Results 101 to 110 of about 4,844 (146)

Sesquiterpene lactones from Saussurea involucrata

Fitoterapia, 2011
Bioassay-directed separation of the ethyl acetate extract from the aerial parts of Saussurea involucrata (Kar. et Kir. ex Maxim) led to the isolation of three new sesquiterpene lactones sausinlactones A (1), B (2), C (3) and six known ones (4-9). The structures were established by spectroscopic data (UV, IR, HRESIMS, 1D and 2D NMR).
Wan, Xiao, Xian, Li, Ning, Li, Makabili, Bolati, Xinjun, Wang, Xiaoguang, Jia, Yuqing, Zhao   +6 more
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Sesquiterpene Lactone Mix

2003
The sesquiterpene lactone mix (SL mix) consists of 3 allergens: alantolactone, costunolide, dehydrocostus lactone.
Paulsen, E., Andersen, K.E.
openaire   +2 more sources

Alkylation of deoxyguanosine by the sesquiterpene lactone hymenoxon

Toxicology Letters, 1985
Hymenoxon, a toxic sesquiterpene lactone found in the ruminant forage plant Hymenoxys odorata, binds deoxyguanosine in a cell-free system, and forms adducted guanine residues in sheep lymphocyte DNA. Mitogen-stimulated DNA synthesis in lymphocytes was inhibited by hymenoxon at concentrations greater than 100 microM.
Sylvia, VL, Joe, CO Joe, Cheol O, Stipanovic, RD, Kim, HL, Busbee, DL   +4 more
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Contact Dermatitis Caused by Sesquiterpene Lactones

American Journal of Contact Dermatitis, 1998
Compositae dermatitis involves workers such as gardeners, florists, and farmers, and less commonly people not employed in occupations at risk.To report a case of contact sensitization caused by Compositae, the source of sensitization being both pesticides and plants.A 65-year-old man, whose hobby was gardening, was affected by a chronic eczema of the ...
E, Spettoli, S, Silvani, P, Lucente, L, Guerra, C, Vincenzi   +4 more
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Allergenic Component of a Liverwort: A Sesquiterpene Lactone

Science, 1969
Frullania spp. (Hepaticae, Jungermanniales) are agents of allergies. Extraction and fractionation of Frullania tamarisci has given, as the only allergenic component isolated, a levorotatory crystalline substance, the structure of which is demonstrated. It is a sesquiterpene lactone.
H, Knoche, G, Ourisson, G W, Perold, J, Foussereau, J, Maleville   +4 more
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Advances in sesquiterpene lactones extraction

TrAC Trends in Analytical Chemistry, 2022
Teresa Brás, Luísa A. Neves, João G. Crespo, Maria F. Duarte   +3 more
openaire   +1 more source

Sesquiterpene Lactones in Compositae

1971
The degree to which modern techniques of chemical analysis and structure determi1nation have contributed to the development of our knowledge of plant constituents is aptly illustrated by considering recent developments in sesquiterpene chemistry. Comparison of the relatively small sesquiterpene section in Simonsen’s classic treatise1) with the ever ...
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Chemistry of Sesquiterpene Lactones

2018
Sesquiterpene lactones are a class of bioactive plant products that display an array of biological and pharmacological activities such as antimicrobial, cytotoxic, anti-inflammatory, antiviral, antibacterial, and antifungal. A vast amount of sesquiterpene molecular structures has been reported, and the largest numbers of these types of compounds can be
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Sesquiterpenes Lactone

2022
Bimal Krishna Banik, Abhishek Tiwari, Biswa Mohan Sahoo   +2 more
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Perspectives on Sesquiterpene Lactones in Inflammation and Cancer

Current Drug Targets, 2011
Sesquiterpene lactones are a large group of secondary plant metabolites mostly known from the Asteraceae family. They exert a broad variety of different biological activities. This review attempts to critically summarise the knowledge on the anti-inflammatory and cytotoxic activity of SLs, with a special focus on parthenolide and helenalin.
openaire   +3 more sources