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<p>Propolis is a resin collected by bees, whose chemical composition varies with local vegetation. This study investigated <i>Baccharis cinerea</i> as a potential botanical source of greenish-brown propolis from Alagoas, Brazil. UFLC-DAD analyses demonstrated the shared presence of cinnamic acid derivatives between the propolis and the plant, including caffeic acid, ferulic acid, and artepillin C, detected between 7–26&#xa0;min (λmax 315&#xa0;nm). The propolis (C-PRO) presented high contents of total phenolics (66.62%) and flavonoids (10.44%), while the extracts from the flowering branches ranged from 15.83–55.48% and 1.31–10.42%, respectively. In the DPPH assay, the propolis exhibited an IC₅₀ of 15.03&#xa0;µg/mL, and the plant extracts ranged from 4.34–44.11&#xa0;µg/mL. The results suggest <i>B. cinerea</i> as one of the possible botanical origins of the greenish-brown propolis from the mountainous region of Alagoas, based on the sharing of phenolic markers, representing the first record of this association.</p>

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Phytochemical contribution of Baccharis cinerea (Asteraceae) to the botanical origin of the greenish-brown propolis from northeastern Brazil

  • 期刊论文

  • 发表日期：

    2026年5月19日

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  • Jônatas Oliveira Costa,
  • Arthur Luy Tavares Ferreira Borges,
  • João Victor Lessa de Oliveira,
  • Gustavo Heiden,
  • Ticiano Gomes do Nascimento,
  • Ana Paula do Nascimento Prata Lins

摘要

Propolis is a resin collected by bees, whose chemical composition varies with local vegetation. This study investigated Baccharis cinerea as a potential botanical source of greenish-brown propolis from Alagoas, Brazil. UFLC-DAD analyses demonstrated the shared presence of cinnamic acid derivatives between the propolis and the plant, including caffeic acid, ferulic acid, and artepillin C, detected between 7–26 min (λmax 315 nm). The propolis (C-PRO) presented high contents of total phenolics (66.62%) and flavonoids (10.44%), while the extracts from the flowering branches ranged from 15.83–55.48% and 1.31–10.42%, respectively. In the DPPH assay, the propolis exhibited an IC₅₀ of 15.03 µg/mL, and the plant extracts ranged from 4.34–44.11 µg/mL. The results suggest B. cinerea as one of the possible botanical origins of the greenish-brown propolis from the mountainous region of Alagoas, based on the sharing of phenolic markers, representing the first record of this association.