Chemical Composition and Nutraceutical Potential of Indian Borage (Plectranthus amboinicus) Stem Extract

Figure 4

HPLC chromatogram of the crude methanolic stem extract of Plectranthus amboinicus. Antioxidants present and their corresponding retention times (min); gallic acid—12.04 (280 nm); caffeic acid—23.77 (325 nm); p-coumaric acid—28.72 (325 nm); rutin—34.30 (325 nm); rosmarinic acid—36.63 (325 nm); and quercetin—40.32 (325 nm).