Characterization of Vitamin B12 Compounds in the Wild Edible Mushrooms Black Trumpet (Craterellus cornucopioides) and Golden Chanterelle (Cantharellus cibarius)

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概要

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• This study determined the vitamin B12 content of six wild edible mushrooms which are consumed by European vegetarians. Zero or trace levels (0.01-0.09 μg/100 g dry weight) of vitamin B12 were determined in porcini mushrooms (Boletus spp.), parasol mushrooms (Macrolepiota procera), oyster mushrooms (Pleurotus ostreatus), and black morels (Morchella conica). By contrast, black trumpet (Craterellus cornucopioides) and golden chanterelle (Cantharellus cibarius) mushrooms contained considerable levels (1.09-2.65 μg/100 g dry weight) of vitamin B12. To determine whether C. cornucopioides or C. cibarius contained vitamin B12 or other corrinoid compounds that are inactive in humans, we purified a corrinoid compound using an immunoaffinity column and identified it as vitamin B12 based on LC/ESI-MS/MS chromatograms.

著者

• Yabuta Yukinori

  School Of Agricultural Biological And Environmental Sciences Fac. Of Agriculture Tottori Univ.

• Miyamoto Emi

  Department Of Health And Nutrition Nagasaki International University

• Watanabe Fumio

  School Of Agricultural Biological And Environmental Sciences Faculty Of Agriculture Tottori Universi

• Takenaka Shigeo

  Department Of Mathematics Hiroshima University

• Schwarz Joachim

  Medical Practice Dr. med. Joachim Schwarz

• SCHWARZ Joachi

  Medical Practice Dr Med. Joachim Schwarz

• HOCHSTRASSER Rahel

  Medical Practice Dr Med. Joachim Schwarz

• OHISHI Noriharu

  School of Agricultural, Biological and Environmental Sciences, Tottori University

• NELLE Esther

  Medical Practice Dr Med. Joachim Schwarz

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