Supercritical fluid extraction of essential oil from. Supercritical co 2 extraction was applied to recover bioactive extract from l. Bulnesia sarmientoi supercritical fluid extract exhibits. Biologically active compounds from chilean medicinal plants. The results obtained agree with the single crystal xray diffraction studies. Considering the capability of essential oils eos, the present study is conducted to compare different extraction methods in order to improve yield and biological activities. A few species native to other places were formerly included, but they have been moved to other genera.
Martinez r, kesternich v, gutierrez e, dolz h, mansilla h. Request pdf on dec 1, 2015, edgar uquiche and others published supercritical fluid extraction of essential oil from leptocarpha rivularis using co2 find, read and cite all the research you. Bulnesia sarmientoi bs has long been used as an analgesic, woundhealing and antiinflammatory medicinal plant. Crataegus rivularis is a species of hawthorn known by the common name river hawthorn. Request pdf pressurized liquid extraction of polyphenols and methylxanthines from crude and waste guarana seeds guarana seeds are extensively consumed as natural supplement because of active.
John dransfield listens intently as mike merritt poses a question. We studied supercritical extraction with ethanolmodified co 2, combining different levels of temperature 40 and 60 c and pressure 20, 30 and 40 mpa, to obtain extracts from leptocarpha rivularis stalks with inhibitory capacity against. Asteraceae, a native bush with the local name palo negro in chile, and cudumam ell in mapudungun language. This study investigated the antiproliferative and antimetastatic effects of bs supercritical fluid extract bse on the a549 and h661 lung cancer cell lines. The land has been inhabited for over 20,000 years by peoples who have developed rich traditions in the medicinal use of native plants, continuing to a large extent up to the present. Thujone, a component of medicinal herbs, rescues palmitate. It is endemic to madagascar, where it grows in forests near rivers. Uquiche e, cirano n, millao s 2015 supercritical fluid extraction of essential oil from leptocarpha rivularis using co 2. This name is the accepted name of a species in the genus leptocarpha family compositae the record derives from tica data supplied on 20120211 which reports it as an accepted name record 267219a0392144aaa6e5c7fd4cbac376 with original publication details. The antioxidant, antiinflammatory, and cytotoxic activities of water and ethanol extracts of 14 chinese medicinal plants were investigated and also their total phenolics and flavonoid contents measured. The geographical isolation of chile provided by the andean range, the pacific ocean, and the atacama desert, has produced a unique flora of ca. It is native to the intermontane region of the northwestern united states, situated between the coastal ranges and the rocky mountains c.
Nowadays it is marketed in pharmacies and alternative medicine shops as a product. Antioxidant and antiinflammatory activities of selected. This evergreen bush belongs to the family asteraceae compositae and to the genus leptocarpha. The extracts were measured for their ability to inhibit. Mapuche medicinal plant palo negro leptocarpha issn. Leptocarpus is a genus of dioeceous rushlike perennial plants described as a genus in 1810 the genus as currently conceived is entirely endemic to australia. Leptocarpha is a genus of flowering plants in the sunflower family species. Journal of applied research on medicinal and aromatic plants. Author links open overlay panel edgar uquiche a b fabiola garces a. A response surface design was applied to study the effects of temperature 3852 c and pressure 10. Addition of eos to edible products, either by direct mixing or in active. Recent journal of applied research on medicinal and aromatic. All structured data from the file and property namespaces is available under the creative commons cc0 license. Conformational analysis and biological activity of leptocarpin and leptocarpin acetate.
Caryophyllene trans4,11,11trimethyl8methylenebicyclo7,2,0undec4ene, found in various plants, is a natural bicyclic sesquiterpene with a low toxicity. Myiothlypis rivularis neotropical river warbler avibase. Presented by grade 10 spectacled bear and black suit plant spectacled bear leptocarpha rivularis spectacled bear conservation the spectacled bear is the only living. Flos chrysanthemi indici, an important medicinal and aromatic plant in china, is considered to have many different preservative and pharmacological properties. After the chelicera penetrated the hosts cuticle a substance was secreted to cement the mite to its host. Many eos have antioxidant properties, and the use of eos as natural antioxidants is a field of growing interest because some synthetic antioxidants such as bha and bht are now suspected to be potentially harmful to human health. Comparative evaluation of quercetin, isoquercetin and rutin.
Benth, from the fabaceae family, is a rhizomatous shrub which grows up to 1. The structure of leptocarpin was established as the 8. Dypsis rivularis in the germplasm resources information network grin, u. Leptocarpus restionaceae enlarged to include meeboldina and stenotalis, with new western australian species and subgenera.
Pdf uhplcesiorbitrapms analysis of the native mapuche. Leptocarpus in world checklist of selected plant families. There are fewer than 100 mature individuals estimated to remain. It is native to the intermontane region of the northwestern united states, situated between the coastal ranges and the rocky mountains. Leptocarpin and 17,18dihydroleptocarpin, two new heliangolides. Hydrodistillation hd, steamdistillation sd, solvent. Leptocarpha rivularis introduction leptocarpha rivularis dc. Supercritical fluid extraction of essential oil from leptocarpha rivularis using co 2. Leptocarpha rivularis is a medicinal plant endemic to southern chile belonging to the asteraceae family. Leptocarpha is a genus of flowering plants in the sunflower family. Request pdf on dec 1, 2015, edgar uquiche and others published recovery and antioxidant activity of extracts from leptocarpha rivularis by supercritical carbon dioxide extraction find, read. Essential oils eos are liquid mixtures of volatile compounds obtained from aromatic plants.
Files are available under licenses specified on their description page. It grows in damp places with exposure to sun and can reach a height of 2 m 6 ft 6 in. This page was last edited on 26 september 2016, at 09. The protologue mentions two populations, at imaloto at the foot of the isalo and at the matitina r. Description and images of leptocarpha rivularis palo negro. Uhplcesiorbitrapms analysis of the native mapuche medicinal plant palo negro leptocarpha rivularis dc. Myrica faya is a fruit tree endemic of the macaronesia azores, madeira, and canary island, and its edible fruits are known as amorinhos little loves, bright red to purple berries, used fresh and in jams and liquors. Nowadays it is marketed in pharmacies and alternative medicine shops as a product to make infusions. Comparative evaluation of quercetin, isoquercetin and.
For more multimedia, look at leptocarpha rivularis on wikimedia commons. Locally known as retortuno, the plant has been ethnopharmacologically used as an astringent, odontalgic, to treat inflammation and diarrhea. Supercritical extraction with carbon dioxide and cosolvent from leptocarpha rivularis. The present study examined the suitability of laser desorptionionization timeofflight mass spectrometry ldims for the rapid chemical fingerprinting of lichen extracts. Download hires image download to mspowerpoint cite this. Uhplcqorbitrapmsms fingerprinting and antitumoral effects. Description and images of leptocarpha rivularis palo.
Citescore values are based on citation counts in a given year e. Text is available under the creative commons attributionsharealike license. Department of agriculture agricultural research service. Pdf composition of essential oils from five aromatic. Site attachment of a protelean parasite erythraeidae. Antiinflammatory bioactivities in plant extracts journal. Recovery and antioxidant activity of extracts from leptocarpha rivularis by supercritical carbon dioxide extraction. Journal of enzyme inhibition and medicinal chemistry. Assessment of the bioactive capacity of extracts from.
Leptocarpha rivularis in the germplasm resources information network grin, u. An international and interdisciplinary open access journal, publishing new knowledge and findings on enzyme inhibitors and inhibitory processes, and agonistantagonist receptor interactions in the development of medicinal and anticancer agents. Pdf download buy article permissions and reprints abstract this paper deals with the conformational study in solution of leptocarpin, a germacranolide with the heliangolide structure isolated from leptocarpha rivularis d. Glandular trichome disruption by rapid co2 depressurization as pretreatment for recovery of essential oil from leptocarpha rivularis leaves industrial crops and products, vol. Author links open overlay panel edgar uquiche a b natalia cirano a sonia millao a. Conformational analysis and biological activity of. Mapuche medicinal plant palo negro leptocarpha rivularis dc.
Here, we show that a single intraperitoneal injection of. Lichens are known to produce a wide array of secondary metabolites. The aqueous extract of its bark has been demonstrated to have anticancer activity. Most of these compounds are unique to the symbiotic condition but some can be found in many species. Leptocarpha species leptocarpha rivularis name synonyms helianthus rivularis poepp. The record derives from tica data supplied on 20120211 which reports it as an accepted name record 267219a0392144aaa6e5c7fd4cbac376 with original publication details. The antioxidant activity was evaluated in a biological assay using saccharomyces cerevisiae, whereas the radical scavenging activity was measured using the 2,2diphenyl1picrylhydrazyl dpph. Description and images of leptocarpha rivularis palo negro, a native chilean plant, provided by the supplier of native exotic chilean seeds and organizer of plant watching tours. Its scientific name is leptocarpha rivularis1 and belongs to the compositae family, to the heliantheae tribe, presently classified as asteraceae2. The isolation and structure determination of two new sesquiterpene lactones of the heliangolide type, leptocarpin and 17,18dihydroleptocarpin from leptocarpha rivularis, are described. This paper deals with the conformational study in solution of leptocarpin, a germacranolide with the heliangolide structure isolated from leptocarpha rivularis d. Island of sainte marie, off the east coast of madagascar.
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