{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T21:54:51Z","timestamp":1762898091146,"version":"build-2065373602"},"reference-count":19,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2004,2,9]],"date-time":"2004-02-09T00:00:00Z","timestamp":1076284800000},"content-version":"vor","delay-in-days":3022,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["scijournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Chemical Tech &amp; Biotech"],"published-print":{"date-parts":[[1995,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Oxidation of kraft black liquor with 14\u00b739% solids content, obtained by cooking of <jats:italic>Pinus pinaster<\/jats:italic> wood, was studied by three different process; chemical oxidation with molecular oxygen at 120\u2013138\u00b0C (oxygen partial pressure \u2248 0\u00b715 MPa); biological (enzymatic) oxidation; and combined oxidation (in the sequence: chemical + enzymatic). Lignin degradation was followed by high pressure liquid chromatography (HPLC). Production of low molecular weight compounds, e.g. vanillin, was monitored by gas chromatography (GC). Chemical oxidation produced about 1.5 g of vanillin per dm<jats:sup>3<\/jats:sup> of liquor (0\u00b7904 g per 100 g of solids). Biodegradation products had molecular weights near to that of vanillin and mainly around 100 daltons, but vanillin was not detected. In the combined oxidation process, vanillin was consumed with a concomitant reduction of the HPLC peak.<\/jats:p>","DOI":"10.1002\/jctb.280640303","type":"journal-article","created":{"date-parts":[[2005,5,28]],"date-time":"2005-05-28T11:49:11Z","timestamp":1117280951000},"page":"225-234","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["Chemical and biological oxidation of <i>Pinus pinaster<\/i> lignin of the production of vanillin"],"prefix":"10.1002","volume":"64","author":[{"given":"Alvaro L.","family":"Mathias","sequence":"first","affiliation":[]},{"given":"Mary I.","family":"Lopretti","sequence":"additional","affiliation":[]},{"given":"Alirio E.","family":"Rodrigues","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2004,2,9]]},"reference":[{"key":"e_1_2_1_2_2","first-page":"9","volume-title":"Organic Chemicals from Biomass","author":"Goldstein I. 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