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Faqja 1 nga 453 rezultatet
Tetranortriterpenoids from the Leaves of Cipadessa cinerascens.
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Identifikohuni Regjistrohu
Seven known and six new tetranortriterpenoids, cineracipadesins A-F (1-6), were isolated from the leaves of Cipadessa cinerascens. Compound 1 has a mexicanolide-type structural skeleton with a rare 9alpha,11alpha-epoxide ring; compound 2 has a methyl angolensate-type structure with 9,11-dihydroxy
Sesquiterpenes from the leaves of Laurus nobilis L.
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Identifikohuni Regjistrohu
Ten sesquiterpenes, together with 12 known compounds were isolated from leaves of Laurus nobilis L. Based on spectroscopic analyses, the 10 compounds were determined to be eudesmane lactones and their corresponding methyl esters. Most of these compounds exhibited moderate-to-significant cytotoxicity
Chemical constituents of the leaves of Dracaena thalioides.
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Identifikohuni Regjistrohu
Two new furostanol bisdesmosides (1 and 2) and seven known compounds (3-9) were isolated from the leaves of Dracaena thalioides (Agavaceae). The structures of the new compounds were determined on the basis of spectroscopic data and the results of hydrolytic cleavage. The isolated compounds were
Cytotoxic compounds from the leaves of Garcinia polyantha.
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Identifikohuni Regjistrohu
A new compound, named banganxanthone C (=12-(1,1-dimethylprop-2-en-1-yl)-5,10-dihydroxy-9-methoxy-2-methyl-2-(4-methylpent-3-en-1-yl)-2H,6H-pyrano[3,2-b]xanthen-6-one; 4), together with five known compounds, were isolated from the leaves of Garcinia polyantha. The structures of the compounds were
Biological activities of xanthatin from Xanthium strumarium leaves.
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Identifikohuni Regjistrohu
The objective of the present work was to evaluate the biological activities of the major bioactive compound, xanthatin, and other compounds from Xanthium strumarium (Asteraceae) leaves. Inhibition of bloodstream forms of Trypanosoma brucei brucei and leukaemia HL-60 cell proliferation was assessed
Steroidal saponins from the leaves of Cestrum sendtenerianum.
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Identifikohuni Regjistrohu
Five steroidal saponins were isolated from the EtOH extract of Cestrium sendtenerianum (Solanaceae), as confirmed by detailed analysis of their 1H, 13C, and two-dimensional NMR spectral data, and by the results of hydrolytic cleavage. The saponins were revealed to contain three hydroxyl groups at
Indole alkaloids from leaves and twigs of Rauvolfia verticillata.
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Identifikohuni Regjistrohu
Seven new indole alkaloids, rauverines A-G (1-7), and 19 known indole alkaloids were isolated from the leaves and twigs of Rauvolfia verticillata. All compounds showed no cytotoxicity against five human cancer cell lines, human myeloid leukemia (HL-60), hepatocellular carcinoma (SMMC-7721), lung
Three new xanthones from the leaves of Garcinia lancilimba.
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Identifikohuni Regjistrohu
Three new prenylated xanthones, garcinexanthones G-I (1-3), together with fifteen known ones (4-18) were identified from the leaves of Garcinia lancilimba. Their structures were determined by extensive spectroscopic analyses. Most of the compounds exhibited inhibitory effects against HL-60 (human
Diterpenoids from the leaves of Casearia kurzii showing cytotoxic activities.
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Identifikohuni Regjistrohu
A phytochemical investigation to obtain bioactive substances as lead compounds or agents for cancer led to the obtainment of six new and two known clerodane diterpenoids from the leaves of Casearia kurzii. Their structures were elucidated using NMR techniques and electronic circular dichroism (ECD)
Cytotoxic Bufadienolides from the Leaves of Melianthus major
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Identifikohuni Regjistrohu
Melianthus major is a medicinal plant endemic to South Africa. Its leaf extract led to the isolation of five new bufadienolides, 2β-acetoxy-3,5-di-O-acetylhellebrigenin (1), 2β-acetoxy-3-O-acetylhellebrigenin (2), 2β-acetoxy-14-deoxy-15β,16β-epoxymelianthugenin
A new steroidal saponin from the leaves of Agave americana.
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Identifikohuni Regjistrohu
A new bisdesmosidic spirostanol saponin, along with three known saponins, were isolated from Agave americana (Agavaceae). The structure of the new saponin was elucidated as (25R)-3 beta,6 alpha-dihydroxy-5 alpha-spirostan-12-one 3,6-di-O-beta-D-glucopyranoside. Among the isolated saponins, hecogenin
Antioxidant and cytotoxic activity of hydroethanolic extract from Jacaranda decurrens leaves.
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Identifikohuni Regjistrohu
OBJECTIVE
Leaves of Jacaranda decurrens are used in traditional Brazilian medicine to treat metabolic diseases related to increased reactive oxygen species. The present study evaluated the antioxidant and cytotoxic potential of hydroethanolic extract from the leaves of Jacaranda decurrens subsp.
Cytotoxic sesquiterpene lactones from the leaves of Vernonia guineensis Benth. (Asteraceae).
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Identifikohuni Regjistrohu
BACKGROUND
Vernonia guineensis Benth. (Asteraceae) preparations are used in folk medicine in Cameroon to treat a number of ailments, including prostate cancer and malaria, and is used as an anthelmintic, adaptogen and antidote. The aim of this study was to continue the validation of the activity of
Induction of apoptosis by isoflavonoids from the leaves of Millettia taiwaniana in human leukemia HL-60 cells.
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Identifikohuni Regjistrohu
We have isolated two new isoflavonoids, millewanin-F (1) and furowanin-A (2), together with five known isoflavonoids from the leaves of Millettia taiwaniana Hayata (Leguminosae) and examined their effects on the growth of human leukemia HL-60 cells. Among the isolated isoflavonoids, furowanin-A (2),
Identification of cytotoxic compound from Artocarpus communis leaves against P-388 cells.
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Identifikohuni Regjistrohu
In the course of continuing research for finding bioactive compounds from Indonesian plants, the leaves of Artocarpus communis was extracted by ethanol. This extract partitioned with n-hexane-water (1:4) and then water extract was partitioned with dichloromethane. Dichloromethane extract was
Baza e të dhënave më e plotë e bimëve medicinale e mbështetur nga shkenca
- Punon në 55 gjuhë
- Kurime bimore të mbështetura nga shkenca
- Njohja e bimëve nga imazhi
- Harta GPS interaktive - etiketoni bimët në vendndodhje (së shpejti)
- Lexoni botime shkencore në lidhje me kërkimin tuaj
- Kërkoni bimë medicinale nga efektet e tyre
- Organizoni interesat tuaja dhe qëndroni në azhurnim me kërkimet e lajmeve, provat klinike dhe patentat
Shkruani një simptomë ose një sëmundje dhe lexoni në lidhje me barërat që mund të ndihmojnë, shtypni një barishte dhe shikoni sëmundjet dhe simptomat që përdoren kundër.
* I gjithë informacioni bazohet në kërkimin shkencor të botuar
