Colour Interval Value Publication Food Name Reference
[ 20.00, 23.33 ) 20.00 mg/100 g FW Herbs - Dried leaves - Spearmint 2 Wang H., et al (2004) Determination of rosmarinic acid and caf.... Food Chemistry 87:307-311
[ 23.33, 26.67 ) 25.00 mg/100 g FW Spearmint - Mentha spicata L. Kivilompolo M., et al (2007) Comprehensive two-dimensional liquid chr.... Journal of Chromatography A 1145:155-164 PubMed (17307195)
[ 26.67, 30.01 ) 30.00 mg/100 g FW Herbs - Dried leaves - Spearmint 1 Wang H., et al (2004) Determination of rosmarinic acid and caf.... Food Chemistry 87:307-311