Overview
Pine Nut Kernel Extract is obtained through cold pressing or solvent extraction of edible pine nuts (Pinus koraiensis, Pinus sibirica, etc.). It contains a unique profile of polyunsaturated fatty acids, including pinolenic acid (18:3 Δ5,9,12), which distinguishes it from other plant oils. The extract has gained attention in functional foods and cosmeceuticals due to its appetite-suppressing effects (via CCK hormone stimulation) and skin-barrier enhancement properties. Siberian pine nut extract, in particular, is prized for its high bioactive compound concentration.
Physical and Chemical Properties
The extract's composition varies by pine species and extraction method. Typical lipid profiles show 14-20% pinolenic acid, 45-50% linoleic acid, and 20-25% oleic acid. The presence of tocopherols (vitamin E) provides natural oxidative stability. Spectroscopic analysis reveals characteristic peaks at 220-280 nm due to phenolic compounds. The acid value should be <5 mg KOH/g, and peroxide value <10 meq/kg for food-grade extracts. Cold-pressed versions retain more volatiles like terpenes compared to hexane-extracted variants.
Main Applications
In nutraceuticals, the extract is formulated for weight management supplements, leveraging pinolenic acid's satiety effects. Clinical doses range from 2-6 g/day. Cosmetic applications include anti-aging serums (5-10% concentration) for its ceramide-like moisturizing properties. The food industry uses it as a gourmet oil (smoke point ~160°C) and natural preservative. Emerging research explores its anti-inflammatory effects in arthritis formulations. Industrial buyers should note that EU Novel Food approval may be required for certain applications.
Safety and Storage
While generally safe, cross-reactivity with pine pollen allergies has been documented. Recommended workplace exposure limits follow general vegetable oil guidelines (10 mg/m³ inhalable particulate). Oxidative rancidity is the primary degradation pathway. Nitrogen-flushed packaging extends shelf life to 24 months at 4°C. For bulk procurement, request certificates for aflatoxin (<4 ppb) and pesticide residues (EU MRLs compliance).
B2B Procurement Guide
Key specifications to evaluate include: pinolenic acid content (%GC), extraction method (CO2 vs. ethanol), and organic certification (USDA/EU). Top producing regions are Siberia (P. sibirica) and Northeast China (P. koraiensis). For cosmetic-grade extracts, demand IP/BP/USP testing protocols. Bulk shipments typically use 25 kg HDPE drums with desiccants. Sample testing should confirm organoleptic properties (mild pine aroma, no rancidity) and microbiological purity (TAMC <1000 CFU/g).
Related Manufacturers
- 主营：黄芪提取物、沙棘提取物、大枣多糖、薏苡仁提取物、山楂提取物、山药提取物、枸杞提取物、甘草提取物、人参提取物、丹参提取物、柴胡提取物、牛蒡根提取物、白芍提取物、车前子提取物、益母草提取物、土茯苓提取物、百合提取物、决明子提取物、菊粉、大豆蛋白、胶原蛋白肽、大枣粉、山药粉、生姜提取物
- 主营：甘氨酸、儿茶黑、水苏糖、松子仁提取物、红曲黄、可可壳、脆皮素、维纶胶、五香粉、硫酸锰、相苷酶、肌氨酸、除腥剂、烟酰胺、牛磺酸、褪黑素、碳酸镁、温轮胶、脯氨酸、叶绿素、冰乙酸、酸性红、淀粉钠、脂肪酶、大蒜粉、右旋糖
- 主营：果粉、浸膏、生粉、松子仁提取物、蛋白粉
- 主营：甜味剂、乳酸钙、蛋黄粉、葡萄糖、褪黑素、苹果酸、着色剂、番茄红、小球藻粉、粉末颗粒、补铁元素、全脂奶粉、糖果蛋糕、富硒酵母、饼干面包、固体饮料、富锌酵母、富铬酵母、维生素d3油、维生素d2粉、乙基香兰素、食品添加剂、烘焙添加剂、β-胡萝卜素、糖硫酸钠盐
- 主营：瓜尔豆胶、黄原胶、羧甲基纤维素钠、松子仁提取物、丙酸钙、双乙酸钠、三氯蔗糖、安赛蜜、木糖醇、呈味核苷酸二钠、酵母提取物、螺旋藻粉、甘氨酸、复合维生素、柠檬酸、苹果酸
- 主营：新资源食品原料、动植物提取物
- 主营：食品原料、动物提取物