Macela (Achyrocline satureioides)

Macela (Achyrocline satureioides) is an Amazonian herb containing flavonoids like quercetin and luteolin that provide antioxidant and wound healing properties. The plant's essential oils and phenolic compounds enhance antioxidant enzyme activity and promote collagen synthesis.

Origin & History

Macela is derived from Achyrocline satureioides, a perennial herb native to subtropical South America, particularly Brazil, Argentina, and Uruguay. The extract is produced by harvesting and drying leaves or inflorescences, grinding them into powder, and extracting with ethanol or water to isolate bioactive compounds including flavonoids and phenolic acids.

Historical & Cultural Context

Achyrocline satureioides has been used in traditional South American medicine for centuries, particularly among indigenous communities. Historical applications include digestive, antispasmodic, anti-inflammatory, antiviral, sedative, and hepatoprotective purposes.

Health Benefits

• Antioxidant support: Animal studies show increased catalase and superoxide dismutase enzyme activities with reduced oxidative stress markers (Preliminary evidence)
• Wound healing: Essential oil formulations demonstrated 62% wound contraction and enhanced collagen synthesis in animal models (Preliminary evidence)
• Anti-inflammatory effects: Bioactive compounds including β-caryophyllene and α-humulene show anti-inflammatory activity (Preliminary evidence)
• Digestive support: Traditional use for digestive and antispasmodic purposes, though clinical validation pending (Traditional evidence only)
• Hepatoprotective potential: Historical use for liver protection, mechanism attributed to flavonoid content (Traditional evidence only)

How It Works

Macela's flavonoids, particularly quercetin and luteolin, enhance endogenous antioxidant enzymes including catalase and superoxide dismutase while reducing lipid peroxidation markers. The essential oil components promote wound healing by stimulating fibroblast proliferation and increasing collagen type I synthesis. These bioactive compounds also modulate inflammatory pathways by inhibiting pro-inflammatory cytokine production.

Scientific Research

No human clinical trials, RCTs, or meta-analyses were identified in the available research. Evidence is limited to in vitro cytotoxicity studies (588-653 μg·mL⁻¹) and animal model research evaluating antioxidant enzyme activity and wound healing parameters.

Clinical Summary

Current evidence for Macela comes primarily from animal studies and in vitro research. Animal studies demonstrated significant increases in antioxidant enzyme activities and reduced oxidative stress markers in liver tissue. Topical essential oil formulations showed 62% wound contraction rates and enhanced collagen synthesis in rodent wound healing models. Human clinical trials are lacking, limiting the strength of evidence for therapeutic applications in humans.

Nutritional Profile

{"macronutrients": {"fiber": "Not extensively studied; presence suggested but not quantified", "protein": "Not extensively studied; presence suggested but not quantified"}, "micronutrients": {"vitamins": {"Vitamin C": "Trace amounts; specific concentration not well-documented"}, "minerals": {"Calcium": "Trace amounts; specific concentration not well-documented", "Iron": "Trace amounts; specific concentration not well-documented"}}, "bioactive_compounds": {"\u03b2-caryophyllene": "Present; specific concentration not well-documented", "\u03b1-humulene": "Present; specific concentration not well-documented", "Flavonoids": "Includes quercetin and luteolin; specific concentrations not well-documented"}, "bioavailability_notes": "Bioactive compounds such as flavonoids may have variable bioavailability depending on preparation and individual metabolism. Further studies are needed to quantify and understand the bioavailability of specific nutrients and compounds."}

Preparation & Dosage

No clinically studied human dosage ranges available. Hydroalcoholic extracts contain 12.4 g flavonoids/100 g extract versus 5.6 g/100 g in aqueous extracts. Consult a healthcare provider before starting any new supplement.

Synergy & Pairings

Milk thistle, turmeric, green tea extract, quercetin, alpha-lipoic acid

Safety & Interactions

Safety data for Macela is limited due to lack of human studies. Topical applications appear well-tolerated in animal models with no reported adverse effects. Potential allergic reactions may occur in individuals sensitive to plants in the Asteraceae family. No documented drug interactions exist, but caution is advised when combining with anticoagulant medications due to potential wound healing effects. Pregnancy and breastfeeding safety has not been established.