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Peumus boldus Extract Inhibits Lipid Accumulation in 3T3-L1 Adipocytes
Laura Montaldo1, Llerson Bendezu Meza1, Mauricio De Marzi1,2
1Departamento de Ciencias Basicas, Universidad Nacional de Lujan, Av Constitucion y Ruta 5, Lujan 6700, Buenos Aires, Argentina.
International Journal of Molecular Sciences
|May 14, 2025
Summary
This study reveals that a Peumus boldus (Boldo) extract exhibits antioxidant and anti-adipogenic properties by reducing reactive oxygen species and lipid accumulation in mature adipocytes. However, it does not promote lipolysis or affect inflammatory markers.
Area of Science:
- Biochemistry
- Pharmacology
- Cell Biology
Background:
- Obesity is a widespread metabolic disorder with significant health implications.
- Antioxidant compounds, such as those from Ribes nigrum, have previously demonstrated anti-adipogenic effects.
- Investigating natural extracts for metabolic health benefits is crucial.
Purpose of the Study:
- To evaluate the antioxidant and anti-adipogenic potential of an aqueous extract from Peumus boldus (Boldo) in mature adipocytes.
- To determine the effects of Boldo extract on reactive oxygen species (ROS) and lipid production.
- To assess the impact of Boldo on specific cellular markers related to metabolism and inflammation.
Main Methods:
- Analysis of Boldo extract's antioxidant activity (AA) using DPPH assay and polyphenol (Pph) content via Folin's reagent.
- In vitro assessment in mature adipocytes (AD) measuring ROS production, catalase (CAT) activity, triglyceride (Tg) and cholesterol (Chol) content.
- Quantification of nitric oxide (NO) production, glycerol (Gly) release, and TNF-α secretion using Griess reagent and other assays.
Main Results:
- Boldo extract demonstrated high antioxidant activity.
- In vitro, Boldo treatment significantly reduced intracellular ROS production and CAT activity.
- The extract effectively lowered intracellular triglyceride and cholesterol levels and decreased nitric oxide production in adipocytes.
Conclusions:
- Peumus boldus extract possesses significant antioxidant and anti-adipogenic properties.
- The extract modulates ROS and lipid accumulation in adipocytes but does not induce lipolysis.
- Boldo extract did not demonstrate significant effects on glycerol release or TNF-α secretion, indicating no impact on inflammatory markers in this model.
