{ "name": "Riwaka TM", "hgc_code": "RIW", "land": "Neuseeland", "anbaugebiet": "Riwaka, Nelson-Region", "beschreibung": "Riwaka™ is a New Zealand aroma hop from the Plant & Food Research breeding programme, named after the Riwaka river in the Nelson region. A D-Saaz derivative with a completely different character from its Bohemian ancestor: the intense grapefruit profile with tropical fruit notes makes Riwaka™ one of the most sought-after and at the same time hardest to obtain hops in the world.", "alpha_min": 4.0, "alpha_max": 7.0, "beta_min": 3.0, "beta_max": 4.5, "cohumulon_min": 28, "cohumulon_max": 33, "gesamtoel_min": 0.9, "gesamtoel_max": 1.8, "myrcen_min": 55.0, "myrcen_max": 70.0, "humulen_min": 4.0, "humulen_max": 10.0, "caryophyllen_min": 4.0, "caryophyllen_max": 8.0, "farnasen_min": null, "farnasen_max": 1.0, "linalool_min": null, "linalool_max": 0.8, "selinen_min": null, "selinen_max": 1.0, "polyphenole_min": null, "polyphenole_max": null, "xanthohumol_min": 0.1, "xanthohumol_max": 0.4, "lagerstabilitaet": "Fair", "trockenresistenz": "Moderate", "ernte": "Early (southern hemisphere: Feb to March)", "anbauland": "Neuseeland", "schutzrecht": "TM Plant & Food Research, Neuseeland", "anbau_extra": [ { "label": "Breeder", "wert": "Plant & Food Research, New Zealand" }, { "label": "Parentage", "wert": "D-Saaz (Saaz derivative from New Zealand)" }, { "label": "Growing region", "wert": "Riwaka, Nelson region, named after the Riwaka river" }, { "label": "Availability", "wert": "Very limited, seasonal harvest in Feb and March, often sold out" } ], "sensorik": [ { "label": "Citrus", "typ": "zitrus", "wert": 92 }, { "label": "Tropical", "typ": "tropisch", "wert": 75 }, { "label": "Fruity", "typ": "fruchtig", "wert": 65 }, { "label": "Floral", "typ": "blumig", "wert": 48 } ], "aroma_gruppen": { "Grapefruit (dominant)": "Intense, fresh grapefruit, the unmistakable Riwaka™ profile", "Tropical & passion fruit": "Tropical fruit, passion fruit and light mandarin notes", "Floral": "Restrained floral notes from the Saaz parentage" }, "sensorik_im_bier": "The grapefruit profile is so intense and fresh that some brewers initially suspect a fault. In IPAs and pale ales Riwaka™ makes a statement as a single hop. The extremely high myrcene share of 55 to 70 per cent makes it very rich in aroma but also sensitive to temperature.", "bierstile": [ "IPA", "Pale Ale", "Session IPA", "Fruit Beer", "Pilsner-Craft" ], "brauhinweis": "Aroma additions only: cool whirlpool below 80 °C and dry hopping. The profile is intense, so dose sparingly or use as a single hop. Because availability is limited, order ahead of the season. Cool storage is essential, as storage stability is moderate.", "substituierbar_durch": [ { "name": "Nelson Sauvin", "hinweis": "Also from New Zealand and equally distinctive, white wine instead of grapefruit." }, { "name": "Pacifica TM", "hinweis": "From New Zealand, similarly fruity but more approachable." }, { "name": "Citra®", "hinweis": "US alternative for tropical citrus profiles, more widely available." } ], "fun_fact": "Riwaka™ is a D-Saaz, a New Zealand selection from Bohemian Saaz material. That an explosive grapefruit monster could emerge from the fine, spicy Saaz is down to New Zealand's terroir and climate, which steered the biosynthetic pathways in a completely different direction from Bohemia.", "quellen": [ { "name": "Plant & Food Research – Riwaka™", "url": "https://www.plantandfood.com/" }, { "name": "NZ Hops – Riwaka", "url": "https://www.nzhops.co.nz/" }, { "name": "Beer Maverick – Riwaka", "url": "https://beermaverick.com/hop/riwaka/" }, { "name": "ACS Omega – Selinene als Marker europäischer Hopfenlinien", "url": "https://pubs.acs.org/doi/10.1021/acsomega.5c06162" } ] }