Carbohydrate 4 : Any member of a very abundant and widespread class of natural organic substances, compounds of carbon, hydrogen and oxygen, that includes the sugars, starch, and cellulose
The Association of Petrochemicals Producers in Europe (APPE), The European petrochemical industry, Glossary of Terms on Chemical Safety for Use in IPCS Publications, van Nieuwenhuyse, Brussels 2006. http://www.petrochemistry.eu/glossary.html, (Petrochem Ind - Brit) {473}