sentence: Many alkaloids are toxic to other organisms.
sentences_before: Alkaloids' are chemical compounds that can be made naturally. They contain basic nitrogen atoms. The name comes from the word alkaline and was used to describe any alkaline containing nitrogen. Many alkaloids can be  from basic substances by acid-base extraction.
sentences_after: Some alkaloids have a bitter taste.
concept_name: alkaloid
headings: Alkaloid
categories: Chemical compounds