Table 6. Gingerol and shogaol contents of ginger and ginger pomace by hot-air drying and freeze-drying

Treatment¹⁾	Gingerol (mg%)	Shogaol (mg%)
FGHAD	680.90±0.13^b2)	9.90±0.00^a
FGFRD	708.03±0.05^b	11.00±0.00^a
GPHAD	914.47±1.10^a	12.10±0.00^a
GPFRD	964.33±0.07^a	11.73±0.00^a

FGHAD, fresh ginger hot-air dried (50°C, 8 h); FGFRD, fresh ginger freeze-dried; GPHAD, ginger pomace hot-air dried; GPFRD, ginger pomace freeze-dried.
All values represent mean±SD (n=3).
Means with different superscript letters (^a,b) in the same column are significantly different at p<0.05 by Duncan’s multiple range test.