ISSN: 0973-7510

E-ISSN: 2581-690X

Hayssam M. Ali1,3 , Mohamed Z.M. Salem2 and Abdulaziz A. Al Sahli1
1Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia.
2Forestry and Wood Technology Department, Faculty of Agriculture (EL-Shatby), Alexandria University, Alexandria, Egypt.
3Timber Trees Research Department, Sabahia Horticulture Research Station, Horticulture Research Institute, Agriculture Research Center, Alexandria, Egypt.
J Pure Appl Microbiol. 2013;7(Spl. Edn.: November):131-137
© The Author(s). 2013
Received: 30/09/2013 | Accepted: 02/11/2013 | Published: 30/11/2013
Abstract

In the present study the tree species namely; Terminalia arjuna (Roxb.) (leaves), Ficus retusa L. (bark, leaves, wood), Schinus terebinthifolius Raddi (fruits), Ficus benghalensis L. (fruits), Ficus carica L. (fruits), Cupressus sempervirens L. (needles), Delonix regia (leaves), Erythrina humeana (wood, leaves), and Dalbergia sissoo Roxb. (wood) were screened and assayed for their antioxidant activity using the 2,2-diphenyl-1-picrylhydrazyl method (DPPH). The values of total antioxidant activity (TAA) range from 10±1.02 to 90±2.97%. The highest TAA% was observed by the methanolic extract from T. arjuna leaves (90±2.97%), followed by F. carica fruits (89±2.7%), C. sempervirens needles (88.60±1.51%), F. benghalensis fruits (70±3.8%), F. retusa leaves (67±1.23%) and F. retusa bark. On the other hand, the lowest values were found by the methanolic extract of F. retusa wood (10±1.45%) and D. regia leaves (13±2.3%) in comparable to Tannic acid as a standard compound (80±2.12%). It can be suggested that the T. arjuna (leaves), needles of C. sempervierins and fruits of F. carica are a great potential source of antioxidant compounds useful for the natural basis.

Keywords

Antioxidant activity, Methanolic extracts, DPPH method, Tress

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