Research Advances of Purple Sweet Potato Anthocyanins: Extraction, Identification, Stability, Bioactivity, Application, and Biotransformation.

Molecules · 2019 · PMC6864833 · PMID 31652733

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showed a trendno p-value reported

With the range from pH 2 to pH 11, the color of PSPAs solution gradually changed from dark red to blue, and the maximum absorption wavelength showed a trend shift toward the color blue.

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