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I seen several times the claim than sugar was an essential nutrient for industrial revolution workers (for example this blog) and even that sugar availability made possible the industrial revolution, at least in Britain.

My (maybe wrong) understanding of these claims is that sugar became a sort of staple food for British workers. However, I can't imagine people having a bowl of sugar for lunch but I suppose a diet made mostly of bread, potatoes, vegetables and occasionally a little meat, with sweet food being mostly deserts or snacks, and even then those sweet foods are mostly composed of ingredients other than sugar, like flour. Therefore, I can't see where a large quantity of sugar fits in an industrial revolution worker diet.

Is it true that industrial revolution British working class families consumed large quantities of sugar? How did they consume it?

Edit:

According to the book linked in Brian Z's answer (Syndney Mintz's classic book Sweetness and Power, chapter "Consumption", p. 149) before 1850 sugar have been mostly a sweetener for tea which added very few calories to worker's diet, but after 1850 "it appeared not only in tea and cereal but in many other foods as well and in ever-larger quantities" and it was contributing to one-sixth or per-capita caloric intake.

1/6 of daily caloric intake is 1/6 of 2000 to 2500 kcal, that is about 400 kcal, and that's a bit more than the calories in 100g sugar, which is an amount better measured with a teacup than in teaspoons.

Then the question is what the "many other foods" containing sugar that labouring families ate daily were.

  • Is it possible that sugar was a significant part of tea? including both the beveragethe meal involving sweets? I think the analysis in "even then those sweet foods are mostly composed of ingredients other than sugar, like flour" is flawed - the statement is that sugar was essential (I can't call it a nutrient), not that it was eaten in isolation. I Why doesn't this question address the substance of the quoted article?. I think the quoted blog answers the question. – Mark C. Wallace Jun 12 at 16:34
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    @MarkC.Wallace - Since sugar only carries calories, for it to be essential one must eat a large quantity of sugar. The sugar in a few cups of tea doesn't seem to be a large quantity. And of course neither the linked article nor the question implies that sugar was eaten alone, just that an important quantity of it was eaten. The question is how was it eaten. A bag of candy for every worker? A cake for breakfast? A box of cookies with five o'clock tea? – Pere Jun 12 at 17:22
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    I suspect it was consumed at tea and at every meal. Sugar is calorie dense and easy to insert into any food. Personally, I drink several pots of tea a day. If I took 2 tsp in each cup, I could easily reach 1/6 of my calories. (my earlier math was erroneous; thank you for the correction). – Mark C. Wallace Jun 12 at 17:29
  • 1/6 of daily intake of calories is about 100g of sugar. That's not the sugar in some cups of tea but a whole cup of sugar. – Pere Jun 12 at 17:35
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    Don't know about XIX c. UK, but traditional sweets in Portugal have a lot of sugar. Every village or convent has a local recipe with a lot of eggs and sugar, often it is not 'mostly flour'. Fruit conserves, confits or marmelades (France) also may have lots of sugar - it is useful to conserve them for a long time. And some are quite cheap. I would look for the sweet recipes from your epoch/place, and I would not be surprised if daily desserts actually contained a lot of sugar, besides the sugar on every tea or coffee cup. Some of my early XX c. worker class relatives appeared quite plump. – Luiz Jun 12 at 18:34
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For a detailed account, see Syndney Mintz's classic book Sweetness and Power, especially the chapter "Consumption". On p. 149 he mentions that by 1900, sugar "was contributing on average nearly one-sixth of per-capita caloric intake" for England as a whole, and that the portion would have been significantly higher for working-class women and children. You are correct that people were not eating bowls of sugar, but they were adding more and more sugar to a wide range of foods that did not contain them previously, mainly along the lines you mention in your question. If 1/6 doesn't seem such a big deal, keep in mind that the number was essentially zero a few centuries before.


EDIT: In response to the further elaboration of the question, here's a few relevant quotes from Mintz

The pastries, hasty puddings, jam-smeared breads, treacle puddings, biscuits, tarts, buns, and candy that turned up more and more in the English diet after 1750, and in a deluge after 1850, offered almost unlimited ways in which the sugars could be locked onto complex carbohydrates in flour form. Added sugar was customary with hot beverages, and the eating of sweetened baked foods often accompanied these drinks. The drinking of tea, coffee, or chocolate (but most commonly tea) with meals, in moments of repose snatched from work, at rising, and at bedtime spread widely. The combination of such beverages with baked goods became common as well, though not an invariable practice. (p. 133)

[...]

There is no doubt that the sucrose consumption of the poorer classes in the United Kingdom came to exceed that of the wealthier classes after 1850, once the sugar duties were equalized. Not only did sucrose-heavy foods-treacle, jams, raw sugar for tea and baking, puddings, and baked goods-come to form a bigger portion of the caloric input of the working-class diet (though probably not absorbing a larger proportion of the money spent on food), but sucrose was also an ingredient in more and more items in the daily meals. Children learned the sugar habit at a very tender age; sweetened tea was a part of every meal; jam, marmalade, or treacle figured in most. In the late nineteenth century dessert solidified into a course, sweetened condensed milk eventually became the "cream" that accompanied tea and cooked fruit, store-purchased sweet biscuits became a feature of the tea, and tea became a mark of hospitality for all classes (pp. 143-144).

He also mentions that sweetened wine and other alcoholic drinks with added sugar were uniquely popular in England (p. 136).

| improve this answer | |
  • +1 I would upvote the answer for the edit, but the system doesn't let me upload twice. – Pere Jun 13 at 21:23
  • @Pere Better than a second vote, you can mark the answer accepted with the check mark :) – Brian Z Jun 15 at 22:23
  • Sorry, I had forgotten that. – Pere Jun 16 at 7:59

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