Table 2.

High-Performance Liquid Chromatography Fingerprinting of the Sorghum Leaf Sheath Red Dye Polyphenol Contents

Polyphenol compounds	Composition mg/g	LOD μg/mL	LOQ μg/mL
Gallic acid	5.83±0.01	0.04	0.12
Caffeic acid	70.95±0.01	0.01	0.04
Ferulic acid	61.39±0.02	0.02	0.08
Rutin	21.06±0.01	0.02	0.06
Kaempferol	24.52±0.03	0.01	0.05

Results are expressed as mean±SD of three determinations. Chromatographic conditions are as described in the Materials and Methods section.

LOD, limit of detection; LOQ, limit of quantification; SD, standard deviations.