CBP CBP Aging & Maturation

Question 1

What type of barrel must be used for bourbon maturation according to US federal regulations?

Accepted Answer

New charred oak containers

Answer

Used charred oak barrels

Answer

New uncharred oak barrels

Answer

Any wood barrel of the producer's choice

Question 2

What is the primary chemical reaction that gives bourbon its amber color during aging?

Accepted Answer

Extraction of lignin-derived compounds and tannins from the charred wood

Answer

Esterification between acids and alcohols

Answer

Oxidation of congeners by atmospheric oxygen

Answer

Maillard reaction between sugars and amino acids

Question 3

What term describes the portion of bourbon lost to evaporation through the barrel during aging?

Accepted Answer

The angel's share

Answer

The devil's share

Answer

The master's cut

Answer

The warehouse loss

Question 4

Which char level is most commonly used in bourbon barrel production?

Accepted Answer

Char #3

Answer

Char #1

Answer

Char #2

Answer

Char #4 (alligator char)

Question 5

How does warehouse location (rick position) influence bourbon maturation?

Accepted Answer

Upper floors experience greater temperature swings, accelerating extraction and intensifying flavor

Answer

It has no measurable effect on flavor

Answer

Lower floors produce sweeter bourbon due to proximity to the ground

Answer

Middle floors produce the highest proof spirit

Question 6

What is the maximum entry proof at which bourbon distillate may be placed into the barrel?

Accepted Answer

125 proof (62.5% ABV)

Answer

140 proof (70% ABV)

Answer

160 proof (80% ABV)

Answer

190 proof (95% ABV)