However, spices also Can contain pathogenic and spoilage organisms.

然而，调味料也含有病原菌和变质菌类。

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To give an understanding of the types of micro-organisms associated with food; their significance and control in food spoilage, food poisoning and food manufacturing operations.

了解各种食物的微机体，以及他们对食物的败坏、毒化、以及制造活动的重要性与控制。

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