{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T04:39:52Z","timestamp":1791434392310,"version":"4.3.3"},"reference-count":56,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2022,3,22]],"date-time":"2022-03-22T00:00:00Z","timestamp":1647907200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Plant Sci."],"abstract":"<jats:p>\n                    Rice (\n                    <jats:italic>Oryza sativa<\/jats:italic>\n                    L.) straw is a highly abundant, widely available, and low cost agricultural waste that can be used as a source to extract valuable phytochemicals of industrial interest. Hence, in the present work, the chemical composition of the lipophilic compounds present in rice straw was thoroughly characterized by gas chromatography and mass spectrometry using medium-length high-temperature capillary columns, which allowed the identification of a wide range of lipophilic compounds, from low molecular weight fatty acids to high molecular weight sterols esters, sterol glucosides, or triglycerides in the same chromatogram. The most abundant lipophilic compounds in rice straw were fatty acids, which accounted for up to 6,400\u2009mg\/kg (41.0% of all identified compounds), followed by free sterols (1,600\u2009mg\/kg; 10.2%), sterol glucosides (1,380\u2009mg\/kg; 8.8%), fatty alcohols (1,150\u2009mg\/kg; 7.4%), and triglycerides (1,140\u2009mg\/kg; 7.3%), along with lower amounts of high molecular weight wax esters (900\u2009mg\/kg; 5.8%), steroid ketones (900\u2009mg\/kg; 5.8%), monoglycerides (600\u2009mg\/kg; 3.8%), alkanes (400\u2009mg\/kg; 2.6%), diglycerides (380\u2009mg\/kg; 2.4%), sterol esters (380\u2009mg\/kg; 2.4%), tocopherols (340\u2009mg\/kg; 2.2%), and steroid hydrocarbons (60\u2009mg\/kg; 0.4%). This information is of great use for the valorization of rice straw to obtain valuable lipophilic compounds of interest for the nutraceutical, pharmaceutical, cosmetic, and chemical industries. Moreover, this knowledge is also useful for other industrial uses of rice straw, as in pulp and papermaking, since some lipophilic compounds are at the origin of the so-called pitch deposits during pulping.\n                  <\/jats:p>","DOI":"10.3389\/fpls.2022.868319","type":"journal-article","created":{"date-parts":[[2022,3,28]],"date-time":"2022-03-28T12:30:27Z","timestamp":1648470627000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":38,"title":["Chemical Composition of Lipophilic Compounds From Rice (Oryza sativa) Straw: An Attractive Feedstock for Obtaining Valuable Phytochemicals"],"prefix":"10.3389","volume":"13","author":[{"given":"Mario J.","family":"Rosado","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gisela","family":"Marques","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jorge","family":"Rencoret","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ana","family":"Guti\u00e9rrez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jos\u00e9 C.","family":"del R\u00edo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2022,3,22]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"29","DOI":"10.1016\/j.biortech.2016.04.011","article-title":"Potential of rice straw for bio-refining: An overview","volume":"215","author":"Abraham","year":"2016","journal-title":"Bioresour. 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