Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Gestur Johnson"'
Publikováno v:
American Potato Journal. 51:216-222
The purpose of this study was to determine the effects which dihydroquercetin (DHQ) has on the natural healing process of suberization and wound periderm initiation in cut seed potatoes. Dihydroquercetin is a phenolic compound extracted from the bark
Publikováno v:
Physiological Plant Pathology. 8:225-230
Leaves of sugarbeet ( Beta vulgaris ) infected with Cercospora beticola yield two compounds, the flavanone betagarin (C 18 H 16 O 6 ) and the isoflavone betavulgarin (C 17 H 12 O 6 ). Highly resistant cultivars appear to produce greater quantities of
Publikováno v:
Botanical Gazette. 115:190-195
1. This study reports the comparative effects of catechol, eight related compounds, and two other chemicals upon suberization of cut potato tubers. 2. All the ortho-dihydric phenols used except protocatechuic acid stimulated the formation of a thicke
Autor:
Gestur Johnson, W. E. Pyke
Publikováno v:
Poultry Science. 20:125-138
THE egg production and marketing industry is in fair agreement with the user of table eggs in what should be recognized as desirable culinary qualities. Agreement of investigators and the industry is far from good regarding what are desirable qualiti
Publikováno v:
Phytochemistry. 10:3185-3193
The C -glycosylflavone pigments found in wheat leaves are a varied mixture of compounds in the luteolin and apigenin series; iso-orientin, lutonarin, lucenin-1, lucenin-3, vicenin-2, and an unreported C -glycoside, wyomin, an iso-orientin derivative
Autor:
Gestur Johnson, J.D. Ponting
Publikováno v:
Industrial & Engineering Chemistry Analytical Edition. 17:682-686
Publikováno v:
Journal of Agricultural and Food Chemistry. 12:216-219
Autor:
W. E. Pyke, Gestur Johnson
Publikováno v:
American Potato Journal. 17:1-9
Publikováno v:
Experimental Biology and Medicine. 114:20-25
The antifertility activity of an oxidized polyphenolic acid from Lithospermum ruderale was investigated. A polyphenolic acid was isolated from the roots of Lithospermum ruderale and was named lithospermic acid(LA). No biological activity of LA was ob
Publikováno v:
Phytochemistry. 2:145-150
Lithospermic acid from L. ruderale roots is a polyphenolic carboxylic acid with an empirical formula believed to be C 16 H 14 O 7 . The molecule has two 1,2,4-trisubstituted benzene rings, each containing o -dihydroxy groupings; and an olefinic group