Overview
Corn steep liquor powder is derived from the liquid by-product of corn wet-milling, which is concentrated and dried into a powder form. It is a cost-effective nutrient source widely utilized in industrial fermentation processes, including antibiotic production, enzyme synthesis, and bioethanol manufacturing. The powder retains the nutritional profile of its liquid counterpart, offering a balanced mix of amino acids, peptides, vitamins, and trace minerals. Its high solubility and bioavailability make it a preferred choice for microbial growth media and animal feed formulations.
Physical and Chemical Properties
Corn steep liquor powder typically appears as a light yellow to brown fine powder with a characteristic odor. It is hygroscopic, requiring careful storage to prevent clumping. The powder dissolves readily in water, forming a slightly viscous solution. Chemically, it is a complex mixture of organic and inorganic compounds, including nitrogenous substances (amino acids, peptides), carbohydrates, vitamins (B-group), and minerals like phosphorus and potassium. Its exact composition varies depending on the corn source and processing method.
Main Applications
In the fermentation industry, corn steep liquor powder serves as a nitrogen and vitamin source for microorganisms, enhancing yields in antibiotic (e.g., penicillin) and enzyme production. It is also used in bioethanol and citric acid fermentation due to its cost-efficiency. Beyond fermentation, it is incorporated into animal feed as a protein supplement and palatability enhancer. Some niche applications include its use in organic fertilizers and as a flavor enhancer in food processing, though the latter is less common.
Safety and Storage
While non-toxic, corn steep liquor powder may cause mild respiratory or skin irritation upon prolonged exposure. Dust control measures, such as wearing masks and gloves, are recommended during handling. Storage should prioritize dryness and cool temperatures to prevent moisture absorption and microbial growth. Bulk quantities are typically packaged in moisture-proof bags or containers. Shelf life is approximately 12-18 months under optimal conditions. Suppliers often provide certificates of analysis to ensure compliance with safety and quality standards.
B2B Procurement Guide
When procuring corn steep liquor powder, buyers should prioritize suppliers with transparent sourcing and processing methods. Key specifications to verify include total nitrogen content (typically 4-8%), solubility, microbial load (e.g., <10,000 CFU/g), and absence of contaminants like heavy metals. Price negotiation often depends on volume, with discounts available for bulk purchases. Buyers in the fermentation industry may request custom blends with standardized nutrient profiles. Logistics should account for the product’s hygroscopic nature to prevent spoilage during transit.
Related Manufacturers
- 主营：速溶硅酸钠、氯化钾、脱硝剂、小麦淀粉、糖蜜粉、EM菌粉、防冻粉、融雪剂、生化黄腐酸钾、过磷酸钙、山梨糖醇液、糖蜜、木质素磺酸钙、果葡糖浆、麦芽糖浆、氯化钙、葡萄糖、红糖、麦芽糊精、腐殖酸钠、过硫酸氢钾、高效减水剂、硫酸钾、矿源黄腐酸钾、防冻液
- 主营：双锥回转真空干燥机、耙式干燥机、盘式干燥机、闪蒸干燥机、喷雾干燥机、带式干燥机、桨叶干燥机、高效沸腾干燥机、振动流化床、滚筒刮板干燥机、沸腾制粒机、湿法制粒机、热风循环烘箱、三维混合机、二维混合机、方形真空干燥机、V型混合机、旋转制粒机
- 主营：谷氨酸渣、菌体蛋白、赖氨酸渣、血粉 闪蒸血粉、血球蛋白粉、血浆蛋白粉、血肽 水解血球蛋白粉、血红素蛋白粉、酶解鸡肝粉、大米蛋白粉、膨化羽毛粉、水解羽毛粉、多肽氨基酸原粉、鸡血粉、闪蒸血粉、玉米浆、膨化大豆粉、肥料级肉粉、蛋壳粉、玉米糖渣、预糊化淀粉粘合剂、葡萄糖酸钠母液、降鲜灵、酿酒酵母培养物、磷酸二氢铝
- 主营：硫酸铜、二甲苯、均染剂、除油粉、钼酸铵、液体肥、硫酸锌、乳化剂、锡酸钠、发黑液、叶面肥、混合菌、高碳醇、硫酸钴、络合剂、糖醇锌、醋酸铜、氯化钾、壳寡糖、叔丁醇、清洗剂、糖醇硅、海藻硼、醋酸钴、防锈油
- 主营：玉米浆干粉、饲料添加剂、饲料原料
- 主营：增氧片、氯化钾、硅溶胶、硅酸钠粉、氨基酸原粉、硫酸钾、碧水安、腐殖酸钠、速溶硅酸钠、国标醋酸钠、磷酸二氢钾、甲酸钠防腐剂、有机硅消泡剂
- 主营：硫代癸烷、化学试剂、总镍试剂、玉米浆粉、棕榈酸甲酯、正辛酸甲酯、仲丁基氯化镁、正庚基溴化镁、仲丁基溴化镁、棕榈酸异丙酯
- 主营：食品级玉米浆粉、分析纯试剂
- 主营：硫酸汞、硝酸汞、雷尼镍、滑石粉、二十烷、丁二酸、硫化银、正己醇、硫酸镉、铋酸钠、苯甲醇、硅酸钠、正辛酸、硫酸镁、磷钨酸、草酸锡、蓖麻油、椰子油、钒试剂、异辛醇
- 主营：1-苯丙醇、1-萘甲醚、科隆试剂、白色玉米浆粉分析纯、罗恩试剂、金刚烷醇、1-溴十八烷、2-恶唑烷酮、1-甲酰哌啶、2-氟苯甲醛、2-甲基吡嗪、2-氮己环酮、1-溴金刚烷、阿拉丁试剂、麦克林试剂、科密欧试剂、大小化工试剂
- 主营：饲料添加剂、豆粕、蛋白饲料、玉米、小麦麸皮次粉、猪饲料、鱼虾水产饲料、鸡鸭鹅水产养殖饲料、牛羊马鹿饲料、饲料原料、配合饲料、全价饲料
- 主营：生化试剂、蛋白与免疫、ELISA、生化试剂盒、染色试剂、微生物培养、感受态、细胞检测、抗体、抑制剂、助溶剂、分析对照品、标准品、蛋白预制胶、免疫组化、缓冲液、培养基、分离液、磁珠
- 主营：异硫氰酸胍、三(羟甲基)氨基甲烷tris、二硫苏糖醇(DTT)、β巯基乙醇、蛋白酶k、焦碳酸二乙酯DEPC、EDTA二钠、十二烷基苯磺酸钠
- 主营：黄金选矿剂、次氯酸钠、液碱、玉米浆干粉、漂白粉、氨水、乙醇、亚硫酸氢钠、氨基磺酸、氢氧化钾、亚氯酸钠、硅酸钠、尿素、次氯酸钙、氢氧化钠、碳酸钠、偏硅酸钠、冰醋酸、异丙醇、二氯甲烷、氟硅酸钠、亚硝酸钠
- 主营：锚固剂、硫酸铝、硫酸铜、漂白粉、玻璃粉、切削液、氧化铜、溴化钠、大苏打、导热油、腐植酸、净洗剂、活性炭、水杨酸、硫酸锰、茶皂素、丁酸钠、磷酸钙、甲酸钠、硬脂酸、消泡剂、酵母硒、磷酸铁、铵明矾、硫酸钡