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用于德式小麦啤酒的历史酵母
Specialty yeast selected for the production of aromatic beers with typical phenolic character (clove and peppery notes) and rich in fruity and floral flavors. Suitable for a great variety of wheat-base beers and fruity-spicy oriented styles. Yeast with a medium sedimentation: forms no clumps but a powdery haze when re suspended in the beer.
Ingredients:Yeast (Saccharomyces cerevisiae POF+), Emulsifier: sorbitan monostearate (E/INS 491)
SafAle W-68™ 概述
Total
esters
总支链醇
明显衰减
絮凝
沉积
SafAle W-68™ 感官特性
SafAle W-68™, for the production of aromatic German style wheat beers with typical phenolic (clovy) character and rich in fruity and banana notes.
SafAle W-68™ 技术特性
Dosage/Temperature
50 to 80 g/hL (0.07 – 0.11 oz/gal) at ideally 18°C – 26°C (64.4°F – 78.8°F).
Usage
① Direct pitching:
Direct pitch in the fermentor at fermentation temperature at 20°C – 32°C (68.0°F – 89.6°F).
② With prior rehydration:
o Sprinkle the yeast in 10 times its volume of water or wort at 20°C – 28 °C (68.0°F – 82.4°F).
o Leave to rest 15 to 30 minutes
o Gently stir
o Pitch in the fermentor
- Viable yeast > 1.0 *1010 cfu/g
- Purity : > 99.9 %
- Lactic acid bacteria: < 1 cfu /107 yeast cell
- Acetic acid bacteria: < 1 cfu /107 yeast cell
- Pediococcus: < 1 cfu /107 yeast cell
- Total Bacteria: < 5 cfu /107 yeast cell
- “Wild” Yeast*: < 1 cfu /107 yeast cell
- Pathogenic micro-organisms: in accordance with regulation
*EBC Analytica 4.2.6 – ASBC Microbiological Control-5D
Storage
The product must be stored/transported in dry conditions and protected from direct heat sources (e.g. sunlight, …). For up to 6 months, the product can be stored/transported at ambient temperature below 25°C/ 77°F.without affecting its performances Peaks up to 40°C/104°F are allowed for a limited period of time (less than 7 days in total). For prolonged storage time (beyond 6 months) after product has arrived at final destination, Fermentis recommends storage at controlled temperature (below 15°C/59°F).
Shelf life
36 months from production date. Refer to best before end date printed on the sachet. Opened sachets must be sealed and stored at 4°C (39°F) and used within 7 days of opening. Do not use soft or damaged sachets.
Each Fermentis yeast is developed under a specific production scheme and benefits from the know-how of the Lesaffre group, world leader in yeast manufacturing. This guarantees the highest microbiological purity and maximum fermentation activity.
Fermentis dry brewing yeasts are well known for their ability to produce a large variety of beer styles. In order to compare our strains, we ran fermentation trials in laboratory conditions with a standard wort for all the strains and standard temperature conditions (SafLager: 12°C for 48h then 14°C / SafAle: 20°C). We focused on the following parameters: Alcohol production, residual sugars, flocculation and fermentation kinetic. Given the impact of yeast of the quality of the final beer it is recommended to respect the recommended fermentation instructions. We strongly advise users to make fermentation trials before any commercial usage of our products.
