The Attenuation of Moutan Cortex on Oxidative Stress for Renal Injury in AGEs-Induced Mesangial Cell Dysfunction and Streptozotocin-Induced Diabetic Nephropathy Rats

Table 2

MS fragmentation ion of the main compounds in the extract of MC.

No.	𝑡𝑅/min	[M + H]^+ or [M + Na]^+	Fragment (𝑚/𝑧)	Compound
1	9.38	171	170, 125	Gallic acid
2	11.61	465	464, 303, 171, 139	Mudanoside B
3	23.08	545	544, 499, 423, 383, 377	Paeoniflorin sulfonate
4	29.64	497	467, 360, 335, 167, 139	Oxypaeoniflorin
5	51.65	481	527, 451, 329, 167, 123	Paeoniflorin
6	73.54	771	601, 305, 431, 233	1,2,3,6-Tetra-O-galloyl-beta-d-glucose
7	88.52	771	601, 431, 305, 279, 261, 413, 449, 233	1,2,3,4,6-Penta-O-galloyl-D-glucopyranose
8	98.42	601	479, 449, 431, 123	Benzoyloxypaeoniflorin
9	104.59	585	555, 463, 433, 123	Benzoylpaeoniflorin
10	108.73	167	149, 125	Paeonol