**Conflict of interest**

The authors declare no conflicts of interest to disclose in relation to this book chapter.

**83**

*DOI: http://dx.doi.org/10.5772/intechopen.90252*

DPPH 2,2-diphenyl-1-picrylhydrazyl EC effective concentration

FRAP ferric reducing antioxidant power

NMR nuclear magnetic resonance spectroscopy

, Murugan Muthuvel<sup>2</sup>

\*

Institute of Higher Education and Research, Chennai, Tamilnadu, India

\*Address all correspondence to: biotechstephen@gmail.com

3 Department of Ayurveda and Siddha, Trichy Ayurvedic Union Pvt. Ltd.,

1 Department of Biotechnology and Molecular Biology, State University of Ceará,

2 Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Sriramachandra

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium,

, Sudarsini Saravanabhavan3

nium salt

SDS sodium dodecyl sulfate AST aspartate transaminase ROS reactive oxygen species PG polygalacturonase

PUT putrescine CI chilling injury PPO polyphenol oxidase SI selective index

**Author details**

Fortaleza, Brazil

Iago Almeida da Ponte1

and Stephen Rathinaraj Benjamin1

Tiruchirappalli, Tamilnadu, India

provided the original work is properly cited.

*The Phytochemical Composition of Medicinal Plants: Brazilian Semi-Arid Region (Caatinga)*

ABTS 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)diammo-
