21 CFR § 135.3 - Definitions.

---
identifier: "/us/cfr/t21/s135.3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 135.3 - Definitions."
title_number: 21
title_name: "Food and Drugs"
section_number: "135.3"
section_name: "Definitions."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "FOOD FOR HUMAN CONSUMPTION"
part_number: "135"
part_name: "FROZEN DESSERTS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321, 341, 343, 348, 371, 379e."
cfr_part: "135"
---


# 135.3 Definitions.

For the purposes of this part, a pasteurized mix is one in which every particle of the mix has been heated in properly operated equipment to one of the temperatures specified in the table in this section and held continuously at or above that temperature for the specified time (or other time/temperature relationship which has been demonstrated to be equivalent thereto in microbial destruction):

| Temperature | Time |
| --- | --- |
| 155 °F | 30 min. |
| 175 °F | 25 sec. |

[42 FR 19132, Apr. 12, 1977]