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Electronic Code of Federal Regulations

e-CFR data is current as of February 24, 2020

Title 7Subtitle BChapter ISubchapter CPart 58Subpart B → §58.733


Title 7: Agriculture
PART 58—GRADING AND INSPECTION, GENERAL SPECIFICATIONS FOR APPROVED PLANTS AND STANDARDS FOR GRADES OF DAIRY PRODUCTS
Subpart B—General Specifications for Dairy Plants Approved for USDA Inspection and Grading Service


§58.733   Quality control tests.

(a) Chemical analyses. The following chemical analyses shall be performed in accordance with the appropriate edition of the Official Methods of Analysis of the AOAC as specified in the appropriate Standards of Identity or in accordance with methods that give equivalent results.

(1) Cheese. A representative sample of cheese used in the manufacture of pasteurized process cheese products shall have been tested prior to usage to determine its moisture and fat content.

(2) Pasteurized process cheese products. As many samples shall be taken of the finished product direct from the cooker, hopper, filler, or other location as is necessary to assure compliance with composition requirements. Spot checks should be made on samples from the cooker as frequently as is necessary to indicate pasteurization by means of the phosphatase test, as well as any other tests necessary to assure good quality control.

(b) Examination of physical characteristics. As many samples shall be taken as is necessary to assure meeting the required physical characteristics of the products. Representative samples shall be taken from production for examination of physical characteristics. The samples shall be examined at approximately 70 °F. the first day of operation after the date of processing for the following characteristics: (1) Finish and appearance, (2) flavor, (3) color, (4) body and texture, and (5) slicing or spreading properties.

(c) Keeping quality. During processing or preferably from the cooled stock select sufficient samples at random from the production run. The samples should be stored at approximately 50 °F. for 3 months for evaluation of physical characteristics as in paragraph (b) of this section. Additional samples may be selected and held at different temperatures or time.

(d) Weight control. During the filling operation as many samples shall be randomly selected and weighed from each production run as is necessary to assure accuracy of the net weight established for the finished products.

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