Antioxidant properties of ascorbic acid in bulk oils at different relative humidity
•Relative humidity (RH) and antioxidant property of ascorbic acid was tested in oils.•As concentration of ascorbic acid increased, the oxidative stability increased.•Oils with ascorbic acid had higher oxidative stability at low RH than at high RH.•RH greatly affected the oxidative stability of oils...
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| Veröffentlicht in: | Food chemistry 2015-06, Vol.176, p.302-307 |
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| container_title | Food chemistry |
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| creator | Kim, Ji Young Kim, Mi-Ja Yi, Bora Oh, Sumi Lee, JaeHwan |
| description | •Relative humidity (RH) and antioxidant property of ascorbic acid was tested in oils.•As concentration of ascorbic acid increased, the oxidative stability increased.•Oils with ascorbic acid had higher oxidative stability at low RH than at high RH.•RH greatly affected the oxidative stability of oils containing ascorbic acid.
The effects of relative humidity (RH) on the antioxidant properties of ascorbic acid (10, 20, 42, and 84ppm) were investigated in stripped corn oils stored at 60°C. The degree of oxidation in oils was determined by analysing headspace oxygen content and conjugated dienoic acids. The oxidative stability of bulk oils without addition of ascorbic acid was significantly different depending on the RH. As the concentration of ascorbic acid increased from 10 to 84ppm, oxidative stability increased significantly irrespective of RH (p |
| doi_str_mv | 10.1016/j.foodchem.2014.12.079 |
| format | Article |
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The effects of relative humidity (RH) on the antioxidant properties of ascorbic acid (10, 20, 42, and 84ppm) were investigated in stripped corn oils stored at 60°C. The degree of oxidation in oils was determined by analysing headspace oxygen content and conjugated dienoic acids. The oxidative stability of bulk oils without addition of ascorbic acid was significantly different depending on the RH. As the concentration of ascorbic acid increased from 10 to 84ppm, oxidative stability increased significantly irrespective of RH (p<0.05). Generally, oils containing ascorbic acid at low RH had higher oxidative stability after storage at 60°C than those at high RH. The antioxidant properties of ascorbic acid were greatly influenced by both the moisture content in the oil and the ascorbic acid concentration.</description><identifier>ISSN: 0308-8146</identifier><identifier>EISSN: 1873-7072</identifier><identifier>DOI: 10.1016/j.foodchem.2014.12.079</identifier><identifier>PMID: 25624237</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Antioxidant polar paradox ; Antioxidants - pharmacology ; Ascorbic acid ; Ascorbic Acid - pharmacology ; Bulk oil ; Humidity ; Oils - chemistry ; Oxidation-Reduction ; Relative humidity</subject><ispartof>Food chemistry, 2015-06, Vol.176, p.302-307</ispartof><rights>2014 Elsevier Ltd</rights><rights>Copyright © 2014 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c368t-4725b434c2ab8c2bc9b784a4e48dc536797a74901692b7ee069d9621d7c65adc3</citedby><cites>FETCH-LOGICAL-c368t-4725b434c2ab8c2bc9b784a4e48dc536797a74901692b7ee069d9621d7c65adc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.foodchem.2014.12.079$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25624237$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kim, Ji Young</creatorcontrib><creatorcontrib>Kim, Mi-Ja</creatorcontrib><creatorcontrib>Yi, Bora</creatorcontrib><creatorcontrib>Oh, Sumi</creatorcontrib><creatorcontrib>Lee, JaeHwan</creatorcontrib><title>Antioxidant properties of ascorbic acid in bulk oils at different relative humidity</title><title>Food chemistry</title><addtitle>Food Chem</addtitle><description>•Relative humidity (RH) and antioxidant property of ascorbic acid was tested in oils.•As concentration of ascorbic acid increased, the oxidative stability increased.•Oils with ascorbic acid had higher oxidative stability at low RH than at high RH.•RH greatly affected the oxidative stability of oils containing ascorbic acid.
The effects of relative humidity (RH) on the antioxidant properties of ascorbic acid (10, 20, 42, and 84ppm) were investigated in stripped corn oils stored at 60°C. The degree of oxidation in oils was determined by analysing headspace oxygen content and conjugated dienoic acids. The oxidative stability of bulk oils without addition of ascorbic acid was significantly different depending on the RH. As the concentration of ascorbic acid increased from 10 to 84ppm, oxidative stability increased significantly irrespective of RH (p<0.05). Generally, oils containing ascorbic acid at low RH had higher oxidative stability after storage at 60°C than those at high RH. The antioxidant properties of ascorbic acid were greatly influenced by both the moisture content in the oil and the ascorbic acid concentration.</description><subject>Antioxidant polar paradox</subject><subject>Antioxidants - pharmacology</subject><subject>Ascorbic acid</subject><subject>Ascorbic Acid - pharmacology</subject><subject>Bulk oil</subject><subject>Humidity</subject><subject>Oils - chemistry</subject><subject>Oxidation-Reduction</subject><subject>Relative humidity</subject><issn>0308-8146</issn><issn>1873-7072</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkM1u1TAQRi0Eorc_r1B5ySbBdhw73lFVFJAqsaCsLceeqHNJ4ovtVPTt6-q2bLuazfnmmzmEXHLWcsbV5307xRj8PSytYFy2XLRMm3dkxwfdNZpp8Z7sWMeGZuBSnZDTnPeMscoOH8mJ6JWQotM78utqLRj_YXBroYcUD5AKQqZxoi77mEb01HkMFFc6bvMfGnHO1BUacJogQU0lmF3BB6D324IBy-M5-TC5OcPFyzwjv2--3l1_b25_fvtxfXXb-E4NpZFa9KPspBduHLwYvRn1IJ0EOQTfd0ob7bQ09VsjRg3AlAlGCR60V70Lvjsjn457691_N8jFLpg9zLNbIW7ZctULybkxqqLqiPoUc04w2UPCxaVHy5l9Fmr39lWofRZqubBVaA1evnRs4wLhf-zVYAW-HAGonz4gJJs9wuohYAJfbIj4VscT67GKww</recordid><startdate>20150601</startdate><enddate>20150601</enddate><creator>Kim, Ji Young</creator><creator>Kim, Mi-Ja</creator><creator>Yi, Bora</creator><creator>Oh, Sumi</creator><creator>Lee, JaeHwan</creator><general>Elsevier Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20150601</creationdate><title>Antioxidant properties of ascorbic acid in bulk oils at different relative humidity</title><author>Kim, Ji Young ; Kim, Mi-Ja ; Yi, Bora ; Oh, Sumi ; Lee, JaeHwan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-4725b434c2ab8c2bc9b784a4e48dc536797a74901692b7ee069d9621d7c65adc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Antioxidant polar paradox</topic><topic>Antioxidants - pharmacology</topic><topic>Ascorbic acid</topic><topic>Ascorbic Acid - pharmacology</topic><topic>Bulk oil</topic><topic>Humidity</topic><topic>Oils - chemistry</topic><topic>Oxidation-Reduction</topic><topic>Relative humidity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Ji Young</creatorcontrib><creatorcontrib>Kim, Mi-Ja</creatorcontrib><creatorcontrib>Yi, Bora</creatorcontrib><creatorcontrib>Oh, Sumi</creatorcontrib><creatorcontrib>Lee, JaeHwan</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Food chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kim, Ji Young</au><au>Kim, Mi-Ja</au><au>Yi, Bora</au><au>Oh, Sumi</au><au>Lee, JaeHwan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Antioxidant properties of ascorbic acid in bulk oils at different relative humidity</atitle><jtitle>Food chemistry</jtitle><addtitle>Food Chem</addtitle><date>2015-06-01</date><risdate>2015</risdate><volume>176</volume><spage>302</spage><epage>307</epage><pages>302-307</pages><issn>0308-8146</issn><eissn>1873-7072</eissn><abstract>•Relative humidity (RH) and antioxidant property of ascorbic acid was tested in oils.•As concentration of ascorbic acid increased, the oxidative stability increased.•Oils with ascorbic acid had higher oxidative stability at low RH than at high RH.•RH greatly affected the oxidative stability of oils containing ascorbic acid.
The effects of relative humidity (RH) on the antioxidant properties of ascorbic acid (10, 20, 42, and 84ppm) were investigated in stripped corn oils stored at 60°C. The degree of oxidation in oils was determined by analysing headspace oxygen content and conjugated dienoic acids. The oxidative stability of bulk oils without addition of ascorbic acid was significantly different depending on the RH. As the concentration of ascorbic acid increased from 10 to 84ppm, oxidative stability increased significantly irrespective of RH (p<0.05). Generally, oils containing ascorbic acid at low RH had higher oxidative stability after storage at 60°C than those at high RH. The antioxidant properties of ascorbic acid were greatly influenced by both the moisture content in the oil and the ascorbic acid concentration.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>25624237</pmid><doi>10.1016/j.foodchem.2014.12.079</doi><tpages>6</tpages></addata></record> |
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| identifier | ISSN: 0308-8146 |
| ispartof | Food chemistry, 2015-06, Vol.176, p.302-307 |
| issn | 0308-8146 1873-7072 |
| language | eng |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Antioxidant polar paradox Antioxidants - pharmacology Ascorbic acid Ascorbic Acid - pharmacology Bulk oil Humidity Oils - chemistry Oxidation-Reduction Relative humidity |
| title | Antioxidant properties of ascorbic acid in bulk oils at different relative humidity |
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