SOME NEW TOXIC COMPOUNDS IN FALSE MORELS, GYROMITRA ESCULENTA. = QUELQUES NOUVEAUX COMPOSES TOXIQUES DANS LA FAUSSE MORILLE, MITRA ESCULENTAPYYSALO H.1975; NATURWISSENSCHAFTEN; DTSCH.; DA. 1975; VOL. 62; NO 8; PP. 395; BIBL. 4 REF.Article

STUDIES ON THE VOLATILE COMPOUNDS IN MUSHROOMS = ETUDE DES COMPOSES VOLATILS DES CHAMPIGNONS COMESTIBLESPYYSALO H.1975; TECH. RES. CENTRE FINL., MAT. PROCESSG TECH., PUBL.; FINL.; DA. 1975; NO 13; PP. 1-14; BIBL. 1P.1/2; ISBN 9513802892Serial Issue

IDENTIFICATION OF VOLATILE COMPOUNDS IN SEVEN EDIBLE FRESH MUSHROOMS = IDENTIFICATION DES COMPOSES VOLATILS DE SEPT CHAMPIGNONS FRAIS, COMESTIBLESPYYSALO H.1976; ACTA CHEM. SCAND., B; DANEM.; DA. 1976; VOL. 30; NO 3; PP. 235-244; BIBL. 20REF.Article

ELINTARVIKKEET MYRKKYJEN LAEHTEINAE = LES ALIMENTS COMME SOURCE DE COMPOSES TOXIQUESPYYSALO H.1978; KEM.-KEMI; FIN; DA. 1978; VOL. 5; NO 9; PP. 377-379; ABS. ENG; BIBL. 11 REF.Article

TESTS FOR GYROMITRIN, A POISONOUS COMPOUND IN FALSE MOREL GYROMITRA ESCULENTA.PYYSALO H.1976; Z. LEBENSMITTEL-UNTERS. U. -FORSCH.; DTSCH.; DA. 1976; VOL. 160; NO 3; PP. 325-330; ABS. ALLEM.; BIBL. 8 REF.Article

MASS SPECTRA OF SOME N-METHYL-N-FORMYLHYDRAZONES.PYYSALO H; HONKANEN E.1976; ACTA CHEM. SCAND., B; DANEM.; DA. 1976; VOL. 30; NO 8; PP. 792-793; BIBL. 7 REF.Article

GLASS CAPILLARY GAS CHROMATOGRAPHIC OF NATURALLY OCCURRING PHLOROGLUCINOLSPYYSALO H; WIDEN CJ.1979; J. CHROMATOGR.; NLD; DA. 1979; VOL. 168; NO 1; PP. 246-249; BIBL. 22 REF.Article

IDENTIFICATION OF THE MAIN METABOLITE OF ETHYLENETHIOUREA IN MICESAVOLAINEN K; PYYSALO H.1979; J. AGRIC. FOOD CHEM.; USA; DA. 1979; VOL. 27; NO 6; PP. 1177-1181; BIBL. 27 REF.Article

IDENTIFICATION OF VOLATILE LACTONES BY NMR. II. ¹³CNMR SPECTRA OF SOME MONOSUBSTITUTED GAMMA - AND DELTA -LACTONES.PYYSALO H; ENQUIST J.1975; FINN. CHEM. LETTERS; FINL.; DA. 1975; NO 5; PP. 136-139; BIBL. 4 REF.Article

THE EFFECT OF OXIDATION OF THE SULFUR ATOM ON THE MUTAGENICITY OF ETHYLENETHIOUREAAUTIO K; VON WRIGHT A; PYYSALO H et al.1982; MUTATION RESEARCH; ISSN 0027-5107; NLD; DA. 1982; VOL. 106; NO 1; PP. 27-31; BIBL. 12 REF.Article

ORGANOCHLORINE COMPOUNDS IN THE LIVER OF COD (GADUS MORHUA) IN THE NORTHERN BALTICWICKSTROM K; PYYSALO H; PERTTILA M et al.1981; CHEMOSPHERE; ISSN 0366-7111; GBR; DA. 1981; VOL. 10; NO 9; PP. 999-1004; BIBL. 14 REF.Article

MUTAGENIC PROPERTIES OF ETHYLIDENE GYROMITRIN AND ITS METABOLITES IN MICROSOMAL ACTIVATION TESTS AND IN THE HOST-MEDIATED ASSAYVON WRIGHT A; NISKANEN A; PYYSALO H et al.1978; MUTATION RES.; NLD; DA. 1978; VOL. 54; NO 2; PP. 167-173; BIBL. 15 REF.Article

QUINTOZENE IN SOME SOILS AND PLANTS IN FINLAND.RAUTAPAA J; PYYSALO H; BLOMQVIST H et al.1977; ANN. AGRIC. FENN.; FINL.; DA. 1977; VOL. 16; NO 4; PP. 277-281; ABS. FINIS; BIBL. 5 REF.Article

EXTRACTION AND DETERMINATION OF O-PHENYLPHENOL AND BIPHENYL IN CITRUS FRUITS AND APPLESPYYSALO H; KIVIRANTA A; LAHTINEN S et al.1979; J. CHROMATOGRAPHY; NLD; DA. 1979; VOL. 168; NO 2; PP. 512-516; BIBL. 18 REF.Article

QUANTITATIVE EVALUATION OF THE METABOLIC FORMATION OF METHYLHYDRAZINE FROM ACETALDEHYDE-N-METHYL-N-FORMYLHYDRAZINE, THE MAIN POISONOUS COMPOUND OF GYROMITRA ESCULENTAVON WRIGHT A; PYYSALO H; NISKANEN A et al.1978; TOXICOL. LETTERS; NLD; DA. 1978; VOL. 2; NO 5; PP. 261-265; BIBL. 10 REF.Article

STUDIES ON ENTOMOPHILY IN SPLACHNACEAE (MUSCI). I. VOLATILE COMPOUNDS IN THE SPOROPHYTEPYYSALO H; KOPONEN A; KOPONEN T et al.1978; ANN. BOT. FENN.; FIN; DA. 1978; VOL. 15; NO 4; PP. 293-296; BIBL. 19 REF.Article

THE EFFECT OF IRON, TIN, ALUMINIUM, AND CHROMIUM ON FADING, DISCOLORATION, AND PRECIPITATION IN BERRY AND RED BEET JUICES.KUUSI T; PYYSALO H; PIPPURI A et al.1977; Z. LEBENSMITTEL-UNTERS. U.-FORSCH.; DTSCH.; DA. 1977; VOL. 163; NO 3; PP. 196-202; ABS. ALLEM.; BIBL. 20 REF.Article

THE TOXICITIES AND MUTAGENIC PROPERTIES OF ETHYLIDENE GYROMITRIN AND N-METHYLHYDRAZINE WITH ESCHERICHIA COLI AS TEST ORGANISM.VON WRIGHT A; NISKANEN A; PYYSALO H et al.1977; MUTATION RES.; NETHERL.; DA. 1977; VOL. 56; NO 2; PP. 105-110; BIBL. 9 REF.Article

GLASS CAPILLARY GAS CHROMATOGRAPHIC DETECTION AND MASS SPECTRAL ANALYSIS OF SOME HYDROXYL DERIVATIVES OF POLYCHLORINATED BIPHENYLS (PCB'S)LOTJONEN S; AYRAS P; PYYSALO H et al.1979; FINN. CHEM. LETTERS; FIN; DA. 1979; NO 2; PP. 57-60; BIBL. 16 REF.Article

LEVELS OF ORGANOCHLORINE COMPOUNDS IN A INLAND SEAL POPULATION IN EASTERN FINLANDHELLE E; HYVARINEN H; PYYSALO H et al.1983; MARINE POLLUTION BULLETIN; ISSN 0025-326X; GBR; DA. 1983; VOL. 14; NO 7; PP. 256-260; BIBL. 17 REF.Article

THE TOXICITY OF SOME N-METHYL-N-FORMYLHYDRAZONES FROM GYROMITRA ESCULENTA AND RELATED COMPOUNDS IN MOUSE AND MICROBIAL TESTSWRIGHT AV; NISKANEN A; PYYSALO H et al.1978; TOXICOL. APPL. PHARMACOL.; USA; DA. 1978; VOL. 45; NO 2; PP. 429-434; BIBL. 13 REF.Article

IDENTIFICATION OF VOLATILE LACTONES BY NMR. I. SYNTHESIS OF GAMMA - AND DELTA -LACTONES AND ASSIGNMENTS IN THE ¹³C NMR SPECTRA OF 4-HYDROXYHEXANOIC AND 5-HYDROXYHEPTANOIC ACID LACTONES.PYYSALO H; ENQUIST J; HONKANEN E et al.1975; FINN. CHEM. LETTERS; FINL.; DA. 1975; NO 5; PP. 129-135; BIBL. 24 REF.Article

IDENTIFICATION OF VOLATILE LACTONES BY NMR. I. SYNTHESIS OF GAMMA - AND DELTA -LACTONES AND ASSIGNMENTS IN THE ¹³C NMR SPECTRA OF 4-HYDROXYHEXANOIC AND 5-HYDROXYHEPTANOIC ACID LACTONESPYYSALO H; ENQVIST J; HONKANEN E et al.1975; FINN. CHEM. LETTERS; FINL.; DA. 1975; NO 5; PP. 129-135; BIBL. 24 REF.Article

Identification of food thickeners by monitoring of their pyrolytic products = Identification des épaississants alimentaires par analyse de leurs produits de pyrolyseSJOBERG, A. M; PYYSALO, H.Journal of chromatography. 1985, Vol 319, Num 1, pp 90-98, issn 0021-9673Article

Average total dietary intakes of organochlorine compounds from the Finnish diet = Ingestion totale journalière moyenne de composés organochlorés dans l'alimentation finlandaiseMOILANEN, R; PYYSALO, H; KUMPULAINEN, J et al.Zeitschrift für Lebensmittel-Untersuchung und -Forschung. 1986, Vol 182, Num 6, pp 484-488, issn 0044-3026Article