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Matthew A. Escobar, Andrew Shilling, Pine Higgins, Sandra L. Uratsu and Abhaya M. Dandekar

described by Constabel and Ryan (1998) using 3,4-dihydroxyphenylalanine (L-DOPA) as a substrate, with dopachrome production monitored spectrophotometrically at 490 nm (DU 520; Beckman Coulter, Fullerton, CA). The assay buffer contained 100 mM NaPO 4 (pH 7

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Michael J. Adler and Carlene A. Chase

attributed to L-3-[3,4-dihydroxyphenylalanine (L-DOPA)] ( Fujii et al., 1991 ), which is exuded from leaves and roots ( Fujii, 1999 ; Nishihara et al., 2005 ). It is estimated that velvetbean can contribute 200 to 300 kg·ha −1 of L-DOPA to the soil each

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Fatemeh Khodadadi, Masoud Tohidfar, Mehdi Mohayeji, Abhaya M. Dandekar, Charles A. Leslie, Daniel A. Kluepfel, Timothy Butterfield and Kourosh Vahdati

·mL −1 l -3,4 dihydroxyphenylalanine ( l -Dopa) as a substrate and setting the plate reader at 490 nm and 30 °C. The assay solution consisted of 100 m m NaPO 4 (pH 7), 0.015% (w/v) sodium dodecyl sulfate, and catalase (280 U/mL). Negative control

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Muhammad Mansoor Javaid, Manish Bhan, Jodie V. Johnson, Bala Rathinasabapathi and Carlene A. Chase

l -3-(3,4-dihydroxyphenyl)alanine ( l -DOPA) from velvet bean [ Mucuna pruriens var. utilis ( Nishihara et al., 2005 )], mimosine and albizziine from Leucaena leucocephala and Albizia species, respectively ( Williams and Hoagland, 2007 ), and

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Masafumi Johkan, Genjirou Mori, Kazuhiko Mitsukuri, Keiichirou Mishiba, Toshinobu Morikawa and Masayuki Oda

-linked pentose phosphate pathway for phenolics and L-DOPA synthesis in dark germinated Vicia faba Pro. Biochem. 37 1285 1295 Singleton, V.L. Rossi, J.A. 1965 Colorimetry of total phenolics with phosphomolybedic