1,1-Diphenyl-2-picrylhydrazyl Radical-scavenging Capacity and Oxygen Radical Absorbance Capacity of Sweet Potato Cultivars with Various Flesh Colors
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- Oki Tomoyuki
- National Agricultural Research Center for Kyushu Okinawa Region, National Agriculture and Food Research Organization
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- Sato Maki
- National Agricultural Research Center for Kyushu Okinawa Region, National Agriculture and Food Research Organization
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- Yoshinaga Masaru
- National Agricultural Research Center for Kyushu Okinawa Region, National Agriculture and Food Research Organization
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- Sakai Tetsufumi
- National Agricultural Research Center for Kyushu Okinawa Region, National Agriculture and Food Research Organization
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- Sugawara Terumi
- National Agricultural Research Center for Kyushu Okinawa Region, National Agriculture and Food Research Organization
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- Terahara Norihiko
- Department of Food Science for Health, Faculty of Health and Nutrition, Minami-Kyushu University
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- Suda Ikuo
- Department of Food Science for Health, Faculty of Health and Nutrition, Minami-Kyushu University
Bibliographic Information
- Other Title
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- 有色サツマイモのDPPHラジカル消去能とORAC(活性酸素吸収能)
- ユウショク サツマイモ ノ DPPH ラジカル ショウキョノウ ト ORAC カッセイ サンソ キュウシュウノウ
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Abstract
1,1-Diphenyl-2-picrylhydrazyl (DPPH) radical-scavenging capacity and oxygen radical absorbance capacity (ORAC) of ten sweet potato cultivars with various flesh colors were measured. The DPPH radical-scavenging activity (DPPH-RSA) was almost the same among the sweet potato cultivars with white, yellow, and orange flesh ; however, purple-fleshed sweet potato cultivars showed about 10 times higher activity than those with other flesh colors. A similar tendency was observed for ORAC. Therefore, electron and hydrogen atom transfer reaction-based assays could both detect the high antioxidant activity of purple-fleshed sweet potatoes. Moreover, a high correlation between the DPPH-RSA and ORAC values was found for three cultivars and seventeen breeding lines of purple-fleshed sweet potato (R=0.894). Based on these results, our DPPH radical assay appears effective as an alternative method for estimating ORAC values of purple-fleshed sweet potatoes.
Journal
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- Nippon Shokuhin Kagaku Kogaku Kaishi
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Nippon Shokuhin Kagaku Kogaku Kaishi 56 (12), 655-659, 2009
Japanese Society for Food Science and Technology
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Keywords
Details 詳細情報について
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- CRID
- 1390282681384616576
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- NII Article ID
- 10026294108
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- NII Book ID
- AN10467499
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- COI
- 1:CAS:528:DC%2BC3cXjsFWjsA%3D%3D
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- ISSN
- 18816681
- 1341027X
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- NDL BIB ID
- 10472221
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- Text Lang
- ja
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- Data Source
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed