Results 161 to 170 of about 6,285 (210)

Cytochrome P450-Induced Backbone Rearrangements in Terpene Biosynthesis of Plants. [PDF]

Molecules
Frey M, Jochimsen CM, Degenhardt J.
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THE POLYAMINES OF Xanthium strumarium and THEIR RESPONSE TO PHOTOPERIOD

Photochemistry and Photobiology, 1990
Abstract— Flowering plants of Xanthium strumarium L., grown in 8 h photoperiods, were analysed for polyamines. Putrescine, spermidine and spermine were found throughout the plant in three forms: (a) as free polyamines; (b) conjugates soluble in 5% trichloracetic acid (TCA); and (c) bound to the TCA‐insoluble precipitate.
N, Hamasaki, A W, Galston
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A new thiazinedione from Xanthium strumarium

Fitoterapia, 2006
A new thiazinedione was isolated from the fruit of Xanthium strumarium. Its structure was elucidated by a combination of spectral methods.
Luping, Qin, Ting, Han, Huiliang, Li, Qiaoyan, Zhang, Hanchen, Zheng   +4 more
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Thiazinedione from xanthium strumarium

Phytochemistry, 1998
Abstract From the aqueous acetone extract of burweed fruit, a new thiazinedione and four known phenolic compounds were isolated. The phenolics were identified as caffeic acid, potassium 3-O-caffeoyl quinate, 1,5-di-O-caffeoylquinic acid and 1,3,5-tri-O-caffeoylquinic acid.
Ying-Tsun Ma, Mu-Chi Huang, Feng-Lin Hsu, Hsiu-Fong Chang   +3 more
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Xanthanolides from Xanthium strumarium

Phytochemistry, 1992
Abstract An extract of aerial parts of Xanthium strumarium afforded one new sesquiterpene lactone, 2-hydroxytomentosin- 1β,5β-epoxide, in addition to many known ones.
Mangel S. Malik, Naresh K. Sangwan, Kuldip Singh Dhindsa   +2 more
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Xanthium strumarium

2006
Enthält 5 Bilder der Gewöhnlichen Spitzklette.
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A xanthanolide from Xanthium strumarium

Phytochemistry, 1994
Abstract In addition to known xanthanolides, a new one has been isolated from the leaves of Xanthium strumarium . Its structure was established on chemical and spectroscopic grounds.
V.K. Saxena, S.K. Mondal
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Cotyledonary Senescence of Xanthium strumarium Linn

Botanical Gazette, 1974
Cotyledonary senescence of Xanthium strumarium was delayed by removal of the supracotyledonary shoot, and this delay was accompanied by an increase in dry weight and surface area of cotyledons. Gibberellic acid (GA3) was found to enhance cotyledonary senescence and benzyladenine to retard it.
K. K. Gupta, S. K. Chatterjee
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Xanthium italicum, Xanthium strumarium and Arctium lappa as new hosts for Diaporthe helianthi

Mycopathologia, 2010
Sunflower (Helianthus annuus) stem canker caused by Diaporthe helianthi is one of the most important sunflower diseases in Croatia. Until recently, sunflower was the only known host for D. helianthi. In our research carried out in the area of Eastern Croatia, isolates of Diaporthe/Phomospis were collected from Xanthium italicum, X.
Vrandečić, Karolina, Jurković, Draženka, Riccioni, Luca, Ćosić, Jasenka, Duvnjak, Tomislav   +4 more
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