Kindly reference the following links:
http://www.assimalhakeem.net/is-it-permissible-to-use-vanilla-extract-in-food/
Ruling on medicines that are mixed with alcohol (website)
Foods and drinks containing Alcohol Kefr or kefir
Are all fermented foods haram?
Non Alcoholic beer vs Alcoholic beer, What intoxicates in large quantities, a little of it is haram
My clarification about drinking beer & the percentage of alcohol in drinks and food
Medicine that contains Wine vs Alcohol
Medicine that contains Alcohol | Sheikh Assim Al Hakeem