Monitoring development and ripeness of oil palm fruit (Elaeis guneensis) by MRI and bulk NMR
In this study, magnetic resonance imaging (MRI) and bulk nuclear magnetic resonance (NMR) were used to track the progressive development of intact oil palm fruit (variety Tenera). Fresh fruits were harvested at 4, 12, 16 and 21 weeks after anthesis (WAA) and all measurements of spin-spin relaxation...
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| Veröffentlicht in: | International journal of agriculture and biology 2010-01, Vol.12 (1), p.101-105 |
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| creator | Shaarani, S.M. (University Malaysia Sabah, Sabah (Malaysia). School of Food Science and Nutrition) Cardenas-Blanco, A. (University Malaya, Kuala Lumpur (Malaysia). Dept. of Chemistry) Amin, M.H.G. (University Malaya, Kuala Lumpur (Malaysia). Dept. of Chemistry) Soon, N.G. (University Malaya, Kuala Lumpur (Malaysia). Dept. of Chemistry) Hall, L.D. (University of Cambridge School of Clinical Medicine, Cambridge (UK). Herchel Smith Lab. for Medicinal Chemistry) |
| description | In this study, magnetic resonance imaging (MRI) and bulk nuclear magnetic resonance (NMR) were used to track the progressive development of intact oil palm fruit (variety Tenera). Fresh fruits were harvested at 4, 12, 16 and 21 weeks after anthesis (WAA) and all measurements of spin-spin relaxation times (T2-values) were performed at 2.35 Tesla and 20 degree C. MR imaging data were fitted to mono-exponential decay curves, which depicted a progressive increase in the mean T2-values for mesocarp (18-32 ms) and kernel (13-74 ms) with WAA. The same data were also fitted to bi-exponential decay curves for both the mesocarp and kernel, which showed a decrease of the T21-values from 12-10 ms and 10-9 ms, respectively and an increase of the T22-values from 83-118 ms and 129-139 ms, respectively with WAA; those two components are assigned to the protons of water (T21) and to those of the oil (T22). |
| format | Article |
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(University Malaysia Sabah, Sabah (Malaysia). School of Food Science and Nutrition) ; Cardenas-Blanco, A. (University Malaya, Kuala Lumpur (Malaysia). Dept. of Chemistry) ; Amin, M.H.G. (University Malaya, Kuala Lumpur (Malaysia). Dept. of Chemistry) ; Soon, N.G. (University Malaya, Kuala Lumpur (Malaysia). Dept. of Chemistry) ; Hall, L.D. (University of Cambridge School of Clinical Medicine, Cambridge (UK). Herchel Smith Lab. for Medicinal Chemistry)</creator><creatorcontrib>Shaarani, S.M. (University Malaysia Sabah, Sabah (Malaysia). School of Food Science and Nutrition) ; Cardenas-Blanco, A. (University Malaya, Kuala Lumpur (Malaysia). Dept. of Chemistry) ; Amin, M.H.G. (University Malaya, Kuala Lumpur (Malaysia). Dept. of Chemistry) ; Soon, N.G. (University Malaya, Kuala Lumpur (Malaysia). Dept. of Chemistry) ; Hall, L.D. (University of Cambridge School of Clinical Medicine, Cambridge (UK). 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The same data were also fitted to bi-exponential decay curves for both the mesocarp and kernel, which showed a decrease of the T21-values from 12-10 ms and 10-9 ms, respectively and an increase of the T22-values from 83-118 ms and 129-139 ms, respectively with WAA; those two components are assigned to the protons of water (T21) and to those of the oil (T22).</description><identifier>ISSN: 1560-8530</identifier><identifier>EISSN: 1814-9596</identifier><language>eng</language><subject>ELAEIS GUINEENSIS ; IMAGERY ; MALAYSIA ; NMR SPECTROSCOPY ; OIL PALMS ; RIPENING</subject><ispartof>International journal of agriculture and biology, 2010-01, Vol.12 (1), p.101-105</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids></links><search><creatorcontrib>Shaarani, S.M. 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Fresh fruits were harvested at 4, 12, 16 and 21 weeks after anthesis (WAA) and all measurements of spin-spin relaxation times (T2-values) were performed at 2.35 Tesla and 20 degree C. MR imaging data were fitted to mono-exponential decay curves, which depicted a progressive increase in the mean T2-values for mesocarp (18-32 ms) and kernel (13-74 ms) with WAA. The same data were also fitted to bi-exponential decay curves for both the mesocarp and kernel, which showed a decrease of the T21-values from 12-10 ms and 10-9 ms, respectively and an increase of the T22-values from 83-118 ms and 129-139 ms, respectively with WAA; those two components are assigned to the protons of water (T21) and to those of the oil (T22).</description><subject>ELAEIS GUINEENSIS</subject><subject>IMAGERY</subject><subject>MALAYSIA</subject><subject>NMR SPECTROSCOPY</subject><subject>OIL PALMS</subject><subject>RIPENING</subject><issn>1560-8530</issn><issn>1814-9596</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNotj01LxDAYhIMouKz7E4T3qIdCvpqmR1lWXXarsuhNWNLmTYl2k9K0gv_eos5lBh5mYM7IgmkmszIv1fmcc0UznQt6SVYpfdBZkvKS0gV5r2LwYxx8aMHiF3axP2EYwQQLg-8xYEoQHUTfQW-6E7hh8iPcbDqDPkE7BcSQfLqF-huqw_a3WE_dJzxVhyty4UyXcPXvS_J2v3ldP2b754ft-m6fOVYUY2a0skJprbhwGpkQtlBlo21DRVMwKYSsuZ6BlLxxHItGOGVrRzVSbngpxZJc_-06E4-mHXw6vuw4ZfNPRqUUP3_bTEA</recordid><startdate>201001</startdate><enddate>201001</enddate><creator>Shaarani, S.M. 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(University Malaya, Kuala Lumpur (Malaysia). Dept. of Chemistry)</creatorcontrib><creatorcontrib>Soon, N.G. (University Malaya, Kuala Lumpur (Malaysia). Dept. of Chemistry)</creatorcontrib><creatorcontrib>Hall, L.D. (University of Cambridge School of Clinical Medicine, Cambridge (UK). Herchel Smith Lab. for Medicinal Chemistry)</creatorcontrib><collection>AGRIS</collection><jtitle>International journal of agriculture and biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shaarani, S.M. (University Malaysia Sabah, Sabah (Malaysia). School of Food Science and Nutrition)</au><au>Cardenas-Blanco, A. (University Malaya, Kuala Lumpur (Malaysia). Dept. of Chemistry)</au><au>Amin, M.H.G. (University Malaya, Kuala Lumpur (Malaysia). Dept. of Chemistry)</au><au>Soon, N.G. (University Malaya, Kuala Lumpur (Malaysia). Dept. of Chemistry)</au><au>Hall, L.D. 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MR imaging data were fitted to mono-exponential decay curves, which depicted a progressive increase in the mean T2-values for mesocarp (18-32 ms) and kernel (13-74 ms) with WAA. The same data were also fitted to bi-exponential decay curves for both the mesocarp and kernel, which showed a decrease of the T21-values from 12-10 ms and 10-9 ms, respectively and an increase of the T22-values from 83-118 ms and 129-139 ms, respectively with WAA; those two components are assigned to the protons of water (T21) and to those of the oil (T22).</abstract><tpages>5</tpages></addata></record> |
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| ispartof | International journal of agriculture and biology, 2010-01, Vol.12 (1), p.101-105 |
| issn | 1560-8530 1814-9596 |
| language | eng |
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| source | EZB-FREE-00999 freely available EZB journals |
| subjects | ELAEIS GUINEENSIS IMAGERY MALAYSIA NMR SPECTROSCOPY OIL PALMS RIPENING |
| title | Monitoring development and ripeness of oil palm fruit (Elaeis guneensis) by MRI and bulk NMR |
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