. 2023 Jul 1;60(10):2591–2606. doi: 10.1007/s13197-023-05780-6

Table 4.

Effect of storage and packaging material on water activity (a_w) of cookies

Cookies	Packaging material	Storage days
Cookies	Packaging material	0	15	30	45	60	75	90	105	120
Control sweet	A	0.36 ± 0.02^a	0.45 ± 0.01^b	0.54 ± 0.01^c	0.63 ± 0.02^d	ND	ND	ND	ND	ND
	B	0.36 ± 0.02^a	0.43 ± 0.01^b	0.48 ± 0.02^c	0.53 ± 0.01^d	0.57 ± 0.02^e	0.64 ± 0.01^f	ND	ND	ND
	C	0.36 ± 0.02^a	0.39 ± 0.01^b	0.42 ± .02^c	0.45 ± 0.02^d	0.48 ± 0.01^e	0.51 ± 0.01^f	0.54 ± 0.02^g	0.57 ± 0.01^h	0.61 ± 0.01ⁱ
	D	0.36 ± 0.02^a	0.38 ± 0.01^a	0.41 ± 0.02^b	0.43 ± 0.02^b	0.46 ± 0.01^c	0.49 ± 0.01^c	0.52 ± 0.02^d	0.55 ± 0.02^e	0.58 ± 0.01^f
Pea sweet (10%)	A	0.37 ± 0.02^a	0.47 ± 0.01^b	0.55 ± 0.01^c	0.64 ± 0.02^d	ND	ND	ND	ND	ND
	B	0.37 ± 0.02^a	0.43 ± 0.02^b	0.49 ± 0.01^c	0.54 ± 0.01^d	0.59 ± 0.02^e	0.65 ± 0.02^f	ND	ND	ND
	C	0.37 ± 0.02^a	0.40 ± 0.01^b	0.43 ± 0.01^c	0.46 ± 0.02^d	0.49 ± 0.01^e	0.53 ± 0.01^f	0.56 ± 0.01^g	0.59 ± 0.02^h	0.63 ± 0.01ⁱ
	D	0.37 ± 0.02^a	0.39 ± 0.01^a	0.41 ± 0.01^b	0.45 ± 0.02^c	0.47 ± 0.01^c	0.50 ± 0.01^d	0.53 ± 0.01^e	0.56 ± 0.02^f	0.59 ± 0.01^g
Control salt	A	0.35 ± 0.01^a	0.43 ± 0.01^b	0.55 ± 0.01^c	0.64 ± 0.02^d	ND	ND	ND	ND	ND
	B	0.35 ± 0.01^a	0.41 ± 0.02^b	0.46 ± 0.02^c	0.54 ± 0.01^d	0.58 ± 0.02^e	0.64 ± 0.02^f	ND	ND	ND
	C	0.35 ± 0.01^a	0.38 ± 0.01^b	0.41 ± 0.02^c	0.44 ± 0.02^d	0.48 ± 0.01^e	0.51 ± 0.01^f	0.55 ± 0.02^g	0.58 ± 0.02^h	0.62 ± 0.01ⁱ
	D	0.35 ± 0.01^a	0.37 ± 0.01^b	0.40 ± 0.02^c	0.43 ± 0.02^d	0.46 ± 0.01^e	0.49 ± 0.01^f	0.53 ± 0.02^g	0.56 ± 0.02^h	0.59 ± 0.01ⁱ
Pea salt (10%)	A	0.38 ± 0.02^a	0.48 ± 0.01^b	0.56 ± 0.01^c	0.66 ± 0.02^d	ND	ND	ND	ND	ND
	B	0.38 ± 0.02^a	0.44 ± 0.02^b	0.49 ± 0.01^c	0.55 ± 0.02^d	0.60 ± 0.02^e	0.69 ± 0.02^f	ND	ND	ND
	C	0.38 ± 0.02^a	0.42 ± 0.01^b	0.45 ± 0.02^c	0.48 ± 0.02^d	0.51 ± 0.01^e	0.54 ± 0.01^f	0.57 ± 0.02^g	0.60 ± 0.02^h	0.64 ± 0.01ⁱ
	D	0.38 ± 0.02^a	0.40 ± 0.01^a	0.43 ± 0.02^b	0.46 ± 0.02^c	0.49 ± 0.01^d	0.52 ± 0.01^e	0.54 ± 0.02^f	0.57 ± 0.02^g	0.60 ± 0.01^h

Mean value ± standard deviation of three replicates, ^(a−i) means significantly different (p ≤ 0.05) column wise

Where, A Butter paper, B Butter paper + Polyethylene terephthalate (PET) box, C Butter paper + low density polyethylene (LDPE) pouch, D Butter paper + Aluminum laminate, ND Not detected