C P Siegers
- Siegers C, Bodinet C, Ali S, Siegers C. Bacterial deconjugation of arbutin by Escherichia coli. Phytomedicine. 2003;10 Suppl 4:58-60 pubmed..coli suspension was investigated in 4 volunteers. They ingested 6 dragees Cystinol akut (420 mg arbutin equivalent to 168 mg hydroquinone), urine was sampled and assayed by a validated HPLC method...