Table 3.

Variation in zingiberene content in the essential oil of dry ginger for various slice lengths and drying methods

Slice length, (mm)	Zingiberene 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	5.9	4.0	5.8	4.6	5.9	4.8
10	6.0	4.0	6.2	4.5	5.9	4.9
15	6.5	4.8	6.2	5.1	5.8	6.0
20	6.7	5.8	6.2	5.1	5.9	6.1
30	6.7	6.1	6.2	5.6	6.0	6.1
40	7.3	6.3	6.0	5.9	6.1	6.1
50	7.4	8.6	6.3	6.3	6.2	7.2
Whole (control)	8.5	8.6	7.4	6.2	7.3	7.3
			SED		CD at 5 %
Slice length			0.10		0.20
Drying methods			0.09		0.17
Slice length × Drying method			0.24		0.48

N = 3