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Transactions of The British Mycological Society | 1988

5-Hydroxymaltol and mycophenolic acid, secondary metabolites from Penicillium echinulatum

H.A. Anderson; J. M. Bracewell; A. R. Fraser; D. Jones; G. W. Robertson; J. D. Russell

Culture filtrates of Penicillium echinulatum contain a complex mixture of secondary metabolites. Among them, 5-hydroxymaltol and mycophenolic acid have been isolated. This is the first report of the former from fungi, and of the latter from Penicillium echinulatum .


European Journal of Soil Science | 1976

A PYROLYSIS-GAS CHROMATOGRAPHY METHOD FOR DISCRIMINATION OF SOIL HUMUS TYPES

J. M. Bracewell; G. W. Robertson


European Journal of Soil Science | 1992

Nature of soil carbohydrate and its association with soil humic substances

M. V. Cheshire; J. D. Russell; A. R. Fraser; J. M. Bracewell; G. W. Robertsons; L. M. Benzing-Purdie; C. I. Ratcliffe; J. A. Ripmeester; B. A. Goodman


European Journal of Soil Science | 1984

Characteristics of soil organic matter in temperate soils by Curie point pyrolysis‐mass spectrometry.

J. M. Bracewell; G. W. Robertson


European Journal of Soil Science | 1973

HUMUS TYPE DISCRIMINATION USING PATTERN RECOGNITION OF THE MASS SPECTRA OF VOLATILE PYROLYSIS PRODUCTS

J. M. Bracewell; G. W. Robertson


European Journal of Soil Science | 1978

SOME CHARACTERISTICS OF THE BROWN FOREST SOILS OF SCOTLAND

J. M. Ragg; J. M. Bracewell; J. Logan; L. Robertson


European Journal of Soil Science | 1979

STRUCTURAL STUDIES ON SOIL POLYSACCHARIDE

M. V. Cheshire; J. M. Bracewell; C. M. Mundie; G. W. Robertson; J. D. Russell; A. R. Fraser


European Journal of Soil Science | 1975

Humus type discrimination from mass spectra by a simplified statistical treatment

J. M. Bracewell; G. W. Robertson; G. J. M. Stephen


European Journal of Soil Science | 1983

The extraction and characterization of soil polysaccharide by whole soil methylation

M. V. Cheshire; C. M. Mundie; J. M. Bracewell; G. W. Robertson; J. D. Russell; A. R. Fraser


European Journal of Soil Science | 1979

RAPID REPRESENTATIVE SAMPLING OF SOIL GASES AND THEIR DETERMINATION BY MASS SPECTROMETRY

G. W. Robertson; J. M. Bracewell

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B. A. Goodman

Scottish Crop Research Institute

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G. W. Robertsons

Scottish Crop Research Institute

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