Studies on the effects of honey incorporation on quality and shelf life of aonla preserve

Figures & data

Figure 1. Process flow chart for preparation of aonla preserve

Table 1. Ash content of aonla preserve samples during the storage period

Sample code	Ash content (%)/storage period (number of days)
	0 days	15 days	30 days	45 days	60 days	75 days	90 days
CP	0.142±0.00	0.144±0.00	0.149±0.00	0.151±0.00	0.154±0.00	0.157±0.00	0.159±0.00
H 1 P	0.212±0.00	0.219±0.01	0.235±0.00	0.236±0.00	0.240±0.00	0.244±0.00	0.247±0.00
H 2 P	0.323±0.01	0.329±0.00	0.336±0.00	0.339±0.00	0.342±0.00	0.346±0.00	0.350±0.00

CP = 0% honey, H₁P = 7.5% honey and H₂P = 15% honey.

Values are means of three replicate ± SD.

Table 2. The pH of aonla preserve samples during the storage period

Sample code	pH/storage period (days)
	0 days	15 days	30 days	45 days	60 days	75 days	90 days
CP	2.58±0.00	2.67±0.00	2.73±0.01	2.79±0.01	2.94±0.00	3.00±0.00	3.09±0.01
H 1 P	2.52±0.00	2.59±0.00	2.64±0.00	2.70±0.00	2.76±0.00	2.82±0.00	2.93±0.01
H 2 P	2.50±0.01	2.57±0.00	2.64±0.00	2.69±0.00	2.76±0.00	2.80±0.01	2.90±0.00

CP = 0% honey, H₁P = 7.5% honey and H₂P = 15% honey.

Values are means of three replicate ± SD.

Table 3. TSS of aonla preserve samples during the storage period

Sample code	TSS (^oBrix)/storage period (days)
	0 days	15 days	30 days	45 days	60 days	75 days	90 days
CP	49.83±0.29	59.00±0.87	69.67±0.58	71.00±0.00	72.83±0.29	74.17±0.29	77.17±1.44
H 1 P	51.33±1.15	58.00±0.50	67.00±0.00	68.67±0.58	69.75±0.66	70.33±0.29	70.92±0.14
H 2 P	52.33±1.15	58.83±0.29	65.33±0.29	68.67±0.58	70.00±0.00	71.33±0.29	73.00±0.00

CP = 0% honey, H₁P = 7.5% honey and H₂P = 15% honey.

Values are means of three replicate ± SD.

Table 4. Vitamin C content of aonla preserve samples during the storage period

Sample code	Vitamin C content (mg/100 g)/storage period (days)
	0 days	15 days	30 days	45 days	60 days	75 days	90 days
CP	170.46±0.36	161.40±0.73	149.55±0.68	140.70±0.37	130.39±0.35	122.70±0.63	115.44±1.33
H 1 P	179.35±0.84	170.01±1.52	160.59±0.41	151.57±0.23	141.04±0.81	134.21±0.69	129.79±0.99
H 2 P	180.43±1.18	172.36±0.27	164.4±0.17	156.09±0.59	145.68±0.53	140.47±0.35	133.56±0.29

CP = 0% honey, H₁P = 7.5% honey and H₂P = 15% honey.

Values are means of three replicate ± SD.

Figure 2. Change in Vitamin C content of aonla preserve samples during storage

Table 5. Yeast and Mould count for aonla preserve samples during the storage period

Sample code	Yeast and Mould count/storage period (days)
	0 days	15 days	30 days	45 days	60 days	75 days	90 days
CP	N.D.	N.D.	N.D.	N.D.	N.D.	N.D.	T.F.T.C.
H 1 P	N.D.	N.D.	N.D.	N.D.	N.D.	N.D.	N.D.
H 2 P	N.D.	N.D.	N.D.	N.D.	N.D.	N.D.	N.D.

CP = 0% honey, H₁P = 7.5% honey and H₂P = 15% honey.

N.D. = Not Detected, T.F.T.C = Too Few To Count.