Friday, May 24, 2019

Spices

Spices nooky be defined as aromatic or acrid plant substances utilize to provide flavor, color and aroma to food (Mohamed, 2014). These spices ar characterized by being rich in antioxidants and have some healthful properties (Jeswal and Kumar, 2015 Kong et al., 2014). Spices are widely used throughout the world for many purposes, of which their used in food preparation and processing (Hashem and Alamri, 2010).Many of them are used as traditional medicines in many cases such as infections, wounds, sprains and nausea and some spices help to improve glucose of plasma by improving insulin sensitivity (Mohamed, 2014). Because of its medicinal properties, spices are used for pharmaceutical industries as raw materials (Toma and Abdullah, 2013).In addition, essential oils of spices or spices themselves have preservative action (Nielsen and Rios, 2000).Antimicrobial properties of some spices inhibit the fungal growth as reported for turmeric and sumac (Jeswal and Kumar, 2015 Toma and Abdu llah, 2013), while essential oils and oleoresins of some spices shown to be high effectively against microbial growth. Essential oil of mustard is one of these oils, which includes the brisk component allyl isothiocyanate (AITC). Other spices such as cinnamon, garlic and clove considered as potential inhibitors (Nielsen and Rios, 2000). while other spices such as red chilly and dry ginger considered as liable substance for growth of many fungus kingdom (Jeswal and Kumar, 2013).Although red chili is in the second rank as the largest used spice worldwide after black pepper, contamination of red chili samples by AFs and OTA were repeatedly reported by many studies and Aspergillus flavus, A. niger and A. fumigates are the fungi contaminants that are repeatedly detected in the flake or powder samples of red chili. In ginger derivatives and samples, the mycotoxins that have been detected are AFs and OTA. Contamination of spices can be occurred in the field, when the spices undergo dryin g process or during storage (Kabak and Dobson, 2017).

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