Rosmarinic acid is a type of polyphenol found in rosemary, red peaches, and other plants in the family Perilla. It is believed to be an effective antioxidant, reduces sugar absorption, and allergic symptoms such as pollinosis. It is used in health foods and other products.
In this application, rosmarinic acid in red perilla juice was analyzed under isocratic conditions.
A columns with 3.0 mm inner diameter provides excellent analysis and offers solvent saving of 60% compared to columns with 4.6 mm inner diameter.