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Riwaka Hop New Zealand Hop

Riwaka Hop

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Purpose:Aroma
Country:New Zealand (NZ)
International Code:RWA
Cultivar/Brand ID:SaazD or 85.6-23
Ownership:™ NZ Hops Ltd.

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Purchase Riwaka Hops

Riwaka hops are available to be purchased from multiple suppliers. We've conveniently linked to the most popular hop suppliers as well as Amazon.com. Every supplier may have different prices, harvest years and amounts available for purchase.

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Origin and Geneology of the Riwaka Hop

Riwaka (AKA D-Saaz) is a triploid variety crossed with an old line Saazer and specially developed New Zealand breeding selections. It was released in 1996.

Flavor & Aroma Profile of Riwaka Hops

Riwaka is an aroma hop that is typically used in only late boil additions, including dry hopping.

Specific aroma descriptors of the Riwaka hop includes powerfully fueled tropical passion fruit with grapefruit and citrus characters. This variety has a higher than average oil content, almost double that of its Saazer parent.

Tags: #tropical_fruit  #passion_fruit  #grapefruit  #citrus 

Brewing Values for Riwaka Hops

These are the common ranges that we've seen with Riwaka hops over the years. Each year's crop can yield hops that have slightly different qualities, so these number ranges are based on history.

Alpha Acid % (AA)
Alpha acids are the main source of bitterness in beer. Longer boil times will result in isomerization of more alpha acids leading to increased bitterness. Learn more »
4.5-6.5%
5.5% avg
Beta Acid %Beta acids are a component of hop resins responsible for contributing volatile aromatic and flavor properties. Beta acids contribute no bitterness.4-5%
4.5% avg
Alpha-Beta RatioThe ratio of alpha to beta acids dictates the degree to which bitterness fades during aging. 1:1 ratios are common in aroma varieties.1:1 - 2:1
1:1 avg
Co-Humulone as % of AlphaLow cohumulone hops may impart a smoother bitterness when added to the boil as opposed to higher ones that add a sharper bitterness to the final beer. Learn more »29-38%
33.5% avg
Total Oils (mL/100g)These highly volatile, not very soluble oils are easily boiled off, but add flavor and aroma to the finished beer when added very late in the boil or during fermentation. Learn more »0.8-1.5 mL
1.2mL avg
Total Oil Breakdown:
›  MyrceneFlavors: resinous, citrus, fruity (β-myrcene) 67-70%
68.5% avg
›  HumuleneFlavors: woody, noble, spicy (α-caryophyllene) 8-10%
9% avg
›  CaryophylleneFlavors: pepper, woody, herbal (β-caryophyllene) 2-6%
4% avg.
›  FarneseneFlavors: fresh, green, floral (β-farnesene) 0-1%
0.5% avg
›  All OthersIncluding β-pinene, linalool, geranoil & selinene 13-23%

Beer Styles using Riwaka Hops

Some popular beer styles that make use of the Riwaka hop include Pale Ale, IPA & Pilsner.

Riwaka is also sometimes featured as a single hop in beers to highlight its unique flavors and aromas. Some popular examples of commercial beers that use 100% Riwaka hops in their recipes are Hill farmstead Riwaka Single Hop Pale Ale.

Riwaka Hop Substitutions

If the Riwaka hop is hard to find or if you are simply out of it on brew day, you can try to substitute it with a similar hop. The old way of choosing replacement hops was done by experience and "feel". There is nothing wrong with that way. However, we wanted to build a data-driven tool to find your Riwaka substitutions.

Experienced brewers have chosen the following hops as substitutions of Riwaka:

Is Riwaka available as Cryo/Lupulin powder?

Unfortunately, there is no lupulin powder version of the Riwaka hop. Neither Yakima Chief Hops (Cryo/LupuLN2) nor Haas (Lupomax) have created versions of this hop in lupulin powder form yet. This new type of hop product is pure concentrated lupulin powder, which leads to more flavor when used in the whirlpool or dry hop additions.


If you see an error in our data, please let us know!

We are not affiliated with any hop manufacturer. All copyrights and data are provided by their respective owners.

References:
  1. https://beermaverick.com/the-most-common-hops-used-in-ipas/
  2. https://beermaverick.com/analyzing-the-usa-hop-production-statistics-of-2019/

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