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Davies AM, Newby VK, Synge RL. Bound quinic acid as a measure of coupling of leaf and sunflower-seed proteins with chlorogenic acid congeners: loss of availability of lysine. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 1978; 29:33-41. [PMID: 621928 DOI: 10.1002/jsfa.2740290106] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/1977] [Indexed: 12/16/2023]
Abstract
AbstractChanges were studied in the bulk protein of tobacco leaves, lucerne shoots and sunflower‐seed kernels subjected to aerobic autolysis at room temperature. Bulk‐protein fractions from cigar and from commercial sunflower‐seed meal were also examined. Quinic acid, released by cold alkaline hydrolysis, was used as a measure of binding of chlorogenic acid residues to the proteins. On aerobic autolysis, the proteins of the leafy materials underwent some proteolysis; chlorogenic acid residues became bound to the protein, with concomitant diminution of free chlorogenic acid. The proteins showed browning, increased ultraviolet absorption and diminished content and “chemical availability” of lysine. However, during aerobic autolysis, the bulk protein of sunflower‐seed kernels did not couple appreciably with the chlorogenic acid congeners present; the above accompanying phenomena were also largely absent. It is concluded that, when protein‐rich plant materials are to be fed to monogastric animals, and particularly when their lysine content is critical, more attention should be paid to effects of the polyphenols and polyphenol oxidases present in the original plant.
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Biehl B. Proteinhydrolyse w�hrend der Kakaofermentation in Abh�ngigkeit von Wechselwirkungen mit Polyphenolen unter anaeroben und aeroben Bedingungen. ACTA ACUST UNITED AC 1967. [DOI: 10.1007/bf01460617] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Herrmann K. Zusammenfassende �bersichtsberichte �ber Hydroxy-zimts�uren und ihre Bedeutung in Lebensmitteln. ACTA ACUST UNITED AC 1967. [DOI: 10.1007/bf01460618] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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BOCK FREDG, SHAMBERGER RAYMONDJ, MYERS HUSTONK. Tumour-promoting Agents in Unburned Cigarette Tobacco. Nature 1965. [DOI: 10.1038/208584a0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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JACOBSON JS. The brown pigments of autolyzed tobacco leave. II. Incorporation of labeled rutin and chlorogenic acid. Arch Biochem Biophys 1961; 93:591-7. [PMID: 13718602 DOI: 10.1016/s0003-9861(61)80057-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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