Gaston calls Dr. Aloin (Noel Howlett), who diagnoses the Englishman as suffering from schizophrenia. The presence of aloin cells is a distinctive character of the Aloeae. Most aloe juices today do not contain significant aloin. Having opened a London branch in 1848, in 1851 the company discovered Aloin. Once ingested, aloin increases peristaltic contractions in the colon, which induces bowel movements.