What question did this study set out to answer?

This research aims to identify the factors affecting antioxidant capacity in tree peony petals.

May 25, 2026LWT0 citationsOpen Access

Determinants of Antioxidant Capacity in Tree Peony (Paeonia suffruticosa) Petals: Color, Active Substances, Oxidase Activity, and in Vitro Antioxidant Activity

YWYì WángBGI Group (China)SZS. M. ZhangShanxi Agricultural University NLNa LiShanxi Agricultural University

Key Points

This research aims to identify the factors affecting antioxidant capacity in tree peony petals.
Classification of tree peonies into purple, pink purple, and pink white groups.
Use of DPPH radical scavenging and superoxide dismutase activity analysis.
Application of correlation and principal component analysis to analyze data.
DPPH radical scavenging ability and superoxide dismutase activity showed significant positive effects on antioxidant capacity.
Significant differences in bioactive components and antioxidant capacity were observed among different cultivars.

Abstract

• Tree peonies are divided into purple, pink purple and pink white groups for clear result analysis. • DPPH radical scavenging ability and superoxide dismutase activity had significant positive effects on antioxidant ability. • Significant differences in bioactive components and antioxidant capacity exist among tree peony cultivars. • This research adopts comprehensive analytical methods including color classification, correlation analysis and principal component analysis. • This study provides sufficient scientific evidence for the development of peony-based food, medicines and cosmetics.

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