Description

Racemicisohumulone is a key isomer of the hop-derived alpha acids, specifically the racemic mixture of isohumulone. This compound is of significant commercial interest due to its role as a primary contributor to the characteristic bitter flavor and foam stability in beer. It is essential for breweries, flavor houses, and research institutions focused on beverage science, hop chemistry, and natural product extraction. The quality and consistency of this material directly impact the sensory profile and quality control of finished products.

Application

• Beverage Industry: Primary application as a standardized bittering agent and foam stabilizer in beer production.
• Flavor & Fragrance: Used as a reference standard and as a natural flavoring component in alcoholic and non-alcoholic beverages.
• Analytical & Research: Serves as a critical analytical standard for HPLC and spectrophotometric quantification of iso-alpha acids in hops, wort, and beer.
• Hop Extract Refinement: Employed in the purification and fractionation processes of commercial hop extracts to obtain specific bittering profiles.
• Food Science Research: Studied for its antioxidant properties and potential health-related bioactive effects.
• Quality Control Laboratories: Essential for calibrating equipment and validating methods in brewery QC labs and第三方 testing facilities.

Basic Information

Product Name	Racemicisohumulone
CAS No.	29788-65-6
Molecular Formula	C21H30O5
Molecular Weight	362.46 g/mol
Synonyms	(±)-Isohumulone; Isohumulone, racemic; trans-Isohumulone; 4,6-Dihydroxy-3-(3-methyl-2-butenyl)-2-(3-methyl-1-oxobutyl)-4,6-cyclohexadien-1-one; 4,6-Dihydroxy-3-isopentenyl-2-isovaleryl-1,3,5-cyclohexatrien-1-one; Hop bitter acid; Iso-alpha acid
EINECS	Contact for details

Quality Control

Our Racemicisohumulone is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles, typically determined by HPLC and spectroscopic methods. We support compliance with relevant food-grade and analytical standard requirements for the beverage and research industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to minimize oxidation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to Amber Powder or Resin
Identification (IR)	Conforms to Reference Spectrum
Assay (HPLC)	≥ 95.0% (as Isohumulone)
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solvent Residue (GC)	Meets ICH Guidelines
Heavy Metals	< 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.