lantadene/lantana

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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

Detoxification of lantana hepatotoxin, lantadene A, using Alcaligenes faecalis.

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Detoxification of lantadene A (LA), the hepatotoxin from Lantana camara var. aculeata, by the bacterial strain Alcaligenes faecalis has been investigated. Lantadene A induced hepatotoxicity concomitant with increases in plasma bilirubin, blood plasma enzymes and histopathological lesions that typify

Comparison of lantadenes content and toxicity of different taxa of the lantana plant.

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Three taxa of the lantana plant (Lantana camara var.Aculeata) I (white-pink), II (yellow-pink), and III (yellow-red)-differed in the content of lantadenes and compounds X, Y, and Z. Lantadene A, lantadene B, and lantadene C were the major lantadenes of taxon III. It contained small amounts of

Biotransformation of lantadenes, the pentacyclic triterpenoid hepatotoxins of lantana plant, in guinea pig.

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Oral administration of lantana (Lantana camara var. aculeata) leaf powder to guinea pigs at a dose of 6 g/ kg body weight elicited cholestasis. The animals were euthanized 48 h after dosing. Liver homogenates, bile, gall bladder, blood, urine, contents of gastrointestinal tract (GIT) and faeces were

[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

In vitro antioxidant activity potential of lantadene A, a pentacyclic triterpenoid of Lantana plants.

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Lantadenes are pentacyclic triterpenoids present in the leaves of the plant Lantana camara. In the present study, in vitro antioxidant activity and free radical scavenging capacity of lantadene A was evaluated using established in vitro models such as ferric reducing antioxidant power (FRAP),

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.

Genotoxic and Cytotoxic Activities of Lantadene A-Loaded Gold Nanoparticles (LA-AuNPS) in MCF-7 Cell Line: An in vitro Assessment

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Gold nanoparticles (AuNPs) have been widely used in many applications. Their usage as drug delivery vehicles has also gained considerable attention due to their chemical and optical properties as well as their good biocompatibility. The present study was conducted to evaluate the efficiency of AuNPs

Lantadene A toxicity in sheep. A model for cholestasis.

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Liver injury occurred after sheep were injected intravenously with the triperpene acid lantadene A, the toxic principle of the tropical plant Lantana camara. A single dose of 1--3 mg/kg of the compound caused mild hepatocellular injury characterized by transient rises in serum enzymes, with or

Biotransformation of lantadene A (22 beta-angeloyloxy-3-oxoolean-12-en-28-oic acid), the pentacyclic triterpenoid, by Alcaligenes faecalis.

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A bacterial strain capable of biotransformation of lantadene A (22 beta-angeloyloxy-3-oxo-olean-12-en-28-oic acid), the pentacyclic hepatotoxin of lantana (Lantana camara var. aculeata) has been isolated from soil using lantadene A as the sole carbon source. The organism is Gram negative, rod

Spectrophotometric determination of lantadene A, 22 beta-angeloyloxy-3-oxoolean-12-en-28-oic acid.

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The formation of a blue chromogen between sodium borohydride-treated lantadene A (22 beta-angeloyloxy-3-oxoolean-12-en-28-oic acid) and acetic anhydride-sulfuric acid (9:1) formed the basis of a spectrophotometric method for its quantitation. The chromogen had a broad absorption maximum (lambda max)

Comparative effects of lantadene A and its reduced metabolite on mitochondrial bioenergetics.

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Lantana (Lantana camara Linn.) is a noxious weed to which certain medicinal properties have been attributed, but its ingestion has been reported to be highly toxic to animals and humans, especially in the liver. The main hepatotoxin in lantana leaves is believed to be the pentacyclic triterpenoid

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

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