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The Chemistry of a Croissant in Paris

On a recent trip to Paris, biting into this flaky pastry, I realized what we often don’t talk about in R&D: the ‘wow’ factor doesn’t always mean massive innovation; it also means keeping three critical, volatile flavor molecules alive across different suppliers, different ovens, and different weeks.

The essential flavor signature often comes down to protecting the most fragile components of the profile:

Diacetyl (the butter punch)

Acetoin (the smooth dairy bridge)

Maltol (the roasted crust signal)

The goal for any developer is to ensure the flavorings stay stable over time and under various storage conditions and that every ingredient delivers cost-in-use flavor efficiency under real-world, supply-chain stress.

This constant effort to achieve consistency amidst the pressure of minimal margins and tight deadlines highlights the core R&D challenge: successfully making the volatile reliable.


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