AOAC SPIFAN Stakeholder Program Meeting Book (March 17, 2021)

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Table 3. Target matrices*

Matrix Category Matrix Sub-Category

Minimum Representative Matrices • Cereal-based • Fruit/vegetable-based • Meat-based • Cereal-based • Fruit/vegetable-based • Meat-based • Whole milk powder • Whey protein concentrate • Soy protein isolate • Bovine • One additional species • Lactose • Maltodextrin • Oligosaccharides (galacto- oligosaccharides or fructo- oligosaccharides) • Oil/fat • Milk-based • Plant-based

Baby food

Baby food ingredients

Infant/adult formulas

Animal-based milk powdered protein sources Plant-based protein sources

Liquid milk

Infant/adult formula ingredients

Fat-based

Carbohydrate-based

Mineral- and vitamin-based (premixes)

• Any

126 *In order to include the given matrix category in the method applicability, the validation has to 127 be conducted on all representative matrices listed as the minimum requirement for that matrix 128 category. For example, a method has to be validated on lactose, maltodextrin and 129 oligosaccharides (galacto-oligosaccharides or fructo-oligosaccharides) to demonstrate 130 applicability for the carbohydrate-based infant/adult formula ingredient category. 131

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