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. Given these results, we can say that the consumption of these extracts could have preventive and curative benefits against several diseases. People suffering from stomach problems or high blood pressure should show great concerns to it because of the acidity and relatively high sodium content of these extracts.

Microbiological and chemical studies have been carried on some widely consumed nuts stored in leddah markets. Results indicated that mould count was generally higher than bacterial count specially on shelled nuts. Walnuts showed the highest average of microbial contamination including mould, bacteria, proteolytic and lipolytic microorganisms comparing with other kinds of nuts. While the lowest counts were found to be on pistachio-nuts and cashewnuts even shelled or unshelled. Mould isolates occurring most frequently were Aspergillus, Penicellium, Rhizopus, Mucor and Cladosporium. Regarding bacterial flora, G + ve sporeforming bacilli, G + ve cocci and G -ve short rods were the most dominant isolates. The microbial contamination which plays an important role in the spoilage of various nuts was generally affected by the composition of nuts specially proteins, lipids and water content.

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