Table 8.

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

Slice length, (mm)	Gingerol content (mg/g of dry ginger)
	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	18.2	19.0	17.1	17.1	17.0	17.0
10	19.5	19.5	17.2	17.1	19.2	18.0
15	20.5	21.1	17.6	20.3	20.1	18.0
20	23.6	22.8	18.4	21.2	22.0	19.0
30	24.3	23.2	19.4	22.4	23.8	21.9
40	25.4	24.6	21.1	23.5	24.2	24.0
50	27.5	26.0	23.0	26.0	26.1	25.5
Whole (control)	28.0	28.2	26.5	26.2	26.8	26.2
			SED		CD at 5 %
Slice length			0.29		0.59
Drying methods			0.25		0.51
Slice length × Drying method			0.72		1.44

N = 3