---
kind: "section"
citation: "21 C.F.R. § 173.120"
title: "21"
number: "173.120"
heading: "Carbohydrase and cellulase derived from Aspergillus niger."
url: "https://uscodex.org/cfr/21/173.120"
---

# §173.120. Carbohydrase and cellulase derived from Aspergillus niger.


Carbohydrase and cellulase enzyme preparation derived from Aspergillus niger may be safely used in food in accordance with the following prescribed conditions:

- (a) **Aspergillus niger—** is classified as follows: Class, Deuteromycetes; order, Moniliales; family, Moniliaceae; genus, Aspergillus; species, niger.
- (b) **The strain of <I>Aspergillus niger</I> is nonpathogenic and nontoxic in man or other animals.**
- (c) The additive is produced by a process that completely removes the organism Aspergillus niger from the carbohydrase and cellulase enzyme product.
- (d) **The additive is used or intended for use as follows—**
  - (1) **For removal of visceral mass (bellies) in clam processing.**
  - (2) **As an aid in the removal of the shell from the edible tissue in shrimp processing.**
- (e) The additive is used in an amount not in excess of the minimum required to produce its intended effect.

## Notes

### Authority

Authority: 21 U.S.C. 321, 342, 348.

### Source

Source: 42 FR 14526, Mar. 15, 1977, unless otherwise noted.