# Secondary Direct Food Additives Permitted in Food for Human Consumption; Sulphopropyl Cellulose
> **Food and Drug Administration** · Final rule. · Published 1997-02-20 · Effective 1997-02-19 · 62 FR 7678
## Document
- **Document number:** 97-4082
- **Category:** fda-food
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 62 FR 7678
- **CFR reference:** 21 CFR 173
- **Publication date:** 1997-02-20
- **Effective date:** 1997-02-19
- **HHS docket:** Docket No. 96F-0184
## Abstract

The Food and Drug Administration (FDA) is amending the food additive regulations to provide for a change in the level of reactants for sulphopropyl cellulose ion-exchange resin for the recovery and purification of proteins for food use. This action is in response to a petition filed by Life Technologies, Inc.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1997/02/20/97-4082/secondary-direct-food-additives-permitted-in-food-for-human-consumption-sulphopropyl-cellulose)
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