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Bioactive Compounds Recovery from Larrea tridentata by Green Ultrasound- Assisted Extraction

Phyton-International Journal of Experimental Botany 2024年第11期93卷 3091-3107页

作者： Muyideen Olaitan Bamidele Jose Sandoval-Cortes Maria Liliana Flores-Lopez Olga Berenice Alvarez Perez monica lizeth chavez gonzalez Cristobal Noe Aguilar Bioprocesses and Bioproducts Research Group Food Research DepartmentSchool of ChemistryUniversidad Autonoma de CoahuilaSaltillo25070Mexico Centro de Investigacion e Innovacion Cientifica y Tecnologica Universidad Autonoma de CoahuilaSaltillo25070Mexico

Postharvest losses remain a signiﬁcant challenge,particularly in developing countries that have inadequate *** plants offer an eco-friendly and sustainable solution for managing diseases and pests in agri-cultural *** plants are rich in bioactive compounds,such as alkaloids,ﬂavonoids,terpenoids,phenolics,and essential oils,many of which have proven antimicrobial,antifungal,insecticidal,and antioxidant *** characteristics make medicinal plants viable candidates for postharvest disease and pest *** these,Larrea tridentata(creosote bush)is particularly notable for its bioactive compounds with strong antifungal *** potential applications include agriculture,food preservation,and *** study aimed to evaluate how different solvent mixtures affect the efﬁciency of ultrasound-assisted extraction,total polyphenol content,antioxidant capacity,and antifungal activity of *** leaves and ***ﬁndings revealed that the 60%ethanol ultrasound-assisted extract of *** leaves(ULL 60%)contained the highest concentration of bioactive compounds,including hydrolysable tannins(690.2 mg GAE/100 g)and condensed tan-nins(329.9 mg CE/100 g).All extracts demonstrated notable antioxidant activity in ABTS,DPPH,and FRAP assays,with ethanol-based extracts showing greater antioxidant potential than their aqueous *** terms of antifungal efﬁcacy,100%ethanol leaf extract exhibited the strongest inhibition against Fusarium oxyspor-um(60.03%),whereas 50%ethanol extract effectively inhibited Alternaria alternata(53.61%).Six major polyphe-nolic compounds were identiﬁed using reverse-phase high-performance liquid chromatography coupled with electrospray ionization mass spectrometry(RP-HPLC-ESI-MS).These include quercetin,luteolin,3,4-dihydrox-yphenylethanol,elenolic acid,nordihydroguaiaretic acid(NDGA),and *** compounds are known to have antibacterial,antifungal and antioxidant propert

关键词： Phytopathogens bioactive compounds desert plants Fusarium oxysporum Alternaria alternata

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