How does freezing auction lot beans preserve their flavour?

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Freezing auction lot beans preserves their flavour by slowing how quickly the coffee “ages”

Freezing auction lot beans preserves their peak flavour by slowing down the rate at which the coffee “ages,” helping keep the beans “fresh” for months. In One Half Coffee Roastery, Keith Koay keeps small quantities of high-value auction-lot beans in a chiller-freezer, including Panama Janson GN7, a natural processed geisha, stored in small individual bottles.
Auction-lot beans are prized for their flavour profiles
Limited edition varietals can fetch a hefty price at coffee auctions because they are prized for their excellent flavour profiles. That makes preserving their peak flavour especially important when the beans are being kept in small quantities for value-driven lots.
Freezing slows the ageing process of the coffee
Koay’s approach is to freeze these beans so the coffee ages more slowly. By slowing this ageing process, the beans are kept “fresh” for months, which helps maintain their peak flavour rather than letting it fade over time.
The storage setup keeps the most valuable lots separate
The beans are stored in a large chiller-freezer labelled “PROVISIONS” in a corner of the roastery. Koay keeps his most valuable auction-lot beans there as small individual bottles, which supports the goal of maintaining their flavour while they are held.
The method is used for limited edition varietals
This freezing method is specifically tied to limited edition varietals that can command high prices at coffee auctions. For those lots, preserving flavour over months is part of how the beans retain the characteristics that make them desirable in the first place.

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How does freezing auction lot beans preserve their flavour?

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