{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T15:10:44Z","timestamp":1786979444573,"version":"build-2736575974"},"reference-count":35,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[1968,1,1]],"date-time":"1968-01-01T00:00:00Z","timestamp":-63158400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Lipids"],"published-print":{"date-parts":[[1968,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    The photosynthetic marine dinoflagellate,\n                    <jats:italic>Gyrodinium resplendens<\/jats:italic>\n                    , was grown axenically and harvested during logarithmic growth for analysis of its lipid\u2010soluble pigments. Chlorophyll\n                    <jats:italic>a<\/jats:italic>\n                    and 8 carotenoids were isolated from the methanol and acetone extract by column and thin\u2010layer chromatography. Chlorophyll\n                    <jats:italic>c<\/jats:italic>\n                    was isolated by partitioning the total extract between saline aqueous acetone and hexane.\n                  <\/jats:p>\n                  <jats:p>Absorption spectra taken in hexane, ethanol, methanol and carbon disulfide confirm the presence of \u03b2\u2010carotene, peridinin, dinoxanthin and diadinoxanthin as major carotenoids.<\/jats:p>\n                  <jats:p>\n                    Four new minor xanthophylls are also described, one of which, named\n                    <jats:italic>pyrrhoxanthin<\/jats:italic>\n                    , resembles an alkali\u2010labile keto\u2010epoxide. At least one of the minor xanthophylls occurs as an ester.\n                  <\/jats:p>\n                  <jats:p>\n                    Diadinoxanthin from\n                    <jats:italic>Gyrodinium<\/jats:italic>\n                    and antheraxanthin from\n                    <jats:italic>Euglena gracilis<\/jats:italic>\n                    seem to be identical with respect to absorption curves, polarity, number of 5, 6\u2010epoxy groups and lack of allylic hydroxyl groups; however, co\u2010chromatography of stereoisomers after iodine\u2010isomerization showed slight differences.\n                  <\/jats:p>\n                  <jats:p>Most of the carotenoids are further characterized here by their partition ratios between hexane and 95% methanol. Several of the carotenoids were tested for the presence of 5, 6\u2010epoxy and allylic hydroxyl groups. Four of the pigments, comprising 91% of the total carotenoids are revealed as 5,6\u2010monoepoxides by their instability toward dilute acid. One carotenoid resembles a diepoxide<\/jats:p>","DOI":"10.1007\/bf02530961","type":"journal-article","created":{"date-parts":[[2006,11,21]],"date-time":"2006-11-21T05:02:21Z","timestamp":1164085341000},"source":"Crossref","is-referenced-by-count":157,"title":["Chloroplast pigments of the marine dinoflagellate\n                    <i>Gyrodinium resplendens<\/i>"],"prefix":"10.1002","volume":"3","author":[{"suffix":"III","given":"Alfred R.","family":"Loeblich","sequence":"first","affiliation":[{"name":"Department of Marine Biology Scripps Institution of Oceanography La Jolla California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"V. Elliott","family":"Smith","sequence":"additional","affiliation":[{"name":"Department of Marine Biology Scripps Institution of Oceanography La Jolla California"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[1968,1]]},"reference":[{"key":"e_1_2_1_2_1","first-page":"9","volume":"8","author":"Sch\u00fctt F.","year":"1890","journal-title":"Ber. deutsch. botan. Ges."},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.2307\/1538339"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/0003-9861(53)90023-X"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0021-9258(18)73399-1"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1042\/bj0800336"},{"key":"e_1_2_1_7_1","doi-asserted-by":"crossref","first-page":"142","DOI":"10.1007\/978-3-642-64961-5_6","volume-title":"Modern Methoden der Pflanzenanalyse","author":"Smith J. H. 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Comm."},{"key":"e_1_2_1_29_1","first-page":"1","volume":"125","author":"Strickland J. D. H.","year":"1965","journal-title":"Fish. Res. Bd. Can. Bull."},{"key":"e_1_2_1_30_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0926-6585(96)90005-9"},{"key":"e_1_2_1_31_1","doi-asserted-by":"publisher","DOI":"10.1139\/f61-063"},{"key":"e_1_2_1_32_1","doi-asserted-by":"publisher","DOI":"10.1139\/f64-013"},{"key":"e_1_2_1_33_1","doi-asserted-by":"crossref","unstructured":"Heilbron I. M. andB.Lythgoe J. Chem. 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