naa a22 4500 510725635 CHVBK 20180411082934.0 cr unu---uuuuu 180411e20130301xx s 000 0 eng 10.1007/s11947-012-0877-7 doi (NATIONALLICENCE)springer-10.1007/s11947-012-0877-7 Total Phenolics, Flavonoids, and Antioxidant Activity of Sage ( Salvia officinalis L.) Plants as Affected by Different Drying Methods [Elektronische Daten] [Ibtissem Hamrouni-Sellami, Fatma Rahali, Iness Rebey, Soumaya Bourgou, Ferid Limam, Brahim Marzouk] In the current study, we determined the effects of seven drying methods on total phenolics, flavonoids, individual phenolics, and antioxidant activity of the methanol extract of Salvia officinalis L. As compared with total phenolic content (TPC) of fresh plants, results showed that the highest TPC was recorded in plants dried by microwave (MW) at a power of 800W/30g of fresh plant and was 4.2 times higher than that of fresh plants whereas the lowest content was found in the case of plants dried by far-infrared (FIR) at 45°C. The analysis of the different extracts by RP-HPLC showed a predominance of phenolic acids particularly in fresh plants and those dried by MW (600W/30g of fresh plant) whereas flavonoids predominate in the case of plants dried by FIR (65°C). The assessment of the radical scavenging activity (RSA) against the stable radical 1,1-diphenyl-1-picrylhydrazyl (DPPH) showed an increase in the scavenging effect particularly in MW (800W/30g of fresh plant) dried plants with an IC50 = 13.49μgml−1 (IC50 is the concentration required to cause 50% DPPH inhibition). The complementary assessment of the RSA using the β-carotene/linoleic acid system showed an increase of this activity for all extracts and particularly for the extract derived from MW (600W/30g of fresh plant) dried plants as compared to fresh ones. Finally, all the plant extracts showed moderate reducing power as assessed by the ferric-reducing antioxidant potential. These results suggested that MW drying could be applied to retain phenolic contents and to enhance antioxidant activity of sage plant materials. Springer Science+Business Media, LLC, 2012 Salvia officinalis L nationallicence Drying nationallicence Microwave nationallicence Far-infrared nationallicence Phenolics nationallicence Flavonoids nationallicence Antioxidant activity nationallicence Hamrouni-Sellami Ibtissem Laboratory of Bioactive Substances, Center of Biotechnology of the Techno pole Borj-Cedria, BP. 901, 2050, Hammam-Lif, Tunisia aut Rahali Fatma Laboratory of Bioactive Substances, Center of Biotechnology of the Techno pole Borj-Cedria, BP. 901, 2050, Hammam-Lif, Tunisia aut Rebey Iness Laboratory of Bioactive Substances, Center of Biotechnology of the Techno pole Borj-Cedria, BP. 901, 2050, Hammam-Lif, Tunisia aut Bourgou Soumaya Laboratory of Bioactive Substances, Center of Biotechnology of the Techno pole Borj-Cedria, BP. 901, 2050, Hammam-Lif, Tunisia aut Limam Ferid Laboratory of Bioactive Substances, Center of Biotechnology of the Techno pole Borj-Cedria, BP. 901, 2050, Hammam-Lif, Tunisia aut Marzouk Brahim Laboratory of Bioactive Substances, Center of Biotechnology of the Techno pole Borj-Cedria, BP. 901, 2050, Hammam-Lif, Tunisia aut Food and Bioprocess Technology Springer-Verlag 6/3(2013-03-01), 806-817 1935-5130 6:3<806 2013 6 11947 https://doi.org/10.1007/s11947-012-0877-7 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11947-012-0877-7 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Hamrouni-Sellami Ibtissem Laboratory of Bioactive Substances, Center of Biotechnology of the Techno pole Borj-Cedria, BP. 901, 2050, Hammam-Lif, Tunisia aut NATIONALLICENCE 700 1- Rahali Fatma Laboratory of Bioactive Substances, Center of Biotechnology of the Techno pole Borj-Cedria, BP. 901, 2050, Hammam-Lif, Tunisia aut NATIONALLICENCE 700 1- Rebey Iness Laboratory of Bioactive Substances, Center of Biotechnology of the Techno pole Borj-Cedria, BP. 901, 2050, Hammam-Lif, Tunisia aut NATIONALLICENCE 700 1- Bourgou Soumaya Laboratory of Bioactive Substances, Center of Biotechnology of the Techno pole Borj-Cedria, BP. 901, 2050, Hammam-Lif, Tunisia aut NATIONALLICENCE 700 1- Limam Ferid Laboratory of Bioactive Substances, Center of Biotechnology of the Techno pole Borj-Cedria, BP. 901, 2050, Hammam-Lif, Tunisia aut NATIONALLICENCE 700 1- Marzouk Brahim Laboratory of Bioactive Substances, Center of Biotechnology of the Techno pole Borj-Cedria, BP. 901, 2050, Hammam-Lif, Tunisia aut NATIONALLICENCE 773 0- Food and Bioprocess Technology Springer-Verlag 6/3(2013-03-01), 806-817 1935-5130 6:3<806 2013 6 11947 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer