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Table 2 HPLC analysis of ethanolic extracts for phenolic compound contents

From: Chemical composition and bioactivity of essential oils and Ethanolic extracts of Ocimum basilicum L. and Thymus algeriensis Boiss. & Reut. from the Algerian Saharan Atlas

Phenolic standard compounds Standard retention time RT (min) Ocimum basilicum
(μg/g)
Thymus
algeriensis
(μg/g)
Gallic acid 6.8 17.61 10.49
3,4-dihydroxy benzoic acid 10.7 21.56 1.42
4-hydroxy benzoic acid 15.7 46.29 10.03
2,5 dihydroxybenzoic acid 17.2 52.14 778.76
Chlorogenic acid 18.2 25.11 22.68
Vanillic acid 19.2 138.24 182.67
Epicatechin 21.3 225.01 824.79
Caffeic acid 22.7 6.48 33.30
p-coumaric acid 26.1 12.83 83.80
Ferulic acid 30.1 25.00 34.30
Rutin 45.6 476.28 280.39
Ellagic 47.7 27.64 374.58
Naringin 49.7 21.02 120.67
Quercetin 70.4 0.36 2.84
Cinnamic acid 71.1 54.68 20.51