Spalter Select Spalter Select Characteristics
Bitter substances Very fine aroma variety alpha-acids 3.0 – 6.5 % * beta-acids 2.5 – 5.0 % * • average bitter value x cohumulone 21 – 27 % • very good aroma colupulone 37 – 46 % x • low storage stability
Polyphenols total content 4.0 – 5.0 % * xanthohumol 0.3 – 0.5 % *
Aroma substances Resistance to disease: total oil 0.6 – 0.9 %• • wilt good to very good myrcene 20 – 40 % x • downy mildew good linalool 1.0 – 1.5 % x • powdery mildew average beta-caryophyllene 4– 10% x aromadendrene 0.5 – 1.5 % x humulene 10 – 22 % x farnesene 15 – 22 % x Ripening time medium late beta-selinene 2.0 – 4.0 % x Storage stability low alpha-selinene 2.0 – 4.0 % x Average yield 1,900 kg/ha
(*)weight-% – (x) % relative – (•) ml/100g hops Headspace Gaschromatogramme 200 1 5 180
160 ISN 2 140 ) 120 3 200 100 6 80 mV (Span= 60
40 4 7 8
20
0 0 5 10 15 20 25 30 35 40 45 50 55 60 minutes (Span=60) 1 = myrcene · ISN = internal standard · 2 = linalool · 3 = beta-caryophyllene · 4 = aromadendrene · 5 = humulene · 6 = farnesene 7 = beta-selinene · 8 = alpha-selinene Spalter Select Evaluation
■ aroma specification
intensity 12345678910
flowery
citrous
fruity
current- aroma like sweet
spicy
■ overall impression
intensity54321012345 intensity
pungent harmonious
rapidly lasting disappearing full character intensive mild
Spalter Select is a product of the Hop Research Centre in Hüll with good resistance characteristics and high yields. This aroma variety was registered as a variety in 1993. Brewing trial: Spalter Select
1. Beer Analysis co-isohumulone 6.7 mg/l iso-xanthohumol 0,72 mg/l n-isohumulone 13.2 mg/l xanthohumol nd* ad-isohumulone 3.1 mg/l linalool 73 µg/l
Σ isohumulones 23.0 mg/l total polyphenols 264 mg/l bitterness 24 EBC-BU
*nd: not detectable
2. Sensory Evaluation “Hop Aroma” (Smell)
fruity 7.0 6.0 5.0 4.0 3.0 hoppy flowery 2.0 1.0 0.0
herbal citrussy
Base Beer Beer produced with the variety SPALTER SELECT
Brewing trials The spirit of beer – Hops from Germany
3. Sensory Evaluation “Hop Flavour” (Taste)
fruity 7.0 6.0 5.0 4.0 3.0 hoppy flowery 2.0 1.0 0.0
herbal citrussy
Base Beer Beer produced with the variety SPALTER SELECT
4. Sensory Evaluation of the Bitterness
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Intensity
Harmony
Beer of the variety Spalter Select is marked by a pleasant, harmonic bitterness of medium intensity. Its aroma is characterized by a hoppy tang as well as fruity and flowery impressions both in smell and taste.
Brewing trials