Distribution of microsomal hydroxylase activities
for lauric acid, palmitic acid, stearic acid, and 3-chlorobiphenyl
among marine macroalgae. The standard procedures in Methods were used. Mean values ± sds were derived
from three replicates. The numbers on the abscissa refer to the
following algal species and their origins (N, North Sea; P, purchased;
A, Antarctic): Chlorophyta: 1, C.
mexicana Harv. (P); 2, U. lactuca (L.) (N); 3,
Enteromorpha compressa (L.) Grev. (N); 4,
C. rupestris (L.) Kütz (N); 5, H.
opuntia (L.) Lamour. (P); Chromophyta: 6,
Ascophyllum nodosum (L.) LeJol (N); 7, Cystoseira
baccata (Gmel.) Silva. (N); 8, L. digitata
(Huds.) Lamour. (N); 9, L. hyperborea (Gunn.) Fosl. (N);
10, L. saccharina (L.) Lamour. (A);
11, Halydris siliquosa (L.) Lyngb. (N); 12, F.
vesiculosus (L.) (N); 13, F. spiralis (L.) (N);
14, Fucus serratus (L.) (N); Rhodophyta:
15, Delesseria sanguinea (Huds.) Lamour. (N); 16,
Chondrus crispus Stackh. (N); 17, Plocamium
cartilagineum (L.) Dixon (N); 18, Porphyra
umbilicalis (L.) J.Ag. (N); 19, Cystoclonium
purpureum (Huds.) Batt. (N); 20, I. cordata
Kütz. (A); and 21, P. urceolata (Lightf. ex
Dillw.) (A).