Non-sulphur wines ‘a reality’ with natural preservative

16th April, 2013 by Rupert Millar

Integrapes, a company in Italy, is currently testing an anti-oxidant and anti-bacterial preservative derived from grape pips that it claims is as effective as sulphur.

red wine tasting manFurthermore, the wine is supposed to retain more of its natural aromas, particularly the more delicate floral aromas that sulphur can cover.

Derived from the polyphenols found naturally in grape seeds, the resulting solution is added to the must and wine at various points in the winemaking process.

The kits vary only slightly for red, white, rosé and sparkling but essentially involve one litre of the preservative added to every 20 hectolitres of wine at the end of the alcoholic and then malolactic fermentations and then prior to bottling.

The resulting wine is then non-sulphur but supposedly with the potential to age, something many “natural” wines are criticised for not doing.

Commercial director, Donatello Calaprice, told the drinks business that the company had been experimenting and conducting trials for the past seven years and still had wines from that time which are drinkable.

He described the method as a form of “homeopathy”.

Integrapes compares four figures regarding levels of sulphur, anti-oxidants (in vitro using both the Folin-Ciocalteu Index and ORAC Unit) and pigmentation (anthocyanins C3GE) in wines using sulphur and those using Integrapes method.

In nearly all cases, wines (red, white and sparkling) produced with Integrapes’ solution outperform those produced with sulphur.

For example, a 100% Cabernet Sauvignon displayed sulphur levels of 2mg per litre, registered 50.05 on the Folin-Ciocalteu Index, 120.33 C3GE/100ml (anthocyanins equivalent) and 16,665 ORAC Units.

By contrast, the Cabernet Sauvignon produced normally displayed equivalent results of: 41mg/L SO2, 35.55 on the Folin-Ciocalteu Index, 32.22 C3GE/100ml and 11,820 ORAC Units.

The product has been endorsed by one of Italy’s leading wine writers Luca Maroni, who is also collaborating in the on-going tests.

He has stated: “I have tasted hundreds of wines from around the world developed without sulphur dioxide (natural, organic, biodynamic, etc…).

“But so far each of these has turned out to be, irreversibly, off, oxidised or stained by oenological processing defects which compromise the integrity of the fruit.

“Then I tasted the first white wine produced with the Integrapes method and the fruit was blameless, pure and oxidatively still intact.

“The dream of wine without added sulphites in now a reality.”

9 Responses to “Non-sulphur wines ‘a reality’ with natural preservative”

  1. Dirk-Antoon Samyn says:

    I’m really interested to have more information but the Integrapes website does’t work, gives no info! Also their mail address is not active, mail request returns! Can you help me?

  2. Alexandre says:

    Hi Alessandro,

    I´m also really interested in this matter, could you please send me the presentation of Intergrapes?

    Thank you and best regards,

    Alexandre

  3. Nikolay says:

    Hi Alessandro,

    I´m also really interested in this matter, could you please send me the presentation of Intergrapes?

    Thank you and best regards,
    Nikolay

  4. Karl Lambour says:

    Hi Alessandro,

    I´m also really interested in this matter, could you please send me the presentation of Intergrapes?

    Thank you and best regards,
    Karl Lambour

  5. Marco cervellera says:

    Come posso entrare in contatto con Alessandro Capodicasa?

  6. Danny Greer says:

    This is a very good discovery. Having to add the Integrapes solution which is claimed to be much healthier than sulphur would really be something that winelovers would be so interested about. It is still on its testing stages though so its effectiveness still remains to be seen.

  7. io sono altretanto interessato a questo prodotto INTEGRAPES

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