{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,21]],"date-time":"2026-06-21T04:26:49Z","timestamp":1782016009136,"version":"3.54.5"},"reference-count":40,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2019,10,16]],"date-time":"2019-10-16T00:00:00Z","timestamp":1571184000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Chemistry &amp; Biodiversity"],"published-print":{"date-parts":[[2019,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The widespread use of <jats:italic>Deverra scoparia<\/jats:italic> <jats:sc>Coss. &amp; Durieu<\/jats:sc> in Algerian folk\u2010medicine as a remedy can be relatively attributed to its total phenolic compounds. The current study aimed to provide a scientific basis for optimal collection and usage of <jats:italic>Deverra scoparia<\/jats:italic> <jats:sc>Coss. &amp; Durieu<\/jats:sc> plant. Hence, 37 samples were gathered from nine sites in Algeria during two seasons 2016 and 2017, then exposed to a green extraction. Total phenolic (TPC), flavonoid (FC) and condensed tannins (CTC) content were estimated spectrophotometrically. The antioxidant activity was measured using five different methods, DPPH<jats:sup>.<\/jats:sup>, ABTS<jats:sup>.+<\/jats:sup>, FRAP, CUPRAC and Fe<jats:sup>2+<\/jats:sup>\u2010chelating. The results have revealed considerable amounts of TPC varied from 804 to 1544\u2005mg GAE\/100\u2005g dry matter, FC started from 187 up to 410\u2005mg QE\/100\u2005g dry matter and CTC varied from 111 to 394\u2005mg CE\/100\u2005g dry matter. The best IC<jats:sub>50<\/jats:sub> values (\u03bcg\/mL) of DPPH<jats:sup>.<\/jats:sup>, ABTS<jats:sup>\u2022+<\/jats:sup>, FRAP, CUPRAC and Fe<jats:sup>2+<\/jats:sup>\u2010chelating tests were 56.62, 5.41, 21.26, 52.93 and 78.10, respectively. Moreover, high correlations were found between CTC and most of the antioxidant tests. Hence, CTC are suggested to be the principal group of antioxidant activity in <jats:italic>Deverra scoparia<\/jats:italic> <jats:sc>Coss. &amp; Durieu<\/jats:sc> extracts.<\/jats:p>","DOI":"10.1002\/cbdv.201900420","type":"journal-article","created":{"date-parts":[[2019,9,17]],"date-time":"2019-09-17T14:59:42Z","timestamp":1568732382000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Effect of Seasonal and Regional Variations on Phenolic Compounds of <i>Deverra scoparia<\/i> (Flowers\/Seeds) Methanolic Extract and the Evaluation of Its <i>in Vitro<\/i> Antioxidant Activity"],"prefix":"10.1002","volume":"16","author":[{"given":"Adel","family":"Benarfa","sequence":"first","affiliation":[{"name":"Laboratory of Fundamental Sciences University Amar Telidji of Laghouat  P.O. 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