Table 3. Changes in the reducing sugar content and soluble solids content of the kimchi cabbages treated with pallet unit-controlled atmosphere packaging during storage

Qualityparameter	Treatment	Storage period (day)
Qualityparameter	Treatment	0	20	40	60	80
Reducing sugar content (mg/g)	Control	17.86±0.37⁴⁾^A^a⁵⁾	17.29±0.91^A^a	16.61±1.61^A^a^b	16.26±0.92^A^a^b	15.33±0.41^A^b
	PUCA 1¹⁾	17.86±0.37^A^a	16.25±1.94^A^a^b	16.07±1.37^A^a^b	16.08±0.69^A^a^b	15.32±1.21^A^b
	PUCA 2²⁾	17.86±0.37^A^a	17.95±1.32^A^a	16.33±0.36^A^a^b	15.82±2.00^A^a^b	15.25±0.86^A^b
	PUCA 3³⁾	17.86±0.37^A^a	16.93±1.09^A^a^b	16.08±1.67^A^a^b	15.86±0.23^A^a^b	15.63±1.30^A^b
Soluble solids content (°Brix)	Control	4.77±0.12^A^a	5.07±0.80^A^a	4.80±0.36^A^a	4.97±0.21^A^a	5.17±0.60^A^a
	PUCA 1	4.77±0.12^A^a	4.97±0.42^A^a	4.80±0.29^A^a	4.53±0.35^A^a	4.53±0.35^A^a
	PUCA 2	4.77±0.12^A^a	4.63±0.60^A^a	4.50±0.60^A^a	4.60±0.36^A^a	4.70±0.30^A^a
	PUCA 3	4.77±0.12^A^a	4.63±0.28^A^a	4.30±0.52^A^a	4.67±0.21^A^a	4.47±0.52^A^a

¹⁾PUCA 1: 0.5% O₂ + 2% CO₂.
²⁾PUCA 2: 2% O₂ + 2% CO₂.
³⁾PUCA 3: 2% O₂ + 10% CO₂.
⁴⁾Each value is mean±SD.
⁵⁾Mean values in the same column (A) or row (a-b) followed by different letters are significantly different according to Duncan’s multiple range test (p<0.05).