According to research conducted in Spain, which lettuce type exhibited the highest overall antioxidant activity?
Answer
Red oak leaf
A comparison study conducted by a group of scientists based in Spain focused on measuring the antioxidant efficacy across several common lettuce varieties. The findings revealed that the Red Oak Leaf variety demonstrated superior performance, exhibiting the highest overall antioxidant activity when directly tested against competitors like iceberg and romaine lettuce. This superior activity is linked to the presence of anthocyanins in the red type, which generally corresponds with a higher concentration of beneficial phenolic compounds.

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