Table 2.

Gingerols isolated from Z. officinale.

No.		Chemical component	Formula	Ref.
	Gingerols
1		4-Gingerol	C15H22O4	[9]
2		Methyl-4-gingerol	C16H24O4	[9]
3		5-Gingerol	C16H24O4	[9]
4		6-Gingerol	C17H26O4	[10]
5		Methyl-6-gingerol	C18H28O4	[10]
6		8-Gingerol	C19H30O4	[10]
7		10-Gingerol	C21H34O4	[10]
8		12-Gingerol	C23H38O4	[11]
9		Acetoxy-4-gingerol	C17H24O5	[12]
10		Acetoxy-6-gingerol	C19H28O5	[12]
11		Acetoxy-8-gingerol	C21H32O5	[10]
12		Acetoxy-10-gingerol	C23H36O5	[10]
	Shogaols
13		4-Shogaol	C15H20O3	[10]
14		Methyl-4-shogaol	C16H22O3	[9]
15		5-Shogaol	C16H22O3	[9]
16		6-Shogaol	C17H24O3	[10]
17		Methyl-6-shogaol	C18H26O3	[9]
18		8-Shogaol	C19H28O3	[10]
19		Methyl-8-shogaol	C20H30O3	[9]
20		10-Shogaol	C21H32O3	[10]
21		12-Shogaol	C23H36O3	[10]
	Paradols
22		6-Paradol	C17H26O3	[10]
23		Methyl-6-paradol	C18H28O3	[9]
24		8-Paradol	C19H30O3	[13]
25		Methyl-8-paradol	C20H32O3	[9]
26		10-Paradol	C21H34O3	[12]
27	Zingerone		C11H14O3	[13]
	Gingerdione
28		6-Gingerdione	C17H24O4	[12]
29		8-Gingerdione	C19H28O4	[13]
30		10-Gingerdione	C21H32O4	[10]
31		12-Gingerdione	C23H36O4	[9]
32		1-Dehydro-6-gingerdione	C17H22O4	[13]
33		1-Dehydro-8-gingerdione	C19H26O4	[13]
34		1-Dehydro-10-gingerdione	C21H30O4	[13]
35		1-Dehydro-12-gingerdione	C23H34O4	[13]
	Gingerdiol
36		4-Gingerdiol	C15H24O4	[9]
37		6-Gingerdiol	C17H28O4	[10]
38		8-Gingerdiol	C19H32O4	[9]
39		10-Gingerdiol	C21H36O4	[9]
40		5-Acetoxy-4-gingerdiol	C17H26O5	[9]
41		Methyl-5-acetoxy-4-gingerdiol	C18H28O5	[9]
42		5-Acetoxy-6-gingerdiol	C19H30O5	[10]
43		Methyl-5-acetoxy-6-gingerdiol	C20H32O5	[10]
44		Diacetoxy-4-gingerdiol	C19H28O6	[10]
45		Methyl-diacetoxy-4-gingerdiol	C20H30O6	[9]
46		Diacetoxy-6-gingerdiol	C21H32O6	[12]
47		Methyl-diacetoxy-6-gingerdiol	C22H34O6	[12]
48		Diacetoxy-8-gingerdiol	C23H36O6	[9]
49		Methyl-diacetoxy-8-gingerdiol	C24H38O6	[9]