The Rc and Rd genes are involved in proanthocyanidin synthesis in rice pericarp.
- Tsutomu Furukawa, M. Maekawa, K. Kadowaki
- Biology, MedicineThe Plant Journal
- 6 December 2006
Two genes affecting proanthocyanidin synthesis in red- and brown-colored rice were elucidated and it was suggested that the Rd and A loci are identical, and both encode dihydroflavonol-4-reductase (DFR).
Physiological Functionality of Purple-Fleshed Sweet Potatoes Containing Anthocyanins and Their Utilization in Foods
- I. Suda, T. Oki, Mami Masuda, Mio Kobayashi, Y. Nishiba, S. Furuta
- Chemistry
- 31 July 2003
Studies on the physiological functionality of purple-fleshed sweet potatoes and their dominant anthocyanin pigments are described. The purple-fleshed sweet potato cultivar 'Ayamurasaki' contained…
Involvement of Anthocyanins and other Phenolic Compounds in Radical‐Scavenging Activity of Purple‐Fleshed Sweet Potato Cultivars
- T. Oki, Mami Masuda, S. Furuta, Y. Nishiba, N. Terahara, I. Suda
- Chemistry
- 1 June 2002
ABSTRACT: The 80% ethanol extracts of 5 purple-fleshed sweet potato cultivars were separated into 2 fractions, anthocyanins- and phenolic compounds-rich fractions, to clarify the contribution of…
Levels of active oxygen species are controlled by ascorbic acid and anthocyanin in Arabidopsis.
- T. Nagata, S. Todoriki, S. Kikuchi
- Chemistry, MedicineJournal of Agricultural and Food Chemistry
- 7 May 2003
An electron spin resonance (ESR) method was used to directly measure superoxide radical scavenging activities in the wild-type Arabidopsis thaliana, which revealed an associated increase in the accumulation of ascorbic acid and anthocyanin in irradiated plants.
Relationships between chain length distribution of amylopectin and gelatinization properties within the same botanical origin for sweet potato and buckwheat
- Takahiro Noda, Y. Takahata, O. Yamakawa
- Chemistry
- 1 October 1998
Simple and rapid method for the selective detection of individual lipoxygenase isozymes in soybean seeds
- I. Suda, M. Hajika, Y. Nishiba, S. Furuta, K. Igita
- Chemistry
- 1 March 1995
A simple and rapid spectrophotometric and visual judging method was developed for the selective detection of individual lipoxygenase isozymes (L-1, L-2, and L-3) in soybean [Glycine max (L.) Merrill]…
Highly polymerized procyanidins in brown soybean seed coat with a high radical-scavenging activity.
- Y. Takahata, M. Ohnishi-Kameyama, S. Furuta, M. Takahashi, I. Suda
- Chemistry, MedicineJournal of Agricultural and Food Chemistry
- 3 November 2001
1,1-diphenyl-2-picrylhydrazyl (DPPH) radical-scavenging activity of the 70% aqueous acetone extract from the seed coat of the brown soybean variety, Akita-Zairai, was investigated. The activity of…
Intake of purple sweet potato beverage affects on serum hepatic biomarker levels of healthy adult men with borderline hepatitis
- I. Suda, F. Ishikawa, S. Horiuchi
- MedicineEuropean Journal of Clinical Nutrition
- 2008
The intake of the PSP beverage significantly decreased the serum levels of hepatic biomarkers, particularly the GGT level, in healthy men with borderline hepatitis.
Polymeric procyanidins as radical-scavenging components in red-hulled rice.
- T. Oki, Mami Masuda, Tetsuo Sato
- Chemistry, MedicineJournal of Agricultural and Food Chemistry
- 12 November 2002
The major components responsible for the radical scavenging in the acetone extract from red-hulled rice were identified as procyanidins by acidic hydrolysis, vanillin assay, and Sephadex LH-20 chromatography.
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