Mathematical modeling of modified atmosphere package/LDPE film combination and its application to design breathing cylinders for extending the shelf life of green asparagus

Lu, Wen-Chien; Cheng, Yu-Tsung; Lai, Chien-Jung; Chiang, Been-Huang; Huang, Ping-Hsiu; Li, Po-Hsien

doi:10.1186/s40538-023-00386-8

Chemical and Biological Technologies in Agriculture

Table 1 Changes in quality indicators of green asparagus spears during storage

From: Mathematical modeling of modified atmosphere package/LDPE film combination and its application to design breathing cylinders for extending the shelf life of green asparagus

Storage time (days)	Fiber content (%)			Vitamin C content (mg/100 g)			Firmness (N)			Chlorophyll content (ppm)			Alcohol-soluble saccharide content (µg/g)
Storage time (days)	Control	T1	T2	Control	T1	T2	Control	T1	T2	Control	T1	T2	Control	T1	T2
0	1.11 ± 0.15^Ad	1.11 ± 0.015^Aa	1.11 ± 0.15^Aa	24.51 ± 0.28^Aa	24.51 ± 0.28^Ab	24.51 ± 0.28^Aa	2057 ± 133^Ac	2057 ± 133^Abc	2057 ± 133^Aab	3.72 ± 0.12^Aa	3.72 ± 0.12^Aa	3.72 ± 0.12^Aa	0.28 ± 0.01^Aa	0.28 ± 0.01^Aa	0.28 ± 0.01^Aa
4	1.37 ± 0.07^Ac	0.49 ± 0.01^Bb	0.57 ± 0.03^Bd	18.65 ± 0.38^Ab	22.7 ± 0.00^Ab	19.90 ± 1.96^Ab	2294 ± 208^Aa	2244 ± 205^Aa	2181 ± 149^Aa	4.38 ± 0.24^Aa	4.09 ± 0.08^Aa	4.09 ± 1.29^Aa	0.21 ± 0.04^Aa	0.27 ± 0.10^Aa	0.26 ± 0.03^Aa
8	1.46 ± 0.03 ^Ac	0.48 ± 0.02^Cb	1.15 ± 0.06^Ba	18.49 ± 1.12^Bb	23.66 ± 0.21^Ab	17.64 ± 1.05^Bd	2165 ± 178^Ab	2129 ± 227^Ab	2139 ± 142A^ab	3.38 ± 0.45^Aa	3.55 ± 0.40^Aab	3.15 ± 0.02^Aa	0.29 ± 0.05^Aa	0.24 ± 0.06^Aa	0.26 ± 0.02^Aa
12	1.74 ± 0.02^Ab	0.43 ± 0.04^Cb	0.76 ± 0.07^Bb	15.23 ± 0.12^Cc	24.86 ± 0.65^Ab	18.63 ± 0.43^Bc	2393 ± 117^Aa	2014 ± 148^Cbc	2194 ± 158^Ba	3.30 ± 0.82^Aa	3.20 ± 0.10^Ab	3.07 ± 0.19^Aa	0.27 ± 0.06^Aa	0.24 ± 0.05^Aa	0.26 ± 0.06^Aa
16	1.93 ± 0.03^Aa	0.48 ± 0.06^Cb	0.68 ± 0.08^Bb	12.80 ± 0.28^Bd	25.32 ± 0.64^Ab	23.87 ± 1.46^Aa	2412 ± 124^Aa	1965 ± 116^Cc	2167 ± 193^Ba	3.49 ± 0.54^Aa	3.45 ± 0.31^Ab	3.64 ± 0.33^Aa	0.21 ± 0.01^Aa	0.23 ± 0.06^Aa	0.22 ± 0.05^Aa
20	1.90 ± 0.02^Aa	0.37 ± 0.03^Cb	0.52 ± 0.04^Bd	10.38 ± 0.13^Ce	27.28 ± 0.13^Aa	20.38 ± 0.27^Bb	2347 ± 116^Aa	2014 ± 113^Cbc	2160 ± 167^Ba	3.44 ± 0.59^Aa	3.98 ± 0.36^Aa	3.36 ± 0.47^Aa	0.22 ± 0.05^Aa	0.22 ± 0.05^Aa	0.23 ± 0.04^Aa

Mean ± SD of values from triple trials
Means in the same column with different letters differ significantly (p < 0.05) according to Duncan’s multiple range test
Means in the same row with different capitals differ significantly (p < 0.05) according to Duncan’s multiple range test
T1: Treatment group 1, with active MAP
T2: Treatment group 2, with passive MAP (sealed packing)
Control: Control group, with no treatment, exposed to air

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