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lantadene/lantana camara
Veza se sprema u međuspremnik
Page 1 od 38 rezultati
Levels of lantadenes, bioactive pentacyclic triterpenoids, in young and mature leaves of Lantana camara var. aculeata.
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Levels of the lantadene pentacyclic triterpenes were quantified in young and mature leaf samples of Lantana camara var. aculeata, by HPLC. The amount of different lantadenes (mg/100 g dry wt.) in young and mature leaf samples, respectively, was: lantadene A, 491.5 +/- 6.3, 805.9 +/- 52.8; lantadene
Biological action of lantadene C, a new hepatotoxicant from Lantana camara var. aculeata.
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Lantadene C (22 beta-2-methylbutanoyloxy-3-oxoolean-12-en-28-oic acid) isolated from the leaves of the hepatotoxic plant Lantana camara var. aculeata (Red) has been found to be identical with dihydrolantadene A reported earlier. Molecular structure of lantadene C has been deduced from single crystal
Molecular structure, polymorphism, and toxicity of lantadene A, the pentacyclic triterpenoid from the hepatotoxic plant Lantana camara.
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Lantadene A (22 beta-angeloyloxy-3-oxo-olean-12-en-28-oic acid), a pentacyclic triterpenoid compound from lantana (Lantana camara) leaves has been obtained in two polymorphic forms I and II. Form I had white, fluffy, and rod-shaped uniform crystals. Form II particles were irregular, shining, and
Filaricidal properties of Lantana camara and Tamarindus indica extracts, and Lantadene A from L. camara against Onchocerca ochengi and Loa loa.
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Ivermectin is the only drug currently recommended for the treatment of onchocerciasis, the second leading infectious cause of blindness in the world. This drug kills only the first stage larvae-microfilariae (mf) of Onchocerca volvulus and is to be used cautiously in areas where Loa loa is prevalent
[Antifeeding effects of crude lantadene from Lantana camara on Plutella xylostella and Spodoptera litura larvae].
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In this study, crude lantadene was extracted from Lantana canmara leaves, and its antifeeding effects on Plutella xylostella and Spodoptera litura larvae were tested. In no-choice test, crude lantadene at 1.6 mg x ml(-1) concentration had antifeeding effects on the 2nd instar P. xylostella larvae
Sub-chronic toxicopathological study of lantadenes of Lantana camara weed in Guinea pigs.
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BACKGROUND
In the field conditions, animals regularly consume small quantities of lantana leaves either while grazing or due to mixing with regular fodder. The hypothesis of this study was that consumption of lantana toxins over a long period of time leads to progression of sub-clinical disease.
Lantadene A content and toxicity of the lantana plant (Lantana camara, Linn.) to guinea pigs.
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Lantadene A, the active principle of Lantana camara L.; isolation of lantadene B, and the oxygen functions of lantadene A and lantadene B.
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Nematicidal triterpenoids from Lantana camara.
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A new triterpene, lancamarolide (1), and seven known triterpenes, oleanonic acid (2), lantadene A (3), 11α-hydroxy-3-oxours-12-en-28-oic acid (4), betulinic acid (5), lantadene B (6), and lantaninilic acid (7) were isolated from the aerial parts of Lantana camara in the course of bioassay-guided
A review of the toxicity of Lantana camara (Linn) in animals.
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Lantana poisoning has been taking a heavy toll of livestock year after year. All aspects of the problem are reviewed. Lantana poisoning in cattle, sheep, buffalo, and guinea pigs caused obstructive jaundice, photosensitization, and rise in serum glutamicoxaloaetic transaminase activity. The symptoms
Triterpenes of toxic and non-toxic taxa of Lantana camara.
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The taxa of Lantana camara toxic to animals contain lantadene A lantadene B, whereas in two non-toxic taxa other triterpenes predominate. Several new triterpenes have been characterized. Contrary to earlier claims, lantadene A and to a lesser extent lantadene B are toxic when administered
[Studies on the chemical constituents of the leaves of Lantana camara].
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Six compounds were isolated from leaves of Lantana camara. On the basis of chemical and spectral (UV, IR, EI-MS, 1HNMR 13CNMR) analysis, they were identified as oleanonic acid (I), lantadene A (II), lantadene B (III), lantanilic acid (IV), icterogenin (V) and
Isolation and partial purification of Lantana (Lantana camara L.) toxins.
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A partially purified toxin fraction and lantadene A were obtained from Lantana camara L. leaves by batch extraction, column chromatography and fractional crystallization. Toxicity was tested in guinea pigs. The total number of chemical entities in the partially purified toxin preparation was 7, the
Effect of Lantana camara toxicity on lipid peroxidation in guinea pig tissues.
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Lantana intoxication of guinea pig inhibited lipid peroxidation in different tissues in the order: adrenals greater than liver greater than kidneys greater than heart greater than lungs greater than testes greater than brain. The inhibitory factor(s) appear to be present in the postmitochondrial
Toxicity of isolated Lantana (Lantana camara L) constituents to male and female guinea pigs.
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A toxin fraction was obtained from Lantana camara L (red variety) leaves by batch extraction and column chromatography on silica gel (60-120 mesh). The main constituents of the toxin preparation were lantadene A and lantadene B and it was devoid of reduced lantadene A. Oral administration (125 mg/kg
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