“…[17] Cyanus segetum Hill Rosmarinic acid Lavandula angustifolia Mill. [48] Four phenolic acids (gallic acid-1.05 ± 0.61 (mg/g); caffeic acid-0.19 ± 0.02 (mg/g); ferulic acid-0.48 ± 0.27 (mg/g); rosmarinic acid-5.49 ± 0.96 (mg/g)) were also identified in the flower extract of Lavandula angustifolia Mill., by ultrasound-assisted extraction with natural eutectic solvents (NADESs) and reference solvents (70% ethanol, 80% methanol) [48]. Krzymi ńska et al [49], studied the phenolic acid profile of five cultivars of Tulipa gesneriana L., in which significant amounts of hydroxybenzoic acids (phydroxybenzoic, 2,5-dihydroxybenzoic, gallic, vanillic, syringic, salicylic, protocatechuic), and hydroxycinnamic acids (trans-cinnamic, p-coumaric, caffeic, ferulic, chlorogenic, sinapic) were identified, while it was noted that the profile of the phenolic acids of the flowers studied varied according to the cultivar, the production system, and the storage time.…”