Table 5.

Main terpenes from SS adsorbate identified in PAMPA-BBB study.

Terpene	PAMPA-BBB Log Pe (cm/s) (RSD %) Sea Sand Adsorbate
Chromene derivative	−6.82 (8.2)
Hexahydrofarnesyl acetone	−4.39 (12.1)
Phytol	−6.12 (26.6)
Squalene	−4.88 (14.9)
γ-Tocopherol	−5.05 (13.2)
β-Tocopherol	−4.97 (11.8)
α-Tocopherol	−5.94 (10.1)
β-Sitosterol	−6.04 (7.8)
β-Amyrin	−6.32 (3.1)
Lupenol acetate	n.d. *
Ursolic acid derivative I	n.d. *
Ursolic acid derivative II	−5.61 (4.9)
Erythrodiol	−6.24 (18.5)
Uvaol	−5.82 (18.4)

* n.d.: no data.