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Unlike green algae, brown algae contain no or little phosphatidylserine, possessing an unusual aminophospholipid, phosphatidyl\u2010<jats:italic>O<\/jats:italic>\u2010[<jats:italic>N<\/jats:italic>\u2010(2\u2010hydroxyethyl) glycine], PHEG, instead. When our routinely used technique of <jats:sup>31<\/jats:sup>P\u2010NMR analysis of phospholipids was applied to the samples of edible New Zealand brown algae, a number of signals corresponding to unidentified phosphorus\u2010containing compounds were observed in total lipids. NI (negative ion) ESI QToF MS spectra confirmed the presence of more familiar phospholipids, and also suggested the presence of PHEG or its isomers. The structure of PHEG was confirmed by comparison with a synthetic standard. An unusual MS fragmentation pattern that was also observed prompted us to synthesise a number of possible candidates, and was found to follow that of phosphatidylhydroxyethyl methylcarbamate, likely an extraction artefact. An unexpected outcome was the finding of ceramidephosphoinositol that has not been reported previously as occurring in brown algae. An uncommon arsenic\u2010containing phospholipid has also been observed and quantified, and its TLC behaviour studied, along with that of the newly synthesised lipids.<\/jats:p>","DOI":"10.1007\/s11745-017-4266-x","type":"journal-article","created":{"date-parts":[[2017,6,3]],"date-time":"2017-06-03T03:21:11Z","timestamp":1496460071000},"page":"629-639","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Phospholipids of New Zealand Edible Brown Algae"],"prefix":"10.1002","volume":"52","author":[{"given":"Mikhail","family":"Vyssotski","sequence":"first","affiliation":[{"name":"Callaghan Innovation 69 Gracefield Road 5040 Lower Hutt P.O. Box 31310 New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kirill","family":"Lagutin","sequence":"additional","affiliation":[{"name":"Callaghan Innovation 69 Gracefield Road 5040 Lower Hutt P.O. Box 31310 New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew","family":"MacKenzie","sequence":"additional","affiliation":[{"name":"Callaghan Innovation 69 Gracefield Road 5040 Lower Hutt P.O. Box 31310 New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kevin","family":"Mitchell","sequence":"additional","affiliation":[{"name":"Callaghan Innovation 69 Gracefield Road 5040 Lower Hutt P.O. Box 31310 New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dawn","family":"Scott","sequence":"additional","affiliation":[{"name":"Callaghan Innovation 69 Gracefield Road 5040 Lower Hutt P.O. 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