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Hops Analysis

What can you expect?

Please ensure that all samples for testing are delivered to our lab by the days and dates indicated below so that we can ensure a timely response. Hop samples will be processed in the order they are received, with fresh samples given priority over dried. During the harvest season, please deliver samples to us by Wednesday each week to ensure results by the following Friday. Do not send fresh hops to the lab on Fridays.

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CBEL Hop analysis schedule for 2019

Month Samples Received By:
May May 22, 2019
June June 19, 2019
July July 24, 2019
August Wednesdays
September Wednesdays
October Wednesdays
November November 20, 2019
December December 18, 2019

Mail or hand-deliver your sample(s) to the following address:

Cornell Brewing Extension Lab Attn: Kaylyn Kirkpatrick
NYSAES-110 Agricultural Sciences Research Laboratory
665 W. North Street
​Geneva, NY 14456 USA

Hops Analyses (Fresh or Dried Hops)

Alpha and Beta Acids, Hops Storage Index, Moisture - $30

  • Alpha and beta acids are indicative of harvest maturity and characteristic of hop cultivar.
  • The hops storage index (HSI) is used to estimate alpha and beta acid loss due to storage and handling.
  • Includes: 10% moisture adjusted acids content (%) and moisture/dry matter (%)
  • Sample Size Needed: 10 grams 

Moisture - $15

  • Hops moisture (commonly reported as percent dry matter) is an important value for harvest determination.
  • Drying hops to their ideal moisture content (8-12%) maximizes hops quality.
  • Sample Size Needed: 10 grams

Total Oils - $30

  • Hop oils contribute aroma to beer, and oil content can be a quality indicator of hops samples.
  • Includes: 10% moisture adjusted total oil content (mL/100 g hops) and moisture/dry matter (%)
  • Sample Size Needed: 100 grams

Essential Oil Composition- $70

  • Gas chromatographic analysis of 11 aroma compounds found in hops essential oil.
  • Including myrcene, beta-pinene, limonene, linalool, caryophyllene, humulene, geranyl acetate, nerol, geraniol, methyl-2-methylbutyrate, and beta-citronellol.
  • Sample Size Needed: 100 grams

Brewing Quality Package - $100

FOR FINISHED (DRIED/PELLET) HOPS ONLY

  • Includes moisture, alpha and beta acids, total oil & essential oil composition
  • Sample Size Needed: 150 grams

Sampling instructions for fresh hops:

  • Representative sample (not the “best” or “worst” looking)
  • Sealed bag (zip top closure)
  • Next day deliver before 1 pm
  • Cold packed

Sampling instructions for dried hops:

  • Representative sample (in “to be sold” condition)
  • Sealed bag (zip top closure or vacuum sealed foil barrier package)

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