• Title/Summary/Keyword: Naematoloma fasciculare

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Antitumor Components from Naematoloma fasciculare

  • Ding, Yan;Bao, Hai Ying;Bau, Tolgor;Li, Yu;Kim, Young-Ho
    • Journal of Microbiology and Biotechnology
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    • v.19 no.10
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    • pp.1135-1138
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    • 2009
  • The bioassay-guided fractionation of MeOH extract from Naematoloma fasciculare afforded a petroleum ether fraction (NFPF) and four known compounds, which showed good antitumor activities to inhibit MCF-7 cell line proliferation in vitro and tumor growth in $H_{22}$ implanted mice in vivo. In addition, a number of unsaturated aliphatic acids were identified in NFPF by GC analysis. These results showed that NFPF inhibits tumor growth through the activity of unsaturated aliphatic acids together with two active compounds, ergosterol peroxide (1: 62.17 mg/g in NFPF) and ergosterol (2: 3.13 mg/g in NFPF), and indicate the potential utility of NFPF as an antitumor drug.

Anticomplementary Activity of Ergosterol Peroxide from Naematoloma fasciculare and Reassignment of NMR Data

  • Kim, Dong-Seon;Baek, Nam-In;Oh, Sei-Ryang;Jung, Keun-Young;Lee, Im-Seon;Kim, Jung-Hee;Lee, Hyeong-Kyu
    • Archives of Pharmacal Research
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    • v.20 no.3
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    • pp.201-205
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    • 1997
  • A very high content (at least 0.23%) of ergosterol peroxide was isolated from Naematoloma fasciculare Karst. Not only ergosterol peroxide but also ergosterol showed very strong anticomplementary activity on the classical pathway, the $IC_{50}$ values being $5.0 {\mu}M$ and $1.0 {\mu}M$, respectively. The $ ^{1}H $and $^{13}C$ NMR data of ergosterol peroxide were revised and completely assigned by DEPT, $^{1}H-^{1}H$ COSY, HMQC and HMBC correlations.

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Studies on Constituents of the Higher Fungi of Korea(XLVIII) -Nematoxin of Naematoloma fasciculare- (한국산(韓國産) 고등(高等) 균류(菌類)의 성분(威分) 연구(硏究)(제48보)(第48報) -노란다발버섯의 독(毒) 성분(成分) 네마톡신-)

  • Kim, Byong-Kak;Shim, Mi-Ja
    • The Korean Journal of Mycology
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    • v.12 no.3
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    • pp.117-119
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    • 1984
  • To find toxic components in Korean higher fungi, the carpophores of Naematoloma fasciculare which had caused several cases of lethal intoxication were examined for toxicity. The components of high molecular weight were separated by ethanol precipitation and dialysis from the aqueous extract of the carpophores. After the components were freeze-dried, a brown powder was obtained. When a dose of 60mg/kg of this macromolecular fraction was intraperitoneally injected into mice, the mice began to die in six days and a half of them died within seven days. This toxic component was named nematoxin after the genus name of the mushroom.

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Cytotoxic Ergosterol Derivatives from the Mushroom Naematoloma fasciculare

  • Kim, Ki Hyun;Choi, Sang Un;Noh, Hyung Jun;Zee, Okpyo;Lee, Kang Ro
    • Natural Product Sciences
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    • v.20 no.2
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    • pp.76-79
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    • 2014
  • In our ongoing search for structurally interesting and biologically active metabolites from Korean wild mushrooms, bioassay-guided fractionation and a chemical investigation of the MeOH extracts of the fruiting bodies of the mushroom Naematoloma fasciculare resulted in the isolation of three ergosterol derivatives, (22E,24R)-ergosta-7,22-diene-$3{\beta}$,$5{\alpha}$,$6{\beta}$,$9{\alpha}$-tetrol (1), (22E,24R)-$5{\alpha}$,$8{\alpha}$-epidioxyergosta-6,22-diene-$3{\beta}$-ol 3-O-${\beta}$-$\small{D}$-glucopyranoside (2), and (22E,24R)-$5{\alpha}$,$8{\alpha}$-epidioxyergosta-6,9,22-triene-$3{\beta}$-ol 3-O-${\beta}$-$\small{D}$-glucopyranoside (3). The structures of 1 - 3 were determined by comparison of their spectroscopic and physical data with reported values. The isolated steroid derivatives 1 and 3 were reported for the first time from this mushroom. Compounds 1 - 3 were tested for their cytotoxic activities against four human cancer cell lines (A549, SK-OV-3, SK-MEL-2, and HCT-15).

Studies on the antitumor components of Korean Basidiomycetes $(IV)^*$ Antitumor Components of Namatoloma Fasciculare (Fr.) Karst.

  • Lee, Chong-Ock;Choi, Eung-Chil;Kim, Byong-Kak
    • Archives of Pharmacal Research
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    • v.4 no.2
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    • pp.117-122
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    • 1981
  • The carpophores of a mushroom, Naematoloma fasciculare (Fr.) Karst, were extracted with 0.2 N NaOH and the extract was dialyzed through visking tube. It was found to contain an antitumor activity against sarcoma 180 implanted in mice. The components of this aqueous extract were found to be a polysaccharide and a protein by color reactions including Anthrone and Lowery-Folin tests. The hydrolysis of the polysaccharide with 3% HCL-Me-OH and trimethylsily lation of the hydrolysate yielded five monosaccharides, i. e. glucose, frutose, mannose, galactose and xylose, which were detected and analyzed by GLC. After hydrolysis of the protein with 6N HCl, 15 amino acids, including aspartic acid and glutamic acid, were detected and analyzed by an auto amino acid analyzer.

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Fibrinolytic and α-Glucosidase Inhibitory Activities of Wild Mushroom Methanol Extracts (야생버섯 메탄올추출물의 혈전용해 활성과 α-Glucosidase 저해 활성)

  • Kim, Jun-Ho;Lee, Eun-Jin;Seok, Soon-Ja
    • The Korean Journal of Mycology
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    • v.35 no.2
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    • pp.128-132
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    • 2007
  • The aim of this study was to investigate the physiological functionalities of 60 wild mushroom methanol extracts. We determined their fibrinolytic and ${\alpha}-glucosidase$ inhibitory activities. Among them, 11 mushrooms showed fibrinolytic activity. In particular, Armillaria sp. showed the greatest enzyme activity (4.2 plasmin units/ml) in a fibrin plate assay. The fibrinolytic activities of Amanita virosa. Gymnophilus sp. and Lepista nuda were 2.3, and the activities of Amanita citrina and Cortinarius alboviolaceus were 2.1 and 2.0 plasmin units, respectively. In a ${\alpha}-glucosidase$ inhibitory activity test, Naematoloma fasciculare showed the greatest inhibitory activity at 98.5%. The ${\alpha}-glucosidase$ inhibitory activities of Suillus luteus and Gomphidius maculatus were 66.6% and 61.5%, respectively. This study suggests that both Armillaria sp. and N. fasciculare can be used as candidates for the development of new medicine effective to cardiovascular diseases and biofunctional food.

Antimutagenic Effect of Extracts from Wild Mushrooms (야생버섯 추출물의 항돌연변이 효과)

  • 박선희;김옥미;이갑득
    • Journal of Life Science
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    • v.9 no.6
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    • pp.728-732
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    • 1999
  • The inhibitory effects of methanol extracts from wild mushrooms on mutagenicity induced by benzo(a)pyrene (B(a)P) and N-methyl-N-nitro- nitrosoguanidine(MNNG) were investigated using Salmonella typhimurium reversion assay. In Ames test, The methanol extracts of 11 mushrooms did not show any mutagenicity but The methanol extracts of Lactarius piperatus, Naematoloma fasciculare and Innotus xeranticus showed 40∼80% of inhibitory effect on the mutagenicity induced by indirect mutagen of B(a)P and also showed 60∼80% of antimutagenic activity toward MNNG irrespective of their concentrations.

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Degradation of Three Aromatic Dyes by White Rot Fungi and the Production of Ligninolytic Enzymes

  • Jayasinghe, Chandana;Imtiaj, Ahmed;Lee, Geon-Woo;Im, Kyung-Hoan;Hur, Hyun;Lee, Min-Woong;Yang, Hee-Sun;Lee, Tae-Soo
    • Mycobiology
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    • v.36 no.2
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    • pp.114-120
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    • 2008
  • This study was conducted to evaluate the degradation of aromatic dyes and the production of ligninolytic enzymes by 10 white rot fungi. The results of this study revealed that Pycnoporus cinnabarinus, Pleurotus pulmonarius, Ganoderma lucidum, Trametes suaveolens, Stereum ostrea and Fomes fomentarius have the ability to efficiently degrade congo red on solid media. However, malachite green inhibited the mycelial growth of these organisms. Therefore, they did not effectively decolorize malachite green on solid media. However, P. cinnabarinus and P. pulmonarius were able to effectively decolorize malachite green on solid media. T. suaveolens and F. rosea decolorized methylene blue more effectively than any of the other fungi evaluated in this study. In liquid culture, G. lucidum, P. cinnabarinus, Naematoloma fasciculare and Pycnoporus coccineus were found to have a greater ability to decolorize congo red. In addition, P. cinnabarinus, G lucidum and T. suaveolens decolorized methylene blue in liquid media more effectively than any of the other organisms evaluated in this study. Only F. fomentarius was able to decolorize malachite green in liquid media, and its ability to do so was limited. To investigate the production of ligninolytic enzymes in media containing aromatic compounds, fungi were cultured in naphthalene supple mented liquid media. P. coccineus, Coriolus versicolor and P. cinnabarinus were found to produce a large amount of laccase when grown in medium that contained napthalene.