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UV-Vis absorption spectra of the 12 SC-CO2 extracts N. sativa seeds. (a) The extracts A1, A2, and A3 (pressure 2500 psi), (b) the extracts B1, B2, and B3 (pressure 3000 psi), (c) the extracts C1, C2, and C3 (pressure 4500 psi), and (d) the extracts D1, D2, and D3 (pressure 6000 psi). Color images available online at www.liebertpub.com/jmf
