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 20 – 40 % x • downy mildew good linalool 1.0 – 1.5 % x • powdery mildew average beta- 4– 10% x aromadendrene 0.5 – 1.5 % x 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 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. trial: Spalter Select

1. 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