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PubMed2004

[Effect of ear mushroom (Auricularia) on functional constipation].

BACKGROUND/AIMS: Constipation is one of the most prevalent gastrointestinal complaints. High fiber intake is recommended as an initial therapy for constipation. Ear mushroom is known to have higher fiber contents about 50% than other mushroom. The aim of this study was to evaluate the effect of fiber supplements using ear mushrooms on the improvement of functional constipation. METHODS: We conducted a double blind study with 3 groups (placebo, ear mushrooms alone, and ear mushrooms with additives including cascara sagrada, etc.), which were randomly assigned out of 34 patients with functional constipation, defined by modified Rome II criteria. Number of bowel movement, straining, sense of incomplete evacuation, stool consistency, satisfactory relief, abdominal pain/discomfort and colon transit time were evaluated and analyzed before, during and after the treatment. RESULTS: Both ear mushrooms alone and ear mushrooms with additives significantly improved number of bowel movement, straining, sense of incomplete evacuation, stool consistency and satisfactory relief in patients with functional chronic constipation (p<0.05). Although the use of ear mushrooms with additives was found to be more effective on the improvement of constipation than ear mushrooms alone, it may induce abdominal discomfort or pain. CONCLUSIONS: In patients with functional constipation, fiber supplements using ear mushrooms significantly improved constipation related symptoms without serious side effect.

Adult↗
PubMed1999

Therapeutic effects of substances occurring in higher Basidiomycetes mushrooms: a modern perspective.

This review highlights some of the recently isolated and identified substances of higher Basidiomycetes mushrooms origin that express promising antitumor, immune modulating, cardiovascular and hypercholesterolemia, antiviral, antibacterial, and antiparasitic effects. Medicinal mushrooms have a long history of use in folk medicine. In particular, mushrooms useful against cancers of the stomach, esophagus, lungs, etc. are known in China, Russia, Japan, Korea, as well as the U.S.A. and Canada. There are about 200 species of mushrooms that have been found to markedly inhibit the growth of different kinds of tumors. Searching for new antitumor and other medicinal substances from mushrooms and to study the medicinal value of these mushrooms have become a matter of great significance. However, most of the mushroom origin antitumor substances have not been clearly defined. Several antitumor polysaccharides such as hetero-beta-glucans and their protein complexes (e.g., xyloglucans and acidic beta-glucan-containing uronic acid), as well as dietary fibers, lectins, and terpenoids have been isolated from medicinal mushrooms. In Japan, Russia, China, and the U.S.A. several different polysaccharide antitumor agents have been developed from the fruiting body, mycelia, and culture medium of various medicinal mushrooms (Lentinus edodes, Ganoderma lucidum, Schizophyllum commune, Trametes versicolor, Inonotus obliquus, and Flammulina velutipes). Both cellular components and secondary metabolites of a large number of mushrooms have been shown to effect the immune system of the host and therefore could be used to treat a variety of disease states.

Anti-Infective Agents↗
PubMed2002

Segregation of visual input to the mushroom bodies in the honeybee (Apis mellifera).

Insect mushroom bodies are brain regions that receive multisensory input and are thought to play an important role in learning and memory. In most neopteran insects, the mushroom bodies receive direct olfactory input. In addition, the calyces of Hymenoptera receive substantial direct input from the optic lobes. We describe visual inputs to the calyces of the mushroom bodies of the honeybee Apis mellifera, the neurons' dendritic fields in the optic lobes, the medulla and lobula, and the organization of their terminals in the calyces. Medulla neurons terminate in the collar region of the calyx, where they segregate into five layers that receive alternating input from the dorsal or ventral medulla, respectively. A sixth, innermost layer of the collar receives input from lobula neurons. In the basal ring region of the calyx, medulla neuron terminals are restricted to a small, distal part. Lobula neurons are more prominent in the basal ring, where they terminate in its outer half. Although the collar and basal ring layers generally receive segregated input from both optic neuropils, some overlap occurs at the borders of the layers. At least three different types of mushroom body input neurons originate from the medulla: (a) neurons with narrow dendritic fields mainly restricted to the vicinity of the medulla's serpentine layer and found throughout the medulla; (b) neurons restricted to the ventral half of the medulla and featuring long columnar dendritic branches in the outer medulla; and (c) a group of neurons whose dendrites are restricted to the most ventral part of the medulla and whose axons form the anterior inferior optic tract. Most medulla neurons (groups a and b) send their axons via the anterior superior optic tract to the mushroom bodies. Neurons connecting the lobula with the mushroom bodies have their dendrites in a defined dorsal part of the lobula. Their axons form a third tract to the mushroom bodies, here referred to as the lobula tract. Our findings match the anatomy of intrinsic mushroom body neurons (Strausfeld, 2002) and together indicate that the mushroom bodies may be composed of many more functional subsystems than previously suggested.

Animals↗
PubMed2004

Characterization of phytase activity from cultivated edible mushrooms and their production substrates.

Phytase is used commercially to maximize phytic acid degradation and to decrease phosphorus levels in poultry and swine manure. To determine phytase content in edible mushrooms, basidiomata of Agaricus bisporus and three specialty mushrooms (Grifola frondosa, Lentinula edodes, and Pleurotus cornucopiae) and spent mushroom substrate (SMS) were surveyed. Enzyme activity ranged from 0.046 to 0.074 unit/g of tissue for four A. bisporus types (closed and open whites and closed and open browns) grown at The Pennsylvania State University's Mushroom Test Demonstration Facility (MTDF). The addition of various nutrient supplements to phase II mushroom production substrate did not alter phytase activity in A. bisporus. Portabella mushrooms (open brown) obtained from a commercial farm had significantly higher levels of phytase activity (0.211 unit/g of tissue) compared to A. bisporus grown at the MTDF. Of the specialty mushrooms surveyed, maitake (G. frondosa) had 20% higher phytase activity (0.287 unit/g of tissue) than commercial portabella mushrooms. The yellow oyster mushroom (P. cornucopiae) ranked second in level of phytase activity (0.213 unit/g of tissue). Shiitake (L. edodes) contained the least amount of phytase in basidiomata (0.107 unit/g of tissue). Post-crop steam treatment (60 degrees C, 24 h) of SMS reduced phytase activity from 0.074 to 0.018 unit/g. Phytase was partially purified from commercially grown portabella basidiomata 314-fold with an estimated molecular mass of 531 kDa by gel filtration chromatography. The optimum pH for activity was 5.5, but appreciable phytase activity was observed over the range of pH 5.0-8.0. Partially purified A. bisporus phytase was inactivated following a 10-min incubation at > or =60 degrees C.

6-Phytase↗
PubMed1997

Renal failure caused by mushroom poisoning.

BACKGROUND: In the Pacific Northwest region of the US and in southwestern British Columbia, Canada, isolated cases of renal failure have occurred following ingestion of wild mushrooms. We report four cases in which toxic mushrooms were mistaken for the edible pine mushroom or matsutake (Tricholoma magnivelare). CASE REPORTS: Gastrointestinal symptoms started five to eight hours after ingestion and continued for several days. Three of the four patients were found to be in renal failure when they presented to the emergency department 5-6 days post ingestion. One patient, an elderly diabetic, had renal dysfunction the day following ingestion. All patients received hemodialysis and supportive care and regained renal function. DISCUSSION: Symptoms and time of onset are similar to those reported in previous cases of Amanita smithiana poisoning. This suggests that the mushroom involved in these cases may also be Amanita smithiana which contains nephrotoxic compounds. In one of the cases, stem ends of the mushrooms were available for examination. Cellular elements conforming to those described as being present in the species Amanita smithiana were seen on light microscopy. CONCLUSION: Mushroom field guides warn against mistaking Amanita smithiana for pine mushrooms. They are similar in size, color and habitat. It appears possible that Amanita smithiana mushrooms were eaten instead of pine mushrooms in these cases.

Acute Kidney Injury↗
PubMedDate not supplied

Clinical approach to toxic mushroom ingestion.

BACKGROUND: This review provides the physician with a clinical approach to the diagnosis and management of toxic mushroom ingestion. It reviews the recent literature concerning proper management of seven clinical profiles. METHODS: Using the key words "mushroom poisoning," "mushroom toxicology," "mycetism," "hallucinogenic mushroom ingestion," and "Amanita poisoning," the MEDLINE files were searched for articles pertinent to the practicing physician. Much of the original data were gathered at the Aspen Mushroom Conference held each summer throughout the 1970s at Aspen, Colorado, sponsored by Beth Israel Hospital and the Rocky Mountain Poison Center. Texts related to poisonous plants and specific writings concerning mushroom poisoning were also consulted; many of these texts are now out of print. RESULTS AND CONCLUSIONS: The 100 or so toxic mushroom groups can be divided into seven clinical profiles, each of which requires a specific clinical approach. Two of the seven groups (amanitin and gyromitrin) have a delay in onset of symptoms of up to 6 hours following ingestion and provide essentially all the major mobility and mortality associated with toxic mushroom ingestion. These two groups are the major focus of this review. Treatment of the potential mushroom ingestion, as well as guidelines for asking clinical questions, are included. These questions serve as a form of algorithm to assist the clinician in arriving at the correct toxic group.

Algorithms↗
PubMed2006

Reversal of the TPA-induced inhibition of gap junctional intercellular communication by Chaga mushroom (Inonotus obliquus) extracts: effects on MAP kinases.

Chaga mushroom (Inonotus obliquus) has continued to receive attention as a folk medicine with indications for the treatment of cancers and digestive diseases. The anticarcinogenic effect of Chaga mushroom extract was investigated using a model system of gap junctional intercellular communication (GJIC) in WB-F344 normal rat liver epithelial cells. The cells were pre-incubated with Chaga mushroom extracts (5, 10, 20 microg/ml) for 24 h and this was followed by co-treatment with Chaga mushroom extracts and TPA (12-O-tetradecanoylphorbol-13-acetate, 10 ng/ml) for 1 h. The inhibition of GJIC by TPA (12-O-tetradecanoylphorbol-13-acetate), promoter of cancer, was prevented with treatment of Chaga mushroom extracts. Similarly, the increased phosphorylated ERK1/2 and p38 protein kinases were markedly reduced in Chaga mushroom extracts-treated cells. There was no change in the JNK kinase protein level, suggesting that Chaga mushroom extracts could only block the activation of ERK1/2 and p38 MAP kinase. The Chaga mushroom extracts further prevented the inhibition of GJIC through the blocking of Cx43 phosphorylation. Indeed cell-to-cell communication through gap junctional channels is a critical factor in the life and death balance of cells because GJIC has an important function in maintaining tissue homeostasis through the regulation of cell growth, differentiation, apoptosis and adaptive functions of differentiated cells. Thus Chaga mushroom may act as a natural anticancer product by preventing the inhibition of GJIC through the inactivation of ERK1/2 and p38 MAP kinase.

Agaricales↗
PubMed1998

Plasma and hepatic cholesterol levels and fecal neutral sterol excretion are altered in hamsters fed straw mushroom diets.

The effect of the fruiting body and mycelium of Volvariella volvacea (straw mushroom) on the concentrations of plasma lipids, liver cholesterol, fecal neutral sterol and bile acid excretions was investigated in male Golden Syrian hamsters. The hamsters were fed a purified hypercholesterolemic diet (0.1% cholesterol, 10% fat) for 4 wk to elevate plasma lipid concentrations. Twelve hamsters with elevated plasma total cholesterol were randomly assigned to each treatment group: control (5% cellulose), mushroom fruiting body (5%) and mushroom mycelium (5%). After 4 wk of mushroom diet consumption, the plasma total cholesterol, HDL cholesterol, and combined VLDL + LDL cholesterol concentrations (mmol/L) were significantly lower than control in the group fed the fruiting body-diet (40, 38 and 43%, respectively) (P < 0.05). The liver cholesterol levels were significantly lower in both the mushroom fruiting body- and the mycelium-fed groups (28 and 21% in terms of concentration; 39 and 30% in terms of total content, respectively) (P < 0.05) than that in the control group. Fecal neutral sterol excretion in the mushroom fruiting body- and mycelium-fed groups was significantly higher (81 and 74%, respectively) (P < 0.05) than that in the control group. Although no significant differences (P > 0.05) in the excretion of fecal bile acids were observed among groups fed the mushroom diets and the control diet, the mushroom fruiting body diet-fed hamsters apparently had less bacterial degradation of cholic acid as indicated by a significantly greater proportion (P < 0.05) of fecal cholic acid than in controls. They also had a significantly lower proportion of fecal deoxycholic acid (P < 0.05). This study suggests that the fruiting body of the straw mushroom lowers elevated plasma cholesterol in hypercholesterolemic hamsters, whereas the mycelium does not.

Animals↗
PubMed2006

Process and dynamics of traditional selling wild edible mushrooms in tropical Mexico.

BACKGROUND: More than twelve temperate-inhabitant Mexican ethnic groups are considered to be mycophilic and to have extensive traditional mycological knowledge. In contrast, inhabitants of tropical lands have been studied only superficially and their mycological knowledge is less well known. In this paper, we report the results of an ethnomycological research in markets of a wide area of the Mexican tropics. Our aims were to describe the dynamics related to the traditional selling process of wild mushrooms and to determine the tendencies of informants toward mushrooms (mycophily vs. mycophoby). METHODS: We visited 25 markets of 12 different settlements in the states of Oaxaca, Tabasco and Veracruz and collected information by participant observation as well as by 291 non-structured and semi-structured interviews. RESULTS: Mushroom selling was observed in four towns in Oaxaca and in two in Tabasco. Women represented 81.82% of sellers, while indigenous people (Chinantecos, Chontales, Ch'oles and Zoques) comprised 68.18%. Mushroom commercialization took place in secondary mobile markets and only in peasant stands. Mushroom collectors gather the resource in places with secondary vegetation, farmed areas and cattle fields. Because of land tenure restrictions mushroom sellers did not normally collect mushrooms themselves. In Oaxaca, we observed economic dynamics not based on capitalism, such as exchange, reciprocity and barter. CONCLUSION: The sale of some wild edible mushrooms, the large amounts of commercialization of Schizophyllum commune, the complicated intermediary process, as well as the insertion of mushrooms into different informal economic practices are all evidence of an existent mycophily in a sector of the population of this region of the Mexican tropics. Among our informants, urban mestizo people were mycophobic, rural mestizo people were non-mycophilic and indigenous people were true mycophilic.

Agaricales↗
PubMedDate not supplied

Effect of oyster mushroom (Pleurotus ostreatus) on pathological changes in dimethylhydrazine-induced rat colon cancer.

The effect of 5% of dried oyster mushroom (Pleurotus ostreatus) in the diet on the dimethylhydrazine (DMH)-induced colon carcinogenesis was studied in male Wistar rats. DMH in a dose of 20 mg/kg of body weight was applied to animals once a week during a period of 12 weeks. Mushroom diet was applied either after treatment with DMH for another 21 weeks or during the whole experiment. Mushroom diet reduced significantly the incidence of lymphoid hyperplasia foci when mushroom was supplemented during the whole experiment. Tumour lesions could be characterized either as carcinoma in situ, or as infiltrating adenocarcinoma. Mushroom diet did not affect significantly the incidence of tumours. Nevertheless, a reduction in total number of tumours was observed in both groups of animals fed mushroom diet. A significant reduction of the number of tumour foci of the type carcinoma in situ was observed in animals fed the oyster mushroom during the whole experiment. Also these animals had the significantly lower number of aberrant crypt foci. Mushroom diet reduced the ornithine decarboxylase activity in the colon and in the liver when oyster mushroom diet was administered during the whole experiment.

Animals↗
PubMedDate not supplied

Early development of mushroom bodies in the brain of the honeybee Apis mellifera as revealed by BrdU incorporation and ablation experiments.

In the honeybee the mushroom bodies are prominent neuropil structures arranged as pairs in the dorsal protocerebrum of the brain. Each mushroom body is composed of a medial and a lateral subunit. To understand their development, the proliferation pattern of mushroom body intrinsic cells, the Kenyon cells, were examined during larval and pupal stages using the bromodeoxyuridine (BrdU) technique and chemical ablation with hydroxyurea. By larval stage 1, approximately 40 neuroblasts are located in the periphery of the protocerebrum. Many of these stem cells divide asymmetrically to produce a chain of ganglion mother cells. Kenyon cell precursors underly a different proliferation pattern. With the beginning of larval stage 3, they are arranged in two large distinct cell clusters in each side of the brain. BrdU incorporation into newly synthesized DNA and its immunohistochemical detection show high mitotic activity in these cell clusters that lasts until mid-pupal stages. The uniform diameter of cells, the homogeneous distribution of BrdU-labeled nuclei, and the presence of equally dividing cells in these clusters indicate symmetrical cell divisions of Kenyon cell precursors. Hydroxyurea applied to stage 1 larvae caused the selective ablation of mushroom bodies. Within these animals a variety of defects were observed. In the majority of brains exhibiting mushroom body defects, either one mushroom body subunit on one or on both sides, or three or four subunits (e.g., complete mushroom body ablation) were missing. In contrast, partial ablation of mushroom body subunits resulting in small Kenyon cell clusters and peduncles was observed very rarely. These findings indicate that hydroxyurea applied during larval stage 1 selectively deletes Kenyon stem cells. The results also show that each mushroom body subunit originates from a very small number of stem cells and develops independently of its neighboring subunit.

Animals↗
PubMed2003

Knowledge and utilization of edible mushrooms by local populations of the rain forest of south Cameroon.

Indigenous knowledge of edible fungi and their utilization by local populations were investigated in southern Cameroon from 1996 to 1999. Some 100 participants from the major ethnic groups, comprising Bantu farmers and Bagyeli (Pygmy) hunter-gatherers, were interviewed. Mushroom usage by 30 families, (319 persons), was monitored daily for over a year. Mushroom knowledge among both groups was extensive. Over 50 vernacular names were provided by respondents. In Bantu households, women and children, and to some extent hunters, harvest mushrooms. In contrast, the whole Bagyeli household participates. Bantu harvest mushrooms preferentially in secondary forests while Bagyeli collect them predominantly in primary forests. Mushroom consumption is low for both groups, 1.1 and 1.4 kg of fresh mushrooms per person per year, respectively, a rate that is much lower than in central and eastern Africa. The apparent discrepancy between extensive mushroom knowledge and rather infrequent mushroom consumption probably relates to the social valuation of mushrooms.

Adult↗
PubMed2002

Development of cricket mushroom bodies.

Mushroom bodies are recognized as a multimodal integrator for sensorial stimuli. The present study analyzes cricket mushroom body development from embryogenesis to adulthood. In the house cricket, Kenyon cells were born from a group of neuroblasts located at the apex of mushroom bodies. Our results demonstrate the sequential generation of Kenyon cells: The more external they are, the earlier they were produced. BrdU treatment on day 8 (57% stage) of embryonic life results, at the adult stage, in the labelling of the large Kenyon cells at the periphery of the mushroom body cortex. These cells have specific projections into the posterior calyx, the gamma lobe, and an enlargement at the inner part of the vertical lobe; they represent a part of mushroom bodies of strictly embryonic origin. The small Kenyon cells were formed from day 9 (65% stage) of the embryonic stage onward, and new interneurons are produced throughout the entire life of the insect. They send their projections into the anterior calyx and into the vertical and medial lobes. Mushroom body development of Acheta should be considered as a primitive template, and cross-taxonomic comparisons of the mushroom body development underscore the precocious origin of the gamma lobe. As a result of continuous neurogenesis, cricket mushroom bodies undergo remodeling throughout life, laying the foundation for future studies of the functional role of this developmental plasticity.

Animals↗
PubMed2004

Mushroom body volumes and visual interneurons in ants: comparison between sexes and castes.

The mushroom bodies are brain centers involved in complex behaviors such as learning and orientation. Here we examine the organization of mushroom bodies in ants, focusing on visual input. We describe the structure of visual neurons and compare the volume of brain structures involved in visual processing, especially the optic lobes and parts of the mushroom bodies receiving visual input in males, winged females, and workers of carpenter ants (Camponotus). A relatively small number of neurons connect the medulla with the mushroom bodies, and these neurons have relatively large dendritic fields in the medulla, suggesting low spatial resolution in ants. These neurons terminate in different yet overlapping strata in the mushroom bodies' collar region. While males have larger optic lobes than workers, their collar region is smaller than in females. Male ants have an additional type of medulla-mushroom body neuron with dendrites probing the distal medulla. These neurons are absent in female and worker ants. Most mushroom body Kenyon cells that are postsynaptic to visual input neurons appear to integrate visual as well as antennal input. This is in contrast to honey bees, where visual input to the mushroom bodies is more prominent and where Kenyon cells are not known to combine visual and antennal input.

Animals↗
PubMed1995

Genotoxicity of agaritine in the lacI transgenic mouse mutation assay: evaluation of the health risk of mushroom consumption.

The mutagenic potency of the common mushroom Agaricus bisporus and crude agaritine extracted from mushrooms was determined in vivo using a new mutagenesis assay with lacI transgenic mice (Big Blue mice). Pairs of female lacI mice were fed one of three diets for 15 wk: (1) fresh mushrooms 3 days/wk followed by normal lab chow for 4 days/wk; (2) freeze-dried mushrooms mixed at 25% (w/w) into powdered chow; or (3) a mushroom extract containing 30% agaritine (w/w) mixed into powdered chow. The corresponding daily doses of agaritine were 30 (averaged over the whole week), 80 and 120 mg/kg body weight, respectively. Positive control animals received N-nitrosodimethylamine, N-nitrosomethylurea or urethane, mixed into powdered chow at concentrations corresponding to daily doses of 0.3, 3 and 130 mg/kg body weight, respectively. DNA of the forestomach, kidney, liver, lung and glandular stomach of the lacI mice was examined for increases in mutant frequency (MF). Control MFs ranged from 5 x 10(-5) to 10 x 10(-5). Positive control substances induced a two- to seven-fold increase in MF in their respective target organs. Of the mushroom diets, significant effects were seen only with the crude agaritine extract: it induced an increase in MF of 100% in the kidney and 50% in the forestomach. The other two A. bisporus diets, with lower agaritine doses, showed slightly but not significantly, raised MF values in the kidney alone. Thus, agaritine was weakly genotoxic in vivo; no genotoxic activity other than that attributable to agaritine was detected in A. bisporus. Substances or processes that might influence carcinogenicity by means of non-genotoxic mechanisms (e.g. increase in fibre, or decrease in calorie intake) are not detected in the lacI assay. Using a previously derived quantitative correlation between mutagenicity in the lacI test and carcinogenic potency, the carcinogenicity of agaritine in mushrooms was estimated: the average Swiss mushroom consumption of 4 g/day would be expected to contribute a lifetime cumulative cancer risk of about two cases per 100,000 lives.

Agaricus↗
PubMed2005

Explaining Dioscorides' "double difference": why are some mushrooms poisonous, and do they signal their unprofitability?

The adaptive significance of toxins in mushrooms has received very little consideration, although it is clear that poisons have appeared (and/or disappeared) many times in mushrooms' evolutionary history. One possibility is that poisons have evolved in some mushroom species to deter their consumption by would-be fungivores before spore dispersal. If this is so, then one might expect poisonous mushrooms to signal their unprofitability in some way. In this study, we have conducted the first formal analysis of the ecological and morphological traits associated with edible and poisonous mushrooms in North America and Europe. Poisonous mushrooms do not tend to be more colorful or aggregated than edible mushrooms, but they are more likely to exhibit distinctive odors even when phylogenetic relationships are accounted for. This raises the intriguing possibility that some poisonous species of mushrooms have evolved warning odors (and perhaps tastes) to enhance avoidance learning by fungivores.

Agaricales↗
PubMed2000

[Clinical importance of the Gavornik classification of mushroom poisoning].

The lack of experience and fundamental knowledge about mycology by some mushroomers is one of the leading causes of increasing occurrence of fatal mushroom poisonings. Mushroom intoxications are caused not only by poisonous mushrooms (true primary intoxications), but under certain conditions also by edible mushrooms (secondary intoxications, false intoxications, pseudo-intoxications). Apart from fresh mushrooms intoxications may result also from preserved mushrooms (sterilized in pickles, soured, dried, used for preparation of mushroom extracts, powders, etc.), which are used as garnish. (Tab. 1, Ref. 44.)

Humans↗
PubMed2006

Emergency room cases of mushroom poisoning.

OBJECTIVE: To describe the pattern of mushroom poisoning in adults. METHODS: We investigated patients presenting at the Emergency Room, Medical School Hospital, Cumhuriyet University, Turkey between 1999 and 2003 with complaints of mushroom poisoning. They were kept under observation in the emergency unit and Anesthesia Department intensive care unit. We evaluated the demographical features of the patients, laboratory data, vital signs, and applied treatment and results. RESULTS: Seventy-eight patients aged between 19-72 (40.27 +/- 16.09) were studied, 52 were females (67%), and 26 were males (33%). It was established that 90% (70) of the patients had picked wild mushrooms, and 67.9% (53) had done so in springtime. Methods of cooking were as follows: 30 patients (38.4%) grilled the mushrooms, 28 patients (35.8%) stir fried, and 20 patients (25.6%) consumed mushrooms uncooked. Onset of symptoms was mostly (43.5%) within the first hour of consumption. The most common (42.3%) symptoms were gastrointestinal complaints. Upon examining laboratory results, 17.9% revealed variations in hematological parameters, impairment in renal functions in 6 patients (7.6%), hematuria in 10 patients (12.8%) and 15.3% had primarily elevated liver enzymes. Seventy-four patients (97%) completely recovered and were discharged. However, 2 patients (2.8%) who consumed raw mushrooms died due to acute hepatic failure. There was a 20-year-old patient at week 31 of her first pregnancy who had consumed uncooked wild mushrooms. She developed gastrointestinal symptoms and mild loss of consciousness within the first half hour. She received quadruple therapy and completely recovered. CONCLUSION: The results of the study indicated that the public, as well as the cultivators, were rather unconcerned and uneducated regarding this issue. Efforts aimed at overcoming this problem will decrease the number of mushroom poisoning cases, will help to save on treatment costs, and more importantly, reduce patient mortality.

Adult↗