Compared to iceberg lettuce, what specific dietary advantage does purple cabbage offer for a similar caloric intake?
Answer
Vastly superior amounts of Vitamin C, Vitamin K, and anthocyanins.
When juxtaposed with iceberg lettuce, purple cabbage demonstrates a clear nutritional superiority across several key metrics, even when matching the caloric input. Purple cabbage provides significantly greater quantities of essential vitamins, specifically Vitamin C and Vitamin K, which are often found in lower concentrations in lighter-colored leafy greens. Crucially, it also supplies the unique and potent antioxidant compounds, the anthocyanins, which are almost entirely absent in standard iceberg lettuce varieties.
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