A putative Chondroprotective role for IL-1β and MPO in herbal treatment of experimental osteoarthritis

Table 1 Chromatographic, mass spectral characteristics and tentative identification of compounds in the herbal formula by UPLC-ESI(−ve)-MS

Compound	T_r (min)	Tentative Identification	Molecular Weight	(−)-ESI-MS (m/z)	Reference(s)
1	2.07	10- gingerdiol	352	351 [M-H]-	Tanaka et al. 2015 [28]
2	7.76	Acetoxy-10-gingerol	392	391 [M-H]-	H. Jiang et al. 2005 [25]
3	9.43	13-Paradol	376	375 [M-H]-	Tanaka et al. 2015 [28]
4	14.91	1- Dehydro-12- gingerdione	374	373 [M-H]-	H. Jiang et al. 2005 [25]
5	16.09	Methyl-6-gingerol	308	307 [M-H]-	L. B., Ahui M. et al. 2013 [27]
6	19.24	7- Paradol	292	291 [M-H]-	Tanaka et al. 2015 [28]
7	19.86	Curcumin	368	367 [M-H]-	Herebian et al. 2009 [29]
8	22.17	Methyl diacetoxy-6-gingerdiol	394	393 [M-H]-	Tanaka et al. 2015 [28]
9	22.88	10-gingerol	350	349 [M-H]-	H. Jiang et al. 2005 [25] TAO et al. 2009 [26] L. B., Ahui M. et al. 2013 [27]
10	23.6	6-Paradol	278	277 [M-H]-	TAO et al. 2009 [26] Tanaka et al. 2015 [25]
11	26.29	Dihydrocurumin	370	369 [M-H]-	Herebian et al. 2009 [29]

ISSN: 2662-7671