Table 6.

Principle, sources, compounds, and process conditions used in pressurized liquid extraction

Principle	Sources	Compounds extracted	Process conditions	Reference
Extract targeted analytes from a sample matrix into a small amount of S using high Ts and pressures	Rosmarinus officinalis L. (rosemary) leaves	Rosmarinic acid, Carnosic acid, Carnosol	183 °C, 130 bar, and 3 min	Hirondart et al. 2020
	Silybum marianum L. Gaertner fruits	Silymarin	Acetone, 125 °C, 10 min, and 60 bar	Wianowska and Wiśniewski 2015
	Feijoa leaf	Gallic acid, Catechin and Isoquercetin	Ethanol–water, 80 °C	Santos et al. 2021
	Orange peel	Hesperidin, Naringin, Narirutin, tangeretin, naringenin, hesperidin	75% ethanol, 65 °C, 40 min, and 10 MPa	Anticona et al. 2020
	underutilized chia seeds	Omega 3-rich oils (ALA and Linoleic acid)	Ethanol, 60 °C, and 10 min	Villanueva-Bermejo, 2019
	Moringa oleifera leaves	Phenolic compounds	35% ethanol, 128 °C, 20 min	Rodríguez-Pérez et al. 2016
	Neochloris oleoabundans	Carotenoids	Ethanol, 100 °C, 20 min, 1500 psi, 0.6 g algae + 2 g sea-sand	Castro-Puyana et al. 2017
	Fucus vesiculosus	Gallic, Protocatechuic, and Gentisic acids	58.65% ethanol, 137.18 °C, and 4.68 min,	Sumampouw et al. 2021
	Chlorella sp. microalgae	Phenolic compounds	Water, 100 °C and 250 °C, and 5 to 20 min	Zakaria et al. 2020