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OCR for page 366
Appendix G
U.S. Department of Agriculture-
Agricultural Marketing Service
Standards for Milk and Dairy Products
TABLE G-1 Microbiological Standards for Raw Milk for Manufacturing
Purposes
Bacterial Estimate
Classification
Direct Microscopic Count, Standard Plate Count, Plate Loop Count,
Pectin Gel Plate Count, Petrifilm Aerobic Count, Spiral Plate Count,
Hydrophobic Grid Membrane Filter Count, Impedence/Conductance
Count, or Reflectance Calorimetry
Herd milk
Commingled milk
Not over 500,000/mL
Not over 1,000,000/mL
SOURCE: Dairy Programs (2002).
366
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USDA-AMS STANDARDS FOR MILK AND DAIRY PRODUCTS
TABLE G-2 Updated Microbial Standards for Processed Milk Products: U.S.
Department of Agriculture Agricultural Marketing Service Standards for
Grades of Dairy Products
367
Product Standard Methoda Reference
Nonfat dry milk (spray process)
U.S. extra grade 10,000/g
U.S. standard grade 75,000/g
U.S. grade not assigned 100 x 106/g
Nonfat dry milk (roller process)
U.S. extra grade
U.S. standard grade
U.S. grade not assigned
Instant nonfat dry milk
U.S. extra grade
U.S. grade not assigned
Dry whole milk
U.S. premium
U.S. extra
U.S. standard
U.S. grade not assigned
Dry buttermilk and
buttermilk product
U.S. extra
U.S. standard
SPC
SPC
DMC
50,000
100,000/g
100 x 106/g
10,000/g
10/g
40 x 106/g
SPC
SPC
DMC
SPC
Coliform
DMC
Not applicable SPC
10,000/g SPC
10/g Coliform
50,000 SPC
10/g Coliform
100 x 106/g DMC
20,000/g
75,000/g
SPC
SPC
Dairy Programs, 2001c
Dairy Division, 1984
Dairy Programs, 2001 d
Dairy Programs, 2001b
Dairy Programs, 2001 a
Dry whey Dairy Programs, 2000
U.S. extra 30,000/g SPC
10/g Coliform
Butter 100/g Proteolytic Dairy Division, 2002
20/g Yeasts and
molds
10/g Coliform
Whipped butter 50/g Proteolytic Dairy Division, 2002
10/g Yeasts and
molds
10/g Coliform
Plastic and frozen cream 30,000/mL SPC AMS, 1975
20/mL Yeasts and
molds
10/mL Coliform
Cottage cheese 10/g Coliform AMS, 1975
100/g Psychrotrophic
10/g Yeasts and
molds
continued
OCR for page 368
368
TABLE G-2 Continued
APPENDIX G
Product Standard Methoda Reference
Ice cream 50,000/g SPC AMS, 1975
Plain 10/g Coliform
Frozen 20/g Coliform
Sherbet 50,000/g SPC AMS, 1975
10/g Coliform
Sweetened condensed milk 1,000/g SPC AMS, 1975
10/g Coliform
5/g Yeasts
5/g Molds
Edible dry casein (acid)
U.S. extra grade
30,000/g
0/0. lg
U.S. standard grade 100,000/g
2/0. lg
0/lOOg
0/g
5,000/g
5/0.lg Yeasts and
moldsb
Not available Coliform
Cheddar cheese
SPC
Coliform
SPC
Coliform
Salmonellab
Staphylococcib
Thermophilesb
Dairy Division, 1968
Dairy Division, 1956
a SPC = standard plate count, DMC = direct microscopic count.
b optional.
TABLE G-3 Microbiological Standards for Raw Milk: U.S. Department of
Agriculture Agricultural Marketing Service Standards for Grades of Dairy
Products
Bacterial Estimate
Classification Direct Microscopic Count, Standard Plate Count, or Plate Loop Count
No. 1
No. 2
Undergrade
Not over 500,000/mL
Not over 1,000,000
Over 1,000,000
SOURCE: Dairy Division (2002).
OCR for page 369
USDA-AMS STANDARDS FOR MILK AND DAIRY PRODUCTS
REFERENCES
369
AMS (Agricultural Marketing Service). 1975. General specifications for approved dairy plants and
standards for grades of dairy products. Fed Regist 40:47910-47940.
Dairy Division. 1956. United States Standards for Grades of Cheddar Cheese. Online. Agricultural
Marketing Service (AMS), U.S. Department of Agriculture (USDA). Available at http://
www.ams.usda.gov/standards/Cheddar.pdf. Accessed August 15, 2002.
Dairy Division. 1968. United States Standards for Grades of Edible Dry Casein (Acid). Online.
AMS, USDA. Available at http://www.ams.usda.gov/standards/Edible.pdf. Accessed August 15,
2002.
Dairy Division. 1984. United States Standards for Grades of Nonfat Dry Milk (Roller Process).
Online. AMS, USDA. Available at http://www.ams.usda.gov/standards/Roller.pdf. Accessed
August 15, 2002.
Dairy Division. 2002. General Specifications for Dairy Plants Approved for USDA Inspection and
Grading Service. Online. AMS, USDA. Available at http://www.ams.usda.gov/dairy/genpecs.pdf.
Accessed August 15, 2002.
Dairy Programs. 2000. United States Standard for Dry Whey. Online. AMS, USDA. Available at
http://www.ams.usda.gov/standards/dry_whey_standards_12-14-00.pdf. Accessed August 15,
2002.
Dairy Programs. 2001a. United States Standards for Grades of Dry Buttermilk and Dry Buttermilk
Product. Online. AMS, USDA. Available at http://www.ams.usda.gov/standards/DBM_02-02-
01.pdf. Accessed August 15, 2002.
Dairy Programs. 2001b. United States Standards for Grades of Dry Whole Milk. Online. AMS,
USDA. Available at http://www.ams.usda.gov/standards/dry_whole_milk_04-13-01.pdf.
Accessed August 15, 2002.
Dairy Programs. 2001c. United States Standards for Grades of Nonfat Dry Milk (Spray Process).
Online. AMS, USDA. Available at http://www.ams.usda.gov/standards/NDM_02-02-01.pdf.
Accessed August 15, 2002.
Dairy Programs. 2001 d. United States Standards for Instant Nonfat Dry Milk. Online. AMS, USDA.
Available at http://www.ams.usda.gov/standards/INDM_02-02-01.pdf. Accessed August 15,
2002.
Dairy Programs. 2002. Milk for Manufacturing Purposes and its Production and Processing. Online.
AMS, USDA. Available at http://www.ams.usda.gov/dairy/manufmlk.pdf. Accessed August
15, 2002.
Representative terms from entire chapter:
nonfat dry