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Home > Archives > Volume 20, No 11 (2022) > Article

DOI: 10.14704/NQ.2022.20.11.NQ66289

Determination of the antioxidant susceptibility of alcoholic and aqueous extracts of some plant residues (Peel and leaves)

Luma Faleh Hussein Saleh Al-Maksousi, Khadija Sadiq Jaafar Al-Husseini

Abstract

This study was conducted on plant samples collected from the daily remains and divided into two groups(Fruits and vegetables) The studied part of each sample differed. The preparation of the samples were different according to the type of plant. The models were cleaned, cut, and then dried in the oven at a temperature of 40 °C. Then the samples were ground using an electric grinder, then sieved and placed in tightly closed containers and stored in the refrigerator at a temperature of 5 ° C. Until the use, the chemical composition of the extracts (aqueous and alcoholic) of the plant residues was estimated. The phenolic compounds and flavonoids present in the extracts (aqueous and alcoholic) of the plant residues were diagnosed using GC-MS technique. 1- The ability of plant extracts (alcoholic and aqueous) to capture the free radical DPPH as a result of containing phenolic compounds and flavonoids. 2- It was found that the plant extracts (alcoholic and aqueous) possess a high reducing power due to the fact that they contain phenolic and flavonoid compounds. 3- The results indicated that the plant extracts (alcoholic and aqueous) possessed phenolic compounds in good proportions. 4- The results indicated that the plant extracts (alcoholic and aqueous) possess flavonoid compounds in good proportions.

Keywords

antioxidant susceptibility, alcoholic, aqueous extracts, plant residues, Peel, leaves

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