Article

Antioxidant Activity and Protecting Health Effects of Common Medicinal Plants

Department of Food Analysis and Chemistry, Faculty of Technology, Tomas Bata University in Zlín, Zlín, Czech Republic. Electronic address: .
Advances in food and nutrition research 01/2012; 67:75-139. DOI: 10.1016/B978-0-12-394598-3.00003-4
Source: PubMed

ABSTRACT Medicinal plants are traditionally used in folk medicine as natural healing remedies with therapeutic effects such as prevention of cardiovascular diseases, inflammation disorders, or reducing the risk of cancer. In addition, pharmacological industry utilizes medicinal plants due to the presence of active chemical substances as agents for drug synthesis. They are valuable also for food and cosmetic industry as additives, due to their preservative effects because of the presence of antioxidants and antimicrobial constituents. To commonly used medicinal plants with antioxidant activity known worldwide belong plants from several families, especially Lamiaceae (rosemary, sage, oregano, marjoram, basil, thyme, mints, balm), Apiaceae (cumin, fennel, caraway), and Zingiberaceae (turmeric, ginger). The antioxidant properties of medicinal plants depend on the plant, its variety, environmental conditions, climatic and seasonal variations, geographical regions of growth, degree of ripeness, growing practices, and many other factors such as postharvest treatment and processing. In addition, composition and concentration of present antioxidants, such as phenolic compounds, are related to antioxidant effect. For appropriate determination of antioxidant capacity, the extraction technique, its conditions, solvent used, and particular assay methodology are important.

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    • "A large range of low and high molecular weight plant polyphenolics presenting antioxidant properties has been studied and proposed for protection against lipid oxidation. Antioxidants are widely needed to prevent deterioration of other oxidisable goods, such as cosmetics, pharmaceuticals and plastics (Abdallah & Khalid 2012; Hamid & Aiyelaagbe 2012; S ˇ krovánková et al. 2012; Suhartono et al. 2012; Upadhyay & Yadav 2012; Rasool et al. 2013). "
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    • "In this regards, it is of great interest to note that two-thirds of the world's plant species have medicinal value; in particular, many medicinal plants have great antioxidant potential [22]. For instance, the plant species such as sage [19], oregano [38], and rosemary [19] have been tested for development of the natural antioxidant formulations in the areas of medicine and nutrition. Among these species, http://dx.doi.org/10.1016/j.cryobiol.2014.07.007 0011-2240/Ó 2014 Elsevier Inc. "
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