### Question
What does unit of vanilla constituent mean?


### Answer
**Unit of vanilla constituent** has the following meaning in *21 CFR § 101.4*:

> the total sapid and odorous principles extractable from one unit weight of vanilla beans, as defined in paragraph (b) of this section, by an aqueous alcohol solution in which the content of ethyl alcohol by volume amounts to not less than 35 percent.

#### Citation:
  - *21 CFR § 101.4*
