Abstract
This chapter introduces the extraction, purification, antioxidant activity, and individual phenolic compound composition of sweet potato leaf polyphenols. It starts by introducing sweet potato leaves and polyphenols in sweet potato leaves. It then focuses on the extraction and purification of polyphenols from sweet potato leaves, especially the purification process of polyphenols from sweet potato leaves by AB-8 macroporous adsorption resin. By the end of the chapter, the individual phenolic compound composition and antioxidant activity of the purified sweet potato leaf polyphenols are introduced, which suggest that purification by AB-8 macroporous resin was highly efficient, economic, and environmentally friendly, and has a great industrial production potential.
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