A method of processing a juice and/or soda product in a beverage processing plant, where the juice and/or soda product is obtained from one or several starting products, including determining the color and turbidity of at least one starting product of a juice and/or soda product, and/or the color and turbidity of the obtained juice and/or soda product by means of at least one sensor of the beverage processing plant, comparing the determined color and turbidity with a stored color and a stored turbidity of at least one starting product of a predetermined juice and/or soda product, and/or with a stored color and a stored turbidity of the predetermined juice and/or soda product, and operating the beverage processing plant based on the result of this comparison.
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