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Peanut Oil BP EP USP Pharma Grade stands out as a highly refined, natural oil extracted from the kernels of the Arachis hypogaea, better known as the peanut plant. Its careful purification process meets strict pharmacopeial standards outlined by the British Pharmacopoeia (BP), European Pharmacopoeia (EP), and United States Pharmacopeia (USP). These benchmarks help guarantee the oil’s purity, safety, and quality for pharmaceutical manufacture and medical applications. Clear and pale yellow in color, this liquid brings a mild, neutral aroma that gives users confidence about its stable composition and shelf life. Used in its liquid form, you won’t find it in late powders, crystals, or flakes. That liquid state means it performs consistently both as a solvent and as a carrier oil.
This pharmaceutical-grade oil flows freely at room temperature, showing a specific gravity ranging from 0.910 to 0.920 g/cm³. Its refractive index sits between 1.460 and 1.466 at 20°C, and the oil’s viscosity helps deliver actives without separation or clumping. Chemically, it’s made mostly of triglycerides, with a high content of unsaturated fatty acids such as oleic and linoleic acid, and smaller amounts of saturated fatty acids like palmitic and stearic acid. The molecular formula for a typical triglyceride unit, C₅₇H₁₀₄O₆, gives insight into its building blocks, but its real-world complexity comes from the variation in specific fatty acids present. At the practical end, its boiling point reaches around 300°C, with a smoke point well above most average room and body temperatures, making it stable for heat-involved drug processing. As it’s not a flake, powder, or solid, the raw material remains fluid, measured by the liter—rarely ever by weight in the pharmaceutical context.
Having worked side by side with formulators, I’ve seen peanut oil serve as a vehicle for oily injections, topical ointments, and vitamin-based capsules. The pharmaceutical grade ensures that residual proteins and impurities from peanuts are almost entirely removed, reducing the risk of allergenic reactions. Some vaccines rely on this type of oil to help create a depot effect, slowing down how quickly the body absorbs the active ingredient. Because of its high molecular stability and mild taste, it fits both oral and parenteral preparations. Its main job—carrying fat-soluble drugs and vitamins, like A, D, and E—comes down to this robust structure and safe profile. Laboratories rely on its defined characteristics, such as a peroxide value typically lower than 10 meq O₂/kg, acid value under 0.5 mg KOH/g, and negligible moisture content.
A key factor in its pharmaceutical acceptance comes from defined, published specifications. Its HS Code for international commerce typically reads 1515.90.21 or related, designating it among other vegetable-derived pharmaceutical preparations. Rigorous testing ensures free fatty acid levels remain below the pharmacopeial threshold, so batch consistency remains high. Residual solvents are almost undetectable, as required by global regulations. Transparency also extends to trace metals, pesticide residues, and possible microbial contamination—each kept far below safety limits. Manufactures get audited and must maintain full traceability, with certificates of analysis detailing every chemical and physical parameter.
With every batch, attention to safety rules matters. Although refined to remove proteins, the potential for peanut allergy never drops to zero—which makes allergen labelling essential, even for pharma-grade lots. The oil carries no significant hazardous or harmful properties in usual handling, and isn’t classed among hazardous substances for transport or storage. Glass, stainless steel, or certain food-grade plastics serve best for storage, keeping the oil stable and free of contamination. Keeping it away from sunlight, in a well-sealed, inert container, helps extend shelf life and maintain intended quality for pharmaceutical compounding. Safety data sheets—handed out with shipments—chart low acute toxicity, no carcinogenicity, and no known chronic effects, based on data from peer-reviewed scientific journals and regulatory decisions.
Working in the field, a few hurdles come to mind. Consistency between batches, especially with a natural product like peanut oil, sometimes stirs up concern. Environmental factors, crop variation, and supply chain disruptions mean manufacturers should stick with robust, validated controls and maintain multiple sources for raw peanuts. Another concern is peanut allergy. Even with extreme purification, trace proteins can remain. To address this, suppliers run highly sensitive assays and pharmaceutical companies screen out batches that risk crossing the line. Global regulatory frameworks serve as a backstop: if you don’t meet the strictest standards, products just don’t go to market. Regular re-analysis and batch testing keep everyone honest, and patient safety comes first.
Quality starts at the source. Only peanuts grown under controlled conditions—free from pesticides and heavy metals—go into the pharma-grade supply chain. Crop rotation, soil health, and water quality all play a role in reducing aflatoxins and other unwanted impurities. Handlers and processors keep raw nuts segregated from food-grade or industrial streams. Refining strips out unwanted tastes, aromas, and colors, leaving behind only the oil meeting strict fractional distillation and purification specs. Traceability requires solid documentation from farm to final packaged oil. Certificates from origin to finished bottle document the journey and let auditors check for compliance at every step.
Choosing pharmaceutical-grade peanut oil means picking a carefully processed, highly regulated raw material shaped for safety and reliability. Facts, transparency, and a rigorous focus on potential allergens back up its use. Extensive testing, traceability, and continued scrutiny ensure it serves as a cornerstone—in both finished drugs and the broader pharmaceutical supply chain.
Chengguan District, Lanzhou, Gansu, China
