Chondroprotective Effects of Gubitong Recipe via Inhibiting Excessive Mitophagy of Chondrocytes

Table 2

Chemical identification of GBT recipe.

No.	RT (min)	Name	Formula	Ion	Cal. m/z	Mea. m/z	Error (ppm)	MS/MS
1	2.39	Psoralen	C11H6O3	M−H	185.0244	185.0251	9.617	185.0251, 147.0325
2	5.52	Protocatechuic acid	C7H6O4	M − H	153.0193	153.0194	7.743	153.0194, 109.0296
3	6.09	Catechin	C15H14O6	M − H	289.0717	289.0717	3.582	289.0717
4	6.84	Pinoresinol diglucoside	C32H42O16	M + H	683.2545	683.2535	−3.167	519.1923, 357.2159
5	8.49	Sinomenine	C19H23NO4	M + H	330.1699	330.1709	2.772	330.1709
6	13.42	Epicatechin	C22H18O10	M − H	441.0827	441.0829	2.895	441.0829
7	15.77	Naringin	C27H32O14	M − H	579.1719	579.1722	2.328	579.1722, 271.0612, 151.0037
8	18.65	Tubeimoside I	C63H98O29	M + H	1319.627	1319.628	4.783	1319.628, 677.2439
9	19.19	Icariin	C33H40O15	M + H	677.2439	677.2439	3.822	677.2439, 369.1335, 313.0708