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Commission Delegated Regulation (EU) 2019/934Show full title
Commission Delegated Regulation (EU) 2019/934 of 12 March 2019 supplementing Regulation (EU) No 1308/2013 of the European Parliament and of the Council as regards wine-growing areas where the alcoholic strength may be increased, authorised oenological practices and restrictions applicable to the production and conservation of grapevine products, the minimum percentage of alcohol for by-products and their disposal, and publication of OIV files
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- Regulations originating from the EU
- 2019 No. 934
- ANNEX I
- Appendix 9
- Requirements for treatment to...
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- Revised 27/06/20190.76 MB
- Revised 07/06/20190.77 MB
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Changes over time for: Requirements for treatment to reduce the sugar content of musts by membrane coupling
Version Superseded: 01/01/2024
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Point in time view as at 07/06/2019.
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There are currently no known outstanding effects by UK legislation for Commission Delegated Regulation (EU) 2019/934,
Requirements for treatment to reduce the sugar content of musts by membrane coupling
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Requirements for treatment to reduce the sugar content of musts by membrane coupling U.K.
The aim of treatment to reduce sugar content (‘the treatment’) is to remove sugar from a must by membrane coupling linking microfiltration or ultrafiltration to nanofiltration or reverse osmosis.
Requirements:
(1)
The treatment induces a reduction in volume as a function of the quantity of the sugar content of the sugar solution removed from the initial must.
(2)
The processes must allow the content of must constituents other than the sugars to be preserved.
(3)
The reduction in sugar content of musts excludes the correction of the alcohol content of wines which are derived from them.
(4)
The treatment must not be used in conjunction with one of the enrichment operations provided for in Part I of Annex VIII to Regulation (EU) No 1308/2013.
(5)
The treatment is carried out on a volume of must determined as a function of the sugar content reduction objective being sought.
(6)
The objective of the first stage is to render the must suitable for the second stage of concentration and to preserve the macromolecules greater in size than the membrane's cut-off threshold. This stage may be carried out by ultrafiltration.
(7)
The permeate obtained during the first stage of treatment is then concentrated by nanofiltration or by reverse osmosis.
The original water and the organic acids not retained by nanofiltration in particular may be reintroduced in the treated must.
(8)
The treatment must be carried out under the responsibility of an oenologist or qualified technician.
(9)
The membranes used must comply with the requirements of Regulation (EC) No 1935/2004 and Regulation (EU) No 10/2011 and with the national provisions adopted for the implementation thereof. They must comply with the requirements of the International Oenological Codex published by the OIV.
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