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Sucrose was the best carbon source from the viewpoint of OH and DPPH radical scavenging activities, and antihyperlipemia activity, probably due to the relatively high glucose content in EPS.Osteoporosis is common in postmenopausal women and elderly people. In this study, the ovariectomized mice were used as an in vivo test to evaluate the effects of 70% ethanolic extracts of Taiwanofungus camphoratus and T. salmoneus (Polyporales, Agaricomycetes) on postmenopausal osteoporosis. Ovariectomized mice had significantly higher body weight and histopathological alterations of the liver were found to have diffused fatty infiltrated vesicles. The bone parameters of the femur were determined by microcomputed tomography. In addition, the relative weight of the uterus is significantly lower and atrophy of the uterine glands was found in histopathological alterations. The results of trabecular bone parameters showed that feeding high doses of T. camphoratus mycelia ethanolic extract to ovariectomized mice had the ability to delay bone loss. The bone density of trabecular bone and cortical bone were also significantly higher than those of ovariectomized mice, indicating that the ethanolic extract of T. camphoratus has the potential to delay the occurrence of osteoporosis.(1->3)-β-D-glucans (BGs), found in culinary-medicinal mushrooms, exhibit an immunostimulatory effect; hence, it is important to measure the content of BGs contained in mushrooms. BGs content in a mushroom extract was measured using a recombinant BG-binding protein, supBGRP, and compared with the existing BG assay using BGs antibody. The specificity of supBGRP enzyme immunoassay (EIA) was evaluated using a commercially available polysaccharide reagent. The supBGRP did not react to barley glucan, dextran, mannan, pustulan, and xylan, but reacted to sonifilan, and only slightly to curdlan. Among the BGs tested, supBGRP was most reactive to lentinan. LY2880070 mouse The glucans were extracted using hot water and alkaline solution from the fruit body of the following edible mushrooms Pleurotus ostreatus, Grifola frondosa, Lentinus edodes, Hypsizygus marmoreus, Flammulina velutipes, and Auricularia polytricha. All BGs extracted from edible mushrooms were detectable; in particular, the reactivity of supBGRP toward the alkaline-extracted fraction from Lentinus edodes was higher than that toward polyclonal antibody for BGs. link2 The results suggest that supBGRP had a specific reaction to BG. The supBGRP seems to be superior to antibodies due to easy availability as a reagent and stability as a protein molecule for measurement of BGs.The coprinoid mushrooms or coprini are species of former genus Coprinus Pers. link3 (Coprinaceae, Agaricomycetes) currently divided into four new genera Coprinus, Coprinopsis, Coprinellus, and Parasola. The presented review addresses literature data and findings from our recent observations on bioactive compounds (sesquiterpenes, proteins, lectins, phenolics, polysaccharides, fatty acids, etc.) and enzymes (proteases) of 21 coprinoid species distributed in Armenia possessing medicinal properties (antitumor, antibacterial, antifungal, antioxidant, mitogenic, antiprotozoal, hypoglycemic, and others) with potential biotechnological interest.Coprinus comatus, an edible and medicinal mushroom, not only tastes delicious, but also has various pharmacological activities. Recently, it has been reported that researchers have extracted more and more active ingredients, including polysaccharides, comatin, active protein complexes, and phenols from fruit bodies, mycelium, or fermentation liquor of C. comatus and studied their corresponding functions. At present, researchers mainly focus on the hypoglycemic effect of C. comatus, while other effects are less studied. This paper summarizes not only the hypoglycemic effect of C. comatus, but also other functions, such as antioxidant activity, alcohol liver protection, cancer inhibition, antiandrogenic function, anti-inflammatory effect, treatment of leukemia, and so on, which will provide scientific basis for the deep processing and comprehensive utilization of C. comatus.Consumption of foods rich in dietary fiber has attracted considerable attention for lowering blood cholesterol and triglycerides through attenuation of gut microbiome. Diets rich in fiber may provide substrates for microbes to digest and proliferate. In response, products of microbial digestion enter systemic circulation and support host energy homeostasis. In the present study, rats with hypercholesterolemia (HC) were supplemented with probiotics (PB) and Agaricus bisporus mushroom to examine the antidyslipidemia effects. Forty adult rats were divided into five treatment groups. The rats in the control group were fed only a chow maintenance diet (CON; n = 8), whereas an atherogenic diet (chow diet supplemented with 1.5% cholesterol and 0.5% cholic acid) was offered to the remaining rats to induce hypercholesterolemia (HC group; n = 32). Rats developed HC following a 24-day continuous supplementation with the atherogenic diet. From day 25 onward, the HC group was further divided into HC-CON, HC-PB (supplemented with PB at 1 mg/rat/day), HC-AB (supplemented with A. bisporus at 5% of diet), and HC-AB.PB (supplemented with both A. bisporus and PB). After 6 weeks of supplementation, rats were killed to collect blood to determine serum lipid profile, oxidative stress, and for metagenomics analysis of colon contents. Results showed that all supplementations corrected HC-induced oxidative stress. Furthermore, A. bisporus supplementation corrected HC-induced dyslipidemia (P ≤ .05). Blautia and Bifidobacterium were the most dominant bacterial genera in HC-AB and HC-PB groups, respectively. Phylum Firmicutes and class Clostridia predominantly occupied the gut microbiome in all groups. However, no significant differences were observed in microbiome diversity and clustering patterns among study groups. In conclusion, supplementation of A. bisporus mushroom and probiotics can lower oxidative stress and dyslipidemia with partial effects on the phylogenetic makeup in the gut microbiome.Bioactive polysaccharides from three wild edible mushrooms (Rugibolutus extremiorientalis, Russula emetica, and Phleobopus portentosus) extracted by conventional refluxing extraction (RFE) and ultrasound-assisted extraction (UAE) were investigated. The result indicated that the PS of R. extremiorientalis extracted by RFE exhibited the greatest antioxidant activities on ABTS cation free radical scavenging (153.0 mg TEAC/g of the extract), DPPH radical scavenging (9.91 mg TEAC/g of the extract), and also reducing power capacity (10.2 mg TEAC/g of the extract). Whereas, those of R. emetica extracted by UAE have the highest antidiabetic and antihypertensive activities (56.3% and 70.5% inhibition, respectively). All crude PS extracts were composed mainly of carbohydrate and protein plus a small proportion of phenolic compounds of which glucose was the prevalent monosaccharide of all polysaccharides. PS of both R. extremiorientalis and R. emetica contained of β-glycosidic conformation, while those of Ph. portentosus contained both α- and β-glycosidic conformations.The naturally occurring amino acid ergothioneine (EGT) has excellent free radical scavenging ability, which was not different to ascorbic acid. The IC50 values for EGT scavenging hydrogen peroxide, hydroxyl radicals, and superoxide anions were 11.65 ± 0.31, 70.31 ± 1.59, and 160.44 ± 0.32 μg/mL, respectively. The EGT concentration in different species of mushrooms was significantly different (p 0.05). After isolating EGT from mushrooms, we demonstrated that the antioxidant ability of EGT accounts for about 25% of the total antioxidant ability of the extract. We studied the stability of EGT and found that it has excellent light, thermal, and acid-base stability. However, the presence of Cu2+ decreased the concentration of EGT. Unlike EGT, the thermal stability of the EGT extracted from Pleurotus citrinopileatus (PEGT) was not as good as EGT, while long-term high-temperature heating caused a decrease in the concentration of PEGT. The results of our study provide a basis for further investigating EGT from mushrooms for research and development.Helicobacter pylori causes a Gram-negative bacterial infection that can increase the risk of gastric cancer. Consequently, meticulous prevention of an H. pylori infection is significant for averting gastric cancer in humans. Nobiletin, an important dietary polymethoxylated flavonoid in citrus fruits, possesses multidimensional pharmaceutical properties, including its ability to act as an anticancer, anti-inflammatory, antioxidative, cardiovascularly defensive, neuroprotective, and antimetabolic agent. Our study evaluates the role of nobiletin in inflammation-mediated gastric carcinogenic signaling of H. pylori-arbitrated coculture in the human gastric epithelial (GES)-1 cell line. Our results show that the culture system of H. pylori-tainted GES-1 cells demonstrates maximum fabrication of reactive oxygen species (ROS), mediating DNA injury and augmenting nuclear fragmentations. Treatment with nobiletin reduces ROS levels and apoptotic morphological changes by dual staining and decreases levels of lipid peroxides and glutathione content in H. pylori-infected GES-1 cells. Phosphatidylinositol-3 kinase (PI3K)/protein kinase B (AKT)/phosphatase and tensin homolog signaling have been implicated to affect cell endurance, inflammation, proliferation, and carcinogenic activity in gastric GES-1 cells. We find that nobiletin strongly impedes tumor necrosis factor-α, interleukin-6, cyclooxygenase-2, PI3K, AKT, and mitogen-activated protein kinase molecules, including p38, extracellular receptor kinase 1, and c-Jun amino-terminal expression in H. pylori-infected GES-1 cells. We conclude that nobiletin potentially impedes H. pylori infection and its related activation, likely preventing H. pylori infection-mediated gastric cancer.Atherosclerosis is a multifactorial disease that develops and progresses in the arterial wall in response to a variety of stimuli. Among various other stimuli, hyperlipidemia is an extremely important factor that is correlated with the development of atherosclerosis. Lemon and citrus fruits contain various bioactive flavonoids, such as eriocitrin, that prevent obesity and related metabolic diseases. Therefore we concentrated on eriocitrin, a potent flavonoid with numerous therapeutic properties, particularly its beneficial lipid-lowering action in rats subjected to high fat diet. The anti-atherosclerotic efficacy of eriocitrin was assessed in rats administered a diet rich in fat. Wistar rats were divided into five groups consisting of six animals in all groups. Group I served the control, Group II was fed a high-fat diet (HFD), and the third and fourth groups were fed an HFD supplemented with varying doses of eriocitrin, and the last group was administered simvastatin for the last 30 days. Body weight, organ weight, lipid and lipoprotein parameters, cardiac and inflammatory markers, and histological examination were evaluated in animals induced with an HFD. Eriocitrin displayed a significant anti-atherosclerotic action by lowering the body weight, organ weight, reduction in lipid content, cardiac and inflammatory markers, myocardial changes confirmed by histopathology, malondialdehyde and increased antioxidant enzyme activities, nitric oxide, as well as 6-keto-PGF1α and high-density lipoprotein levels in rats fed an HFD. The findings of the experiment suggest that the anti-atherosclerotic action of eriocitrin was due to its modulatory activity in lipid metabolism. Considering the overall results of the study it can be validated that a use of flavonoid eriocitrin might be beneficial in altering HFD-induced alterations in atherosclerotic rats.
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