This botanical profile is part of the Star Naturals Herbal Library.
Onion
Allium cepa
Historical / Folk Use
Onion has been used traditionally in culinary and herbal preparations across cultures. Prepared as food, broths, or infusions, it was valued for supporting vitality and maintaining seasonal resilience. Its pungent warmth made it a common ingredient in traditional household preparations.
Energetics
Traditionally described as:
• Warming and stimulating
• Circulatory-moving
• Activating and sharp
• Fortifying and steady
• Grounding and bold
• Energizing in tone
• Associated with resilience and vitality
Research & Resources
The research summaries below highlight findings from scientific studies on compounds found in this botanical.
They are provided for educational purposes and do not represent claims about the effects of Star Naturals products.
Study 1:
Scientific literature reviews show that onion and compounds like quercetin are associated with antioxidant activity and modulation of inflammatory and certain immune‑related pathways in experimental models.
Study 2:
Laboratory gut models showed that onion extract was associated with changes in microbial populations and increased production of beneficial metabolites under controlled conditions.
Study 3:
Reviews of experimental studies indicate that organosulfur compounds from onion are associated with antibacterial activity and changes in gut microbial communities in animal and laboratory settings.