^bcd	0.35^cd	0.33^bc	0.30^abc	0.38
T4	0.56^b	0.53^cd	0.51^ab	0.47^ab	0.44^ab	0.40^ab	0.38^ab	0.47
T5	0.51^c	0.49^ab	0.46^bc	0.43^abc	0.41^bc	0.38^ab	0.36^abc	0.43
T6	0.60^a	0.58^a	0.55^a	0.51^a	0.49^a	0.46^a	0.42^a	0.51
T7	0.31^g	0.28^f	0.26^fg	0.23^ef	0.21^ef	0.18^de	0.16^de	0.23
T8	0.28^g	0.26^f	0.23^g	0.20^f	0.18^f	0.15^e	0.13^e	0.20
Mean	0.44	0.41	0.38	0.35	0.33	0.30	0.28
S.Em±	0.02	0.04	0.05	0.03	0.05	0.05	0.03
CD@1%	0.03	0.09	0.10	0.17	0.10	0.12	0.17

Table 8. Effect of antimicrobial compounds synergized zeolite-LDPE composite bags on firmness (N) of sapota fruits under refrigerated condition (13°C).

	Firmness (N)
Treatments	3 DAS	6 DAS	9 DAS	12 DAS	15 DAS	18 DAS	21 DAS	Mean
Initial	9.87
T1	9.02^bcd	8.52^cd	8.38^bc	7.55^cd	7.21^ab	6.72^cd	5.27^cd	7.52
T2	8.69^cd	8.32^de	8.12^cd	7.33^cde	7.04^cd	6.55^cd	5.02^de	7.29
T3	9.01^bcd	8.59^bcd	8.37^bc	7.73^c	7.29^bc	6.71^cd	5.46^bc	7.59
T4	9.42^ab	8.92^ab	8.70^ab	8.43^ab	7.69^ab	7.29^ab	5.78^ab	8.03
T5	9.26^abc	8.78^abc	8.58^ab	8.22^b	7.45^abc	6.93^bc	5.59^abc	7.83
T6	9.50^a	9.14^a	8.93^a	8.69^a	7.82^a	7.42^a	5.91^a	8.20
T7	8.61^d	8.11^e	7.97^d	7.16^de	6.72^de	6.38^de	4.80^e	7.10
T8	8.45^d	7.95^e	7.77^d	6.97^e	6.30^e	5.97^e	4.42^f	6.83
Mean	8.99	8.54	8.35	7.76	7.19	6.74	5.28
S.Em±	0.20	0.12	0.12	0.14	0.14	0.14	0.12
CD@1%	0.84	0.51	0.52	0.59	0.60	0.58	0.49

*DAS – Days After Storage

Table 9. Effect of zeolite-LDPE composite bags on disease score (%) and shelf life (days) of sapota fruits under refrigerated condition (13°C).

	Disease score (%)
Treatments	18 DAS	21 DAS	Mean
Initial	NIL			Shelf-life (days)
T1	26.85^d	39.17^e	33.01	13.33^d
T2	39.37^c	55.91^c	47.64	11.66^e
T3	22.00^e	37.48^e	29.74	13.66^d
T4	14.70^f	31.25^f	22.97	16.00^b
T5	36.68^c	46.51^d	41.59	14.66^c
T6	11.19^f	24.29^g	17.74	17.66^a
T7	48.81^b	69.38^b	59.09	11.33^e
T8	57.36^a	78.67^a	68.01	9.66^f
Mean	32.12	47.83		13.49
S.Em±	1.56	1.33		0.30
CD@1%	6.47	5.52		1.28

*DAS –Days After Storage