21 CFR § 173.145 - Alpha-Galactosidase derived from var.

---
identifier: "/us/cfr/t21/s173.145"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 173.145 - Alpha-Galactosidase derived from  var."
title_number: 21
title_name: "Food and Drugs"
section_number: "173.145"
section_name: "Alpha-Galactosidase derived from  var."
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"
---


# 173.145 Alpha-Galactosidase derived from  var.

The food additive alpha-galactosidase and parent mycelial microorganism *Mortierella vinaceae* var. *raffinoseutilizer* may be safely used in food in accordance with the following conditions:

(a) The food additive is the enzyme alpha-galactosidase and the mycelia of the microorganism *Mortierella vinaceae* var. *raffinoseutilizer* which produces the enzyme.

(b) The nonpathogenic microorganism matches American Type Culture Collection (ATCC) No. 20034, 
<sup>1</sup>
[^] and is classified as follows:

<sup>1</sup> Available from: American Type Culture Collection, 12301 Parklawn Drive, Rockville, MD 20852.

Class: Phycomycetes.

Order: Mucorales.

Family: Mortierellaceae.

Genus: *Mortierella.*

Species: *vinaceae.*

Variety: *raffinoseutilizer.*

(c) The additive is used or intended for use in the production of sugar (sucrose) from sugar beets by addition as mycelial pellets to the molasses to increase the yield of sucrose, followed by removal of the spent mycelial pellets by filtration.

(d) The enzyme removal is such that there are no enzyme or mycelial residues remaining in the finished sucrose.

[42 FR 14526, Mar. 15, 1977, as amended at 54 FR 24897, June 12, 1989]