lemna/לוקמיה

הקישור נשמר בלוח

מאמריםניסויים קלינייםפטנטים

בחר סוג מיון

עמוד 1 מ 453 תוצאות

Tetranortriterpenoids from the Leaves of Cipadessa cinerascens.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

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.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

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.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

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.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

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.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

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.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

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.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

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.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

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.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

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

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

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.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

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.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

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).

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

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.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

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.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

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

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Herbal & Natural Medicine

המאגר השלם ביותר של צמחי מרפא המגובה על ידי המדע

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