Table 4.

Variation in limonene content of dry ginger for various slice lengths and drying methods

Slice length, (mm)	Limonene content (mg/g of ginger essential oil)
	Drying methods,
	Open sun drying	Solar tunnel drier	Tray drier 50 °C	Tray drier 55 °C	Tray drier 60 °C	Tray drier 65 °C
5	0.6	0.4	0.4	0.3	0.5	0.5
10	0.6	0.4	0.4	0.3	0.5	0.5
15	0.6	0.6	0.4	0.3	0.6	0.6
20	0.7	0.7	0.6	0.3	0.6	0.6
30	0.7	0.7	0.5	0.3	0.5	0.6
40	0.7	0.7	0.6	0.3	0.6	0.6
50	0.7	0.9	0.6	0.4	0.7	0.7
Whole (control)	0.9	1.0	0.7	0.5	0.7	0.7
			SED		CD at 5 %
Slice length			0.01		0.02
Drying methods			0.01		0.01
Slice length × Drying method			0.01		0.04

N = 3