GC-MS and Phytochemical Screening of Garlic (Allium sativum) Bulbs and Ginger (Zingiber officinale) Rhizome

Ayda Khalifa, A. & Mutaman Kehail, A. A.^*

Department of Food Technology, University of Gezira, Sudan

Dr. Mutaman Kehail, A. A., Department of Food Technology, University of Gezira, Sudan.

Keywords: Phytochemical Screening; Ginger Rhizome; Garlic Bulb

Abstract

Natural products (e.g. Garlic bulb and Ginger rhizome) has been used in food production and in traditional medicine. The objective of the study was to run the GC-MS and phytochemical screening tests for Garlic (Allium sativum) bulbs and Ginger ((Zingiber officinale)) rhizome. The samples of the Garlic and Ginger were purchased from the local market, Wad Medani City, Gezira State, Sudan. The qualitative phytochemical screening was run in University of Gezira, Sudan, following the standard methods, whereas, GC-MS analysis was carried out at Forensic Laboratories Directorate, Khartoum State, Sudan. The results showed that, the GC-MS database identified 7 different compounds from ginger rhizome, and only 4 different compounds from the garlic bulbs. The qualitative phytochemical screening of garlic bulb detected the presence of saponins, flavonoids, glycoside, sterols and tannins, whereas that of ginger rhizome contained the same classes in addition to alkaloids. This work recommends studying both garlic bulb and ginger rhizome as food supplemented raw materials as well as a natural materials for controlling microbes.

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