7 CFR § 51.1178 - Maximum anhydrous citric acid permissible for corresponding total soluble solids.
---
identifier: "/us/cfr/t7/s51.1178"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "7 CFR § 51.1178 - Maximum anhydrous citric acid permissible for corresponding total soluble solids."
title_number: 7
title_name: "Agriculture"
section_number: "51.1178"
section_name: "Maximum anhydrous citric acid permissible for corresponding total soluble solids."
chapter_name: "AGRICULTURAL MARKETING SERVICE (STANDARDS, INSPECTIONS, MARKETING PRACTICES), DEPARTMENT OF AGRICULTURE"
subchapter_number: "C"
subchapter_name: "REQUIREMENTS AND STANDARDS UNDER THE AGRICULTURAL MARKETING ACT OF 1946 AND THE EGG PRODUCTS INSPECTION ACT"
part_number: "51"
part_name: "FRESH FRUITS, VEGETABLES, AND OTHER PRODUCTS (INSPECTION, CERTIFICATION, AND STANDARDS)"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "7 U.S.C. 1621-1627."
cfr_part: "51"
---
# 51.1178 Maximum anhydrous citric acid permissible for corresponding total soluble solids.
For determining the grade of juice, the maximum permissible anhydrous citric acid content in relation to corresponding total soluble solids in the fruit is set forth in the following Table II together with the minimum ratio of total soluble solids to anhydrous citric acid:
Table II
| Total soluble solids(average pct) | Maximum anhydrous citric acid(average pct) | Minimum ratio of total soluble solids to anhydrous citric acid |
| --- | --- | --- |
| 9.0 | 0.947 | 9.50-1 |
| 9.1 | .963 | 9.45-1 |
| 9.2 | .979 | 9.40-1 |
| 9.3 | .995 | 9.35-1 |
| 9.4 | 1.011 | 9.30-1 |
| 9.5 | 1.027 | 9.25-1 |
| 9.6 | 1.043 | 9.20-1 |
| 9.7 | 1.060 | 9.15-1 |
| 9.8 | 1.077 | 9.10-1 |
| 9.9 | 1.094 | 9.05-1 |
| 10.0 | 1.111 | 9.00-1 |
| 10.1 | 1.128 | 8.95-1 |
| 10.2 | 1.146 | 8.90-1 |
| 10.3 | 1.164 | 8.85-1 |
| 10.4 | 1.182 | 8.80-1 |
| 10.5 | 1.200 | 8.75-1 |
| 10.6 | 1.218 | 8.70-1 |
| 10.7 | 1.237 | 8.65-1 |
| 10.8 | 1.256 | 8.60-1 |
| 10.9 | 1.275 | 8.55-1 |
| 11.0 | 1.294 | 8.50-1 |
| 11.1 | 1.306 | 8.50-1 |
| 11.2 | 1.318 | 8.50-1 |
| 11.3 | 1.329 | 8.50-1 |
| 11.4 | 1.341 | 8.50-1 |
| 11.5 | 1.353 | 8.50-1 |
| 11.6 | 1.365 | 8.50-1 |
| 11.7 | 1.376 | 8.50-1 |
| 11.8 | 1.388 | 8.50-1 |
| 11.9 | 1.400 | 8.50-1 |
| 12.0 | 1.412 | 8.50-1 |
| 12.1 | 1.424 | 8.50-1 |
| 12.2 | 1.435 | 8.50-1 |
| 12.3 | 1.447 | 8.50-1 |
| 12.4 | 1.459 | 8.50-1 |
| 12.5 | 1.471 | 8.50-1 |
| 12.6 | 1.482 | 8.50-1 |
| 12.7 | 1.494 | 8.50-1 |
| 12.8 | 1.506 | 8.50-1 |
| 12.9 | 1.517 | 8.50-1 |
| 13.0 | 1.530 | 8.50-1 |
| 13.1 | 1.541 | 8.50-1 |
| 13.2 | 1.553 | 8.50-1 |
| 13.3 | 1.565 | 8.50-1 |
| 13.4 | 1.576 | 8.50-1 |
| 13.5 | 1.588 | 8.50-1 |
| 13.6 | 1.600 | 8.50-1 |
| 13.7 | 1.612 | 8.50-1 |
| 13.8 | 1.624 | 8.50-1 |
| 13.9 | 1.635 | 8.50-1 |
| 14.0 | 1.647 | 8.50-1 |
| 14.1 | 1.659 | 8.50-1 |
| 14.2 | 1.671 | 8.50-1 |
| 14.3 | 1.682 | 8.50-1 |
| 14.4 | 1.694 | 8.50-1 |
| 14.5 | 1.705 | 8.50-1 |
| 14.6 | 1.718 | 8.50-1 |
| 14.7 | 1.729 | 8.50-1 |
| 14.8 | 1.741 | 8.50-1 |
| 14.9 | 1.753 | 8.50-1 |
| 15.0 | 1.765 | 8.50-1 |
| 15.1 | 1.776 | 8.50-1 |
| 15.2 | 1.788 | 8.50-1 |
| 15.3 | 1.800 | 8.50-1 |
| 15.4 | 1.812 | 8.50-1 |
| 15.5 | 1.824 | 8.50-1 |
| 15.6 or more | | 8.50-1 |