Radical Scavenging Activity of Leaf Lettuce, Cultivated with Four Different Fertilizer Solutions
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- NAKATA Keiko
- Faculty of Health and Social Welfare Science, Nishikyushu University
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- OGAWA Shizuka
- Faculty of Health and Social Welfare Science, Nishikyushu University
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- TANAKA Munehiro
- Faculty of Agriculture, Saga University
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- SONDA Tamiyoshi
- Faculty of Health and Social Welfare Science, Nishikyushu University
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- YASUDA Midori
- Faculty of Health and Social Welfare Science, Nishikyushu University
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- FUJITA Shuzi
- Faculty of Agriculture, Saga University
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- FUKUMOTO Yuji
- Saga Junior College
Bibliographic Information
- Other Title
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- 施肥の違いによる栽培サラダナのラジカル捕捉活性の相違
- セヒ ノ チガイ ニ ヨル サイバイ サラダナ ノ ラジカル ホソク カッセイ ノ ソウイ
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Abstract
Four different fertilizer solutions were tested: food waste was fermented by methane bacteria to produce methane gas and give solution; this solution A was passed through a membrane filter to produce a filtrate and give solution B; swine waste-water was treated by activated sludge to give solution C; and a standard nutrient solution produced by Otsuka Chemical Co. gave solution D. Leaf lettuce (Saradana), a cultivar (Lactuca sativa L.) was cultivated with these four fertilizer solutions. The total polyphenol content determined by the Folin reagent and the 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical-scavenging activity evaluated by measuring the decrease of DPPH detected by its absorption at 517 nm were measured in leaf lettuce cultivated with each of these four fertilizer solutions. Lettuce leaves cultivated by fertilizer solutions, A, B, C, and D, were extracted by 80% ethanol, the order of total polyphenol content being A<C<D<B, and that of DPPH radical-scavenging activity being C<A<D<B. These results indicate significantly different effects of the fertilizer solutions on the total polyphenol contents and DPPH radical-scavenging activity.
Journal
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- Journal of Home Economics of Japan
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Journal of Home Economics of Japan 58 (7), 407-411, 2007
The Japan Society of Home Economics
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Keywords
Details 詳細情報について
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- CRID
- 1390001206332504960
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- NII Article ID
- 110006368894
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- NII Book ID
- AN10040097
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- ISSN
- 18820352
- 09135227
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- NDL BIB ID
- 8815016
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- NDL-Digital
- CiNii Articles
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- Abstract License Flag
- Disallowed