21 CFR § 173.130 - Carbohydrase derived from
---
identifier: "/us/cfr/t21/s173.130"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 173.130 - Carbohydrase derived from"
title_number: 21
title_name: "Food and Drugs"
section_number: "173.130"
section_name: "Carbohydrase derived from"
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "FOOD FOR HUMAN CONSUMPTION"
part_number: "173"
part_name: "SECONDARY DIRECT FOOD ADDITIVES PERMITTED IN FOOD FOR HUMAN CONSUMPTION"
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, 342, 348."
regulatory_source: "42 FR 14526, Mar. 15, 1977, unless otherwise noted."
cfr_part: "173"
---
# 173.130 Carbohydrase derived from
Carbohydrase from *Rhizopus oryzae* may be safely used in the production of dextrose from starch in accordance with the following prescribed conditions:
(a) *Rhizopus oryzae* is classified as follows: Class, Phycomycetes; order, Mucorales; family, Mucoraceae; genus, *Rhizopus;* species, *Rhizopus oryzae.*
(b) The strain of *Rhizopus oryzae* is nonpathogenic and nontoxic.
(c) The carbohydrase is produced under controlled conditions to maintain nonpathogenicity and nontoxicity, including the absence of aflatoxin.
(d) The carbohydrase is produced by a process which completely removes the organism *Rhizopus oryzae* from the carbohydrase product.
(e) The carbohydrase is maintained under refrigeration from production to use and is labeled to include the necessity of refrigerated storage.