Table 2 Fitted equations in the prediction of the storage period, weight loss, reducing sugar content, and moisture content of kimchi cabbages during storage by the single or multiple linear regressions.

Cultivar	Treatment	Parameter	Regression equation
Summer kimchi cabbage	Control	Storage period	913.19 – 9.71 × Moisture content + 4.20 × Weight loss
		Weight loss	0.14 × Storage period
		Reducing sugar content	-76.53 + 1.04× Moisture content
		Moisture content	86.08– 0.03 × Storage period + 0.38 × Reducing sugar content
	PUCA	Storage period	42.41× Weight loss
		Weight loss	0.02 × Storage period
		Reducing sugar content	-199.06 + 2.35 × Moisture content
		Moisture content	89.3– 0.35 × Weight loss + 0.22 × Reducing sugar content
Winter kimchi cabbage	Control	Storage period	1882.80 + 4.98 × Weight loss – 19.18 × Moisture content – 3.48 × Reducing sugar content
		Weight loss	0.07 × Storage period
		Reducing sugar content	27.06– 0.04 × Storage period
		Moisture content	93.25– 0.024 × Storage period
	PUCA	Storage period	143.83 + 64.97 × Weight loss – 5.09 × Reducing sugar content
		Weight loss	0.01 × Storage period
		Reducing sugar content	-187.25 – 0.02 × Storage period + 2.29 × Moisture content