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Title 7 Part 51 → §51.1565

Title 7 → Subtitle B → Chapter I → Subchapter C → Part 51 → §51.1565

Electronic Code of Federal Regulations e-CFR

Title 7 Part 51 → §51.1565

e-CFR data is current as of November 12, 2019

Title 7Subtitle BChapter ISubchapter CPart 51 → §51.1565


Title 7: Agriculture
PART 51—FRESH FRUITS, VEGETABLES AND OTHER PRODUCTS (INSPECTION, CERTIFICATION, AND STANDARDS)
Subpart—United States Standards for Grades of Potatoes


§51.1565   Internal defects.

Internal defects are defects which cannot be detected without cutting the potato. Some internal defects are listed in Table VII.

Table VII—Internal Defects

Defects Damage Maximum Allowed Serious Damage Maximum Allowed
Occurring outside of or not entirely confined to the vascular ring
Ingrown Sprouts, Internal Discoloration, Vascular Browning, Fusarium Wilt, Net Necrosis, Other Necrosis, Stem End Browning5 percent waste10 percent waste.
Internal Black SpotWhen the spot(s) are darker than the official color chip (POT-CC-2) after removing 5 percent of the total weight of the potatoWhen the spot(s) are darker than the official color chip (POT-CC-2) after removing 10 percent of the total weight of the potato.
Occurring entirely within the vascular ring
Hollow Heart or Hollow Heart with DiscolorationArea affected not to exceed that of a circle 12 inch in diameter in a potato 212 -inches in diameter or 6 ounces in weight.1Area affected not to exceed that of a circle 34 inch in diameter in a potato 212 -inches in diameter or 6 ounces in weight.1
Light Brown Discoloration (Brown Center)Area affected not to exceed that of a circle 12 inch in diameter in a potato 212 inches in diameter or 6 ounces in weight.1Area affected not to exceed that of a circle 34 inch in diameter in a potato 212 inches in diameter or 6 ounces in weight.1
Occurring entirely within the vascular ring
Internal Brown Spot and Similar Discoloration (Heat Necrosis)Not more than the equivalent of 3 scattered spots 18 inch in diameter in a potato 212 -inches in diameter or 6 ounces in weight.1Not more than the equivalent of 6 scattered spots 18 inch in diameter in a potato 212 -inches in diameter or 6 ounces in weight.1

1Note: Correspondingly lesser or greater areas in smaller or larger potatoes.

[35 FR 18258, Dec. 1, 1970. Redesignated at 42 FR 32514, June 27, 1977, and further redesignated at 46 FR 63203, Dec. 31, 1981; amended at 56 FR 7553, Feb. 25, 1991; 56 FR 10302, Mar. 11, 1991; 73 FR 15058, Mar. 21, 2008 ; 73 FR 70586, Nov. 21, 2008; 76 FR 31789, June 2, 2011]


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