History of saffron Gâtinais, Normandy, Périgord, Poitou, Provence, and Quercy. Its mysterious decline started during the 18th century, possibly due to pandemic fungal diseases destroying bulbs and crops, to particularly cold winters, and to competing market from the Mediterranean countries. In England, cultivation "persisted" only in the light, well-drained, and chalk-based soils of the north Essex countryside. The Essex town of Saffron Walden got its name as a saffron growing and trading centre; its name was originally Cheppinge Walden, and the culinary name change was effected to punctuate the importance of the crop to the townsfolk; the town's arms still feature blooms from
Saffron (preferably) sealed in airtight containers. One freshly picked flower yields an average of fresh saffron or dried; roughly 150 flowers yield of dry saffron threads; to produce of dried saffron, of flowers are needed; yields of dried saffron. To glean of dry saffron requires the harvest of 50,000–75,000 flowers; a kilogram requires 110,000–170,000 flowers. Forty hours of labour are needed to pick 150,000 flowers. Saffron contains more than 150 volatile and aroma-yielding compounds. It also has many nonvolatile active components, many of which are carotenoids, including zeaxanthin, lycopene, and various α- and β-carotenes. However, saffron's golden yellow-orange colour is primarily