Where are many of the pigment-based defensive compounds concentrated in the *Satsumaimo* tuber?
Answer
Concentrated in the skin.
The majority of the protective, pigment-based compounds, such as beta-carotene and anthocyanins (depending on the variety), are heavily concentrated within the skin of the Japanese sweet potato. This means that discarding the skin results in the removal of a significant portion of the tuber's broad-spectrum antioxidant benefits. For optimal consumption of these defensive compounds, it is recommended to only give the skin a light scrub for cleaning rather than peeling and discarding it entirely.
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