Testing
GPAL testing and services are listed alphabetically. To find pricing, select the respective letter below.
To submit samples for testing, please be sure to include our Test Request Form with the sample(s). The form can be printed by selecting Submit a Sample.
Acid Value – $76
Acid-Insoluble Ash – $55
Acrylamide – $258
ADA (azodicarbonamide) – $67
Aflatoxin (Elisa) – $36
Aflatoxin (HPLC) – $88
Aflatoxin M1 (HPLC) – $118
Alkaline Water Retention – $46
Allergen, Almond – $67
Allergen, Egg – $67
Allergen, Gluten – $67
Allergen, Hazelnut – $67
Allergen, Histamine – $67
Allergen, Macadamia Nut – $67
Allergen, Milk (Casein) – $67
Allergen, Peanut – $67
Allergen Sesame – $67
Allergen, Shellfish – $67
Allergen, Soy – $67
Allergen, Treenut – $67
Allergen, Walnut – $67
Alpine Screen (Particle Size) – $41 (pdf)
Aluminum – $21
Aluminum (water) – $41
Alveograph – $72
Alveograph (semolina) – $103
Amino Acid Profile – $206
Amino Acid, Tryptophan – $206
Amylograph, Modified – $67
Amylograph, Standard – $67
Amylograph, Starch – $95
Amylose – $77
Anaerobic Plate Count – $36
Antimony – $21
Antimony (water) – $41
Appearance -sensory – $10.50
Arsenic (ppm) – $41
Arsenic (water) – $41
Ascorbic Acid – $72
Ash – $14.50
Bacillus Cereus – $36
Bake Data (1 lb., straight dough) – $62
Bake Data (Pup Loaf) – $46
Bake Data (Sponge & Dough) – $62
Bake Data (Straight Dough) – $62
Bake Matrix – Additives & Wheat Blends (call for quote) —
Bake Test – VWG (2 controls, 1 sample), call for quote for additional samples —
Barium – $21
Barium (water) – $41
Benzoyl Peroxide (titration) – $52
Beryllium (ppm) – $21
Beryllium (water) – $41
Beta Glucan Content – $103
Biochemical Oxygen Demand (BOD) – $52
Boron as Sodium Borate – $31
Bostwick Consistency – $31
Brix – $12.50
Buhler Yield (Experimental Milling) **Please review PDF prior to submitting sample** – $52 (pdf)
Bulk Density – $16.50
Cadmium – $21
Cadmium (water) – $41
Cake Data – $52
Cake Data-Angel Food – $77
Calcium – $21
Calcium (water) – $41
Calcium Propionate (as Calcium) – $52
Calories – $0
Carbohydrates – $0
Chloride (water) – $31
Chlorine, Total Free (water) – $22
Chlorine, Total Residual (water) – $26
Cholesterol – $103
Chromium – $21
Chromium (water) – $41
Citric Acid – $139
Citrinin by HPLC – $139
CO2, Residual -Chittick (Leavening) – $88
CO2,Total -Chittick (Leavening) – $67
CO2,Total -Chittick (Self-Rising Mix) – $72
Cobalt – $21
COD (Chemical Oxygen Demand) – $52
Coliforms (MPN) – $26
Coliforms (Petrifilm) – $17.50
Coliforms (water) – $17.50
Color (Hunter) L Value – $26
Color (Lovibond): – $36
Color (Minolta) – $21
Color (water) – $21
Color, Pekar – $15.50
Color, sensory – $10.50
Composite Samples -Tier 1 (2-5 bags) – $10.50
Composite Samples -Tier 2 (6-10 bags) – $15.50
Composite Samples -Tier 3 (11-15 bags) – $26
Composite Samples -Tier 4 (>15 bags) – $46
Cookie, Sugar Snap – $52
Copper – $21
Copper (water) – $41
Cyanide (Prussic Acid-HCN) – $103
Digital Image Analysis (included with bake) – $0
Digital Image Analysis per 0.5 hr. (no bake performed) – $52
Documentation Fee – $21
Dry Gluten (requires Wet Gluten to derive) – $16.50
E.coli (MPN) – $26
E.coli (O157H7) (Rapid) (per 25g) -PCR – $23
E.coli (O157H7) (Rapid) (per 325g) -PCR – $26
E.coli (O157H7)(Rapid) (per 375g) -PCR – $26
E.coli (Petrifilm) – $17.50
E.coli (water) (cfu/100 mL) – $26
Electrical Conductivity (water) – $10.50
Enterobacter – $26
Experimental Milling (Yield) (Buhler) **Please review PDF prior to submitting sample** – $52 (pdf)
Extensograph (1 pull not > 90 min.) – $88 (pdf)
Extensograph (multiple pulls 1 > 90 min.) – $124 (pdf)
Extensograph (multiple pulls not > 90 min.) – $103 (pdf)
Falling Number – $18.50
Farinograph – $41
Fat (Acid Hydrolysis) – $31
Fat (Ether Extraction) – $26
Fat by GC (includes Fatty Acid Profile) – $196
Fat by GC (Total, Sat., Mono., Trans & Omega 3, 6, 9 Profile) – $175
Fatty Acid Profile: – $196
Fecal Coliforms – $21
Fecal Coliforms (water) – $21
Fecal Streptococcus (25 g) – $21
Fecal Streptococcus (75 g) – $26
Fecal Streptococcus (water) – $21
Ferulic Acid – $139
Fiber, Acid Detergent – $52
Fiber, Acid Detergent – $52
Fiber, Crude – $31
Fiber, Neutral Detergent – $52
Folic Acid/Folate – $93
Foreign Substance/Foreign Material Identification – $165
Free Fatty Acids in Fats – $26
Free Fatty Acids in Foods – $41
Fumonisin (Elisa) – $46
Fumonisin (HPLC) – $118
Gluten Index (requires Wet Gluten to derive) – $16.50
Glyphosate (Elisa) >6 samples $80 / 1-6 samples $160 (note: for LC/MS/MS method, see Pesticide Screen 11) Grade – $13.50
Grade Factor, Additional -Blacktip Fungus – $7.25
Grade Factor, Additional -Broken Corn – $7.25
Grade Factor, Additional -Castor Seeds – $7.25
Grade Factor, Additional -Crotalaria Seeds – $7.25
Grade Factor, Additional -Dark, Hard & Vitreous – $7.25
Grade Factor, Additional -Ergot – $7.25
Grade Factor, Additional -Foreign Material – $7.25
Grade Factor, Additional -Heat – $7.25
Grade Factor, Additional -Inorganic Matter – $7.25
Grade Factor, Additional -Insect Count – $7.25
Grade Factor, Additional -Insect-Damaged Kernels – $7.25
Grade Factor, Additional -Mold-Damaged Kernels – $7.25
Grade Factor, Additional -Odor – $7.25
Grade Factor, Additional -Sprout Damage – $7.25
Grade Factor, Additional -Stress Cracks – $7.25
Grade-Beans – $52
Grade-Rice (brown-no hull) – $52
Grade-Rice (milled) – $41
Grade-Rice (rough rice w/hull) – $62
Heavy Metal Screen #1 (As, Cd Pb, Hg) – $191
Heavy Metal Screen #2 (Sb, As, Cd, Hg, Pb) – $175
Heavy Metal Screen #3 (As, Ba, Be, Cd, Cr, Pb, Hg, Ni, Se, Ag) – $216
Hexanal in Headspace – $155
Insoluble Impurities – $36
Iodine – $21
Iodine Value by Titration – $52
Iron – $21
Iron (water) – $41
No tests for J
Karnal Bunt – $124
Kernel Size Distribution – $28
Lactic Acid Bacteria – $36
Lead – $41
Lead (water) – $41
Listeria (Rapid) (per 25g) -PCR – $26
Listeria (Rapid) (sponge, swab) -PCR – $26
Listeria (water) (Rapid) (per 25 mL) -PCR – $26
Listeria Monocytogenes (Rapid) (per 25g) PCR – $26
Magnesium – $21
Magnesium (water) – $41
Manganese – $21
Manganese (water) – $41
Melamine – $155
Melamine Screen (Melamine, Ammeline, Ammelide, Cyanuric) – $216
Melting Point, Capillary – $82
Mercury – $82
Mercury (water) – $41
Mesophilic Spores – $36
Mettler Drop Point – $82
Mixograph – $41
Moisture – $13.50
Moisture & Total Solids – $21
Moisture & Volatiles (oil) – $31
Moisture (2-Stage) – $17.50
Moisture, Karl Fischer – Varies per sample type; please contact lab.
Moisture, Vacuum Oven – $17.50
Mold Count – $15.50
Mold ID (genus only) – $25
Mold, Xerophilic – $21
Molybdenum – $21
Neutralizing Value (of acid-reacting materials) – $72
Nickel – $21
Nickel (water) – $41
Nitrogen, Nitrate (water) – $11.50
Nitrogen, Nitrite (water) – $11.50
Nutritional (g/100g) (please provide serving size) – $824
Ochratoxin A (Elisa) – $36
Ochratoxin A (HPLC) – $82
Odor-sensory – $10.50
Oil Stability Index (OSI) – $88
Particle Size Index – $41
Pasta Cooking Quality – $62
Pelshenke Test – $72
Peroxide Value (Fats) (Saftest) – $26
Peroxide Value (Fats) (titration) – $26
Peroxide Value (Foods) (Saftest) – $41
Peroxide Value (Foods) (titration) – $41
Pesticide Screen 01 – $129 (pdf)
Pesticide Screen 02 – $129 (pdf)
Pesticide Screen 03 – $206 (pdf)
Pesticide Screen 04 – $180 (pdf)
Pesticide Screen 05 – $113 (pdf)
Pesticide Screen 06 – $206 (pdf)
Pesticide Screen 07 – $309 (pdf)
Pesticide Screen 08 – $206 (pdf)
Pesticide Screen 09 – $309 (pdf)
Pesticide Screen 10 – $155 (pdf)
Pesticide Screen 11 (Glyphosate) – $250 (pdf)
Pesticide Screen 12 – $155 (pdf)
Pesticide Screen 13 – $309 (pdf)
pH – $8.25
Phosphorus – $21
Phosphorus (Oil) – $52
Photography (per hour) – $103
Phytic Acid – $175
Potassium – $21
Potassium (water) – $41
Potassium Bromate – $21
Potassium Sorbate – $134
PPO (Polyphenol Oxidase) (discounted for additional samples) – $26
PPO (Polyphenol Oxidase) (first sample) – $52
Product Disposal Fee – $52
Propionic Acid – $88
Protein by Combustion – $17.50
Protein Loss – $0
Proteolytic Bacteria Count – $14.50
Pseudomonas – $21
Qualitative Enrichment (+/-) – $17.50
Recalculation Fee / Additional Calculations – $31
Resistant Starch – $216
Risograph – $155
Rope Spores – $46
Rotap Screens (Particle Size) – Please list screens – $41 (pdf)
RVA Results (Rapid Visco Analyzer) – $88
Salmonella (Rapid) (25g) -PCR – $23
Salmonella (Rapid) (375g) -PCR – $36
Salmonella (Rapid) (750g) -PCR – $72
Salmonella (Rapid) (sponge) -PCR – $23
Salmonella (water) (Rapid) (per 25mL) – $23
Sample Prep Charge (Dilution, Grinding, Special Handling) – $12.50
Sand & Grit – $26
Sanitation (Insect Fragments, Extraneous Matter, etc.) – $62
Saponification Value – $62
Sedimentation (Zeleny) – $31
Selenium – $21
Selenium (water) – $41
Sesame Seed Surface Oil – $41
Silver (ppm) – $21
Silver (water) – $41
Single Kernel Characterization – $35
Sodium – $21
Sodium (water) – $41
Soluble Chlorides as Salt – $26
Solvent Retention Capacity: – $77
Sorbic Acid – $150
Speck Count – $26
Standard Plate Count (Aerobic Plate Count) – $14.50
Standard Plate Count (Heterotrophic) -water – $14.50
Standard Plate Count (sponge) – $14.50
Staphylococcus Aureus (Coag.Pos.) – $14.50
Staphylococcus Aureus (Coag.Pos.)-water – $14.50
Starch Damage – $41
Sugar Profile (maltose, dextrose, fructose, sucrose, lactose) – $108
Sugar, Total as Invert (TSI) – $31
Sugars, Reducing – $31
Sulfate (water) – $15.50
Sulfite (Modified Monier-Williams Method) – $175
Sulfur – $21
Sweet Dough Bake Test – $72
T2 Toxin (Elisa) – $31
T2 Toxin (GC) – $118
Tannin – $41
Taste-sensory – $10.50
TCK (dwarf bunt) – $124
Test Weight – $12.50
Texture Analysis (various options; call for quote) —
Texture-sensory – $10.50
Thallium – $21
Thermophilic Spores – $62
Thousand Kernel Weight – $15.50
Tilletia – $124
Tilletia Laevis – $124
Tilletia Tritica – $124
Tin – $21
Total Alkalinity – $31
Total Dietary Fiber (Soluble & Insoluble) – $118
Total Dissolved Solids (water) – $12.50
Total Organic Carbon (TOC) – $93
Total Starch – $41
Total Suspended Solids (water) – $12.50
Total Titratable Acidity – $21
Turbidity (water) – $10.50
Unsaponifiable Matter – $41
Urease Activity – $31
Vanadium – $52
Viscosity, Brookfield – $31
Vitamin A (as Beta Carotene) – $124
Vitamin A (as Retinol Palmitate) – $62
Vitamin B1 – $72
Vitamin B12 – $144
Vitamin B2 – $72
Vitamin B3 (Niacin) – $72
Vitamin B5 – $144
Vitamin B6 – $124
Vitamin B7 – $144
Vitamin C (Ascorbic Acid) – $72
Vitamin D – $268
Vitamin E, Alpha-Tocopherol – $165
Vitamin E, Total – $165
Vitamin K – $258
Vomitoxin (Elisa) – $36
Vomitoxin (HPLC) – $82
Water Activity – $31
Water Binding Capacity (requires wet gluten & dry gluten) – $10.50
Wet Gluten – $33
No tests for X
Yeast & Mold – $15.50
Yeast & Mold (Petrifilm) – $15.50
Yeast & Mold (water) – $15.50
Yeast & Mold, Osmophilic – $31
Yield (Experimental Milling) (Buhler) **Please review PDF prior to submitting sample** – $52 (pdf)
Zearalenone (Elisa) – $52
Zearalenone (HPLC) – $82
Zinc – $21
Zinc (water) – $31
