Nanjing Particle Boards Suppliers and Manufacturers

Choline Chloride, CAS no.67-48-1, dry powder manufacturing process by absorbing chloride liquid on a selected carrier ( Cereal carrier, such as corn cob meal, synthetic carrier, such as silica), and then drying to a lower moisture content. Choline Chloride is an important additive in feed especially for chickens where it accelerates growth, commonly used as a choline supplement in functional food applications. As an experienced Choline Chloride manufacturer and supplier, we has been supplying and exporting Choline Chloride for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Choline Chloride Specification Choline Chloride 50% Corn CobCholine chloride content: 50% min Loss on drying: 2% max TMA: 300PPM max Particle size (20 mesh): 95% min passesCholine Chloride 60% Corn Cob Choline chloride content: 60% min Loss on drying: 2% max TMA: 300PPM max Particle size (20 mesh): 95% min passesCholine Chloride 70% Corn CobCholine chloride content: 70% min Loss on drying: 2% max TMA: 300PPM max Particle size (20 mesh): 95% min passesCHOLINE CHLORIDE 50% SILICA Choline chloride content: 50% min Loss on drying: 16-19% TMA: 300PPM max Particle size (60 mesh): 95% min passesCHOLINE CHLORIDE 60% SILICACholine chloride content: 60% min Loss on drying: 17-20% TMA: 300PPM max Particle size (60 mesh): 95% min passes CHOLINE CHLORIDE 75% LIQUIDCholine chloride content: 75% min PH: 6.5-8 Ethylene glycol: 0.50% max Trimethylamine (TMA): 300 PPM max Ash: 0.20% max Heavy metal: 0.002% max

Disodium Phosphate Anhydrous, E339, CAS no. 7632-05-5, manufacturing process via chemcial synthesis, Phosphoric acid and Sodium hydroxide as raw materials. Disodium Phosphate Anhydrous is a white powder and granular substance that is basically odorless. It is used to adjust pH, emulsifier, improver, buffer, nutrient supplement, fermentation aid, binder, and chelating agent. As an experienced Disodium Phosphate Anhydrous manufacturer and supplier, we has been supplying and exporting Disodium Phosphate Anhydrous for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Disodium Phosphate Anhydrous Specification Product Name Disodium PhosphateDSP Disodium Phosphate Dihydrate DSP 2H2O Disodium Phosphate HeptahydrateDSP 7H2O Disodium Phosphate DodecahydrateDSP 12H2O Appearance White powder Crystal particles Crystal particles Crystal particles Disodium Phosphate Na2HPO4(on dried material) %(w/w) min 98.0 min 98.0 min 98.0 min 98.0 Water Insoluble %(w/w) max 0.2 max 0.2 max 0.2 max 0.2 Arsenic (As) mg/kg max 3 max 3 max 3 max 3 Heavy Metal (as Pb) mg/kg max 10 max 10 max 10 max 10 Fluoride (as F) mg/kg max 50 max 50 max 50 max 50 Loss on lgnition %(w/w) max 5.0 18.0-22.0 42.0-46.0 max 61.0

Urea CHEMICAL INDUSTRY Urea is a raw material forthe manufacture of twomain classes of materials:urea-formaldehyde resins and urea-melamine-formaldehyde used in marineplywood. AGRICULTURE More than 9O% of world industrial production of urea is destined for useas a nitrogen-release fertilizer. Urea has the highest nitrogen con-tent of all solid nitrogenous fertilizersin common use. Therefore, it has the lowest transpor-tation costs per unit of nitrogen nutri-ent Nitrogen 46% min Biuret 1.0% max Particle size 2.00-4.75mm 90%min Moisture 0.5% max Appearance green, yellow, free flowing,free from harmful substances If interested, please do contact with us for more details,product photos,product availability ,shipment time. we accept long and short term contracts. Please Kindly Contact Us With Your Email Address For More Information.

Gellan Gum, E418, CAS no.71010-52-1, a bacterial exopolysaccharide, produced by aerobic submerged fermentation from Sphingomonas elodea. It is as emulsifier, suspension agent, thickener, stabilizer, gelling agent in food, such as jelly, white sugar, beverages, dairy products, jam products, bread padding, surface lubricant, candy, icing and seasonings. With good gelling property, gellan gum has gradually replaced the use of Agar and Carrageenan at present. As an experienced High Acyl & Low Acyl Gellan Gum manufacturer and supplier, we has been supplying and exporting High Acyl Gellan Gum (white powder) and Low Acyl Gellan Gum(dark yellow powder) for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Low Acyl Gellan Gum Specification Items Index Appearance White powder Gellan Gum content(%) 85.0 108.0 Loss on drying(%) 15.0 Lead(mg/kg) 2.0 Particle size(%) 60 Mesh 95 Transparency(%) 85 Gel strength(g/) 800 Ash(%) 15 PH(1% Solution) 5.0 7.0 Bacterium account(CFU/g) 10000 Coliforms(MPN/100g) 30 Yeast and mould(CFU/g) 400 Salmonella 0/25g High Acyl Gellan Gum Specification Item Specification Appearance Yellowish powder. Particle Size(%) 80mesh 98 Loss on Drying /(%) 14 pH(0.5%Solution) 4.0-7.0 Ash(%) 10 Lead(Pb)/(mg/kg) 2.0 Isopropyl Alcohol/(mg/kg) 750 Suspension Test Pass Aerobic Bacterial Count(CFU/g) 10000 Coliforms (MPN/100g) 30 Yeast and Mold (CFU/g) 400 Salmonella Not Detected

Monosodium Phosphate, E339, CAS no.7558-80-7, a sodium salt of Phosphoric Acid, colorless and odorless crystal. Monosodium Phosphate often used as a pH buffer, characteristic improving agent, emulsifier, nutritional supplement, anti-oxidant, brine penetrable agent, sugar clarifier, and stabilizer in bread and cheese. As an experienced Monosodium Phosphate manufacturer and supplier, we has been supplying and exporting Monosodium Phosphate for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Monosodium Phosphate Specification Product Name Monosodium Phosphate Anhydrous MSP Monosodium Phosphate MonohydrateMSP.H2O Monosodium Phosphate Dihydrate MSP.2H2O Appearance White Powder Crystal Particles Crystal Particles Monosodium Phosphate NaH2PO4 (on dried material) %(w/w) 98.0-103.0 98.0-103.0 98.0-103.0 Water Insoluble %(w/w) max 0.2 max 0.2 max 0.2 Arsenic (as) mg/kg max 3 max 3 max 3 Heavy Metal (as Pb) mg/kg max 10 max 10 max 10 Fluoride (as F) mg/kg max 50 max 50 max 50 PH (1% aqueous solution) 4.4+0.2 4.4+0.2 4.4+0.2 Loss on lgnition %(w/w) max 2.0 10.0-15.0 20.0-25.0

Appearance White or Light Yellow Emulsion pH 6.5-8.5 Emulsion Lonic Weak Anionic Appropriate Thinner 10-30 â?? Water Thickening Standard GB/T 26527-2011 Organic Silicon Defoamer 1. The defoamer is composed of polysiloxane, modified polysiloxane, silicone resin, white carbon black, dispersing agent and stabilizer, etc. 2. At low concentrations, it can maintain good elimination bubble suppression effect. 3. Foam suppression performance is prominent 4. Easily dispersed in water 5. The compatibility of low and foaming medium 6. To prevent the growth of microorganisms Advantage It is composed of dispersant and stabilizer, low dosage, good acid and alkali resistance, stable chemical properties, easy to disperse in water, effectively prevent bacterial growth. The properties are stable during storage. Application 1. Papermaking chemical pulping high temperature vacuum or pressure in the defoaming in pulp washing machine 2. When the alkali refining agent of textile industry, inhibit elimination of treatment before 3. Circuit board cleaning 4. Oil mud defoaming in the process of mining 5. Textile printing and dyeing processing 6. Agricultural chemicals

DATEM, E472e, CAS No.6027-23-2, also called diacetyl tartaric acid ester of mono- and diglycerides, food emusifier, a hydrochloride salt of Hordenine manufactured through chemical synthesis. It is an ivory white powder or particle solid. DATEM has the functions to emulsify, increase stabilization, improve preservation, prolong shelf life, and protect freshness, etc. It is mainly used as food emulsifier in bread, cake, butter, hydrogenated vegetable oil and vegetable oil powder. As an experienced DATEM manufacturer and supplier, we has been supplying and exporting DATEM for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. DATEM Specification ITEM STANDARD Appearance White or off-white solid Acid Value (mgKOH/g) 68 Ester Value (mgKOH/g) 410 Heavy Metals(pb) (mg/kg) 0.1mg/kg Glycerol (w/%) 15 Acetic Acid (w/%) 15 Tartaric Acid (w/%) 13

We are Isolated Pea Protein Manufacturers, Suppliers and Wholesalers in China. Based on our 15 years in food additives & ingredients market, we have a knowledge of China market and manufacturers. We can help our abroad customers save time selecting good manufacturers and update the current market in China. Isolated Pea Protein is high purity protein isolated from pea, available as Creamy yellow or yellow powder. Isolated Pea Protein is complete protein that contains all nine of the essential amino acids. As Isolated Pea Protein Manufacturers, Suppliers and Wholesalers in China, we supply food and feed grade Isolated Pea Protein. Isolated Pea Protein Specification ITEM STANDARD RESULTS Apperance Light Yellow Conforms Crude Protein(Dry basis, Nx6.25) % 80.0 80.5 Moisture % 10 5.1 Ash % 8.0 3.2 Fat 3.0 1.2 Pb mg/kg 1.0 0.8 As mg 0.5 0.1 Crude Fiber % 0.5 0.15 Particle Size(Through 100 Mesh % 100 Conform PH(10%) 6.0-8.0 7.7 Total Plate Counts cfu/g 30000 Conform Coliform Bacteria MPN/100g 30 Conform Salmonella Negative Negative Moulds& Yeasts cfu/g 50 conform Escherichia Coli Negative Negative

Trisodium Phosphate, also known as TSP, E339, CAS no.7601-54-9, soluble in water, together with monosodium phosphate, disodium phosphate used as antioxidant agents and have the E number E339. Trisodium Phosphate appears as a white powder or granular. It is used in meat food as a quality-improving agent, as an emulsifier for processed cheese, as a baking agent for cereals and as a buffer for processed foods. As an experienced Trisodium Phosphate manufacturer and supplier, we has been supplying and exporting Trisodium Phosphate for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Trisodium Phosphate Specification Product Name Trisodium Phosphate Anhydrous TSP Trisodium Phosphate Dodecahydrate TSP.12H2O Appearance White Powder Crystal Particle Trisodium Phosphate Na3PO4 (on dried material) %(w/w) min 97.0 min 97.0 Water Insoluble % (w/w) max 0.2 max 0.2 Arsenic (As) mg/kg max 3 max 3 Fluoride (as F) mg/kg max 50 max 50 Heavy Metal (as Pb) mg/kg max 10 max 10 Loss on lgnition % (w/w) max 2 45-57

Propyleneglycol alginate with best quality Cas 9005-37-2 Propyleneglycol alginate Basic information Product Name: Propyleneglycol alginate CAS: 9005-37-2 MF: (C9H14O70n MW: 0 Propyleneglycol alginate Chemical Properties Boiling point 886.32C (rough estimate) density 1.2096 (rough estimate) FEMA 2941 | PROPYLENE GLYCOL ALGINATE refractive index 1.7040 (estimate) solubility Soluble in dilute organic acids and water, forming stable, viscous, colloidal solutions at pH 3. Depending upon the degree of esterification, propylene glycol alginate is also soluble in aqueous ethanol/water mixtures containing up to 60% w/w of ethanol (95%). PH pH(1%, 25):3.5~4.5 CAS DataBase Reference 9005-37-2 EPA Substance Registry System Propylene glycol alginate (9005-37-2) Item Specifications Results Appearance White or light yellow powder Light yellow powder Degree of Esterification % 40% 86.20% Loss on drying % 20.0% 12.83% Insoluble ash% 1.0% 0.17% Viscosity 500-700 630mpa.s Particle size(80 mesh) 98% Passing rate 98% PH 2.8-4.5 3.47 Pb (mg/kg) 5.0

Sodium Diacetate, E262,CAS no.126-96-5, Sodium Diacetate is a white crystalline powder with an acetic acid odor. Functions: Inhibits growth of micro-organisms; Aroma/flavour enhancing; pH control agent. As a buffering agent, sodium diacetate is used in meat products to control their acidity. As a food preservative, sodium diacetate used to inhibit the growth of various microorganisms in meat products, thus it can be used as a preservative and safeguard for food safety and shelf life extension. As an experienced Sodium Diacetate manufacturer and supplier, we has been supplying and exporting Sodium Diacetate for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Sodium Diacetate powder Specification Item Specification Appearance White, hygroscopic crystalline solid with an acetic odour Free Acetic Acid (%) 39.0- 41.0 Sodium Acetate (%) 58.0- 60.0 Moisture (Karl Fischer method, %) 2.0 Max pH (10% Solution) 4.5- 5.0 Formic acid, formates andother oxidizable (as formic acid) 1000 mg/ kg Particle Size Min 80% Pass 60 mesh Arsenic (As) 3 mg/ kg Lead (Pb) 5 mg/ kg Mercury (Hg) 1 mg/ kg Heavy Metal (as Pb) 0.001% Max

Product Name malic acid Appearance White crystal powder Particle Size 80 Mesh Certificate ISO9001/Halal/Kosher/GMP Storage Store in cool & dry place. Keep away from strong light and heat. Packing 1kg/Foil bag, 25kgs/Drum (Two plastic-bags inside with Paper-drums), Or as per customer's requirements.) Shelf Life 2 years under well storage situation. L-malic acid is an important component of natural fruit juice. Compared with citric acid, it has high acidity (the acidity is 20% stronger than citric acid), but the taste is soft (has a higher buffer index), has a special fragrance, and does not damage the mouth and teeth. It is metabolically beneficial to the absorption of amino acids and does not accumulate fat. It is a new generation of food soursing agents. It is hailed as "the most ideal food soursing agent" by the biological and nutritional circles. Since 2013, it has been replacing citric acid in food for the elderly and children.

Potassium Benzoate, E212, CAS no.582-25-2, the potassium salt of Benzoic acid, a white, odorless, flaky, crystalline powder, soluble in water. Potassium Benzoate manufacturing process via chemical synthesis, toluene and potassium hydroxide as raw materials. It uses as food preservative that inhibits the growth of mold, yeast and some bacteria. It works best in low-pH products, such as PH 4.5. As an experienced Potassium Benzoate manufacturer and supplier, we has been supplying and exporting Potassium Benzoate for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Potassium Benzoate powder food grade Specification Product Potassium Benzoate CAS 582-25-2 (anhydrous) INS 212 Structure Molecular formula C7H5KO2 3H2O Properties White particles, flakes or crystalline powder.Odorless, melting point 121.5 123.5 , soluble in water and ethanol. Quality Specification Standard Item JECFA97 FCC V USP35-NF30 Content(dry basis) 99% 99.0%~100.5% 99.0%~100.5% Alkalinity (as KOH) passed test 0.06% passed test Lead 2 mg/kg 2 mg/kg Water (105, 4h) 26.5% 1.5%. 1.5%. Heavy metals - - 0.001% Cl(as chlorine) 0.07%- Easy oxide test passed test Application 1.Used as food preservative and antimicrobial agent mainly for artificial butter,wine . 2.Used as a preservative, antimicrobial agent in food industry. 3.Analytical reagent. Can also be used as tweet agent of fireworks material. Dosage Refer to the amount of sodium benzoate. Packaging Net weight: 25kg,paper-plastic bag or woven bag lined with PE bag,can also be customized according to the customer's requirements of packaging. Storage Stored in cool, dry and ventilated place.Must not be loaded and transported with toxic, hazardous and polluting substances.

Locust Bean Gum, E410, CAS no.9000-40-2, a galactomannan vegetable gum extracted from the seeds of the carob tree. Locust Bean Gum appears as a white to yellow-white powder, and is often used as a thickening agent and gelling agent. It has a sweet flavor similar to chocolate, and is mainly used to sweeten ice cream, cream cheese, transparent jellies, infant formulas, skin care products. Locust bean gum significantly improves gel strength and texture and prevents syneresis when used in combination with Carrageenan. Its unique synergy with Xanthan gum provides clear advantages such as highly elastic gel formation from two thickening agents with a very limited syneresis. As an experienced Locust Bean Gum manufacturer and supplier, we has been supplying and exporting Locust Bean Gum for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Locust Bean Gum Specification ITEM STANDARD Appearance White to yellow-white, nearly odorless powder Particle Size 95% Pass 100 mesh Galactomannans â?¥ 75% Viscosity (1%, 25â??, mPa.s) â?¥ 2500 PH 5.4- 7.0 Moisture 14% Max Acid-Insoluble Matter 4% Max Protein 7.0% Max Ash 1.2% Max Starch Negative Arsenic (as As) 3 mg/ kg Max Lead 5 mg/ kg Max Heavy Metals (as Pb) 10 mg/kg Max E.Coli/ 5g Negative Salmonella/ 25g Negative Mould & Yeast 500 cfu/ g Total Plate Count 5000 cfu/ g

Guar Gum, E412, CAS no.9000-30-0, food thickener, a polysacharide (a long chain made of sugars) made of the sugars galactose and mannose. Guar Gum appears as a free-flowing, off-white colored, coarse to fine ground powder. It is used in bakery, dairy products, it thickens milk, yogurt, kefir, and liquid cheese products. When mixed with Xanthan gum or Locust bean gum, the viscosity is more than when either one is used alone, so less of each can be used. As an experienced Guar Gum manufacturer and supplier, we has been supplying and exporting Guar Gum for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Guar Gum powder Specification ITEM STANDARD Appearance A white to yellowish-white, nearly odourless powder Galactomannans 80% Viscosity (1%, 2h, Brookfield DVII, #4 spindle, 20rpm) 5500 mPa.s Viscosity(1%, 24h, Brookfield DVII, #4 spindle, 20rpm) Min 300 mPa.s higher than viscosity recorded in 2 hours Particle Size 95% Pass 200 Mesh pH 5.5- 7.0 Moisture 12% Max Protein 5% Max Starch Passes test Acid-Insoluble Residue 2.5% Max Ash 0.8% Max E.Coli/ 5g Negative Salmonella/ 10g Negative Mould & Yeast 200 cfu/ g Total Plate Count 1000 cfu/ g

Citrus & Apple Pectin powder, E440, CAS no.9000-69-5, Pectin is used as a gelling agent in a wide range of fruit-based products, such as jams, marmalades, jellies, fruit preparations for yoghurts and desserts and fruit filling for bakery products. Pectin is used in confectionery jellies to give a good gel structure and a clean bite. The typical dosage of pectin in food applications is between 0.5 â?? 1.0%. As an experienced Citrus & Apple Pectin manufacturer and supplier, we has been supplying and exporting High methoxyl pectin, DE (Degree of methyl Esterification ) higher than 50 and low methoxyl pectin pectin, DE lower than 50 food grade. for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. High methoxyl pectin/Low methoxyl pectin Specification Degree of esterification >50 or 65 % pH of 1% solution 2.8-3.3 Loss on drying, %

Microcrystalline Cellulose, MCC, E460, CAS no.9004-34-6 is partially depolymerized cellulose prepared by treating alpha-cellulose, obtained as a pulp from fibrous plant material, with mineral acids, and it appears as a fine white to off-white powder. It is used as a texturizer, an anti-caking agent, emulsifier in pasteurized cream, fermented milk, cheese, processed fruit, dried vegetables, etc. As an experienced Microcrystalline Cellulose manufacturer and supplier, we has been supplying and exporting Microcrystalline Cellulose for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Microcrystalline Cellulose Specification ITEM STANDARD Appearance A fine white or almost white odorless powder Particle size 98% pass 120 mesh Assay (as �±- cellulose, dry basis) 97% Water-soluble matter 0.24% Sulphated ash 0.5% pH (10% solution) 5.0- 7.5 Loss on drying 7% Starch Negative Carboxyl groups 1% Lead 5 mg/ kg Arsenic 3 mg/ kg Mercury 1 mg/ kg Cadmium 1 mg/ kg Heavy metals (as Pb) 10 mg/ kg Total plate count 1000 cfu/g Yeast and mould 100 cfu/g E. coli/ 5g Negative Salmonella/ 10g Negative

Carrageenan, E407, CAS no.11114-20-8, is a hydrophilic colloid extracted from certain red algae seaweed, it can be divided into K-type (Kappa), I-type (Iota) and L-type (lambda). Carrageenan is often used in food as the thickening, gelatinizing, suspending, emulsifying and stabilizing agents. Uses: in Jelly: jelly made by carrageenan is full of elasticity and has no off-water property. Uses in Soft Sweets:The transparent fruit sweets made by carrageenan have rich fruit flavors and moderate sweetness. tasty, non-stick to teeth. make the products taste well, full of elasticity, have a small viscosity and improve the stability. Uses in Ice Cream: enables ice cream to have a fine, smooth texture and a good taste. As an experienced Kappa & Iota Carrageenan manufacturer and supplier, we has been supplying and exporting Kappa & Iota Carrageenan for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Carrageenan powder Specification Item Standard Appearance Cream white powder Particle Size 95% pass 120 mesh Total sulfate (%) 15~ 40 Loss on drying (%) 12 Water viscosity(1.5%, 75C, mPa.s) 20~ 200 Water gel(1.5%, 0.2%KCl, g/cm2) 1200 Transparence (%) 75 Arsenic (As) 3 mg/kg Lead (Pb) 5 mg/kg Cadium (Cd) 1 mg/kg Mercury (Hg) 1 mg/kg Total plate count 5000 cfu/g Yeast and moulds 300 cfu/g Salmonella spp./ 10g Negative Escherichia coli/ 5g Negative Pathogenic bacteria Negative

Xanthan gum 80mesh and 200mesh, cream white powder, E415, CAS no.11138-66-2, food thickener, biosynthetic rubber, mainly made of starch, manufacturing process through fermentation process using the microorganism Xanthomonas Campestrisis. Advantages than other gums: outstanding water solubility and high viscosity; excellent stability in temperature and PH value; Function and uses: Xanthan gum is a high performance thickener as the viscosity of 1% is about 100 times stronger than 1% gelatin solution. As an experienced Xanthan gum manufacturer and supplier, we has been supplying and exporting food grade Xanthan gum 80mesh and 200mesh for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Food grade Xanthan Gum 80mesh, 200mesh Specification ITEMS STANDARD Appearance white or cream-color and free-flowing powder Viscosity: 1% Xanthan Gum in 1% KCl Brookfield, LVTD,spindle 3.60rpm, 25 1200 1600 mpa.s Assay(on dry basis) 91.0 108.0% Loss on drying(105oC, 2hr) 6.0 12.0% V1 : V2: 1.02 1.45 Pyruvic Acid 1.5% min PH of 1% solution in water 6.08.0 Heavy metals(as Pb) 20 mg/kg max Lead(Pb) 5 mg/kg max Arsenic(As) 2 mg/kg max Nitrogen 1.5% max Ash 13% max Particle size 80 mesh: 100% min, 200 mesh: 92% min Total plate count 2000/g max Yeasts and moulds 100/g max Pathogens germs absence S. aureus Negative Pseudomonas aeruginosa Negative Salmonella sp. Negative C. perfringens Negative