Saffron Walden silver maces were bought by the corporation in 1549 to commemorate the granting of a new town charter by Edward VI. This purchase is recorded in the town's Guild of Holy Trinity accounts and reads, ""For 2 new maces, weying 18 ownces one quarter and half at 8s. the ownce 7l.7s"". The 12th-century Walden Castle, built or expanded by Geoffrey de Mandeville, the first Earl of Essex, is in ruins. After the medieval period, the castle fell into disuse and much of the flint was taken and used in the construction of local houses and the wall surrounding the Audley
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