Comparison of rosmarinic acid content in commercial tinctures produced from fresh and dried lemon balm (Melissa officinalis)

• Main Authors: Alberto Sanchez-Medina (Author), Christopher J. Etheridge (Author), Geoffrey E. Hawkes (Author), Peter J. Hylands (Author), Barbara A. Pendry (Author), Michael J. Hughes (Author), Olivia Corcoran (Author)
• Format: Book
• Published: Frontiers Media S.A., 2007-10-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Purpose. To measure the rosmarinic acid content of eight commercial tinctures derived from fresh (n= 5) and dried (n=3) Melissa officinalis herb. Methods. Rosmarinic acid and the internal standard (esculin) were purchased from Aldrich Chemical Co. The column used was a Luna C18, 5 um (150 x 4.6 mm I...