A curious report lands on my desk this morning. Not the usual fare of political squabbling or technological piffle. No, this is something far more interesting: a revival of ancient fermentation techniques, now being peddled as a solution to the twin plagues of food waste and profit margins. The headline flashes: 'Ancient fermentation trick turns food waste into profit – UK firms take note.' And I find myself nodding, not in approval, but with the weary recognition of a historical circle closing.
We have, for the past century, prided ourselves on the conquest of nature. Refrigeration, preservatives, global supply chains that bring Chilean avocados to a British Tesco in December. We have bent the seasons to our will and, in doing so, created an orgy of waste. Supermarkets reject perfectly good produce for cosmetic blemishes. Households bin a third of their food. It is, in short, the sort of decadent profligacy that would have made a Victorian matriarch weep into her pickled beets.
Which brings me to the news at hand. A few enterprising startups have rediscovered lacto-fermentation, the process that gave us sauerkraut, kimchi, and the sourdough that sustained Roman legions. They are taking bruised apples, wilted cabbages, the crusts of artisanal bread, and dunking them in brine. A few weeks later, out emerges a probiotic, shelf-stable product that can be sold at a premium. Food waste becomes profit. The planet breathes a little easier. The boardroom applauds.
But I must ask: why does it take a broken economic model to force us back to the wisdom of our ancestors? Fermentation is not a trick. It is the oldest form of food preservation known to man. It is what kept our forebears alive through dark winters when the root cellar was the only thing between them and starvation. That we now rebadge it as 'innovation' is a testament to how deeply we have forgotten the basic rhythms of sustenance.
Some will cheer this as a victory for sustainability. I see it instead as a symptom of intellectual decadence. We have outsourced our food systems to faceless corporations, then expressed shock when those same corporations discard tonnes of edible produce because it is marginally less profitable to sell it than to bin it. And now, the solution is not to mend the system, but to graft a bit of microbial alchemy onto the corpse of our waste. It is a neat trick, I grant you. But it is the trick of a magician who has already lost the audience's respect.
Compare this, if you will, to the Victorian era. Those industrious souls would have looked at a surplus of apples and immediately set to making cider or apple butter. They would have fermented cabbage into sauerkraut and buried it in crocks. Waste was an ethical failure, a sin against thrift. Today, waste is merely a data point, a line item on a carbon audit. The morality has been replaced by metrics.
Yet the market speaks, and it says this works. UK firms are taking note because they sense profit, not because they sense a moral imperative. That is fine, I suppose. I have no illusions that we will return to a world of domestic thrift. But let us not dress up this ancient trick as progress. It is a retreat, a partial surrender to the logic of nature that we tried so hard to ignore. If it saves a few pounds and a few tonnes of methane, good. But do not ask me to applaud the rediscovery of fire.
So here is my advice to the UK firms that are 'taking note': do not pat yourselves on the back. You are not pioneers. You are latecomers to a party your ancestors started. The fermentation vat is older than the corporation. It will outlast us all. The only question is whether we will learn to respect it before the next winter comes.
Arthur Penhaligon, signing off with a jar of pickled ambition.








