Overview
Carnation extract is derived from the petals of Dianthus caryophyllus, a flowering plant native to the Mediterranean. It has been historically valued for its pleasant fragrance and therapeutic properties. Modern extraction techniques, such as supercritical CO2 or ethanol extraction, yield concentrated bioactive compounds including flavonoids, saponins, and essential oils like eugenol. In B2B markets, the extract is supplied as a standardized liquid or powder. Its popularity stems from its versatility in cosmetic formulations and alignment with clean-label trends. Buyers should prioritize suppliers that provide transparency about sourcing (e.g., pesticide-free cultivation) and extraction methodologies.
Physical and Chemical Properties
The extract's color ranges from pale yellow to deep amber, depending on concentration and solvents used. Its consistency varies from viscous liquid to fine powder. Key active components include quercetin derivatives and anthocyanins, contributing to its antioxidant capacity (ORAC values typically 800–1,200 µmol TE/g). Thermal stability is moderate; prolonged exposure above 40°C may degrade heat-sensitive compounds. pH stability spans 4–8, making it compatible with most cosmetic bases. Chromatographic analysis (e.g., HPLC) is recommended to verify marker compounds like kaempferol-3-glucoside.
Main Applications
In skincare, carnation extract functions as a natural preservative booster and soothing agent, often incorporated into anti-aging serums (0.5–2% concentration) or sensitive skin formulations. The fragrance industry utilizes its floral notes in perfumes and candles. Nutraceutical applications include herbal supplements targeting stress relief, though clinical evidence remains limited. Emerging uses include biodegradable food packaging coatings due to antimicrobial properties. Formulators should note potential interactions with synthetic preservatives like parabens.
Safety and Storage
Regulatory status varies: EU CosIng lists it as safe for topical use, while FDA GRAS approval for ingestion is pending. Allergic reactions are rare but possible in individuals with Asteraceae family sensitivities. Material Safety Data Sheets (MSDS) typically classify it as non-hazardous. For bulk storage, stainless steel or HDPE containers are preferred to prevent leaching. Oxygen-sensitive components necessitate nitrogen flushing for powders. Cold chain logistics (-5°C to 15°C) are advisable for long-distance transport to preserve efficacy.
B2B Procurement Guide
Reputable suppliers should provide certificates of analysis (CoA) detailing microbiological limits (<100 CFU/g total count) and heavy metal content (e.g., <10 ppm lead). Minimum order quantities (MOQs) commonly start at 5 kg for pilot testing. Buyers are advised to audit extraction facilities for GMP compliance. Key negotiation points include customization (e.g., carrier oil base for liquid extracts) and exclusivity agreements for novel formulations. Sample evaluation should assess odor profile consistency and solubility in target matrices.
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