The aims of this work was to investigate the effect of thermal drying method (vacuum oven drying), and nonthermal drying method (freeze drying) on the flavonoids content in two red grape varieties (Cabernet Sauvignon and Merlot) from different grape components (seed, skin, and pulp) collected from two experimental fields, Bucium and Copou (North East of Romania). In general, the fresh skin of Cabernet and Merlot varieties has the highest flavonoids content followed by those obtained by oven-drying and freeze-drying process. A similar situation was observed in the other component of grape varieties like pulp and seeds meaning in the way that the flavonoid content in oven-dried samples were higher than that in the freeze-dried samples. In addition, from both varieties, Merlot collected from Bucium presented the highest content compared with Cabernet.
Traditional use of Plantago species as herbal remedies is based on their anti-toxic, antimicrobial, antiinflammatory, anthelmintic, diuretic properties. Plantain species are widely used as alternative therapeutic tools for the prevention or treatment of many diseases. The aim of this study is to evaluate the enzymatic activity (superoxide dismutase and peroxidase) and non-enzymatic antioxidants (total polyphenols and flavonoids) of three Plantago species (P. lanceolata L., P. media L. and P. schwarzenbergiana Schur) collected in different phenophases from Valea Ilenei (Iasi, Romania) nature reserve.
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