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New Zealand Gazette – 2001 – No. 173

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✨ Food Standards Addenda

4234

NEW ZEALAND GAZETTE

No. 173

ADDENDUM 11

SPECIFICATION FOR CARBOXYMETHYL CELLULOSE ION EXCHANGE RESIN

(a) This specification relates to regenerated cellulose, cross-linked and alkylated with epichlorohydrin and propylene oxide, then derivatised with carboxymethyl groups whereby the amount of epichlorohydrin plus propylene oxide does not exceed 70% by weight of the starting quantity of cellulose.

(b) The resins are limited to use in aqueous process streams for the isolation and purification of protein concentrates and isolates. The pH range for the resins shall be no less than 2 and no more than 10, and the temperatures of water and food passing through the resin bed shall not exceed 40°C.

(c) When subjected to the extraction regime listed in the CFR Title 21 part 173.25(c)(4), but using dilute hydrochloric acid at pH2 in place of 5% acetic acid, the ion exchange resins shall result in no more than 25ppm of organic extractives.

ADDENDUM 12

SPECIFICATION FOR QUATERNARY AMINE CELLULOSE ION EXCHANGE RESIN

(a) This specification relates to regenerated cellulose, cross-linked and alkylated with epichlorohydrin and propylene oxide, then derivatised with quaternary amine groups whereby the amount of epichlorohydrin plus propylene oxide does not exceed 250% by weight of the starting quantity of cellulose.

(c) When subjected to the extraction regime listed in the CFR Title 21 part 173.25(c)(4), but using dilute hydrochloric acid at pH2 in place of 5% acetic acid, the ion exchange resins result in no more than 25ppm of organic extractives.

ADDENDUM 13

SPECIFICATION FOR DIETHYL AMINOETHYL CELLULOSE ION EXCHANGE RESIN

(a) This specification relates to:

(i) Regenerated cellulose, cross-linked and alkylated with epichlorohydrin and propylene oxide, then derivatised with tertiary amine groups whereby the amount of epichlorohydrin plus propylene oxide does not exceed 70% by weight of the starting quantity of cellulose; and

VUW Te Waharoa — NZ Gazette 2001, No 173

Gazette.govt.nz — NZ Gazette 2001, No 173

The Executive Wing of Parliament (depicted) is universally known as The Beehive. It was completed in 1977 and remains the primary office for the elected Government of the day.

✨ LLM interpretation of page content

🏥 Variations to the Food Standards Code (continued from previous page)

Domain🏥 Health & Social Welfare
Dated17 December 2001
KeywordsFood Standards, Code Amendments, Enzyme Preparations, Regenerated Cellulose

🏥 Specification for Carboxymethyl Cellulose Ion Exchange Resin

Domain🏥 Health & Social Welfare
KeywordsFood Standards, Ion Exchange Resin, Carboxymethyl Cellulose, Protein Purification

🏥 Specification for Quaternary Amine Cellulose Ion Exchange Resin

Domain🏥 Health & Social Welfare
KeywordsFood Standards, Ion Exchange Resin, Quaternary Amine Cellulose, Protein Purification

🏥 Specification for Diethyl Aminoethyl Cellulose Ion Exchange Resin

Domain🏥 Health & Social Welfare
KeywordsFood Standards, Ion Exchange Resin, Diethyl Aminoethyl Cellulose, Protein Purification

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