{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T04:04:52Z","timestamp":1793073892254,"version":"4.5.0"},"reference-count":75,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T00:00:00Z","timestamp":1769040000000},"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. Chem."],"abstract":"<jats:p>Tomato residues in the Agadir region constitute a large and under-exploited source of biomass, rich in bioactive molecules such as phenolic and flavonoid compounds. This study highlights, for the first time, the use of high-pressure-temperature reactor as an innovative and advanced extraction technology to recover phenolic acids and flavonoids from stems and leaves of tomato waste. A multivariate optimization approach was designed to assess the effect of temperature, pressure, extraction time, and solvent ratio on the extraction efficiency to determine the optimal conditions. The performance of this method was compared to conventional and emerging techniques (Soxhlet, maceration, and ultrasound-assisted extraction), while the biological activities of the extracts were evaluated via their antioxidant and enzymatic properties. The results showed a maximum extraction yield of 31.2% for stems and 53.9% for leaves under moderate conditions (25\u00a0\u00b0C, 180\u00a0min, 10\u00a0bar, 30% ethanol). The highest levels of phenolic compounds (1240.89\u00a0mg\u00a0GA\/g extract) and flavonoids (59.32\u00a0mg QE\/g extract) were obtained at 160\u00a0\u00b0C and 10\u00a0bars, with ethanol concentrations between 70% and 100%. Pareto analysis identified temperature and solvent polarity as the key variables influencing extraction efficiency. The optimal extracts demonstrated strong antioxidant activity (up to 85% DPPH inhibition and 261.8\u00a0mg trolox\/g extract in the FRAP test) as well as significant anti-elastase potential (&amp;gt;90% inhibition), highlighting their potential for cosmetic and nutraceutical applications. Compared to conventional and advanced techniques already available on the market, Parr reactor extraction offers superior yield, selectivity, and process efficiency. This study validates its role as an environmentally friendly and scalable alternative for the recovery of tomato processing waste within a circular bioeconomy.<\/jats:p>","DOI":"10.3389\/fchem.2026.1765834","type":"journal-article","created":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T06:53:54Z","timestamp":1769064834000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":5,"title":["Extraction of phenolic compounds and flavonoids from tomato residues using high-pressure-temperature advanced method"],"prefix":"10.3389","volume":"14","author":[{"given":"Nidal","family":"Zrikam","sequence":"first","affiliation":[{"name":"African Sustainable Agriculture Research Institute (ASARI), University Mohammed VI Polytechnic (UM6P)","place":["La\u00e2youne, Morocco"]},{"name":"Laboratory of Microbial Biotechnologies, Agrosciences and Environment (BioMAgE), Labeled Research Unit-CNRST N\u00b04, Faculty of Sciences Semlalia, Cadi Ayyad 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