Which characteristic suggests a higher concentration of protective phytonutrients in a plum variety?

Answer

A deeper color, such as found in Italian prune plums.

The presence and concentration of protective phytochemicals and antioxidants in plums are often visually indicated by the fruit's pigmentation. Generally, the deeper and more intense the color of the plum's flesh or skin, the higher the concentration of these beneficial compounds, which include various polyphenols. For instance, darker varieties, such as the Italian prune plum mentioned in comparisons, are suggested to potentially deliver a more potent defense against cellular damage due to this increased density of phytonutrients compared to lighter-fleshed alternatives.

Which characteristic suggests a higher concentration of protective phytonutrients in a plum variety?
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