Abstract
It is important to exemplify different types of medicinal plants for their potential antioxidant and antimicrobial properties as it has been evident that diverse nutrient and non-nutrient molecules which are produced from aromatic and medicinal plants display antioxidant and antimicrobial properties, and can protect human body against cellular oxidation reaction and pathogens. Methanol and aqueous extracts of different parts (seeds, roots and leaves) of Sesamum indicum L. were screened to detect in vitro antioxidant [1,1-diphenyl-2-picryl hydrazyl (DPPH) and thiobarbituric acid (TBA)] and antimicrobial (disc diffusion and deep well diffusion) activity. On the basis of the results, different parts of S. indicum L. showed promising antimicrobial and antioxidant activity in methanol extract instead of aqueous extracts. It has also been observed that S. indicum L. has a powerful antioxidant and antimicrobial activity and can be used as accessible source of natural antioxidants and antimicrobial agent in pharmaceutical industry and as a possible food supplement. Key words: Sesamum indicum L., 1, 1-diphenyl-2-picryl hydrazyl (DPPH), thiobarbituric acid (TBA), antioxidant, antimicrobial.
Highlights
Oxidation is a chemical reaction that transfers electrons from a substance to an oxidizing agent and produces free radicals
Human bodies are protected from oxidative damage of free radicals through complex defense systems which are known as antioxidants (Aris et al, 2009)
It is clear from the data that there are differences in the antioxidant and antimicrobial effects of different part of the sesame plant using methanol and water extracts
Summary
Oxidation is a chemical reaction that transfers electrons from a substance to an oxidizing agent and produces free radicals. The present study was undertaken to evaluate the antioxidant and antibacterial activity of different parts of an important oil-yielding crop Sesamum indicum L. This TBA method described antioxidant activity by percent inhibition:
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