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Vienna, 13 September 2020

A little while back, I wrote a post about balsamic vinegar – a disapproving post, since I don’t like the stuff. But I used the post to confess to a hankering to make my own vinegar. I attribute this to the fact that my French grandmother made her own vinegar, down in that dark cellar of hers which I’ve had occasion to describe in an even earlier post. She used the local Beaujolais wine as her raw material, putting it in a miniature barrel and leaving it there to sour to vinegar. From time to time, she would send me down the cellar to replenish the dining room’s vinegar cruet. I tried making vinegar once, in our early years in Vienna, following the rather vague instructions I had been given by a colleague. As my wife and children will attest, it was a miserable failure. The resulting liquid had a strange taste and not much of that vinegary punch. Although I put a brave face on it and determinedly continued drizzling it on my salads until it was all gone, I half expected to keel over dead at any moment, poisoned by some mysterious fermentation product I had unknowingly created. So, as readers can imagine, my hankering to make vinegar remains.

It really shouldn’t be all that difficult, I keep saying to myself. Vinegar making has been around since at least Babylonian times and it’s been made just about everywhere in the world where there is a source of sugars (the route to vinegar being first a yeast-catalyzed fermentation of sugars to alcohol and then a bacterial-catalyzed fermentation of the alcohol so produced to acetic acid, which is what gives vinegar its sour taste). In fact, it’s been truly fascinating to discover what people have made vinegar out of. Personally, I have always consumed vinegar made from grapes via wine, preferably red wine, although I’m intrigued to see that people are making vinegar with fortified wines like port, madeira, sherry, and marsala. In the Middle East, they even make vinegar with raisins (it’s famous in Turkish cuisine).

I’m also familiar with vinegars made from apples via cider and pears via perry, which have been commonly made in northern Europe. But actually just about every fruit known to man (and woman) has been used at some point to make vinegar. I just mention here the ones which intrigued me – or allowed me to create links to some of my earlier posts. The Babylonians used dates, which continue to be used for vinegar-making in the Middle East. The Israelis use pomegranates, testimony to an enduring relationship between this fruit and Judaism. The South Koreans use persimmon. The Chinese use jujube and wolfberry. The New Zealanders use kiwi fruits.

A couple of enterprising Italian and German companies even use tomato to make vinegar. I must say, I find this one strange. I know that tomato is technically a fruit, but I just can’t imagine a vinegar made from it. I would really like to try it one day, to see what it tastes like (as I would like to try tomato oil extracted from the seeds).

Sort of linked to fruit-based vinegar is honey vinegar made via the production of mead. It’s made in a couple of countries in Southern Europe (France, Spain, Italy, Romania), although it’s not all that common.

Grains of one sort or another are also used to make vinegar (an extra step is needed here, to turn the starches in the grain into sugars). This kind of vinegar is made primarily in East Asia, where rice, wheat, millet or sorghum (or a mix of these) are used. many of these vinegars are black, but there are red and white rice vinegars too.

The East Asians have been making vinegar for a very long time. Already two and a half thousand years ago, royal and noble households in China’s Zhou dynasty had a professional vinegar maker on their staff. Perhaps there were also professional vinegar tasters. Such tasters certainly became metaphors for the three main religions in China, leading to a very common depiction (the one I insert here is actually Japanese, from the Edo period, but I rather like the style).

The three men dipping their fingers in a vat of vinegar and tasting it are Confucius, Buddha, and Laozi, leaders of China’s three main religions. The expression on the men’s faces represents the predominant attitude of each religion. Confucius reacts with a sour expression – Confucianism sees life as sour, in need of rules to correct the degeneration of people. Buddha reacts with a bitter expression – Buddhism sees life as bitter, dominated by pain and suffering due to desires. Laozhi reacts with a sweet expression – Taoism sees life as fundamentally perfect in its natural state. I leave it to my readers to work out who is who in the painting I’ve inserted, based on their expressions.

But coming back to vinegar from grains, Europe also has its grain-based vinegars. For instance, the British have been making vinegar from malted barley for ever and a day. In my youth, no self-respecting fish-and-chip shop was without a bottle of malt vinegar which patrons could use to drown their fish and chips in – I cannot deny that I did this in my wild and foolish youth.

A series of vinegars which I find quite intriguing are made in South-East Asia and to some degree South Asia, from the sweet sap of various types of palms: coconut, nipa, and kaong palms (and to a lesser degree buri palms; so lesser I wasn’t able to find a picture of it).

The Philippines is the big producer and user; I read that Malaysia and Indonesia are smaller markets because the palm sap must first be transformed into an alcoholic beverage, something which is forbidden in these Muslim countries. Perhaps. But then why is Saudi Arabia, the strictest of all Muslim countries, a big producer of date vinegar?

The Philippines is also a big user of sugar cane vinegar. Well, it certainly makes sense to make vinegar from the mother of all sugar sources.

I would imagine that all sugar-cane growing countries make vinegar that way. Brazil certainly does. I wonder if anyone makes vinegar from beetroots? (as opposed to pickling beetroots in vinegar) An odd vinegar that I suppose can be classified as a sugar-based vinegar is kombucha vinegar. Kombucha is a Mongolian drink. It is made by fermenting sugary tea with a SCOBY – a Symbiotic Culture of Bacteria and Yeast. This yucky slimy mat will ferment the sugar in your tea to alcohol and start fermenting the alcohol to acetic acid. Normally, you drink the fermented tea before too much acetic acid is produced, but if you let the SCOBY carry on its work all the alcohol will be turned into acetic acid and you will have a vinegar.

I find it intriguing that in all the articles on vinegars which I’ve read, there is no mention of traditional vinegars being made in Africa or the Americas (as opposed to them copying vinegars originally made in Europe). Neither continent lacks traditional alcoholic beverages. The Africans made them (and to some degree continue to make them) from fermented honey water, fermented fruits, fermented sap of various species of palm (as well as a species of bamboo), fermented milk, as well as from grains and other starch sources. As for the Americas, alcoholic beverages existed in at least Mesoamerica. There, the common alcoholic beverages were pulque, which was made out of fermented agave sap, chicha, which was a kind of maize-based beer, and fermented drinks made out of cacao beans and sometimes honey. I cannot believe that these drinks didn’t sometimes get inoculated with acetic-acid making bacteria and turn into vinegar. And I cannot believe that the Africans and Amerindians didn’t figure out ways to use this vinegar, as people everywhere else did. At a minimum, they surely would have discovered – as did everyone else – that vinegar can be used to pickle food and so extend its useful life, a vitally important discovery for societies in the days before refrigeration. If any of my readers are from Africa or the Americas and have information on this point, I would be glad to hear from them.

It’s not only the making of vinegar which I find interesting, it’s also how it’s used. But here one could write a book! (and in fact a quick whip around the internet shows me that several people already have) Since I’ve already written a couple of posts, on mustard and Lea & Perrins Worcestershire sauce, showing how vinegar can be used to make condiments, I reckon I’ve covered the use of vinegar as a condiment on food. I have also mentioned pickling in several posts, in my post on capers for instance, so I will skip the use of vinegar as a pickling agent. I will instead explore its use as a drink, for the simple reason that at first sight I find it rather incredible that anyone would ever want to drink vinegar. I certainly never have; the closest I have got to it is gargling once with vinegar when I had a sore throat, and even then I spat it out; I wasn’t going to swallow it. But people have drunk vinegar, and continue to do so.

The trick, of course, is to dilute it. Roman legionaries did this the simplest way, by just adding water (and maybe some herbs). This drink was known as posca and was drunk during military campaigns, as a thirst-quencher. There was a popular saying about posca: posca fortem, vinum ebrium facit – posca gives you strength, wine makes you drunk. No doubt these legionaries on Trajan’s column in Rome made heavy use of posca during their campaigns.

Interestingly enough, soldiers at the very other end of the Eurasian continent, the samurai in Japan, also believed in the restorative effects of drinking vinegar, in this case rice vinegar. They drank it (whether straight or diluted, I do not know) to relieve fatigue and for an energy boost.

By the way, this business of posca being a drink of Roman legionaries gives quite a different slant to one of the stories in the narrative of the Crucifixion of Christ. All four Gospels say that as Jesus hung, dying, on the cross, someone put vinegar on a stick and held it to his lips to drink. Luke is the only one who says explicitly that it was one of the soldiers on guard at the crucifixion; the others say “one of the people there” or simply “they”. But it would have had to be one of the soldiers, no-one else would have been allowed to get that close. In the three synoptic Gospels, this simple gesture was turned into a gesture of mockery. John, on the other hand, has a more credible line. Jesus said “I thirst” and he was given vinegar. So now I see here a gesture of simple humanity on the part of the soldiers. They had a job to do, to crucify Jesus and the two robbers. But that didn’t stop them from trying to alleviate just a little the agony of being crucified by offering Jesus some posca for his thirst. It’s a moment in the Crucifixion story that has not often been painted, but here is a fresco by Fra Angelico.

The next step up in efforts to make vinegar drinkable is to mix the vinegar with something sweet. Here, too, the Romans had a popular drink, called mustum. It was a mix of low-quality must, fresh from the press, and vinegar. The must sweetened the vinegar, the vinegar clarified the turbid must (a case of “you scratch my back, I’ll scratch yours”).

For their part, the Ancient Greeks mixed vinegar with honey and water to make a drink called oxymel. The beverage passed into European Medieval and Renaissance medicine as a medicament, and indeed the internet is full of articles promoting the health benefits of oxymel as well as bottles of the stuff. Here is a typical example.

But the Ancient Greeks simply drank it for enjoyment. The Iranians still do. They have a drink called sekanjabin, which is a mix of vinegar and honey, to which mint leaves are often added. Apparently, a side order of fresh, crisp lettuce is a must.

It’s an ancient drink, quaffed by Iranians when they were still called Persians. Perhaps the richest and most powerful Persians drank their sekanjabin from magnificent cups like this one (my wife and I saw similar cups in a wonderful museum near Kyoto).

It wasn’t just the Ancients who drank sweetened, diluted vinegar. Under the name of shrubs, drinks like these were drunk quite often until relatively recently in Europe and North America. It was only the rise of carbonated drinks that killed them off, and now they are a bit of a recherché drink. I suspect there is currently a bit of a comeback because apple cider vinegar is being touted widely for its supposed health benefits. As the Ancients had discovered, it’s easier to drink vinegar when it’s been sweetened. Here is one example of the current commercial offer of shrubs.

For those who, like the Iranians, want to make their own drinks, shrubs are made by simply mixing honey water or sugar water with a small amount of vinegar. Or they can be made by soaking fruit in vinegar for several days, sieving off the solid part, and adding a lot of sugar.

For those readers who, like I was, are puzzled by the name “shrubs”, allow me to explain the etymology. It is actually a corruption of the Arabic word sharab, which means “to drink”. The Arabic version of this drink hails back to the use of vinegar as a pickling agent. In cases where fruit was pickled, the vinegar drew out the taste from the fruit during the pickling. So once the pickled fruit had been consumed, people would drink the fruity vinegar – after adding water to dilute it.

I must say, I thoroughly approve of this reuse of the pickling liquid. I have been telling my wife for some time now that we should find something to do with the pickling liquid left over after we’ve eaten pickled gherkins or onions or even olives. So far, she has ignored me, pouring the pickling liquid down the drain. Perhaps I can get her to reconsider if I argue that we can turn the liquids into some kind of shrub. Of course, our pickling liquids are salty rather than sweet, but no fear, I have a solution to this! In order to explain it I have to introduce another set of soldiers, the Spartans this time.

The Roman legionaries had posca, the Spartan soldiers had melas zomos, a black brothy soup (or perhaps black soupy broth). Made of boiled pigs’ trotters, blood, salt, and vinegar, it was an integral part of their diet. We could make melas zomos! Our various spent pickling liquids could give the salt and vinegar, we would just need to find the blood and the pigs’ trotters. Of course, if we still lived in China, we wouldn’t have any problems finding these (I remember several times eating a delicious Chinese dish of pigs’ trotters in a restaurant around the corner from our place in Beijing, and I’m sure we could have found blood if we’d looked for it). But in Europe, as I’ve related elsewhere, we’ve become more fastidious about the meat products we eat, so finding these ingredients might be a problem.

Of course, even if we could find the ingredients and made the soup, would it be yummy? Well, I can only report here a comment made by a citizen of Sybaris, an Ancient Greek city located on the coast of what is now Puglia (but which has since disappeared, alas), which I’ve mentioned in passing in an earlier post. After tasting a bowl of melas zomos, this man declared disgustedly, “Now I do perceive why it is that Spartan soldiers encounter death so joyfully; dead men require no longer to eat; black broth is no longer a necessity.” Now, given that the citizens of Sybaris were famous for their luxury and gluttony (so famous that they gave us the word “sybarite”), this confrontation of polar opposites is perhaps merely an Ancient urban legend. However, it is true that the Spartans gave us the word “spartan”, which suggests that yumminess in their soldiers’ food was not necessarily high in the order of priorities of the Spartan army’s high command. The idea was to give them strength, to beat the shit out of, say, those weakling Persians who drank sekanjabin, as we saw so thrillingly in the film 300 – the Spartans in that film must have been stuffed full of melas zomos.

Luckily, if we weren’t able to find pigs’ trotters and blood (and if I wasn’t able to persuade my wife to eat the soup, a highly probable outcome since she doesn’t much like these kinds of meat products), a quick whip around the Internet has shown me that many vinegar-containing soup recipes exist which involve perfectly ordinary ingredients like vegetables (I suspect that the craze for apple cider vinegar and its purported health properties has struck again; how to find pleasant ways to ingest apple cider vinegar). I can bring to bear my skills in making soups from left-overs and find a yummy way of recycling our pickling liquids into soups. Watch this space!

This second mention of mine of apple cider vinegar makes me think that before I finish I must just touch upon the supposed medicinal benefits of vinegar. In Europe at least, this love affair with vinegar-as-medicine has been going on since the Ancient Greeks; the current touting of apple cider vinegar is merely the latest iteration in a very ancient tradition. I do not propose to go through all the health benefits that are claimed for vinegar. In this time where we are living through a modern plague, Covid-19, I will only mention vinegar’s use during the bubonic plagues that regularly swept through Europe from the 14th to the 18th centuries. For some reason, people felt that vinegar would keep the terrible distemper at bay, so anyone who came into contact with people sick with plague, or with the bodies of people who had died of it, would wash their hands in vinegar, or put towels soaked in vinegar around their heads, or cover their mouths with a handkerchief soaked in vinegar, or gargle with vinegar. It was mostly doctors or nurses who did this, as well as the poor bastards (many of them convicts) who had to load the bodies onto the carts to take them to the cemeteries. I throw in here a picture from the Italian book I Promessi Sposi by Alssandro Manzoni, which takes place during an outbreak of the plague in Milan. We see the men loading up the dead bodies onto the cart.

My wife will no doubt be thrilled to bits to see this reference to I Promessi Sposi, a book which was a Must Read for all schoolchildren of her generation.  In a sillier vein, I also throw in a still from the Monty Python film The Holy Grail, where a man is trying to get rid of his old father who isn’t dead.

Anyway, it’s not clear if this use of vinegar helped at all – it indubitably has disinfectant properties, but would they have been enough to kill Yersinia pestis, the bacterium that causes the plague? At some point, people began to add herbs to the vinegar to increase its plague-killing power. Eventually, these vinegar concoctions got a name, Four Thieves vinegar, as well as a legend to go with the name. The legend goes like this: Four of the poor bastards picking up the dead bodies, who also happened to be thieves (it was a “profession” which tended to attract the criminal classes), hit upon a herb mixture which kept them safe. They therefore began robbing the houses they entered with impunity. Caught and threatened with horrible punishment, they offered to give up their secret recipe in exchange for leniency. The judge promptly accepted. Here is a recipe that was posted on the walls of Marseilles, site of the last great outbreak of the plague in Europe in 1720:

“Take three pints of strong white wine vinegar, add a handful of each of wormwood, meadowsweet, wild marjoram and sage, fifty cloves, two ounces of campanula roots, two ounces of angelic, rosemary and horehound and three large measures of camphor. Place the mixture in a container for fifteen days, strain and express, then bottle.”

Here is a 17th Century bottle of this stuff.

And here is a modern version of the stuff, using apple cider vinegar (and with a different bunch of herbs: rosemary, sage, thyme, mint, cinnamon, pepper, garlic, clove)

Hey, you never know, it might help keep Covid-19 at bay, although the producers are careful not to claim this. Soak your face mask in the stuff before putting it on.

Stay safe!