Striga Extract Powder
Overview
Striga extract powder is derived from Striga spp., a genus of parasitic plants commonly known as witchweed. It is primarily used in traditional African and Asian medicine for treating ailments like digestive disorders and fever. Modern research focuses on its allelopathic compounds, particularly strigolactones, which influence plant-microbe interactions. As a botanical extract, its composition varies based on the source plant species, extraction method (e.g., ethanol/water extraction), and post-processing techniques. The powder is valued in agrochemical research for studying parasitic plant behavior and developing biocontrol agents.
Physical and Chemical Properties
The powder typically exhibits hygroscopic properties due to its phytochemical content, requiring careful storage to prevent clumping. Its color ranges from light yellow to dark brown, depending on the concentration of flavonoids and tannins. Strigolactones, the key bioactive compounds, are heat-sensitive and degrade above 60°C. Analytical methods like HPLC and GC-MS are used to quantify its active components. The extract shows moderate solubility in polar solvents, with ethanol being the preferred medium for industrial extraction. pH ranges between 5.5–6.5 in aqueous solutions.
Main Applications
In agriculture, the powder serves as a natural stimulant for studying root parasitism in crops like maize and sorghum. Its strigolactones are pivotal in understanding plant signaling pathways. Pharmaceutical applications include preliminary research on anti-inflammatory and antimicrobial properties. Traditional healers use it in powdered or decoction forms for ailments such as infant colic and liver conditions. Some cosmetic manufacturers explore its potential as a natural preservative due to phenolic content. Research-grade extracts command higher prices for controlled studies.
Safety and Storage
While generally low in toxicity, prolonged exposure may cause respiratory or dermal irritation. Suppliers must provide SDS documentation outlining handling precautions. Storage requires protection from UV light and humidity to preserve bioactive integrity. For laboratory use, aliquoting into smaller vacuum-sealed packs is recommended to minimize oxidation. Transport should follow ambient temperature protocols unless specified otherwise by stability studies. Regulatory status varies by region; EU and USDA organic certifications add value for international trade.
B2B Procurement Guide
Bulk buyers should prioritize suppliers with transparent supply chains, ideally those cultivating Striga under controlled conditions to ensure consistency. Key purchase criteria include HPLC reports quantifying strigolactone content (typically 0.1–2% for commercial grades) and absence of heavy metals. MOQs usually start at 1 kg for research-grade material, with discounts available at 10+ kg orders. Spot purchases may incur 20–30% price premiums. Consider Incoterms like CIP for international shipments to mitigate damage risks. Seasonal availability peaks post-harvest (Q3–Q4).
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