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. 2023 Jan 23;12(2):254. doi: 10.3390/antiox12020254

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Biological activities (2,2′-diphenyl-1-picrylhydrazyl (DPPH), 2,2′-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid (ABTS), ferric reducing antioxidant power (FRAP), reducing power assay (RPA), hydroxyl-radical scavenging assay (^•OH-RSA), ferrous ion chelating assay (FICA), phosphomolybdate assay (PMA)) and α-glucosidase inhibition activity of native Australian rosella (R), mountain pepper berries (MPB), lemon aspen (LA), and strawberry gum (SBG); acarbose (Aca). The vales with letters (a–e) are significantly different from each other.