The first identification of the woodinhabiting fungus pleurotus tuber regium from madagascar with a combined approach based on morphological and molecular analyses. Pdf hepatoprotective efficacy of medicinal mushroom. Chemical composition and in vitro digestibility of rice. The economic importance to the nigerian people, particularly in traditional medicine, is discussed. Pleurotus tuberregium is a tropical mushroom whose sclerotium is consumed like many other edible mushrooms for their nutritional value, medicinal properties and for their taste and aroma. The nutritive value of rice straw treated with three different edible mushrooms. The aim of the study was to determine the composition of the sclerotium of pleurotus tuberregium and to analyze its nutritional potential. Oysters grow rapidly and can outcompete most contaminants. Pleurotus tuber regium, the king tuber mushroom, is an edible gilled fungus native to the tropics, including africa, asia, and australasia. Studies on enzyme activities of pleurotus tuberregium. Nutrient and antinutrient distribution of edible mushroom. The highest core and peripheral temperatures were 68 and 48. Mushrooms, such as pleurotus tuberregium, are often used as foods and as folk medicines.
Cultivation of the mushroom pleurotus tuber regium using. Investigations were carried out on the cellulase, amylase, lipase, peroxidase, proteinase, catalase, poly. Development and evaluation of pleurotus tuberregiumcornstarch composite as a direct compression multifunctional excipient. The resulting sclerotia were viable and had features similar to those found in the natural habitat. The aim of this study therefore is to evaluate the improvement of the reproductive and testicular injuries mediated by ccl4 by the use of a wild edible mushroom, p. The protein contents of the mushrooms grown in the respective dry residues were 16. Fatty acids, organic solvents and surfactants were investigated for their stimulatory effects on the growth of fungal mycelium and production of exopolysaccharide eps by submerged fermentation of an edible mushroom pleurotus tuber regium. Pleurotus tuberregium fr sing, an edible basidiomycete, occurs in both tropical and subtropical regions of the world 1, 2. Pleurotus tuber regium is a tropical sclerotial mushroom which has been gaining some interest in the u.
Explants exposure to ethanol for more than two minutes resulted in 100% mortality in p. The sorption of the metals may be due to complexation of the metal ions by the pleurotus tuber regium. In nigeria, the mushroom is particularly harvested in the wild and consumed in the southern parts of nigeria for its delicacy and high protein content. Pleurotus tuberregium explants culture d clean auricularia auriculajudae explants culture furthermore the cytotoxicity of ethanol is evident from the results in table 2. Various farm wastes were investigated as substrates for pleurotus tuberregium. They can grow on most hardwoods as well as straw and many agricultural wastes. Preliminary investigation into the use of pleurotus tuber regium powder as a tablet disintegrant. Biodegradation of nigerian wood wastes by pleurotus tuberregium fries singer s. Pleurotus tuber regium fr sing, is an edible mushroom of the class basidiomycetes.
Cell wall structure of mushroom sclerotium pleurotus tuber regium. It occurs in both tropical and sub tropical regions of the world zoberi, 1972, 1973. The outer brown portion of the sclerotium is peeled off, and the inner white portion cut into small pieces, ground, and used in making soup. Pleurotus tuber regium contains polysaccharides that are responsible for pharmacological actions, and medicinal effects of these polysaccharides have not yet been studied in diabetic rats. Culture of pleurotus tuberregiumfr sing and auricularia. Pdf phytochemical composition of pleurotus tuber regium and. Pleurotus tuberregium mushrooms in the diet of rats. Edible mushroom pleurotus tuber regium, separated into cap, stalk, and tuber, was analysed. Development and evaluation of pleurotus tuber regium cornstarch composite as a direct compression multifunctional excipient. Pleurotus tuber regium is of great economic importance in all parts of nigeria. Singer 1951 is a unique sclerotiumforming edible and medicinal mushroom. Studies have been carried out on pleurotus tuber regium, a tropical sclerotial basidiomycete obtained in nigeria. Pdf various farm wastes were investigated as substrates for pleurotus tuberregium.
Bacteria associated with compost used for cultivation of. Pdf the first identification of the woodinhabiting. Both the sclerotium and the mushrooms growing from it are eaten. Pdf preliminary investigation into the use of pleurotus. Pleurotus tuberregium fries singer is a tropical sclerotal mushroom, which has a unique ability to produce sclerotium.
Singer is a medicinal mushroom traditionally used for curing various diseases. These studies have shown that pleurotus tuberregium and leucaena leucocephala are capable of bioremediating spent engine oil polluted soil although. Cell wall structure of mushroom sclerotium pleurotus. Pleurotus tuberregium, king tuber mushroom, postharvest storage, nutritional constituents, in vitro antioxidant activity, gcms profile introduction king tuber mushroom pleurotus tuberregium is a widely known edible fungi in the tropics. Interestingly, both the sclerotium and mushroom are edible and are often used for curing various ailments. Though wildly obtained and consumed, the cultivation of pleurotus tuberregium has been considered most primitive in. The objective of this study was to determine the relative nutritive qualities and phytochemicals present in pleurotus tuber regium as affected by the three different substrates and its. Materials and methods collection and treatment of sample the balls of the sclerotium of pleurotus tuberregium were purchased from oba market in akure and identified at the taxonomy unit of the department of plant science, ekiti state university. Aug 30, 2012 pleurotus tuber regium, a popular edible mushroom, has been considered as a profound health promoting mushroom in traditional chinese medicine 1, 2. The highest mushroom harvest fresh weight was obtained from oil palm fruit. Pdf cultivation of pleurotus tuberregium fr sing on various farm. The aim of the present study was to perform chemical screening and analyze hepatoprotective efficacy of p. Pleurotus tuber regium explants culture d clean auricularia auriculajudae explants culture furthermore the cytotoxicity of ethanol is evident from the results in table 2. Pleurotus tuberregium contains polysaccharides that are responsible for pharmacological actions, and medicinal effects of these polysaccharides have not yet been studied in diabetic rats.
Pleurotus tuberregium on the nutrient composition and. A tuberous sclerotium of the mushroompleurotus tuber regium was analysed for proximate, amino acid and mineral content. Biodegradation of nigerian wood wastes by pleurotus tuber. The sorption of the metals may be due to complexation of the metal ions by the pleurotus tuberregium. Pleurotus tuberregium, a popular edible mushroom, has been considered as a profound health promoting mushroom in traditional chinese medicine 1, 2. It is notable in the development of a large, longlasting underground sclerotium, which resembles a small coconut. The phytochemical, mineral and nutrient compositions of pleurotus tuber regium as well as the effect of its dietary incorporation on body organ weight and total. Pdf antioxidant and antiinflammatory activity of pleurotus tuber. It has been shown to be a distinct species incapable of crossbreeding and phylogenetically removed from other species of pleurotus p. Growth factors and cultivation of pleurotus tuberregium on selected.
Solvent based variations in yield of bioactive extracts. Pdf mushrooms have been used as traditional source of nutritional food and medicinal suppliments. Pleurotus tuber regium, a popular edible mushroom, has been considered as a profound health promoting mushroom in traditional chinese medicine 1, 2. Medicinal mushrooms are known to contain several phytoactive constituents which are mainly secondary metabolites like flavonoids, tannins, alkaloids, phenols etc. Fatty acids, organic solvents and surfactants were investigated for their stimulatory effects on the growth of fungal mycelium and production of exopolysaccharide eps by submerged fermentation of an edible mushroom pleurotus tuberregium. Fractionation and characterization of soluble cell wall polysaccharides. Oyster mushrooms pleurotus ostreatus are one of the easiest species to grow. Introduction agricultural byproducts such as rice straw, groundnut haulms, maize stover, oil palm fronds, and sugarcane bagasse, are abundantly available in many countries. Resources for mushroom growers oyster mushroom cultivation. Addition of edible mushroom pleurotus tuberregium on the nutrient composition and organoleptic properties of wheatmushroom chinchin ojinnaka 1, m. Our results show that pleurotus in nigeria both the sclerotium and the mushroom tuberregium fr sclerotia. Biological activity of extracellular and intracellular.
Pleurotus tuberregium is a tropical sclerotial mushroom which has been gaining some interest in the u. Cultivation of pleurotus tuberregium fr sing on various farm wastes j. Pdf cultivation of pleurotus tuberregium fr sing on. Addition of edible mushroom pleurotus tuber regium on the nutrient composition and organoleptic properties of wheatmushroom chinchin ojinnaka 1, m. Pleurotus tuberregium is a saprotrophic fungus that grows naturally on hard and soft woods, it. Being sclerotial, the mushroom produces a sclerotium, or underground tuber, as well as a mushroom. Omon isikhuemhen has worked on bringing these mushrooms to light, documenting cultural use and carrying out phylogenetic studies. Potassium, calcium, magnesium, sodium and phosphorous were present. Digestibility and carcass characteristics of west african. Pleurotus tuberregium is an edible mushroom belonging to the family pleurotaceae.
Assessment of its chemical composition shows mean carbohydrate 63. Cultivation of pleurotus tuberregium fr sing on various. This sclerotium of wolfiporia extensa called tuckahoe, or indian bread was used by native americans as a source of food in times of scarcity. These studies have shown that pleurotus tuber regium and leucaena leucocephala are capable of bioremediating spent engine oil polluted soil although. It is a common mushroom in the southern part of nigeria and forms large spherical to ovoid, subterranean sclerotia which sometimes measure up to 30 cm in. The amino acid and mineral profile of pleurotus tuberregium sclerotia, was. Both the sclerotium and the fruit bodies are edible. The incidence of male infertility arising from male sexual dysfunction is high especially in the sub saharan africa. E and elevation 16 located in the rivers state university of science and technology, nkpolu, port harcourt, in. Edible mushroom pleurotus tuberregium, separated into cap, stalk, and tuber, was analysed.
Pleurotus tuberregium is a tuberous wild mushroom species, highly expensive, nutritious, very rich in proteins and known to possess medicinal values. The study has shown fairly high concentrations of potassium and magnesium as major minerals with values of 60. Pdf various farm wastes were investigated as substrates for pleurotus tuber regium. We examined the antidiabetic, antihyperlipidemic, and antioxidant properties of p. Measurement of organ weights at the end of the th week post treatment, the animals were sacrificed under ether anesthesia and the right testes removed, carefully trimmed of fats and rinsed with ice cold saline before being weighed using a digital. Cystine, methionine, serine, arginine and lysine were exceptionally low. Major minerals and micronutrients content of the p. Pleurotus tuberregium is of great economic importance in all parts of nigeria. Okogb o department of bota ny, university of benin, pmb 1154, benin city, nige ria. The effects of different substrates on sporophore yield.
It is a wooddecay fungus but has a terrestrial growth habit. Pdf chemical profile of pleurotus tuberregium fr sings sclerotia. More than 90% of the metals were removed according to this study. Development and evaluation of pleurotus tuberregium. The sclerotium had low protein, ether extract, amino acid and mineral content compared to the pileus of the same mushroom and similar mushrooms. Hepatoprotective efficacy of medicinal mushroom pleurotus. The aim of the study was to determine the composition of the sclerotium of pleurotus tuber regium and to analyze its nutritional potential. The macronutrient profile g100 g showed crude protein ranging from 4. Previous studies have focused on the antimicrobial and antioxidant activity of the extracellular polysaccharide eps from wild p.
The king tuber mushroom is a member of the pleurotus group but the mushroom grows from a tuber. Use of stimulatory agents to enhance the production of. Jul 15, 2017 the incidence of male infertility arising from male sexual dysfunction is high especially in the sub saharan africa. Adegeye b a department of botany and microbiology, university of ibadan, ibadan, nigeria b department of forest resources management, university of ibadan, ibadan, nigeria received 27 october 2006. Pleurotus tuberregium indicated by various authors and researchers, there is still less awareness on its importance. Pleurotus ostreatus por, pleurotus pulmonarius ppr and pleurotus tuberregium ptr were studied through analysis of their proximate composition, mineral composition, crude fibre fractions and in vitro digestibility. Materials and methods collection and treatment of sample the balls of the sclerotium of pleurotus tuber regium were purchased from oba market in akure and identified at the taxonomy unit of the department of plant science, ekiti state university. C, respectively, while the lowest temperature was 32. Author links open overlay panel lei chen a b wenwen xu a b shaoling lin a b peter c. Control of pathogenic fungi on pleurotus tuberregium cultures oyelakin ao1. The major use of the tuber in nigeria is as a thickening agent in soups and sometimes it is mixed with melon or peanut and boiled or baked to form a cake. Some local materials were screened for the cultivation of the mushroom, pleurotus tuber regium fr singer.
African foods may hold promise to reverse this trend. There is a long cultural history of use for food and medicine in nigeria. Control of pathogenic fungi on pleurotus tuber regium cultures. Control of pathogenic fungi on pleurotus tuber regium cultures oyelakin ao1.
Pleurotus ostreatus por, pleurotus pulmonarius ppr and pleurotus tuber regium ptr were studied through analysis of their proximate composition, mineral composition, crude fibre fractions and in vitro digestibility. Nutrient and antinutrient distribution of edible mushroom, pleurotus. Physiochemical analysis and centesimal composition of. Onuoha, cultivation of the mushroom pleurotus tuber regium using some local substrates amine the effects of using different easily available local substrates in the cultivation of pleurotus tuber regium. Studies have been carried out on pleurotus tuberregium, a tropical sclerotial basidiomycete obtained in nigeria. Pdf control of pathogenic fungi on pleurotus tuber. In the present study among all the will be studied phytochemicals mehtanolic extract of pleurotus tuberregium contains alkaloids 30. Effect of substrates of spawn production on mycelial. Cultivation of pleurotus tuber regium fr sing on various farm wastes j. Pdf cultivation of pleurotus tuberregium fr sing on various. Jul 27, 2019 the king tuber mushroom is a member of the pleurotus group but the mushroom grows from a tuber. In this form it may replace melon in okro or vegetable soup. Pleurotus tuberregium, known as king tuber mushroom, is an edible mushroom that has been used materials and methods in chinese medicine to treat several human ailments 4, 20, 31.
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