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Salicylic acid (SA) induced potato tuberization in vitro at concentrations greater than 10−5 M. A comparison of the tuber-inducing activities of various related compounds suggested that derivatives… (More)
The new caffeic acid derivative, subulatin (1), was isolated from in vitro cultured liverworts, Jungermannia subulata, Lophocolea heterophylla, and Scapania parvitexta. The structure of 1 involved… (More)
On the basis of spectroscopic data and chemical reaction, structures 1, 2 and 3 are proposed for solanapyrones A, B and C, phytotoxins from the fungus Alternaria solani, parasite of potato.
The formation of ortho-quinone from ortho-diphenol is a key step in its dimerization. An NMR analysis of the oxidation of 3,4-dihydroxycinnamic acid (caffeic acid) by NaIO4 revealed the formation of… (More)
A siderophore was isolated as a non-specific phytotoxic compound from a culture of Colletotrichum gloeosporioides isolated from infected blackberry. This siderophore was identified as ferricrocin by… (More)
Higher alcohols with a carbon length ranging from 16 to 30 found in the lipophilic fraction from potato pulp were shown to be present as ferulate and in a free form, but not as wax. Thin-layer… (More)
BackgroundObesity and overweight have been frequently observed in dogs and cats in recent years as in humans. The compositions of fatty acids (FAs) in the accumulated lipids in tissues of obese… (More)
The biosynthesis of fukinolic acid, which had been isolated from the Japanese fuki vegetable, Petasites japonicus, was investigated by feeding selected (13)C-labeled compounds to axenic cultures of… (More)
Six new clerodane-type diterpenoids have been isolated from axenic cultures of the liverwort Jamesoniella autumnalis. Their structures were elucidated on the basis of spectroscopic evidence.