Category Archives: Katherine Foxhall

Following Valerian: New Name, Old Idea

Katherine Foxhall

In late August, 1781, Sir Charles Blagden, physician, Francophile, army surgeon and Fellow (later to be Secretary) of the Royal Society of London received a letter from his friend, Thomas Curtis. Curtis was concerned about the health of his son, who for more than a decade had suffered a ‘very peculiar kind of head ach’ with ‘a dizziness, or partial vision’, and which recently seemed to coincide with the fortnightly full or changed moon. Curtis had sought the opinions of plenty of doctors, but their prescriptions had failed. Blagden responded swiftly. He proposed that the young man was suffering from what the French called migraine. Blagden was not convinced that the moon’s phases were causing Curtis’ illness, but if the young man’s disease returned on 12 September 1781 (the date of the next full moon), Blagden instructed that the young Mr Curtis should have twelve ounces of blood taken a week later, and then to trial valerian ‘in considerable doses’, increasing the dose until his stomach could bear no more.

'Valerian'. Credit: Wellcome Collection: https://wellcomecollection.org/works/rw9eqv2m.
‘Valerian’. Credit: Wellcome Collection: https://wellcomecollection.org/works/rw9eqv2m.

Having long been known as an anticonvulsant, by the middle of the eighteenth century the herb Valerian had become something of a fashionable prescription for treating migraine. The distinguished physician Richard Mead, author of the famous Treatise concerning the influence of the sun and moon upon human bodies (1748) recommended frequent use of valerian root for periodic diseases of the head ‘pulverized before it shoot out its stalk’.[1] This seems to have prompted the Scottish physician John Fordyce to try it for his own hemicrania. Finding it of very great benefit, he recommended taking drachm doses of valerian three or four times a day in his essay De Hemicrania (1765). Erasmus Darwin included both bleeding and valerian in Zoonomia as treatments for the symptoms of hemicrania, and physicians throughout the nineteenth century would continue to recommend the herb. Such influential texts explain why Blagden turned to valerian for his young patient’s periodic ailment, but it struck me that this had not been one of the herbs that I had come across during the many months I had spent researching the Wellcome Library’s collection of recipe books for seventeenth century migraine remedies, though Nicholas Culpeper talked of valerian’s warming properties, and recommended the root for headache, diseases of the eyes, wounds splinters and thorns. I forgot about Curtis, and moved on. Then, by accident, I discovered that the valerian family also contains a plant called spikenard, and the penny dropped. Like valerian root, spikenard has an earthy musky odour, and a similar effect on the body – having sedative and relaxing properties. Suddenly, valerian didn’t appear to be an eighteenth-century story, but an episode in a longer history, which I’ve written about here before.

But the story goes back even further. The dispensatory of the Nestorian physician and pharmacologist Sābūr ibn Sahl, from southwestern Iran, is one of the earliest pharmacopeia written in Arabic. Dating from the ninth century CE, it provides important evidence of medieval Eastern Arabic medical practice. In Chapter Four of the dispensatory instructions set out the preparation of nard oil, an expensive essential oil with sedative properties used to treat hemicrania, among other things. This was an expensive recipe requiring a large investment to collect over twenty herbal ingredients (including cyprus, laurel, elecampane, citronella, myrtle leaves, wild caraway, forget-me-not, sweet marjoram, stalkless roses, fresh myrtle-water, myrrh and grape ivy), and prepare them with different liquids in three stages taking several days. The third stage took Indian spikenard (the ingredient that gave ‘nard oil’ its name), pounded together with cloves, storax, nutmeg, added to fresh water, balm oil and the strained oil from the previous two stages. Then the whole concoction should be boiled until the water had disappeared, before being bottled, stored and used as required.

Remedies for 'Mygreyn' in a Fifteenth century leechbook. Credit: Wellcome Collection MS.MSL.136: https://wellcomelibrary.org/item/b19295467#?c=0&m=0&s=0&cv=192&z=0.0194%2C0.2362%2C0.8409%2C0.673.
Remedies for ‘Mygreyn’ in a Fifteenth century leechbook. Credit: Wellcome Collection MS.MSL.136: https://wellcomelibrary.org/item/b19295467#?c=0&m=0&s=0&cv=192&z=0.0194%2C0.2362%2C0.8409%2C0.673.

Several centuries later, we find a mid fifteenth-century English ‘leechbook’ contained a recipe for migraine attributed to ‘Galen the good philosopher’ that required several of these same ingredients: nutmeg, ginger, cloves, a pennyweight of ‘spiknard’, anise, elecampane, liquorice, and sugar. By the sixteenth century, spikenard was appearing in print. In 1526, the anonymously published A New Book of Medecynes gave a recipe for migraine, postume and dropsy requiring ‘iiii peny weyght of the rote of Pyllatory of Spayne / a half peny weyght of Spygnarde’, ground together and boiled in good vinegar. The compilers of recipe books (including this blog’s favourite Mrs Corlyon) adapted these remedies to local conditions, substituting herbs of similarly warm, dry and aromatic qualities (such as sage and rosemary) that they could more easily obtain or grow. Following translations is notoriously hard, as Sietske Fransen’s post shows, but spikenard and valerian have weaved their way through more than a thousand years of migraine history. Does it work? Perhaps. It certainly has sedative properties, so today it’s more commonly used for insomnia.

[1] Richard Mead, A Treatise concerning the influence of the sun and moon upon Human Bodies and the Diseases thereby produced trans. Richard Stack (London: J. Brindley, 1748), 84-6

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Katherine Foxhall is Lecturer in Modern History at University of Leicester. Her new book, a history of migraine, will be published by Johns Hopkins University Press in 2019.

Tales from the Archives – Gumpowder? A strange little recipe for sensitive teeth…

In September 2017, The Recipes Project celebrated its fifth birthday. We now have over 600 posts in our archives and over 150 pages for readers to sift through. That’s a lot of material! (And thank you so much to our contributors for sharing such a wealth of knowledge on recipes.) But with so much material on the site, it’s easy for earlier pieces to be forgotten. So, the editors have decided that, every now and then, we’ll pull something out of the archives to share with our readers anew.

November in the UK is marked by fireworks, which commemorate the failed Gunpowder Plot, orchestrated by Guy Fawkes in 1605. When I first moved to the UK in 2001, I was a little surprised to see firework displays in the Autumn – in Belgium and France they are much more common in the Summer. However, I quickly got used to wrapping up warm to go and enjoy sparkling nights.

I have trailed the Recipes Project archive for a firework-related post, and have found this post from 2012 by Katherine Foxhall on the therapeutic uses of gunpowder. Certainly not one to try at home!


By Katherine Foxhall

If you go to your bathroom and check the ingredients in your well-known brand of sensitive toothpaste, you may well find that the recipe contains the active ingredient potassium nitrate. Also known as saltpetre or nitre, this naturally occurring mineral is found in foods as a preservative (e.g. corned beef), and used in fertilizer, cigarettes, blood pressure medicines and fireworks. Since medieval times it has formed one of the main ingredients in gunpowder, and it is this connection that has also given potassium nitrate a long association with teeth and gums.

Many of the seventeenth and eighteenth century recipe books in the Wellcome Library’s manuscripts include treatments for gunpowder burns, but some also proposed that gunpowder could be therapeutic. Katherine Jones, Lady Ranelagh (sister to the famous chemist Robert Boyle), recommended a ‘little gunpowder’ applied in a linen cloth to ease toothache. On one page of Anne Brumwich’s recipe book (Wellcome MS 160, p.83) we can find nine recipes for toothache remedies written in two different hands. One, ‘An aproved medecine for ye toothake’ (approved meant that it worked) required gunpowder, aniseed water and lint, mingled together to ‘make a litell thing’.

Once the sufferer had picked their tooth very clean, the recipe instructed them to push the preparation into the tooth, taking care not to allow any of the mixture down the throat.

A century later, in A Treatise on the Scurvy (1795) David Paterson introduced his fellow naval surgeons to a wonderful, and apparently unknown remedy for scurvy: during a voyage in 1784, he claimed, he had restored the health of eighty sick seamen not with lemon juice, fresh fruit or vegetables, but with the potassium nitrate extracted from the gunpowder in his ship’s stores. Paterson’s remedy was soon forgotten, until in 1828, a desperate surgeon named Charles Cameron, having used up all his supplies of lemon juice, remembered Paterson’s recipe. Cameron was stranded in the calms near the equator and he was faced with a ship’s hospital full of scorbutic convicts, less than half way through the voyage to Australia. He extracted the nitre from the powder, dissolved some of it in vinegar, and mixed some more with vinegar and lime juice. He also added a little sugar (to taste?!) The effects were ‘miraculous’.

For the Navy, if Cameron was right, this was a money-saving opportunity; nitre was cheap and did not decompose over time. In the following decades surgeons continued to experiment with different remedies for scurvy until, in 1840, the Admiralty decided to perform a large-scale experiment to determine once and for all the best scurvy remedy. Over the next four years the surgeons of sixty ships transporting fifteen thousand convict men from Britain and Ireland to Australia received crystallised citric acid, potassium nitrate, and lemon juice. Their instructions clearly forbade the surgeons from trying to cause scurvy during the voyage but if the disease did appear, the patients were to be divided into three groups, each group receiving one of the remedies. Of course, the surgeons often had their own ideas, and often altered, combined and varyed the doses according to their own personal favoured recipe. So, while Surgeon Deas mixed some nitre with lime juice and some with citric acid, and felt that both mixtures were useful, Alexander Bryson gave each group the remedies mixed in a glass of wine, water and sugar. After many of the convicts developed severe scurvy, Bryson finally decided that potassium nitrate was ‘objectionable’. The surgeons had come to very different conclusions about the value of potassium nitrate but the results of the experiment were clear; potassium nitrate was abandoned as useless, lemon juice was in for good.

In the mid 1970s, dental researchers – in laboratories this time, rather than on ships – began to report a strange occurrence: mixing potassium nitrate with toothpaste seemed to reduce dental sensitivity in sufferers.  More work confirmed the compound’s beneficial effects, but the scientists still admitted that they were unclear why it should work; being soluble, it seemed that it should simply dissolve in water and wash out of the teeth at first rinse.

Jump forward again to the present, and potassium nitrate is often used as the active ingredient in products for sensitive teeth. So we have come a long way in medical understanding since women like Anne Brumwich stuffed aching teeth with gunpowder soaked lint, or Victorian naval surgeons dosed their convicts with nitre in the certainty that it helped with scurvy, and yet nitre has proved persistent: these earlier ideas about potassium nitrate’s ability to reduce not only the pain of toothache, but the symptoms of scurvy – a disease so commonly experienced in the mouth and gums – are worth wondering about.

Hunting for herbs: chasing migraine remedies across the centuries

Katherine Foxhall

I was delighted to see Mrs Corlyon’s recipe book (Wellcome MS.213) as the subject of Jennifer Sherman Roberts’ recent post on this blog. Here, I am going to explore another of Mrs Corlyon’s recipes:

A Gargas or Medecine for the Megreeme in the heade.

Take Sage Rosemary and of Pellitory of Spaine, the rootes of eche of these a like quantity, and boil them in a pinte of Vineger, uppon a chafing dish of coales, untill halfe be consumed, then putt therein two good spoonefulles of Mustard beyng made with good vineger, and so lett it boile a while, And then take a litle of it, as hott as you can suffer and holde it in your mouthe, as you shall feele occasion and then spitt it out, and take more and doe this five or six times every morninge so long as you shall fynde occasion or feele your selfe greeved.

My current book project is a history of migraine from the sixteenth to the nineteenth century (funded by the Wellcome Trust). Having found nearly a hundred different recipes for migraine treatments in published and manuscript remedy collections from the late sixteenth to the mid seventeenth century, I have become fascinated by examples of knowledge transfer from print to manuscript and vice versa.

It seems likely that recipes would often have made this leap. Cheap medical books were common in the seventeenth century, and recipe collections were among the most affordable, costing only a couple of pence. For example, in his Breviary of Helthe (1547) – one of the earliest medical texts to have been published in English, and which went through at least six editions by 1598 – Andrew Boorde recommended that sufferers of ‘megryme’ should avoid eating garlic, ramsons and onions. Similar advice appeared in Philip Barrough’s Method of Phisicke (1583). Sure enough, a few years later we find Mrs Corlyon recommending that sufferers of migraine should ‘forbeare much butter or anything wherin Garlicke, onions, or any leeke be used’.

It is also interesting to note the recipes that did not end up in manuscript collections, suggesting knowledge that remained purely theoretical. Bleeding for migraine was common in print, but did not seem to translate into personal collections. Neither did recipes for migraine reflect a fashion for New World tobacco, nor feature ingredients such as bole armoniac or terra sigillata deriving from classical medical traditions. Many published books contained details of simples (single ingredients, often herbs) but compilers of manuscript recipe collections rarely stuck with one, when several would do.

B0009211 Tanacetum cinerariifolium Credit: Dr Henry Oakeley. Wellcome Images images@wellcome.ac.uk http://wellcomeimages.org Tanacetum cinerariifolium Sch.Blp. Asteraceae Dalmation chrysanthemum, Pyrethrum, Pellitory, Tansy. Distribution: Balkans. Source of the insecticides called pyrethrins. The Physicians of Myddfai in the 13th century used it for toothache. Gerard called it Pyrethrum officinare, Pellitorie of Spain but mentions no insecticidal use, mostly for 'palsies', agues, epilepsy, headaches, to induce salivation, and applied to the skin, to induce sweating. He advised surgeons to use it to make a cream against the Morbum Neopolitanum [syphilis]. However he also describes Tanacetum or Tansy quite separately.. Quincy (1718) gave the same uses Woodville (1792) only recommends it for intestinal worms, Bentley (1861) used it as a tonic and for intestinal worms, Flucker & Hanbury (1879) used it to induce salivation. Martindale (1936) had all the insecticidal uses from scabies to mosquito repellent and as a treatment for intestinal worms. Whatever the confusion regarding names, it is hard to see that it was used as an insecticide until a hundred years ago. Photographed in the Medicinal Garden of the Royal College of Physicians, London. Photograph May 2009 Published:  -  Copyrighted work available under Creative Commons by-nc-nd 4.0, see http://wellcomeimages.org/indexplus/page/Prices.html
Tanacetum cinerariifolium (Pellitory of Spain) Credit: Wellcome Library, London.
To return to Corlyon’s recipe: sage, rosemary and pellitory of Spain were considered hot and dry herbs, and therefore  good for migraines, as they were supposed to draw out excess phlegmatic and waterish humours from the head (see Anne Stobart’s post on herbal qualities). Sage and rosemary also have a strong aromatic smell, and combined with the pungent vinegar and mustard would have enhanced a sensation of the remedy infusing through the head.

So the rationale behind the recipe seems clear, but can we trace its provenance more precisely? Searching for pellitory of spain in recipe collections from Early English Books Online yields some interesting leads. In 1526, the anonymous A New Book of Medecynes contained a recipe ‘for the mygrayme in the heed’ requiring ‘rote of Pyllatory of Spayne / a half peny weyght of Spygnarde’, to be ground together, boiled in vinegar, mixed with honey and mustard and held in the mouth a spoonful at a time. This recipe was not new even then: it also appears in a fifteenth-century leechbook, with the additional instruction to hold the preparation in the mouth ‘as long as though mayest say two Agnus Dei’. We find a similar recipe in Thomas Vicary’s English Man’s Treasure (1586), this time requiring ‘Pelitorie of Spaine’, ‘Stavisacre’, ginger and cinnamon in a linen bag soaked in vinegar and held in the mouth. I was excited to be able to trace this back further still to a fourteenth-century collection containing a remedy for ‘Þe mygrenen’ requiring ‘peletir of spane and stafsacre in a litil poke’.

V0044644 Seven different types of sage (Salvia species): flowering st Credit: Wellcome Library, London. Wellcome Images images@wellcome.ac.uk http://wellcomeimages.org Seven different types of sage (Salvia species): flowering stems and leaves. Coloured lithograph. Published:  -  Copyrighted work available under Creative Commons Attribution only licence CC BY 4.0 http://creativecommons.org/licenses/by/4.0/
Seven different types of sage (Salvia species): Credit: Wellcome Library, London.

Mrs Corlyon’s recipe simply replaces Stavesacre, a poisonous plant of the delphinium family, grown in southern Europe, and Spikenard, an aromatic plant from the Himalayas, with similarly hot and dry herbs (sage and rosemary) that she could more easily obtain or grow herself. It is always difficult to know how ordinary people read books, and the extent to which knowledge on paper was adapted in practice, but tracing recipes such as this shows how practical knowledge could remain ‘current’ even across the space of several centuries.

Pilau, eighteenth-century style

To follow Katherine Allen’s post on tobacco: some thoughts on a different colonial import. Researching in recipe books often presents tempting diversions, and this recipe for ‘Pilau after the East Indian manner’ looks pretty tasty.

Sarah Tully [and others], Book of receipts for Cookery and Pastry, eighteenth century. Wellcome Library MS 8687. Image credit: Wellcome Library (author’s own photo).
Boil half a pound of Butter to a pound of Rice & when the Butter is turn’d to Oil put in some Mace Cloves whole pepper & cinnamon together with the Rice and stir it about & let it fry till the Butter is almost dryd & soak’d away, Let a Fowl at the same time be boiling in Mutton Broth till it be enough & then pour as much Broth upon the Rice as will cover it about three Inches & let that boil away without stirring, only raising it now & then from the bottom for fear of its being burnt, then add by degrees a little & little more Broth until the Rice is boiled           th[r]ough and quite Dry, then Dish it, putting the Fowl in the Dish first & pouring the Rice over it with some Salt according to your Taste.

The recipe comes from Sarah Tully’s recipe book which she probably began when she married Sir Richard Hoare, heir to Hoare’s bank and, by 1745, Lord Mayor of London. A portrait of Sarah Tully in the National Trust collection depicts her amid rural scenery, dressed as a shepherdess. Unfortunately, Sarah died only four years after her marriage. She left one son, and other anonymous hands continued her recipe collection.

We have seen in recent posts about chocolate and gingerbread that spices such as cinnamon and cloves were common ingredients in the early modern household, but the Hoare household seemed to have been uncommonly fond of foreign flavours for their time. Recipes include ‘A Loyn of Mutton Kebob’d’, ‘currie powder’ and ‘Indian pickle’, in addition to cosmopolitan European recipes for ‘Parmason cheese’ and ‘Fromage Fondu’. Hoare’s Bank held investments in the South Sea Company, Royal African Company and East India Company. While other investors including Isaac Newton lost a great deal of money when the South Sea bubble burst in 1720, perhaps the fact that Hoare’s Bank made a substantial profit from ‘riding the bubble’, contributed to their culinary as well as financial enthusiasm for the exotic.

Several printed books from the late seventeenth century mention pilau (other spellings include pellow and peelaw). In the 1690s, Simon de La Loubere’s  A New Historical Relation of the Kingdom of Siam explained that ‘the Levantines, or Eastern People, do sometimes boil Rice with Flesh and Pepper, and then put some Saffron thereunto, and this Dish they call Pilau’ while Antoine Galland described ‘a great Dish of pilau’, made of rice, and dressed with butter, fat or gravy.

Other writers were less than complimentary; according to Jean-Baptiste Tavernier’s Collections of travels through Turky into Persia (1684) the Turks’ use of three pounds of butter to six of rice (the same ratio as in Sarah Tully’s recipe), made the dish ‘so extraordinary fat, that it disgusts, and is nauseous to those who are not accustom’d thereto, and accordingly would rather have the Rice itself simply boyl’d with Water and Salt’. In 1709, William King dismissed Peter Heylin’s suggestion that the inspiration for European silver forks had originally come from China, scoffing that ‘These sticks are of no use but for their sort of meat, which being Pilau, is all boil’d to Rags’.

It is likely that the pilau recipe in Sarah Tully’s book dates from the middle of the eighteenth century; Hannah Glasse’s The Art of Cookery Made Plain and Easy (1747) contained what seems to have been the first published curry recipe in England as well as a very similar recipe to Tully’s for ‘a pellow the Indian way’–though in Glasse’s recipe the fowl is also accompanied by bacon, half a dozen hard eggs and a dozen onions ‘fried whole and very brown’. By the nineteenth century, ‘curry’ was commonplace in English households – even if the pre-mixed powder commonly used bore little relation to its ‘authentic’ Indian roots.

Dating recipes is one thing, but understanding their meaning in households is another. In Nabobs (2010), Tillman W. Nechtman argues that hookah pipes, turbans and curry powder exposed Britain as ‘an irretrievably imperial nation’, but, as Troy Bickham has commented, it is difficult to find evidence of how items such as recipes were used in practice. This early pilau recipe copied into a private book suggests that recipe collections might be a good source for understanding the changing ways in which the empire was incorporated into the daily routines of British homes.

I’ll admit, I’m still tempted to make this pilau, though maybe I will leave out some of the butter.