Section 52.1857 - Grades of zante currant raisins(a) "U.S. Grade A" is the quality of Zante Currant Raisins that have similar varietal characteristics; that have a good typical color; that have a good characteristic flavor; that show development characteristics of raisins prepared from well-matured grapes; that have not less than 75 percent, by weight, of raisins that are well-matured or reasonably well matured; that contain not more than 20 percent, by weight, of moisture; and meet the additional requirements as outlined in table 1 to this section.(b) "U.S. Grade B" is the quality of Zante Currant Raisins that have similar varietal characteristics; that have a reasonably good typical color; that have a good characteristic flavor; that have development characteristics of raisins prepared from reasonably well-matured and/or fairly well matured grapes; that contain not more than 20 percent, by weight, of moisture; and meet the additional requirements as outlined in table 1 to this section.(c) "Substandard" is the quality of Zante Currant Raisins that fail to meet the requirements of U.S. Grade B. Table 1 to § 52.1857 -Allowances for Defects in Zante Currant Raisins
| Defects | Maximum count |
| U.S. Grade A | U.S. Grade B |
| Pieces of stem | 1 per 24 ounces | 1 per 16 ounces. |
| Seeds (in Seeded style) | 12 per 16 ounces | 15 per 16 ounces. |
| Maximum (percent by weight) |
| Capstems-Zantes with capstems and loose capstems (include one Zante with each loose capstem) | 11/2 | 2 |
| Sugared | 5 | 10 |
| Discolored, damaged, or moldy | 5 | 7 |
| Provided these limits are not exceeded: | | |
| Damaged | 2 | 3 |
| Moldy | 3 | 4 |
| Substandard Development and Undeveloped | 2 | 5 |
| Appearance or edibility of product |
| Slightly discolored or damaged by fermentation or any other defect not described above | May not be affected | May not be more than slightly affected. |
| Grit, sand, or silt | None of any consequence may be present that affects the appearance or edibility of the product. |