Description
Fermaid O 2.5 kg – organic yeast nutrient for cider and wine from Lallemand
Fermaid O is an organic yeast nutrient from Lallemand for fermenting must into cider and wine. It is the result of Lallemand’s research on nitrogen metabolism during fermentation, and is a blend of selected yeast fractions rich in organic nitrogen. Fermaid O contains 100% natural yeast-derived components and therefore no inorganic nitrogen such as ammonium salts (DAP or SDA). It can also be used in other alcoholic fermentations, such as mead. The 2.5 kg pack suits cider and wine producers.
Please note: This product is only available in Norway.
Features
- Highly available amino acids and peptides, which yeast uses more efficiently than inorganic nitrogen
- Natural survival factors that help the yeast under stressful conditions
- Natural sources of vitamins (thiamine, biotin, pantothenic acid) and trace elements (magnesium, manganese, zinc)
- The nitrogen is assimilated more steadily than mineral nitrogen. This evens out peaks in fermentation activity and limits temperature peaks
- Enhances ripe fruit character and volume in the wine while reducing the sensation of dryness
How to use Fermaid O
- Recommended dosage: 2 × 20 g/hl, which supplies the must with 15–20 mg/l of organic YAN
- 20 g/hl at the start of alcoholic fermentation and 20 g/hl at 1/4 to 1/3 of alcoholic fermentation
- Suspend in water (2.5 kg Fermaid O in 25 litres of water) and add to the tank immediately. If prepared in advance, re-suspend it before adding.
Technical data
- Manufacturer: Lallemand
- Type: organic yeast nutrient based on yeast fractions
- Pack size: 2.5 kg
- Storage: cool and dry below 25 °C, away from direct sunlight and strong odours
- Shelf life: 4 years from production when stored as recommended
Frequently asked questions about Fermaid O
How much Fermaid O should I use?
Lallemand recommends 2 × 20 g/hl, which is 40 g/hl in total or 0.4 g per litre of must. A 2.5 kg pack is then enough for just over 60 hl.
When should Fermaid O be added?
The dose is split in two: half at the start of alcoholic fermentation and the rest at 1/4 to 1/3 of alcoholic fermentation.
What is the difference between Fermaid O and Fermaid K?
Fermaid O contains only organic nitrogen from yeast fractions. Fermaid K is a complex yeast nutrient that also contains inorganic nitrogen (DAP).
Why organic nitrogen?
Yeast uses amino acids and peptides more efficiently than inorganic nitrogen, and the nitrogen is assimilated more steadily through fermentation. Fermaid O also provides vitamins and trace elements from natural sources.
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