Herbs (Global Traditional) · Traditional Chinese Medicine
Safflower (Carthamus tinctorius) (Carthamus tinctorius)
Moderate Evidencebotanical
Hermetica Superfood Encyclopedia
Safflower (Carthamus tinctorius) contains over 50 flavonoid derivatives and quinochalcone compounds that provide antioxidant and anti-inflammatory effects. The primary bioactive compound Hydroxysafflor yellow A (HSYA) neutralizes reactive oxygen species and modulates inflammatory pathways.
Safflower (Carthamus tinctorius L.) is a flowering plant native to arid regions, with flowers and seeds serving as the primary sources of bioactive compounds. The plant is processed through various extraction methods including solvent extraction for oils and water/ethanol extraction for phytochemical compounds, yielding over 200 distinct compounds including quinochalcones, flavonoids, alkaloids, and fatty acids.
The provided research dossier does not contain specific human clinical trials, randomized controlled trials, or meta-analyses with PubMed PMIDs. The available evidence consists primarily of phytochemical composition studies and traditional pharmacological property analyses rather than clinical trial data.
No clinically studied dosage ranges are available in the current research. The dossier lacks specific information on standardized preparations, extract concentrations, or human dosing protocols. Consult a healthcare provider before starting any new supplement.
Safflower (Carthamus tinctorius) petals and seeds have distinct nutritional profiles. PETALS (medicinal part): Rich in bioactive pigments including Hydroxysafflor Yellow A (HSYA) at approximately 1.2–3.5% dry weight, Safflor Yellow B, and carthamin (red pigment) at 0.3–0.6% dry weight. Contains 50+ flavonoids including kaempferol, quercetin, luteolin, and their glycosides at combined concentrations of 2–8% dry weight. Serotonin-based alkaloids (N-feruloylserotonin, N-(p-coumaroyl)serotonin) present at 0.1–0.5% dry weight. Polysaccharides (predominantly arabinogalactans) at 15–25% dry weight with documented immunomodulatory activity. Minimal macronutrient contribution from petals due to typical usage in small medicinal doses. SEEDS (edible oil source): High fat content at 30–45% of seed weight, predominantly polyunsaturated fatty acids — linoleic acid (omega-6) comprises 68–83% of fatty acid profile, oleic acid 8–21% (varies by cultivar: high-oleic varieties contain 75–80% oleic acid). Saturated fats low at 6–8% (palmitic + stearic). Vitamin E (tocopherols) in seed oil at 340–680 mg/kg oil, primarily gamma-tocopherol. Protein content in defatted seed meal: 15–20% by weight, containing essential amino acids including lysine (~3.5 g/100g protein) and methionine (~1.8 g/100g protein). Dietary fiber in whole seeds: 10–14% dry weight (mix of soluble and insoluble). Minerals in seeds include calcium (~100 mg/100g), phosphorus (~550 mg/100g), potassium (~520 mg/100g), magnesium (~65 mg/100g), and iron (~3.5 mg/100g). Phytosterols in seed oil at 2,500–4,500 mg/kg, predominantly beta-sitosterol. BIOAVAILABILITY NOTES: HSYA demonstrates moderate oral bioavailability (~15–30%) with peak plasma concentration at 30–60 minutes post-ingestion; bioavailability enhanced when consumed with warm water per traditional preparation. Linoleic acid from safflower oil shows high bioavailability (~95%). Flavonoid glycosides require gut microbial hydrolysis for aglycone release, reducing effective absorption to an estimated 10–25% of ingested dose. Fat-soluble vitamin E bioavailability from the oil is estimated at 50–80%, improved with concurrent dietary fat intake.
Safflower's bioactive compounds, particularly Hydroxysafflor yellow A (HSYA) and serotonin-based alkaloids, neutralize reactive oxygen species through direct antioxidant activity. The quinochalcone compounds modulate inflammatory pathways by inhibiting pro-inflammatory cytokine production. These flavonoid derivatives work synergistically to protect cells from oxidative damage and reduce inflammatory responses.
Current evidence for safflower comes primarily from in-vitro studies demonstrating antioxidant activity of its 50+ flavonoid derivatives. Traditional pharmacological studies have identified anti-inflammatory effects of quinochalcone compounds, specifically HSYA. Human clinical trials are limited, with most research conducted in cell culture and animal models. The evidence quality remains preliminary, requiring more robust human studies to confirm therapeutic benefits.
Safflower is generally recognized as safe when used as a food ingredient or traditional medicine. Potential side effects may include allergic reactions in individuals sensitive to plants in the Asteraceae family. Safflower may interact with anticoagulant medications due to its potential blood-thinning properties. Pregnancy and breastfeeding safety has not been established through clinical studies, so use should be avoided during these periods.
