Googling on “treacle explode”, it appears that explosions of the expired tins, while rare, are not entirely uncommon either. Here’s one food blogger’s experience: Treacle should be stored at ambient temperature, although it may be warmed just prior to usage. Sugar Australia will expect a useful shelf life of 2 years for drums as delivered and remaining in their sealed and unopened containers.”

Galen, a Greek physician born c. AD 130 in Pergamon, Asia Minor, who studied at Alexandria and practised in Rome, wrote extensively on theriake. The Latin is theriaca. The Greek adjective theriake is derived from therion, ‘a wild or venomous animal’, and modified a noun to describe an antidote to the bite of a wild beast. … The Middle English was tryacle or triacle, from which arises treacle. That this word was in common use in the sixteenth century is evident from the ‘treacle’ bible, also called the ‘Bishops’ bible, an early translation of the Bible into English. 20 Jeremiah, chapter 8, verse 22 reads: “ls there not triacle at Gilead: Is there no Phuition there: why then is not the health of my people recovered?” [24] Hughes JT. St Margaret’s well at Binsey near Oxford O’Connell, Sanjida. Sugar: The Grass that Changed the World. London: Virgin Books Ltd. 2012. Ebook. At St. Margaret’s Church, in Binsey, near Oxford, there is a famous “treacle well”, whose water was thought to have healing properties, and thus it was known as a treacle well. By 1725, as seen in the History section above, treacle was being commonly used to refer to the sugar syrup. Perhaps this is the reason why, in 1728, a writer, writing about treacle the medicinal compound, made sure to distinguish it as Venice treacle:

Frequently Asked Questions

Rare treat ... Jeremy Lee’s beremeal treacle soda bread with smoked salmon. Photograph: Patricia Niven/The Observer Later that same year, Manbré and Garton was taken over by Tate & Lyle. [22] Ibid. Literature & Lore

In fact, it is made from sugar cane molasses that is refined a bit further, until it has a slightly more burnt, bitter taste than does molasses.Flavour syrups, particularly golden syrup and treacle are quite stable and have a useful life in excess of 2 years and thus do not require a ‘use by date’. There may be some darkening of golden syrup over time.” [13] Liquid Sugars. Sugar Australia. Op. Cit. Sugar Kitchen: Your complete usage guide for CSR Sugars and Syrups. Accessed August 2020 at https://csrsugarkitchen.com.au/content/uploads/CSR-SUGAR-KITCHEN-USAGE-GUIDE.pdf There’s no such thing!’ Alice was beginning very angrily, but the Hatter and the March Hare went ‘Sh! Sh!’ and the Dormouse sulkily remarked, ‘If you can’t be civil, you’d better finish the story for yourself’. What did they live on?’ said Alice, who always took a great interest in questions of eating and drinking.