Effect of Pretreatments and Solar Tunnel Dryer Zone on Drying Characteristics and Stability of Pumpkin (Cucurbita maxima) Slices

Table 3

Effective moisture diffusivity () of pumpkin slice at different zones and pretreatments.

Zone	Pretreatment	Drying constant K (-)
Zone I	Control	^gh	^gh
	1% citric acid	^gf	^gf
	2% salt	^h	^h
	1% salt blanched	^f	^f
Zone II	Control	^ed	^ed
	1% citric acid	^b	^b
	2% salt	^e	^e
	1% salt blanched	^c	^c
Zone III
	Control	^d	^d
	1% citric acid	^a	^a
	2% salt	^c	^c
	1% salt blanched	^a	^a
CV (%)		5.104	5.02
LSD		0.0008

Values expressed are mean values of . All mean scores, bearing different superscript in columns differ significantly ().