Cinnamon

Cinnamon: History, Active Compounds and Complete Culinary Guide

Cinnamon is one of the oldest known spices, traded across the ancient world for at least four thousand years. It was mentioned in Chinese writing as early as 2700 BCE and was prized by ancient Egyptians for embalming and religious rites. In medieval Europe, cinnamon was so valuable that it helped drive the Age of Exploration — the Portuguese, Dutch, and British all fought to control the cinnamon-producing regions of Ceylon (now Sri Lanka), which produced the finest true cinnamon in the world. Two distinct forms are sold commercially: Ceylon cinnamon (true cinnamon, Cinnamomum verum) — thin, papery, multi-layered quills with a delicate, sweet, complex flavour and relatively low coumarin content; and cassia cinnamon (C. cassia, C. aromaticum) — the harder, thicker sticks common in most British supermarkets, with a more intense, somewhat harsher flavour and higher coumarin content. This distinction matters for health: cassia cinnamon is high in coumarin, which can cause liver damage in susceptible individuals when consumed regularly in large amounts. Ceylon cinnamon is the recommended form for regular use in significant quantities.

Active Compounds and Health Evidence

The primary bioactive compound in cinnamon is cinnamaldehyde — responsible for most of the flavour and studied for antimicrobial, anti-inflammatory, and blood-sugar-modulating effects. The most clinically investigated area is cinnamon's potential effect on blood glucose and insulin sensitivity. Multiple meta-analyses of randomised controlled trials have found that cinnamon supplementation modestly reduces fasting blood glucose and improves insulin sensitivity in people with type 2 diabetes or pre-diabetes — though effect sizes are modest and results across studies are inconsistent. As a culinary spice used at normal food quantities (less than 1 teaspoon per serving), cinnamon's primary contribution is flavour and the modest antioxidant activity of cinnamaldehyde and related polyphenols.

Culinary Uses of Cinnamon

Cinnamon is one of the most versatile spices in global cooking — essential in sweet preparations (apple pie, cinnamon rolls, rice pudding, mulled wine, hot chocolate) and fundamental in savoury cooking across the Middle East and North Africa (Moroccan tagines, Persian khoresh, Egyptian koshary, Greek moussaka). Use ground cinnamon in cakes, biscuits, spiced porridge, fruit compotes, and hot drinks. Use whole cinnamon sticks in mulled wine, rice pilafs, biryanis, and slow braises. Pair with cardamom, cloves, and nutmeg in warm spice blends. In savoury cooking, don't be afraid to use it — cinnamon in meat dishes is one of the great underutilised flavour combinations in British cooking.