Cholesterolaemic influence of palmitic acid in the sn-1, 3 v. the sn-2 position with high or low dietary linoleic acid in healthy young men
Healthy young men were fed four diets for 2 weeks each providing natural fats containing palmitic acid (16 : 0) predominantly in the sn-1, 3 position of dietary TAG or containing 16 : 0 predominantly in the sn-2 position with low or high levels of linoleic acid (18 : 2n-6). Two treatments supplied 1...
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| Veröffentlicht in: | British journal of nutrition 2007-08, Vol.98 (2), p.337-344 |
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| creator | Forsythe, C. E. French, M. A. Goh, Y. K. Clandinin, M. T. |
| description | Healthy young men were fed four diets for 2 weeks each providing natural fats containing palmitic acid (16 : 0) predominantly in the sn-1, 3 position of dietary TAG or containing 16 : 0 predominantly in the sn-2 position with low or high levels of linoleic acid (18 : 2n-6). Two treatments supplied 16 : 0 in the sn-1, 3 positions from palmstearin with low (3 % energy) or high (>7 % energy) 18 : 2n-6 and two treatments supplied 16 : 0 in the sn-2 position from lard with high or low levels of 18 : 2n-6. Diets contained 30–35 % energy as fat, 7–11 % energy as 16 : 0 and moderate levels of cholesterol. Fasting serum cholesterol and lipoprotein concentrations were measured. Cholesterol fractional synthesis rate (FSR) was determined by 2H incorporation. Diets providing 16 : 0 in the sn-2 position resulted in lower fasting serum total cholesterol (TC) and a lower TC:HDL ratio than diets providing 16 : 0 in the sn-1, 3 positions. Diets with high levels of 18 : 2n-6 significantly decreased the TC:HDL ratio, reaffirming the well-known cholesterol-reducing effect of 18 : 2n-6. A lower non-esterified cholesterol FSR was observed with low dietary levels of 18 : 2n-6. No differences between dietary treatments were found for serum HDL-cholesterol, LDL-cholesterol or TAG. It is concluded that dietary fats containing 16 : 0 in the sn-2 position may result in slightly lower fasting TC than diets providing 16 : 0 in the sn-1, 3 positions, while the level of n-6 polyunsaturated fat influences endogenous cholesterol synthesis. |
| doi_str_mv | 10.1017/S0007114507704993 |
| format | Article |
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E. ; French, M. A. ; Goh, Y. K. ; Clandinin, M. T.</creator><creatorcontrib>Forsythe, C. E. ; French, M. A. ; Goh, Y. K. ; Clandinin, M. T.</creatorcontrib><description>Healthy young men were fed four diets for 2 weeks each providing natural fats containing palmitic acid (16 : 0) predominantly in the sn-1, 3 position of dietary TAG or containing 16 : 0 predominantly in the sn-2 position with low or high levels of linoleic acid (18 : 2n-6). Two treatments supplied 16 : 0 in the sn-1, 3 positions from palmstearin with low (3 % energy) or high (>7 % energy) 18 : 2n-6 and two treatments supplied 16 : 0 in the sn-2 position from lard with high or low levels of 18 : 2n-6. Diets contained 30–35 % energy as fat, 7–11 % energy as 16 : 0 and moderate levels of cholesterol. Fasting serum cholesterol and lipoprotein concentrations were measured. Cholesterol fractional synthesis rate (FSR) was determined by 2H incorporation. Diets providing 16 : 0 in the sn-2 position resulted in lower fasting serum total cholesterol (TC) and a lower TC:HDL ratio than diets providing 16 : 0 in the sn-1, 3 positions. Diets with high levels of 18 : 2n-6 significantly decreased the TC:HDL ratio, reaffirming the well-known cholesterol-reducing effect of 18 : 2n-6. A lower non-esterified cholesterol FSR was observed with low dietary levels of 18 : 2n-6. No differences between dietary treatments were found for serum HDL-cholesterol, LDL-cholesterol or TAG. It is concluded that dietary fats containing 16 : 0 in the sn-2 position may result in slightly lower fasting TC than diets providing 16 : 0 in the sn-1, 3 positions, while the level of n-6 polyunsaturated fat influences endogenous cholesterol synthesis.</description><identifier>ISSN: 0007-1145</identifier><identifier>EISSN: 1475-2662</identifier><identifier>DOI: 10.1017/S0007114507704993</identifier><identifier>PMID: 17391563</identifier><identifier>CODEN: BJNUAV</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject><![CDATA[Adult ; Adults ; anticholesteremic agents ; Biological and medical sciences ; biomarkers ; blood lipids ; cholesteremic effect ; Cholesterol ; Cholesterol - blood ; cholesterol metabolism ; Cholesterol, Dietary - administration & dosage ; Cholesterol, HDL - blood ; Cholesterol, LDL - blood ; Cholesterolaemia ; Diet ; dietary fat ; Dietary Fats - administration & dosage ; Dietary Fats - analysis ; Energy ; Energy Intake - physiology ; Enzyme Inhibitors - administration & dosage ; esterification ; Fatty acids ; Feeding. Feeding behavior ; Food ; free fatty acids ; Fundamental and applied biological sciences. Psychology ; Glycerol ; human nutrition ; Human subjects ; Humans ; hypercholesterolemia ; Influence ; Investigations ; linoleic acid ; Linoleic Acid - administration & dosage ; Linoleic Acid - chemistry ; Lipid metabolism ; Lipids - blood ; lipoproteins ; Lipoproteins - blood ; Low density lipoprotein ; Male ; men ; Oils & fats ; Palmitic acid ; Palmitic Acid - administration & dosage ; Palmitic Acid - chemistry ; Pork ; Vegetable oils ; Vertebrates: anatomy and physiology, studies on body, several organs or systems ; young adults]]></subject><ispartof>British journal of nutrition, 2007-08, Vol.98 (2), p.337-344</ispartof><rights>Copyright © The Authors 2007</rights><rights>2007 INIST-CNRS</rights><rights>The Authors</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c462t-fde0f17b13d283fa31eb8c0d535b8581094b380edc66fc927bac54ff4ebff5b43</citedby><cites>FETCH-LOGICAL-c462t-fde0f17b13d283fa31eb8c0d535b8581094b380edc66fc927bac54ff4ebff5b43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.cambridge.org/core/product/identifier/S0007114507704993/type/journal_article$$EHTML$$P50$$Gcambridge$$H</linktohtml><link.rule.ids>164,314,780,784,27924,27925,55628</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18922910$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17391563$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Forsythe, C. E.</creatorcontrib><creatorcontrib>French, M. A.</creatorcontrib><creatorcontrib>Goh, Y. K.</creatorcontrib><creatorcontrib>Clandinin, M. T.</creatorcontrib><title>Cholesterolaemic influence of palmitic acid in the sn-1, 3 v. the sn-2 position with high or low dietary linoleic acid in healthy young men</title><title>British journal of nutrition</title><addtitle>Br J Nutr</addtitle><description>Healthy young men were fed four diets for 2 weeks each providing natural fats containing palmitic acid (16 : 0) predominantly in the sn-1, 3 position of dietary TAG or containing 16 : 0 predominantly in the sn-2 position with low or high levels of linoleic acid (18 : 2n-6). Two treatments supplied 16 : 0 in the sn-1, 3 positions from palmstearin with low (3 % energy) or high (>7 % energy) 18 : 2n-6 and two treatments supplied 16 : 0 in the sn-2 position from lard with high or low levels of 18 : 2n-6. Diets contained 30–35 % energy as fat, 7–11 % energy as 16 : 0 and moderate levels of cholesterol. Fasting serum cholesterol and lipoprotein concentrations were measured. Cholesterol fractional synthesis rate (FSR) was determined by 2H incorporation. Diets providing 16 : 0 in the sn-2 position resulted in lower fasting serum total cholesterol (TC) and a lower TC:HDL ratio than diets providing 16 : 0 in the sn-1, 3 positions. Diets with high levels of 18 : 2n-6 significantly decreased the TC:HDL ratio, reaffirming the well-known cholesterol-reducing effect of 18 : 2n-6. A lower non-esterified cholesterol FSR was observed with low dietary levels of 18 : 2n-6. No differences between dietary treatments were found for serum HDL-cholesterol, LDL-cholesterol or TAG. It is concluded that dietary fats containing 16 : 0 in the sn-2 position may result in slightly lower fasting TC than diets providing 16 : 0 in the sn-1, 3 positions, while the level of n-6 polyunsaturated fat influences endogenous cholesterol synthesis.</description><subject>Adult</subject><subject>Adults</subject><subject>anticholesteremic agents</subject><subject>Biological and medical sciences</subject><subject>biomarkers</subject><subject>blood lipids</subject><subject>cholesteremic effect</subject><subject>Cholesterol</subject><subject>Cholesterol - blood</subject><subject>cholesterol metabolism</subject><subject>Cholesterol, Dietary - administration & dosage</subject><subject>Cholesterol, HDL - blood</subject><subject>Cholesterol, LDL - blood</subject><subject>Cholesterolaemia</subject><subject>Diet</subject><subject>dietary fat</subject><subject>Dietary Fats - administration & dosage</subject><subject>Dietary Fats - analysis</subject><subject>Energy</subject><subject>Energy Intake - physiology</subject><subject>Enzyme Inhibitors - administration & dosage</subject><subject>esterification</subject><subject>Fatty acids</subject><subject>Feeding. Feeding behavior</subject><subject>Food</subject><subject>free fatty acids</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Glycerol</subject><subject>human nutrition</subject><subject>Human subjects</subject><subject>Humans</subject><subject>hypercholesterolemia</subject><subject>Influence</subject><subject>Investigations</subject><subject>linoleic acid</subject><subject>Linoleic Acid - administration & dosage</subject><subject>Linoleic Acid - chemistry</subject><subject>Lipid metabolism</subject><subject>Lipids - blood</subject><subject>lipoproteins</subject><subject>Lipoproteins - blood</subject><subject>Low density lipoprotein</subject><subject>Male</subject><subject>men</subject><subject>Oils & fats</subject><subject>Palmitic acid</subject><subject>Palmitic Acid - administration & dosage</subject><subject>Palmitic Acid - chemistry</subject><subject>Pork</subject><subject>Vegetable oils</subject><subject>Vertebrates: anatomy and physiology, studies on body, several organs or systems</subject><subject>young adults</subject><issn>0007-1145</issn><issn>1475-2662</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp1kt-O1CAUxonRuOPqA3ijxESv7MqfttBLM9HVZIxr1r3xhlAKU1YKs9C6zjP40tJMdYzGcEEO53c--PIBwGOMzjDC7NUlQohhXFaIMVQ2Db0DVrhkVUHqmtwFq7ldzP0T8CCl61xyjJr74AQz2uCqpivwY90Hp9OoY3BSD1ZB642btFcaBgN30g12zKdS2S634NhrmHyBX0IKv539KgnchZS54OGtHXvY220PQ4Qu3MLO6lHGPXTW55v-kOq1dGO_h_sw-S0ctH8I7hnpkn607Kfg6u2bz-t3xebj-fv1602hypqMhek0Mpi1mHaEUyMp1i1XqKto1fJqdli2lCPdqbo2qiGslaoqjSl1a0zVlvQUvDjo7mK4mbJ5MdiktHPS6zAlwVBehPIMPvsLvA5T9PltgmDKScPxrIYPkIohpaiN2EU7ZMcCIzHHJP6JKc88WYSndtDdcWLJJQPPF0AmJZ2J0iubjhxvCGkwylxx4GyO8PvvvoxfRc0oq0R9_klQfHHB0YeN-JL5pwfeyCDkNmbNq0uCMM1fA9G6YZmgix05tNF2W300_X9DPwGoVcFs</recordid><startdate>20070801</startdate><enddate>20070801</enddate><creator>Forsythe, C. 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E. ; French, M. A. ; Goh, Y. K. ; Clandinin, M. T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c462t-fde0f17b13d283fa31eb8c0d535b8581094b380edc66fc927bac54ff4ebff5b43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Adult</topic><topic>Adults</topic><topic>anticholesteremic agents</topic><topic>Biological and medical sciences</topic><topic>biomarkers</topic><topic>blood lipids</topic><topic>cholesteremic effect</topic><topic>Cholesterol</topic><topic>Cholesterol - blood</topic><topic>cholesterol metabolism</topic><topic>Cholesterol, Dietary - administration & dosage</topic><topic>Cholesterol, HDL - blood</topic><topic>Cholesterol, LDL - blood</topic><topic>Cholesterolaemia</topic><topic>Diet</topic><topic>dietary fat</topic><topic>Dietary Fats - administration & dosage</topic><topic>Dietary Fats - analysis</topic><topic>Energy</topic><topic>Energy Intake - physiology</topic><topic>Enzyme Inhibitors - administration & dosage</topic><topic>esterification</topic><topic>Fatty acids</topic><topic>Feeding. Feeding behavior</topic><topic>Food</topic><topic>free fatty acids</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Glycerol</topic><topic>human nutrition</topic><topic>Human subjects</topic><topic>Humans</topic><topic>hypercholesterolemia</topic><topic>Influence</topic><topic>Investigations</topic><topic>linoleic acid</topic><topic>Linoleic Acid - administration & dosage</topic><topic>Linoleic Acid - chemistry</topic><topic>Lipid metabolism</topic><topic>Lipids - blood</topic><topic>lipoproteins</topic><topic>Lipoproteins - blood</topic><topic>Low density lipoprotein</topic><topic>Male</topic><topic>men</topic><topic>Oils & fats</topic><topic>Palmitic acid</topic><topic>Palmitic Acid - administration & dosage</topic><topic>Palmitic Acid - chemistry</topic><topic>Pork</topic><topic>Vegetable oils</topic><topic>Vertebrates: anatomy and physiology, studies on body, several organs or systems</topic><topic>young adults</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Forsythe, C. E.</creatorcontrib><creatorcontrib>French, M. 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E.</au><au>French, M. A.</au><au>Goh, Y. K.</au><au>Clandinin, M. T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cholesterolaemic influence of palmitic acid in the sn-1, 3 v. the sn-2 position with high or low dietary linoleic acid in healthy young men</atitle><jtitle>British journal of nutrition</jtitle><addtitle>Br J Nutr</addtitle><date>2007-08-01</date><risdate>2007</risdate><volume>98</volume><issue>2</issue><spage>337</spage><epage>344</epage><pages>337-344</pages><issn>0007-1145</issn><eissn>1475-2662</eissn><coden>BJNUAV</coden><abstract>Healthy young men were fed four diets for 2 weeks each providing natural fats containing palmitic acid (16 : 0) predominantly in the sn-1, 3 position of dietary TAG or containing 16 : 0 predominantly in the sn-2 position with low or high levels of linoleic acid (18 : 2n-6). Two treatments supplied 16 : 0 in the sn-1, 3 positions from palmstearin with low (3 % energy) or high (>7 % energy) 18 : 2n-6 and two treatments supplied 16 : 0 in the sn-2 position from lard with high or low levels of 18 : 2n-6. Diets contained 30–35 % energy as fat, 7–11 % energy as 16 : 0 and moderate levels of cholesterol. Fasting serum cholesterol and lipoprotein concentrations were measured. Cholesterol fractional synthesis rate (FSR) was determined by 2H incorporation. Diets providing 16 : 0 in the sn-2 position resulted in lower fasting serum total cholesterol (TC) and a lower TC:HDL ratio than diets providing 16 : 0 in the sn-1, 3 positions. Diets with high levels of 18 : 2n-6 significantly decreased the TC:HDL ratio, reaffirming the well-known cholesterol-reducing effect of 18 : 2n-6. A lower non-esterified cholesterol FSR was observed with low dietary levels of 18 : 2n-6. No differences between dietary treatments were found for serum HDL-cholesterol, LDL-cholesterol or TAG. It is concluded that dietary fats containing 16 : 0 in the sn-2 position may result in slightly lower fasting TC than diets providing 16 : 0 in the sn-1, 3 positions, while the level of n-6 polyunsaturated fat influences endogenous cholesterol synthesis.</abstract><cop>Cambridge, UK</cop><pub>Cambridge University Press</pub><pmid>17391563</pmid><doi>10.1017/S0007114507704993</doi><tpages>8</tpages></addata></record> |
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| ispartof | British journal of nutrition, 2007-08, Vol.98 (2), p.337-344 |
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| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Free Full-Text Journals in Chemistry; Cambridge University Press Journals Complete |
| subjects | Adult Adults anticholesteremic agents Biological and medical sciences biomarkers blood lipids cholesteremic effect Cholesterol Cholesterol - blood cholesterol metabolism Cholesterol, Dietary - administration & dosage Cholesterol, HDL - blood Cholesterol, LDL - blood Cholesterolaemia Diet dietary fat Dietary Fats - administration & dosage Dietary Fats - analysis Energy Energy Intake - physiology Enzyme Inhibitors - administration & dosage esterification Fatty acids Feeding. Feeding behavior Food free fatty acids Fundamental and applied biological sciences. Psychology Glycerol human nutrition Human subjects Humans hypercholesterolemia Influence Investigations linoleic acid Linoleic Acid - administration & dosage Linoleic Acid - chemistry Lipid metabolism Lipids - blood lipoproteins Lipoproteins - blood Low density lipoprotein Male men Oils & fats Palmitic acid Palmitic Acid - administration & dosage Palmitic Acid - chemistry Pork Vegetable oils Vertebrates: anatomy and physiology, studies on body, several organs or systems young adults |
| title | Cholesterolaemic influence of palmitic acid in the sn-1, 3 v. the sn-2 position with high or low dietary linoleic acid in healthy young men |
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