Radical scavenging activity and identification of anthocyanin pigments in Shikokumai (Oryza sativa)
Shikokumai 105 (Oryza sativa), which was bred in Shimane Agricultural Technology Center, is a black rice that contains anthocyanin pigment in its rice bran. We found that this pigment consists mainly of cyanidin-3-glucoside and peonidin-3-glucoside. As various functions in anthocyanin are well known...
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| Veröffentlicht in: | Nihon Shokuhin Kagaku Kōgaku kaishi 2009/07/15, Vol.56(7), pp.419-423 |
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| container_title | Nihon Shokuhin Kagaku Kōgaku kaishi |
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| creator | Watanabe, S.(Shimane-ken. Inst. For Industrial Technology, Matsue (Japan)) Imawaka, N Katsube, T Yamasaki, Y |
| description | Shikokumai 105 (Oryza sativa), which was bred in Shimane Agricultural Technology Center, is a black rice that contains anthocyanin pigment in its rice bran. We found that this pigment consists mainly of cyanidin-3-glucoside and peonidin-3-glucoside. As various functions in anthocyanin are well known, we measured DPPH radical and superoxide radical scavenging activity of Shikokumai by colorimetry and electron spin resonance spectroscopy to examine Shikokumai as a functional material. We confirmed strong activity for cyanidin-3-glucoside, which contributed to more than 55% of superoxide radical scavenging activity of the extracted pigment fraction. Protocatechuic acid contributed about 12% of the radical scavenging activity. In total, the identified pigments and protocatechuic acid contributed to 71% of all radical scavenging activity of the extracted pigment fraction. |
| doi_str_mv | 10.3136/nskkk.56.419 |
| format | Article |
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Inst. For Industrial Technology, Matsue (Japan)) ; Imawaka, N ; Katsube, T ; Yamasaki, Y</creator><creatorcontrib>Watanabe, S.(Shimane-ken. Inst. For Industrial Technology, Matsue (Japan)) ; Imawaka, N ; Katsube, T ; Yamasaki, Y</creatorcontrib><description>Shikokumai 105 (Oryza sativa), which was bred in Shimane Agricultural Technology Center, is a black rice that contains anthocyanin pigment in its rice bran. We found that this pigment consists mainly of cyanidin-3-glucoside and peonidin-3-glucoside. As various functions in anthocyanin are well known, we measured DPPH radical and superoxide radical scavenging activity of Shikokumai by colorimetry and electron spin resonance spectroscopy to examine Shikokumai as a functional material. We confirmed strong activity for cyanidin-3-glucoside, which contributed to more than 55% of superoxide radical scavenging activity of the extracted pigment fraction. Protocatechuic acid contributed about 12% of the radical scavenging activity. 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We confirmed strong activity for cyanidin-3-glucoside, which contributed to more than 55% of superoxide radical scavenging activity of the extracted pigment fraction. Protocatechuic acid contributed about 12% of the radical scavenging activity. In total, the identified pigments and protocatechuic acid contributed to 71% of all radical scavenging activity of the extracted pigment fraction.</description><subject>ANTHOCYANE</subject><subject>ANTHOCYANINS</subject><subject>ANTOCIANINAS</subject><subject>ARROZ</subject><subject>CEREALE</subject><subject>CEREALES</subject><subject>CEREALS</subject><subject>COMPOSE ORGANIQUE</subject><subject>COMPUESTOS ORGANICOS</subject><subject>cyanidin-3-glucoside</subject><subject>FLAVONOIDE</subject><subject>FLAVONOIDES</subject><subject>FLAVONOIDS</subject><subject>FREE RADICALS</subject><subject>ORGANIC COMPOUNDS</subject><subject>PIGMENT</subject><subject>PIGMENTOS</subject><subject>PIGMENTS</subject><subject>protocatechuic acid</subject><subject>RADICAL LIBRE</subject><subject>radical scavenging activity</subject><subject>RADICALES LIBRES</subject><subject>RICE</subject><subject>RIZ</subject><subject>shikokumai</subject><issn>1341-027X</issn><issn>1881-6681</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNpFkN1LwzAUxYMoOObefBXyqGBn0rRZ8ziGnwgTP8C3cJuPLnZLR1MH9a83Wpkv917u-Z3zcBA6pWTKKONXPtR1Pc35NKPiAI1oUdCE84IexptlNCHp7P0YTUJwJSGUilwIOkLqGbRTsMZBwc74yvkKg-rcznU9Bq-x08Z3zkamc43HjY3fbtWoHrzzeOuqTdQDjvfLytVN_bkBh8-Xbf8FOETPDi5O0JGFdTCTvz1GbzfXr4u75HF5e7-YPyaK5axLBDUlBZVCqjXNhLWCZyzPRSa4mWkNTFtmKVMkjzwpC6IyYKVNbVEWgjPBxuhyyFVtE0JrrNy2bgNtLymRPx3J345kzmXsKOLzAf8IHVRmD0PbObU2__BsGNGz19QKWml8zDgbMiw0EqrWBfnwlBIiCOGUEfYN_sN9qw</recordid><startdate>20090101</startdate><enddate>20090101</enddate><creator>Watanabe, S.(Shimane-ken. 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Inst. For Industrial Technology, Matsue (Japan))</creatorcontrib><creatorcontrib>Imawaka, N</creatorcontrib><creatorcontrib>Katsube, T</creatorcontrib><creatorcontrib>Yamasaki, Y</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><jtitle>Nihon Shokuhin Kagaku Kōgaku kaishi</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Watanabe, S.(Shimane-ken. Inst. For Industrial Technology, Matsue (Japan))</au><au>Imawaka, N</au><au>Katsube, T</au><au>Yamasaki, Y</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Radical scavenging activity and identification of anthocyanin pigments in Shikokumai (Oryza sativa)</atitle><jtitle>Nihon Shokuhin Kagaku Kōgaku kaishi</jtitle><addtitle>Nippon Shokuhin Kagaku Kogaku Kaishi</addtitle><date>2009-01-01</date><risdate>2009</risdate><volume>56</volume><issue>7</issue><spage>419</spage><epage>423</epage><pages>419-423</pages><issn>1341-027X</issn><eissn>1881-6681</eissn><abstract>Shikokumai 105 (Oryza sativa), which was bred in Shimane Agricultural Technology Center, is a black rice that contains anthocyanin pigment in its rice bran. We found that this pigment consists mainly of cyanidin-3-glucoside and peonidin-3-glucoside. As various functions in anthocyanin are well known, we measured DPPH radical and superoxide radical scavenging activity of Shikokumai by colorimetry and electron spin resonance spectroscopy to examine Shikokumai as a functional material. We confirmed strong activity for cyanidin-3-glucoside, which contributed to more than 55% of superoxide radical scavenging activity of the extracted pigment fraction. Protocatechuic acid contributed about 12% of the radical scavenging activity. In total, the identified pigments and protocatechuic acid contributed to 71% of all radical scavenging activity of the extracted pigment fraction.</abstract><pub>Japanese Society for Food Science and Technology</pub><doi>10.3136/nskkk.56.419</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Nippon Shokuhin Kagaku Kogaku Kaishi, 2009/07/15, Vol.56(7), pp.419-423 |
| issn | 1341-027X 1881-6681 |
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| source | EZB-FREE-00999 freely available EZB journals; AgriKnowledge（アグリナレッジ）AGROLib |
| subjects | ANTHOCYANE ANTHOCYANINS ANTOCIANINAS ARROZ CEREALE CEREALES CEREALS COMPOSE ORGANIQUE COMPUESTOS ORGANICOS cyanidin-3-glucoside FLAVONOIDE FLAVONOIDES FLAVONOIDS FREE RADICALS ORGANIC COMPOUNDS PIGMENT PIGMENTOS PIGMENTS protocatechuic acid RADICAL LIBRE radical scavenging activity RADICALES LIBRES RICE RIZ shikokumai |
| title | Radical scavenging activity and identification of anthocyanin pigments in Shikokumai (Oryza sativa) |
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