Abstract
Segments of Sphagnum fuscum shoots from the depth of 18–20 cm at Karevansuo bog, SW-Finland, contained 2.2 mg · g -1 DW polymerized lipids, of which 93 % were derived from the leafy branches and 7 % from the stem part. The composition of the polymer monomers was qualitatively similar in the leafy branches and stems (i.e. long-chain hydroxy acids, dicarboxylic acids, fatty acids and fatty alcohols), but quantitative variation occurred between the monomer groups. The lipid polymers of the cell wall preparations from leafy branches were characterized by a high proportion of hydroxy acid monomers (62%), with 18-hydroxyoctadec-9-enoic acid and 9, 16+10, 16-dihydroxyhexadecanoic acids as major members. The stem was characterized by high proportions of hydroxy acids (43.5 %) and fatty acids (43.5 %).
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