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<!DOCTYPE html> <html lang="en" xmlns:mml="http://www.w3.org/1998/Math/MathML"> <head>  <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="format-detection" content="telephone=no"> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"> <meta name="description" content="Access full-text academic articles: J-STAGE is an online platform for Japanese academic journals."> <meta name="citation_journal_title" content="Chemical and Pharmaceutical Bulletin" /> <meta name="citation_journal_abbrev" content="Chem. Pharm. Bull." /> <meta name="citation_publisher" content="The Pharmaceutical Society of Japan" /> <meta name="citation_author" content="MASARU KOBAYASHI" /> <meta name="citation_author_institution" content="Faculty of Pharmaceutical Sciences, Hokkaido University" /> <meta name="citation_author" content="MOTOHITO NISHIZAWA" /> <meta name="citation_author_institution" content="Faculty of Pharmaceutical Sciences, Hokkaido University" /> <meta name="citation_author" content="KAGEMI TODO" /> <meta name="citation_author_institution" content="Faculty of Pharmaceutical Sciences, Hokkaido University" /> <meta name="citation_author" content="HIROSHI MITSUHASHI" /> <meta name="citation_author_institution" content="Faculty of Pharmaceutical Sciences, Hokkaido University" /> <meta name="citation_title" content="Marine Sterols. I. Sterols of Annelida, Pseudopotamilla occelata MOORE" /> <meta name="citation_publication_date" content="1973/02/25" /> <meta name="citation_online_date" content="2011/02/08" /> <meta name="citation_volume" content="21" /> <meta name="citation_issue" content="2" /> <meta name="citation_firstpage" content="323" /> <meta name="citation_lastpage" content="328" /> <meta name="citation_doi" content="10.1248/cpb.21.323" /> <meta name="citation_fulltext_world_readable" content="" /> <meta name="citation_pdf_url" content="https://www.jstage.jst.go.jp/article/cpb1958/21/2/21_2_323/_pdf" /> <meta name="citation_issn" content="0009-2363" /> <meta name="citation_issn" content="1347-5223" /> <meta name="citation_language" content="en" /> <meta name="citation_reference" content="2) J. Austin, “The Sterols of Marine Invertebrates and Plants, ” in “Advances in Steroid Biochemistry and Pharmacology, ” Vol.1, ed. by M. H. Briggs, Academic Press, Inc., New York, 1970, p.73-96." /> <meta name="citation_reference" content="3) a) D. R. Idler, P. M. Wiseman, and L. M. Safe, Steroids, 16, 451 (1970)" /> <meta name="citation_reference" content="b) A. Kanazawa and S. Teshima, Bull. Jap. Soc. Sci. Fish., 37, 675 (1971)" /> <meta name="citation_reference" content="c) M. Kobayashi, R. Tsuru, K. Todo, and H. Mitsuhashi, Tetrahedron Letters, 1972, 2935" /> <meta name="citation_reference" content="d) A. Alcaide, J. Viala, F. Pinte, M. Itoh, T. Nomura, and M. Barbier, C. R., 273, 1386 (1971)" /> <meta name="citation_reference" content="e) Y. M. Sheikh, C. Djerassi, and B. M. Tursch, Chem. Commun., 1971, 217" /> <meta name="citation_reference" content="f) D. R. Idler, L. M. Safe, and E. F. MacDonald, Steroids, 18, 545 (1971)." /> <meta name="citation_reference" content="4) A. de Waele, Bull. Acad. Belg. Cl. Sci., 16, 592 (1930)" /> <meta name="citation_reference" content="C. G. Wilber and W. M. Bayors, Biol. Bull. Woods Hole, 93, 99 (1947)." /> <meta name="citation_reference" content="5) a) B. A. Knights, J. Gas Chromatogr., 5, 273 (1967)" /> <meta name="citation_reference" content="b) S. G. Wyllie and C. Djerassi, J. Org. Chem., 33, 305 (1968)." /> <meta name="citation_reference" content="7) C. J. W. Brooks, E. C. Horning, and J. C. Young, Lipids, 3, 391 (1968)." /> <meta name="citation_reference" content="9) H. E. Vroman and C. F. Cohen, J. Lipid Res., 8, 150 (1962)." /> <meta name="citation_reference" content="10) J. Jacques, H. Kagan, and G. Ourisson, “Tables of Selected Constants, ” Vol.14, la, ed. by S. Allar, Pergamon Press, Inc., New York, 1965." /> <meta name="citation_reference" content="11) L. F. Fieser and M. Fieser, “Steroids, ” Reinhold, Inc., New York, 1959, p.172." /> <meta name="citation_reference" content="12) M. Fryberg, A.C. Oehlschlager, and A.M. Unrau, Chem. Commun., 1971, 1194." /> <meta name="citation_reference" content="13) U. H. M. Fagerlund and D. R. Idler, Can. J. Biochem. Physiol., 38, 997 (1960)." /> <meta name="citation_reference" content="14) D. R. Idler, A. Saito, and P. Wiseman, Steroids, 11, 465 (1968)." /> <meta name="citation_reference" content="15) S. Teshima, A. Kanazawa, and T. Ando, Kagoshima Daigaku Suisan Gakubu Kiyo, 20, 131 (1971)." /> <meta name="citation_reference" content="16) D. R. Idler and P. Wiseman, Comp. Biochem. Physiol., 38, 581 (1971)." /> <meta name="citation_reference" content="17) J. A. M. Wootton and L. D. Wright, Comp. Biochem. Physiol., 5, 253 (1962)." /> <meta name="citation_reference" content="18) L. J. Goad, I. Rubinstein, and A. G. Smith, Proc. Roy. Soc.(London), Ser. B, 180, 223 (1972)." /> <meta name="citation_reference" content="19) J. L. Boutry, A. Alcaide, and M. Barbier, C. R., 272, 1022 (1971)." /> <meta name="dc.identifier" content="10.1248/cpb.21.323" /> <meta name="journal_code" content="cpb1958" /> <meta name="journal_title" content="Chemical and Pharmaceutical Bulletin" /> <meta name="journal_abbrev" content="Chem. Pharm. Bull." /> <meta name="publisher" content="The Pharmaceutical Society of Japan" /> <meta name="authors" content="MASARU KOBAYASHI" /> <meta name="authors_institutions" content="Faculty of Pharmaceutical Sciences, Hokkaido University" /> <meta name="authors" content="MOTOHITO NISHIZAWA" /> <meta name="authors_institutions" content="Faculty of Pharmaceutical Sciences, Hokkaido University" /> <meta name="authors" content="KAGEMI TODO" /> <meta name="authors_institutions" content="Faculty of Pharmaceutical Sciences, Hokkaido University" /> <meta name="authors" content="HIROSHI MITSUHASHI" /> <meta name="authors_institutions" content="Faculty of Pharmaceutical Sciences, Hokkaido University" /> <meta name="title" content="Marine Sterols. I. Sterols of Annelida, Pseudopotamilla occelata MOORE" /> <meta name="publication_date" content="1973/02/25" /> <meta name="online_date" content="2011/02/08" /> <meta name="volume" content="21" /> <meta name="issue" content="2" /> <meta name="firstpage" content="323" /> <meta name="lastpage" content="328" /> <meta name="doi" content="10.1248/cpb.21.323" /> <meta name="fulltext_world_readable" content="" /> <meta name="pdf_url" content="https://www.jstage.jst.go.jp/article/cpb1958/21/2/21_2_323/_pdf" /> <meta name="print_issn" content="0009-2363" /> <meta name="online_issn" content="1347-5223" /> <meta name="issn_l" content="0009-2363" /> <meta name="language" content="en" /> <meta name="abstract" content="Sterols of annelida of the class Polychaeta, Pseudopotamilla occelata MOORE, were identified as 22-trans-24-norcholesta-5, 22-dien-3β-ol (4.4%), 22-trans-cholesta-5, 22-dien-3β-ol (6%), cholesterol (50.1%), brassicasterol (5.5%), desmosterol (17.9%), 24-methylcholest-5-en-3β-ol (3.4%), 24-methylenecholest-5-en-3β-ol (9.3%), 24-ethylcholesta-5, 22-dien-3β-ol (0.5%), and 24-ethyl-and-ethylidene-chloest-5-en-3β-ol (total 2%). The major six sterols were isolated and their structure characterized. Gas-iquid chromatography showed the probable presence of 22-cis-isomer of cholesta-5, 22-dien-3β-ol." /> <meta name="references" content="2) J. Austin, “The Sterols of Marine Invertebrates and Plants, ” in “Advances in Steroid Biochemistry and Pharmacology, ” Vol.1, ed. by M. H. Briggs, Academic Press, Inc., New York, 1970, p.73-96." /> <meta name="references" content="3) a) D. R. Idler, P. M. Wiseman, and L. M. Safe, Steroids, 16, 451 (1970)" /> <meta name="references" content="b) A. Kanazawa and S. Teshima, Bull. Jap. Soc. Sci. Fish., 37, 675 (1971)" /> <meta name="references" content="c) M. Kobayashi, R. Tsuru, K. Todo, and H. Mitsuhashi, Tetrahedron Letters, 1972, 2935" /> <meta name="references" content="d) A. Alcaide, J. Viala, F. Pinte, M. Itoh, T. Nomura, and M. Barbier, C. R., 273, 1386 (1971)" /> <meta name="references" content="e) Y. M. Sheikh, C. Djerassi, and B. M. Tursch, Chem. Commun., 1971, 217" /> <meta name="references" content="f) D. R. Idler, L. M. Safe, and E. F. MacDonald, Steroids, 18, 545 (1971)." /> <meta name="references" content="4) A. de Waele, Bull. Acad. Belg. Cl. Sci., 16, 592 (1930)" /> <meta name="references" content="C. G. Wilber and W. M. Bayors, Biol. Bull. Woods Hole, 93, 99 (1947)." /> <meta name="references" content="5) a) B. A. Knights, J. Gas Chromatogr., 5, 273 (1967)" /> <meta name="references" content="b) S. G. Wyllie and C. Djerassi, J. Org. Chem., 33, 305 (1968)." /> <meta name="references" content="7) C. J. W. Brooks, E. C. Horning, and J. C. Young, Lipids, 3, 391 (1968)." /> <meta name="references" content="9) H. E. Vroman and C. F. Cohen, J. Lipid Res., 8, 150 (1962)." /> <meta name="references" content="10) J. Jacques, H. Kagan, and G. Ourisson, “Tables of Selected Constants, ” Vol.14, la, ed. by S. Allar, Pergamon Press, Inc., New York, 1965." /> <meta name="references" content="11) L. F. Fieser and M. Fieser, “Steroids, ” Reinhold, Inc., New York, 1959, p.172." /> <meta name="references" content="12) M. Fryberg, A.C. Oehlschlager, and A.M. Unrau, Chem. Commun., 1971, 1194." /> <meta name="references" content="13) U. H. M. Fagerlund and D. R. Idler, Can. J. Biochem. Physiol., 38, 997 (1960)." /> <meta name="references" content="14) D. R. Idler, A. Saito, and P. Wiseman, Steroids, 11, 465 (1968)." /> <meta name="references" content="15) S. Teshima, A. Kanazawa, and T. Ando, Kagoshima Daigaku Suisan Gakubu Kiyo, 20, 131 (1971)." /> <meta name="references" content="16) D. R. Idler and P. Wiseman, Comp. Biochem. Physiol., 38, 581 (1971)." /> <meta name="references" content="17) J. A. M. Wootton and L. D. Wright, Comp. Biochem. Physiol., 5, 253 (1962)." /> <meta name="references" content="18) L. J. Goad, I. Rubinstein, and A. G. Smith, Proc. Roy. Soc.(London), Ser. B, 180, 223 (1972)." /> <meta name="references" content="19) J. L. Boutry, A. Alcaide, and M. Barbier, C. R., 272, 1022 (1971)." /> <meta name="access_control" content="FREE ACCESS" /> <meta name="copyright" content="The Pharmaceutical Society of Japan" /> <meta name="twitter:card" content="summary" /> <meta name="twitter:site" content="@jstage_ej" /> <meta name="og:url" content="https://www.jstage.jst.go.jp/article/cpb1958/21/2/21_2_323/_article" /> <meta name="og:title" content="Marine Sterols. I. Sterols of Annelida, Pseudopotamilla occelata MOORE" /> <meta name="og:description" content="Sterols of annelida of the class Polychaeta, Pseudopotamilla occelata MOORE, were identified as 22-trans-24-norcholesta-5, 22-dien-3β-ol (4.4%), 22-tr …" /> <meta name="og:site_name" content="J-STAGE" /> <meta name="og:image" content="https://www.jstage.jst.go.jp/html/images/common/SNS/J-STAGE_logo_sns.png" /> <link rel="icon" href="/favicon.ico" type="image/x-icon" /> <title>Marine Sterols. I. 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position:relative;"> <div class="journal-name">Chemical and Pharmaceutical Bulletin</div> <div id="journal-right-infosection" class="col-sm-6" style="padding-top:15px;"> <div class="fs-12"> Online ISSN : 1347-5223<br> Print ISSN : 0009-2363<br> ISSN-L : 0009-2363 </div> </div> <div class="journal-tags-clearfix"></div> </div> <div class="clearfix"></div> </div> </div> </div>   <div class="colorscheme02-normal"> <div class="container"> <div id="second-level-nav-tabs"> <ul class="nav nav-tabs"> <li ><a href="https://www.jstage.jst.go.jp/browse/cpb/-char/en">Journal home</a></li> <li ><a href="https://www.jstage.jst.go.jp/browse/cpb/list/-char/en">All issues</a></li> <li ><a href="https://www.jstage.jst.go.jp/browse/cpb/_contents/journal-featured-articles/-char/en">Featured articles</a></li> <li ><a href="https://www.jstage.jst.go.jp/browse/cpb/_pubinfo/-char/en">About the journal</a></li> </ul> </div> </div> </div> <div class="container"> <div class="row"> <div class="col-md-24">  <ul class="global-breadcrumbs"> <li><a href="https://www.jstage.jst.go.jp/browse/-char/en">J-STAGE home</a></li> <li>/</li> <li><a href="https://www.jstage.jst.go.jp/browse/cpb/-char/en" class="customTooltip" title="Chemical and Pharmaceutical Bulletin">Chemical and Pharmaceutical Bu ...</a></li> <li> / </li> <li><a href='https://www.jstage.jst.go.jp/browse/cpb/21/2/_contents/-char/en'>Volume 21 (1973) Issue 2</a></li><li> / </li><li>Article overview</li> </ul> <div class="clearfix"></div>  </div> </div> <div class="row">  <div class="col-md-18">  <div class="top-margin-2x bottom-margin-2x"></div> <div class="global-article-title">Marine Sterols. I. Sterols of Annelida, Pseudopotamilla occelata MOORE</div> <div class="global-article-inner-title"></div> <div class="global-authors-name-tags"> <a name = "authorNmlist" id="authorNmList"></a><a href="https://www.jstage.jst.go.jp/search/global/_search/-char/en?item=8&word=MASARU+KOBAYASHI" class="customTooltip" title="MASARU KOBAYASHI, Faculty of Pharmaceutical Sciences, Hokkaido University"><span>MASARU KOBAYASHI</span></a>, <a href="https://www.jstage.jst.go.jp/search/global/_search/-char/en?item=8&word=MOTOHITO+NISHIZAWA" class="customTooltip" title="MOTOHITO NISHIZAWA, Faculty of Pharmaceutical Sciences, Hokkaido University"><span>MOTOHITO NISHIZAWA</span></a>, <a href="https://www.jstage.jst.go.jp/search/global/_search/-char/en?item=8&word=KAGEMI+TODO" class="customTooltip" title="KAGEMI TODO, Faculty of Pharmaceutical Sciences, Hokkaido University"><span>KAGEMI TODO</span></a>, <a href="https://www.jstage.jst.go.jp/search/global/_search/-char/en?item=8&word=HIROSHI+MITSUHASHI" class="customTooltip" title="HIROSHI MITSUHASHI, Faculty of Pharmaceutical Sciences, Hokkaido University"><span>HIROSHI MITSUHASHI</span></a> <div class="accordion_container"> <div class="accordion_head plus-icn"name="authInfo" id="authInfo">Author information</div> <div class="accordion_body new_accordion_body_style" style="display: none;"> <ul class="accodion_body_ul"> <li> <span style="font-size:1.1em">MASARU KOBAYASHI</span> <p class="accordion_affilinfo"> Faculty of Pharmaceutical Sciences, Hokkaido University </p> </li> <li> <span style="font-size:1.1em">MOTOHITO NISHIZAWA</span> <p class="accordion_affilinfo"> Faculty of Pharmaceutical Sciences, Hokkaido University </p> </li> <li> <span style="font-size:1.1em">KAGEMI TODO</span> <p class="accordion_affilinfo"> Faculty of Pharmaceutical Sciences, Hokkaido University </p> </li> <li> <span style="font-size:1.1em">HIROSHI MITSUHASHI</span> <p class="accordion_affilinfo"> Faculty of Pharmaceutical Sciences, Hokkaido University </p> </li> </ul> </div> </div> <div class="corr-auth-sapopup-wrap" id="saPopup" style="display:none"> <div class="corr-auth-sapopup-overlay" id="saWindow"></div> <div class="corr-auth-sapopup-inner"> <div class="corr-auth-sapopup-cont"> <div class="sapopup-title"><h4>Corresponding author</h4></div> <div class="subject-list subject-sapopup-list" > <div class="corr-auth-subject-li"> <div class="corr-auth-subject-item" id="corrAuthMailContainer" style="display:none"> <span class="fa fa-envelope outlook-share-icn"></span> <a id="corrAuthMail" class="bluelink-style"></a> </div> </div> </div> <div class="subject-list subject-sapopup-list" > <div class="corr-auth-subject-li"> <div class="corr-auth-subject-item" id="corrAuthOrcidContainer" style="display:none"> <img src="/web/images/id-logo.jpg" class="id-logo" alt="ORCID" /> <a target="_blank" rel="noopener noreferrer" id="corrAuthOrcid" class="bluelink-style"></a> </div> </div> </div> </div> </div> </div> </div> <div class="global-para"></div> <div class="global-tags"><span class="tags-wrap original-tag-style" title="JOURNAL">JOURNAL</span> <span class="tags-wrap freeaccess-tag-style" title="FREE ACCESS">FREE ACCESS</span> <br> </div> <p class="global-para"> 1973 Volume 21 Issue 2 Pages 323-328 </p> <div class="articleoverview-doi-wrap" id="fig-doi"> <span class="doi-icn">DOI</span> <a href="https://doi.org/10.1248/cpb.21.323" class="bluelink-style" style="word-break:break-all">https://doi.org/10.1248/cpb.21.323</a> </div> <div class="articleoverview-doi-wrap"></div> <div class="top-margin-2x bottom-margin-2x"></div> <div class="accordion_container"> <div class="accordion_head plus-icn">Details</div> <div class="accordion_body new_accordion_body_style" style="display: none;"> <ul class="accodion_body_ul accodion_detail"> <li> <span class="accodion_lic">Published: February 25, 1973</span> <span class="accodion_lic">Received: July 29, 1972</span> <span class="accodion_lic">Available on J-STAGE: February 08, 2011</span> <span class="accodion_lic">Accepted: -</span> <span class="accodion_lic"> Advance online publication: - </span> <span class="accodion_lic">Revised: -</span> </li> </ul> </div> </div> </div>   <div class="col-md-6 print-non-disp"> <div id="third-level-navigation"> <a href="https://www.jstage.jst.go.jp/article/cpb1958/21/2/21_2_323/_pdf/-char/en" class="thirdlevel-pdf-btn"> Download PDF <span class="download-file-size">(939K)</span> </a> <span class="third-level-nav-divider"></span> <div class="third-level-sublinks"> <span class="heading">Download citation</span> <span class="fa fa-file-o"></span><a href="https://www.jstage.jst.go.jp/AF06S010ShoshJkuDld?sryCd=cpb1958&noVol=21&noIssue=2&kijiCd=21_2_323&kijiLangKrke=en&kijiToolIdHkwtsh=AT0072&request_locale=EN">RIS</a> <p class="notice_mess">(compatible with EndNote, Reference Manager, ProCite, RefWorks)</p> <div class="clearfix"> </div> <span class="fa fa-file-o"></span><a href="https://www.jstage.jst.go.jp/AF06S010ShoshJkuDld?sryCd=cpb1958&noVol=21&noIssue=2&kijiCd=21_2_323&kijiLangKrke=en&kijiToolIdHkwtsh=AT0073&request_locale=EN">BIB TEX</a> <p class="notice_mess">(compatible with BibDesk, LaTeX)</p> <div class="clearfix"> </div> <span class="fa fa-file-o"></span> <a href="javascript:void(0);" onclick="downloadText('https://www.jstage.jst.go.jp/article/cpb1958/21/2/21_2_323/_article/-char/en'.replace('&amp;','&'))">Text</a> <div class="clearfix"> </div> <a href="https://www.jstage.jst.go.jp/static/pages/HowToDownload/-char/en" class="download-help-link bluelink-style">How to download citation</a> </div> <a href="https://www.jstage.jst.go.jp/browse/cpb/_pubinfo/-char/en#information" class="thirdlevel-links">Contact us</a> <span class="third-level-nav-divider"></span> </div> </div>  <div class="clearfix"></div> </div> </div>   <div class="clearfix container">  <div id="sticky-sidebar" class="print-non-disp"> <div class="section-title-14">Article overview</div>  <nav id="article-overiew-section-links"> <nav id="article-overiew-section-links"> <ul id="article-overiew-section-list"> <li> <a href="#article-overiew-abstract-wrap" onClick="menueAnime('Abstract')" title="Abstract" class="customTooltip">Abstract</a></li> <li><a href="#article-overiew-references-wrap" onClick="menueAnime('References')" title="References" class="customTooltip">References (23)</a></li> <li id="author-info-navi"><a href="#author-information-wrap" onClick="menueAnime('information')" title="Content from these authors" class="customTooltip ">Content from these authors</a></li> <li><a href="#citedby-wrap" onClick="menueAnime('Cited')" title="Cited by" class="customTooltip ">Cited by (9)</a></li> </ul> </nav> </nav>   <div id="sticky-sidebar-shareicons"> <div class="section-title-noborder-14">Share</div> <ul class="global-share-x-icons-list"> <li><a href="https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fdoi.org%2F10.1248%2Fcpb.21.323" target="_blank" rel="noopener noreferrer"><span class="fa fa-facebook facebook-share-icn"></span></a></li> <li><a href="http://twitter.com/share?url=https%3A%2F%2Fdoi.org%2F10.1248%2Fcpb.21.323&text=J-STAGE+Articles+-+Marine+Sterols.+I.+Sterols+of+Annelida%2C+Pseudopotamilla+occelata+MOORE" target="_blank" rel="noopener noreferrer"><span class="twitter-share-icn" style="background:#000000;display:inline-block;font-size:20px;"><img src="/web/images/logo-white.png" width="16" height="16" alt="X"></img></span></a></li> <li><a href="mailto:?body=Chemical%20and%20Pharmaceutical%20Bulletin%0A%0AMarine%20Sterols.%20I.%20Sterols%20of%20Annelida%2C%20Pseudopotamilla%20occelata%20MOORE%0A%0Ahttps%3A%2F%2Fdoi.org%2F10.1248%2Fcpb.21.323%0A"> <span class="fa fa-envelope outlook-share-icn"></span></a></li> <li><a href="http://www.mendeley.com/import/?doi=10.1248/cpb.21.323" target="_blank" rel="noopener noreferrer"><span class="mendeley-share-icn"><img src="/web/images/mendeley-share-icon.png" width="32" height="32" alt=""/> </span></a></li> </ul> </div>  </div>   <div class="non-sticky-content"> <div id="non-sticky-content-leftsection"> <div id="article-overiew-abstract-wrap">  <div class="section-title-18">Abstract</div> <p class="global-para-14"> Sterols of annelida of the class Polychaeta, <I>Pseudopotamilla occelata</I> MOORE, were identified as 22-<I>trans</I>-24-norcholesta-5, 22-dien-3β-ol (4.4%), 22-<I>trans</I>-cholesta-5, 22-dien-3β-ol (6%), cholesterol (50.1%), brassicasterol (5.5%), desmosterol (17.9%), 24-methylcholest-5-en-3β-ol (3.4%), 24-methylenecholest-5-en-3β-ol (9.3%), 24-ethylcholesta-5, 22-dien-3β-ol (0.5%), and 24-ethyl-and-ethylidene-chloest-5-en-3β-ol (total 2%). The major six sterols were isolated and their structure characterized. Gas-iquid chromatography showed the probable presence of 22-<I>cis</I>-isomer of cholesta-5, 22-dien-3β-ol. </p> <div style="text-align:center;"> </div> </div>   <div id="datarepo-wrap"></div> <input type="hidden" id="figshareArticleSearchUrl" value="https://api.figshare.com/v2/articles">   <div id="article-overiew-references-wrap"> <div class="section-title-18" style="display:none;">References (23)</div> </div>   <div id="article-overiew-related-wrap"> <div class="section-title-18" style="display:none;">Related articles (0)</div> </div>   <div id="figures-tables-wrap"> <div class="section-title-noborder-18" style="display:none;">Figures (0)</div> </div>   <div id="author-information-wrap" style=""> <div id="author_info_main"> <div id="author_info_title" class="section-title-18" onClick="getAuthorList(this)"> <img src="/web/images/data-services/J-GLOBAL.jpg" alt="" class="jglobal_img"> <span id="author_info_label">Content from these authors</span></div> <div 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