ABSTRACT

P. brodiaei. CAROTENOIDS: α-carotene, β-carotene, α-cryptoxanthin, β-cryptoxanthin, lutein, zeaxanthin.

Bjoernland et al., Phytochemistry, 15, 291 (1976)

P. nigrescens. HALOGENATED PHENOLICS: 2,3-dibromo-4,5-dihydroxybenzyl alcohol, 3,5dibromo-p-hydroxybenzyl alcohol, 2,3,2′,3′-tetrabromo-4,5,4′,5′- tetrahydroxyphenylmethane, 2,3,6-tribromo-4,5-dihydroxybenzyl alcohol.