| the nucleotide sequences of the 5s rrnas of four mushrooms and their use in studying the phylogenetic position of basidiomycetes among the eukaryotes. | the nucleotide sequences of the 5 s ribosomal rnas of the mushrooms russula cyanoxantha, pleurotus ostreatus, agaricus edulis, and auricularia auricula-judae were determined. the sequences fit in a universal five-helix secondary structure model for 5 s rna. as in most other 5 s rnas, some helical areas contain non-standard base pairs. a clustering method was used to reconstruct an evolutionary tree from 82 eukaryotic 5 s rna sequences. it allows to make a choice between alternative systematic cl ... | 1983 | 6856478 |
| a new ceramide from the basidiomycete russula cyanoxantha. | a new phytosphingosine-type ceramide (1) was isolated along with nine other compounds-5alpha,8alpha-epidioxy(22e,24r)-ergosta-6,22-dien-3beta-ol, 5alpha,8alpha-epidioxy-(24s)-ergosta-6-en-3beta-ol, (24s)-ergosta-7-ene-3beta,5alpha,6beta-triol, (22e,24r)-ergosta-7,22-dien-3beta,5alpha,6beta-triol, inosine, adenine, l-pyroglutamic acid, fumaric acid, and d-allitol from the ethanol and chloroform/methanol extract of the fruiting bodies of the basidiomycete russula cyanoxanotha (schaeff.) fr. the st ... | 2001 | 11269698 |
| contents of carboxylic acids and two phenolics and antioxidant activity of dried portuguese wild edible mushrooms. | the organic acids and phenolics compositions of nine wild edible mushrooms species (suillus bellini, tricholomopsis rutilans, hygrophorus agathosmus, amanita rubescens, russula cyanoxantha, boletus edulis, tricholoma equestre, suillus luteus, and suillus granulatus) were determined by hplc-uv and hplc-dad, respectively. the antioxidant potential of these species was also assessed by using the dpph* scavenging assay. the results showed that all of the species presented a profile composed of at le ... | 2006 | 17061830 |
| correlation between the pattern volatiles and the overall aroma of wild edible mushrooms. | volatile and semivolatile components of 11 wild edible mushrooms, suillus bellini, suillus luteus, suillus granulatus, tricholomopsis rutilans, hygrophorus agathosmus, amanita rubescens, russula cyanoxantha, boletus edulis, tricholoma equestre, fistulina hepatica, and cantharellus cibarius, were determined by headspace solid-phase microextraction (hs-spme) and by liquid extraction combined with gas chromatography-mass spectrometry (gc-ms). fifty volatiles and nonvolatiles components were formall ... | 2008 | 18266318 |
| comparative study on free amino acid composition of wild edible mushroom species. | a comparative study on the amino acid composition of 11 wild edible mushroom species (suillus bellini, suillus luteus, suillus granulatus, tricholomopsis rutilans, hygrophorus agathosmus, amanita rubescens, russula cyanoxantha, boletus edulis, tricholoma equestre, fistulina hepatica, and cantharellus cibarius) was developed. to define the qualitative and quantitative profiles, a derivatization procedure with dabsyl chloride was performed, followed by hplc-uv-vis analysis. twenty free amino acids ... | 2008 | 18942845 |
| ergosta-4,6,8(14),22-tetraen-3-one induces g2/m cell cycle arrest and apoptosis in human hepatocellular carcinoma hepg2 cells. | mushrooms have been used in asia as traditional foods and medicines for a long time. ergosta-4,6,8(14),22-tetraen-3-one (ergone) is one of the well-known bioactive steroids, which exists widely in various medicinal fungi such as polyporus umbellatus, russula cyanoxantha, and cordyceps sinensis. ergone has been demonstrated to possess cytotoxic activity. however, the molecular mechanisms by which ergone exerts its cytotoxic activity are currently unknown. | 2011 | 21241775 |
| the bioaccumulation and translocation of fe, zn, and cu in species of mushrooms from russula genus. | many previous studies revealed a high ability of mushrooms to accumulate heavy metals from environment. this paper concerns the capacity of some wild macromycetes belonging to russula genus to accumulate heavy metals in natural condition of ph (between 6.5 and 6.8) and the pattern of metal translocation in the fruiting body. | 2011 | 21274641 |