Table 1.
Changes in firmness, soluble solids content (SSC), pH, titratable acidity (TA) of kohlrabi stem at the beginning, the end of storage at room temperature (RT) and dur ing the storage at 4°C with or without PE film package

Treatments		Storage period (days)	Firmness (N)	Color (L)	SSC (°Brix)	pH	TA
		Initial	55.48±10.561)	25.00±0.51	9.90±0.26	6.40±0.01	0.45±0.02
		RT	Nonpackage	7	55.73±7.55^a2)	23.75±0.44^a	10.64±0.55^b	6.07±0.03^ab	0.15±0.01^b
14	56.11±7.91^a			23.40±0.46^a	10.46±0.62^b	6.14±0.11^a	0.16±0.01^ab
21	52.69±7.56^a			23.37±0.6^a	10.80±0.26^b	5.92±0.02^b	0.19±0.00^a
28	52.69±2.53^a			23.79±0.5^a	12.44±0.22^a	5.92±0.02^b	0.15±0.00^b
Package	7		54.71±7.91^a	24.13±0.63^ab	9.72±0.17^a	6.24±0.01^a	0.13±0.02^b
	14		54.94±7.55^a	24.14±0.71^ab	9.18±0.70^a	6.31±0.03^a	0.12±0.00^b
	21		56.31±8.00^a	23.73±0.72^b	9.76±0.34^a	6.16±0.01^b	0.18±0.00^a
	28		58.37±8.32^a	24.65±0.65^a	10.54±0.40^a	6.26±0.01^a	0.13±0.00^b
4°C	Nonpackage		7	55.86±7.78^a	24.91±0.72^a	9.82±0.30^c	6.22±0.09^a	0.16±0.01^b
		14	54.02±7.32^a	23.48±0.77^bc	9.04±0.48^c	6.09±0.01^a	0.14±0.00^b
		21	53.15±2.55^a	24.50±0.61^ab	9.44±0.44^c	5.92±0.01^b	0.14±0.00^b
		28	54.74±7.79^a	24.56±0.67^ab	10.50±0.31^bc	5.95±0.01^b	0.15±0.00^b
		56	56.36±7.68^a	23.14±0.53^c	11.94±0.50^ab	6.15±0.01^a	0.21±0.01^a
		84	52.85±7.36^a	19.63±0.81^d	12.50±0.90^a	5.91±0.02^b	0.21±0.01^a
	Package	7	55.60±7.61^a	24.19±0.56^a	9.46±0.3^9a	6.14±0.01^c	0.13±0.00^cd
		14	54.53±7.49^a	22.41±0.56^b	9.26±0.31^a	6.14±0.01^c	0.12±0.00^d
		21	54.81±7.20^a	23.17±0.5^ab	10.56±0.15^a	6.04±0.01^d	0.15±0.02^bcd
		28	58.66±8.07^a	22.83±0.75^b	10.48±0.27^a	6.08±0.02^cd	0.15±0.01^bc
		56	57.33±7.79^a	22.88±0.59^b	10.10±0.65^a	6.37±0.01^a	0.17±0.01^ab
		84	58.38±8.38^a	19.46±0.84^c	10.68±0.76^a	6.25±0.06^b	0.19±0.00^a

Values are means±standard errors of five replicates.
Mean separation within columns by Duncan's multiple range test, p<0.05.