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Table 1 Urolithins detected in rat fluids and tissues

From: In vivo administration of urolithin A and B prevents the occurrence of cardiac dysfunction in streptozotocin-induced diabetic rats

Urolithin

Test compounds

Rt (min)

[M−H]− (m/z)

MS2 ions (m/z)

MS3 ions (m/z)a

Occurrence

Urolithin B

UB

3.62

211

167, 182

 

H, PC, L

UB-sulphate

2.83

291

211

167

PM, U, H, PC, L

UB-glucuronide

2.15

387

211, 175

167

PM

Urolithin A

UA

2.51

227

183, 159, 199

 

PM, H, PC, L

UA-sulphate

1.79

307

227

198, 183

PM, H, PC, L

  1. PM plasma, U urine, H heart, PC pancreas, L liver, Rt retention time
  2. aMS2 ions in italic were those subjected to MS3 fragmentation for unambiguous identification
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Cardiovascular Diabetology

ISSN: 1475-2840