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Green Bullet Hop New Zealand Hop

Green Bullet Hop

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Country:New Zealand (NZ)
International Code:GBU

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Purchase Green Bullet Hops

This hop can be purchased at Yakima Valley Hops.

Origin and Geneology of the Green Bullet Hop

Green Bullet's parents were a Smoothcone and an open pollinated variety. It was developed in New Zealand DSIR Research Station. It was released in 1972.

New Zealand hops begin to be harvested in late February or March and continues through to early April.

Flavor & Aroma Profile of Green Bullet Hops

Green Bullet is a dual-purpose hop that can be used in all hop additions throughout the brewing process.

Specific aroma descriptors of the Green Bullet hop includes black pepper, pine, plum and dried fruit characters; high levels of floral oil that complements and balances the piney resinous hop character. It has a resinous character reminiscent of Styrian Goldings, but layered with hints of musky Southern Hemisphere fruit.

It is traditionally considered a bittering variety for lagers, but also carries spicy characteristics typical of other Slovenian hop varieties.

This hop is regarded as a “workhorse” in its native New Zealand and is widely used there.

Tags: #pine  #black_pepper  #plum  #resin  #dried_fruit  #floral 

Brewing Values for Green Bullet Hops

These are the common ranges that we've seen with Green Bullet 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 »
13% avg
Beta Acid %Beta acids are a component of hop resins responsible for contributing volatile aromatic and flavor properties. Beta acids contribute no bitterness.6.5-7.0%
6.8% 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.2:1 - 2:1
2:1 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 »38-43%
40.5% 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 »1.0-1.4 mL
1.2mL avg
Total Oil Breakdown:
›  MyrceneFlavors: resinous, citrus, fruity (β-myrcene) 37-39%
38% avg
›  HumuleneFlavors: woody, noble, spicy (α-caryophyllene) 28-29%
28.5% avg
›  CaryophylleneFlavors: pepper, woody, herbal (β-caryophyllene) 9-10%
9.5% avg.
›  FarneseneFlavors: fresh, green, floral (β-farnesene) 0-1%
0.5% avg
›  All OthersIncluding β-pinene, linalool, geranoil & selinene 21-26%

Beer Styles using Green Bullet Hops

Some popular beer styles that make use of the Green Bullet hop include Lager, Ales, Stout, Saison, Bock & ESB.

Green Bullet Hop Substitutions

If the Green Bullet 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 Green Bullet substitutions.

Experienced brewers have chosen the following hop varieties as substitutions of Green Bullet:

Is Green Bullet available in lupulin powder?

Unfortunately, there is no lupulin powder version of the Green Bullet hop. Neither Yakima Chief Hops (Cryo/LupuLN2), Haas (Lupomax) or Hopsteiner have created versions of this hop in lupulin powder form yet. Too bad too - it is pure hop lupulin powder, which leads to huge, concentrated flavor when used in the whirlpool or dry hop additions.

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