Files are available under licenses specified on their description page. Nursery grown seedlings from four provenances in burkina faso were used for the study. Khayanolides from african mahogany khaya senegalensis. Fao considers it endangered in northern parts of its range and populations to be in danger of genetic erosion in west africa and in need of in situ conservation fao, 1986. Khaya species are tall, emergent trees of rainforest, riparian forest and. C, and eight known limonoids have been isolated from stems of khaya senegalensis. The aim of this study was to determine the content of phenolic and flavonoid compounds, to evaluate the antioxidant activity and to raise the nutritional interest of extracts from leaves of khaya senegalensis. Objective to study the phytochemical screening and antibacterial activity of the stem bark extracts of khaya senegalensis k. Khaya senegalensis in the germplasm resources information network grin, u. African mahogany khaya senegalensis semantic scholar pdfs. Creative commons attributionnoncommercialsharealike 3. In several countries in africa khaya senegalensis wood is very important. West african plants a photo guide khaya senegalensis. In plantations khaya senegalensis suffers seriously from hypsipyla robusta shoot borers that kill the main stem of young trees, causing excessive branching and contributing to.
Limonoids and triterpenoids from khaya senegalensis. African mahogany, dry zone mahogany, gambia mahoganyreferences. Khaya senegalensis is highly reported for its numerous medicinal uses arbonnier, 2004, it has been known to be used ethnomedicinally as a remedy for several human and animal ailments deen and sadiq, 2002. Khaya senegalensis, trypanosoma evansi, trypanocidal, in vitro cytotoxicity introduction trypanosomosis, an important blood protozoan zoonotic disease, is caused by flagellate parasites of the genus trypanosoma. This page was last edited on 22 december 2019, at 05. Four previously reported limonoids isolated from the same plant species need revision from khayanolides 6, 7 to 1, 2 and to phragmalin derivatives 8, 9 to 3, 4 respectively. Khaya senegalensis is an important tree species for timber production, native to west africa, but mahogany. It prefers moist or wet soil and can tolerate drought. Phytochimic study, antioxidant activity and nutritional. Khaya senegalensis, also known as african dry zone mahogany or mubaba in the shona language, is also used. Because of it s beautiful grain and rich reddish colur, the wood is valued for joinery, furniture making, dugout canoes, household implements and drums. Comparison of growth responses of khaya senegalensis seedlings.
One of the first places mahogany wood was discovered was in belize, however it soon became known that the mahogany tree was indigenous to the americas. Seed length and weight significantly varied among provenances and. Pdf khaya senegalensiscurrent use from its natural range and its. All structured data from the file and property namespaces is available under the creative commons cc0 license. Khaya senegalensis commonly called african mohagany in english, homra in arabic, dalehi in fulani, madaci in hausa, ono in igbo and ogonowo in yoruba, belongs to the family, meliaceae, itis a tall plant of 1530 meters in height and about 1 meter in diameter. Useful tropical plants database 2014 by ken fern, web interface by ajna fern with help from richard morris. One of the challenges facing farmers today is to ensure adequate integration of natural resources into animal feeds. The cumulative area of industrial plantations of khaya senegalensis established across northern australia since 2006. The development of clonal propagation could improve plantation establishment, which is currently impeded by mahogany shoot borer. Matouke2 1 federal science and technical college, kafanchan, kaduna state. Khaya senegalensis dryzone mahogany pfaf plant database. Khayseneganins ah, limonoids from khaya senegalensis.
View khaya senegalensis research papers on academia. The methodological approach consisted of carrying out extractions with distilled water, ethanol, methanol and butanol. Pdf the fifth article from usman dukku in this series, which looks at plant bee relationships and at those species which offer important sources of. Asian journal of pharmaceutical analysis and medicinal. The aim of the present study is to evaluate the effects of khaya senegalensis ks leaves on the performance of growing male rabbits, carcass traits and biochemical as well as hematological parameters. History, status and suggested collaborative strategy for furthering the. Meliaceae african mahogany benin mahogany senegal mahogany other common names. Pdf history, impact of soil types on stand structure and. Antifeeding activity of limonoids from khaya senegalensis. Lee paper presented to the australian forest growers conference, gympie, 2012.
Keywords azadirachta indica oils, khaya senegalensis oils, synergistic and antagonistic antimicrobial activities. Pdf bioactivity, therapeutic utility and toxicological risks of khaya. Khaya senegalensis a taxonomic species within the family meliaceae senegal mahogany, used both for its wood and, traditionally, for the medicinal properties of its bark synonyms species. To examine its potential for clonal propagation, the effects of cutting length, leaf area, stockplant maturation, auxin, and smoke solution treatments were investigated. Within and betweenprovenance variations in seed and seedling traits of khaya senegalensis a. Methods the plant components were extracted using methanol, ethanol and water. Khaya senegalensis is a multipurpose african timber species. One should not drive a vehicle if using the medicine makes you drowsy, dizzy or lowers your bloodpressure extensively. This tree from central and west africa, has a smooth greybarked trunk, and it can be distinguished from swietenia by the different shaped leaves and the smaller globular fruit. Department of agriculture agricultural research service.
Eight new limonoids, khayseneganins ah 18, and 31 known limonoids were isolated from the leaves and twigs of khaya senegalensis. It can grow in semishade light woodland or no shade. Juss meliaceae commonly known as african mahogany, is a popular medicinal plant among the nupes and yorubas in nigeria. A department of biochemistry, umaru musa yaradua university, katsina, nigeria abstract the aim of this work was to investigate and compare the phytochemical screening and antimicrobial activities of different crude extracts from leaves, barks and roots of khaya senegalensis. Pharmacists also advise patients not to drink alcohol with medicines as alcohol. The stem bark aqueous extract is traditionally used by yoruba and nupe tribes to treat malaria, jaundice, edema and headache. Text is available under the creative commons attributionsharealike license. Received 9 july 2015 received in revised form 28 october 2015 accepted 6 november 2015 available online 26 november 2015 keywords. History, impact of soil types on stand structure and growth of the dry zone mahogany khaya senegalensis desr. However, synergistic study showed that the extracts when combined give a higher antimicrobial activity than the crude extracts alone. Effects of khaya senegalensis leaves on performance.
The studies revealed significant variability in all traits evaluated. Fifteen b,dsecolimonoids of mexicanolide, rearranged phragmalin, methyl angolensate and glycoside types have been isolated from ether and acetone extracts of the stem bark of khaya senegalensis desr. African mahogany khaya senegalensis plantations in. Khaya senegalensis trunk damaged by bark harvesting. The structures and absolute configurations of five khayanolides 15, isolated from khaya senegalensis were determined by spectroscopic methods including ms, nmr and xray crystallography. Reprint pdf 653kb history, impact of soil types on stand structure and growth of the dry zone mahogany khaya senegalensis desr. In africa, the estimated losses as a result of the disease in agricultural production. Khaya senegalensis is an evergreen tree with a widely spreading, rounded crown. The khaya senegalensis breeding program of the northern territory and queensland. Khaya senegalensis is a species of tree in the meliaceae family that is native to africa.
In vitro propagation of the african mahogany khaya. Dialairi ivory coast, ghana, akuk, ogwango nigeria, eri kiree uganda, bandoro sudan. Miscibility studies of cashew gum and khaya gum exudates. If you experience drowsiness, dizziness, hypotension or a headache as sideeffects when using khaya senegalensis medicine then it may not be safe to drive a vehicle or operate heavy machinery. We assessed effects of the plant growth regulators, benzyladenine, kinetin, naphthalene acetic acid and gibberellic acid, on shoot. Pdf studies on the antibacterial activity of khaya. Usually evergreen, the tree can be deciduous in drier climates. Pharmacists also advise patients not to drink alcohol with. The phytochemical screening of the stem bark extracts were carried out using a. Khaya senegalensis was introduced to sri lanka about 30 years ago and in the past. Mahogany is a type of wood that is simply described as having straightgrains and a reddishbrown hue of timber.
African mahogany khaya senegalensis plantations in australia status, needs and progress d. The antifeedant activity of the isolated compounds was assessed by conventional choice leaf disc method on the thirdinstar larvae of spodoptera littoralis boisd. While small chiefdoms were previously present in the area, according to the kano chronicle, bagauda, a grandson of the mythical hero bayajidda. Tree information on growing, planting, pruning, maintenance, ripening, taste, pick or bonsai tips. The timber of khaya is called african mahogany, with properties generally regarded as the closest to genuine mahogany. The structures of these compounds were elucidated on. Growth of the dry zone mahogany khaya senegalensis. It has a bole that is up to 1 metre in diameter, unbranched for 8 16 metres, the buttresses are neither prominent nor absent. Common names include african mahogany, dry zone mahogany, gambia mahogany, khaya wood, senegal mahogany, cailcedrat, acajou, djalla, and bois rouge. Phytochemical analysis and antimicrobial activity of.
Albizzia lebbeck is a deciduous tree with compoundleaves, flat oblong fruits, round cream coloured seeds, grows wild. The structures of the new compounds were elucidated by 2dnmr spectroscopy and mass spectrometry, and the absolute configuration of 1 was determined by the cd exciton chirality method. Khaya ivorensis khaya senegalensis natural durability fungal decay termite damage abstract african mahogany khaya spp. A protocol was developed for shoot proliferation and plantlet formation of khaya senegalensis, an important medicinal and timber plantation species introduced to australia and southern asia from western and central africa. There are no related plants for species khaya senegalensis. Khaya senegalensis is a deciduous tree growing to 25 m 82ft by 20 m 65ft at a fast rate. History, impact of soil types on stand structure and. But mainly how to grow a african mahogany share your advice or ask questions on our forum. Khaya senegalensis trees planted along streets often grow faster than in those in forest plantations, but pruning is necessary to obtain a nice bole.
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