AUSTRALIA  1300 882 850      |      NZ  0800 699 599

Enquire now

If you have any questions, concerns or comments in regards to any of our products and services, you can either phone us or fill in the enquiry form below.

1300 882 850
0800 699 599


Enquire now

Lallemand Specific Inactive Yeast

Optimum White

For optimizing aromatic intensity and longevity

For white and rose wines. A new specific inactivated yeast rich in glutathione. For aromatic intensity and longevity

OptiMUM-White is a new, specific natural yeast derivative rich in antioxidant properties (glutathione) and polysaccharides. Specific inactivated yeast rich in glutathione (GSH rich SIY) were developed for the protection of the quality of white and rosé wines against oxidation phenomena responsible for colour browning and loss of aromas. This innovation was first introduced by Lallemand (Patent N°WO/2005/080543) in 2003. Since then, our knowledge and experience has been enriched by several trials under various vintage conditions. More recently the production process of these GSH-rich SIY was optimized by Lallemand in order to improve the TRUE glutathione content and as a result Lallemand has replaced OptiWhite with OptiMUM-White. OptiMUM-WHITE has nearly double the TRUE glutathione level when compared to its predecessor OptiWhite and has the highest level of TRUE glutathione on the Australian / New Zealand SIYmarket. • Added to the juice at the beginning of alcoholic fermentation, the unique properties of OptiMUM-White protect against oxidation. • In terms of aromatic quality, the wine better expresses and preserves the thiols and esters after one year of bottle aging. • Contributes to and enhances wine complexity and has a smoothing effect to bring more roundness to the wine.


Click here for technical information