Eat This Podcast

I did not know that that the famous Monty Python spam sketch was recorded on 6 June 1970. At least, that’s the claim of a Tumblr obsessed with Minnesota in the 1970s. (Wikipedia says only that “[i]t premiered on 15 December 1970”.) However, I need no encouragement to share a programme on Spam that I made for BBC Farming Today back in 1997, a programme that was both very well received and a blast to make. the people at Hormel couldn’t have been nicer, and the butterfly spam balls weren’t bad either.

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The USDA’s Food and Nutrition Service runs a program for Women, Infants and Children that subsidises specific foods for eligible women and their children. Back when it started, the WIC program excluded potatoes, on the grounds that “Americans already eat enough potatoes”. Potato growers – and their representatives – don’t like that. For one, they think it sends the wrong message about the nutritional value of potatoes. And so, in 2010, the Executive Director of the Washington State Potato Commission, Chris Voigt, launched a protest. He decided to eat nothing but potatoes for 60 days, gaining massive amounts of publicity but not – yet – a change in the WIC list of approved foods. ((Mr Voigt says that “Potatoes are still excluded from the WIC program, unless you buy them at a Farmers Market.”.)) However, while the world marvelled at Voigt’s dedication to the people who pay his salary, one grower in neighbouring Oregon said “Hey, what’s so hard about that? Last winter, I ate pretty nearly all potatoes for about six months. It was a feast all winter!”

Carol Deppe – author of Breed Your Own Vegetable Varieties and The Resilient Gardener – ate almost nothing but potatoes because that’s what she had, and because she really understands the nutritional value of potatoes. She points out that potatoes contain more than 2% protein, which doesn’t sound like much when you compare it to the 9% in rice or the 12% and more in wheat. But those are dry-weight values. On that basis, potato comes in at better than 10% protein, and that protein is both more balanced and better absorbed that wheat protein. This isn’t exactly news. It’s been known since the late 19th century that if you’re getting all your calories from potatoes, then you’re probably getting all the protein you need too. But that knowledge seems to have been forgotten, and Deppe thinks she knows why:

When the USDA denies WIC-program women, infants, and children their potatoes, in spite of the potato’s known excellence as a food, in spite of how much we all like it, I think I detect a subtly Euro-centric as well as classist message: “The right way to eat is like upper-class Europeans, not like New Worlders or peasants.” The problem is bigger than failing to recognize that Americans are not all Europeans, that even most European-Americans now embrace food traditions from many lands and cultures, and that most of us are closer to being peasants than to being medieval European royalty. To reject the potato is to be several hundred years out of date. Rejecting the potato represents a failure to learn some of the most important climate-change lessons of the Little Ice Age. I think the USDA should revisit its potato policy.

So do lots of other people, including potato growers, and although potatoes are again up for consideration, it isn’t clear whether this time they will make it onto the hallowed WIC list. In the meantime, they remain an excellent and nutritious food.

Notes

1. The Effect of Food Restriction During War on Mortality in Copenhagen is Dr Mikkel Hindhede’s account, in the Journal of the American Medical Association, of the impact of the World War I blockade on deaths in Denmark. By encouraging Danes to switch to a more vegetarian diet, Hindhede effectively saved 6300 lives. Mortality was actually lower during the blockade than before or after. By contrast Germany, also affected by the blockade, saw widespread famine.
2. There’s an online account of Chris Voigt’s 60-day 20-a-day potato marathon. It’s pretty broken.
3. I hope to have more from Carol Deppe in a future podcast.
4. Image from Colorado Potatoes.
5. Intro music by Dan-O at DanoSongs.com.
6. It is even possible that Potato Pride is a genuine North Korean folk song?

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Neanderthals did not descale their teeth regularly, for which modern scientists can be very thankful. Embedded in the fossilized calculus, or tartar, on teeth from the Shanidar cave, in Iraqi Kurdistan, and elsewhere are some remarkable remains that are beginning to shed far more light on what Neanderthals ate. I don’t want to give too much away just yet. Let’s just say that if, like me, when you think of the Neanderthal diet you think of a bunch of cavemen and women sitting around chewing their way through a woolly mammoth, you’re in for a surprise.

My guide through the recent discoveries on Neanderthal diet is John Speth, Emeritus Professor of Anthropology at the University of Michigan.

Amanda Henry’s research clearly points to moist-cooked starch grains in the mouths of Neanderthals (but did they swallow?). Archaeologists, however, have found almost no evidence of Neanderthals using the hot-rocks boil-in-a-bag method of modern people who lack fire-proof containers. And surprisingly, they didn’t know what John Speth discovered while watching TV in a motel room: that it is perfectly possible to boil water in a flimsy container over a direct fire. In the interests of time I had to cut his fascinating description of an experiment to make maple syrup by boiling the sap in a birch-bark tray over an open fire, which concluded that it was “both efficient and worthwhile”. So, now that they know it can be done, how long before they discover it was done?

There is evidence that Neanderthals ate moist-cooked starch. There is evidence that one can moist-cook without fire-proof containers and hot rocks. All we need now is evidence that Neanderthals used similar techniques, and the palaeo-dieters can add a nice mess of potage to their daily fare.

Notes

1. Microfossils in calculus demonstrate consumption of plants and cooked foods in Neanderthal diets (Shanidar III, Iraq; Spy I and II, Belgium). (A scientific paper.)
2. National Geographic’s early report on Amanda Henry’s discovery of plant remains on Neanderthal teeth and a more recent report from the Smithsonian Museum of Natural History.
3. More on Neanderthal diets at John Hawks’ weblog.
4. Photograph of the Regourdou Neanderthal mandible used by permission of the photographer, Patrick Semal, and the Musée d’art et d’archéologie du Périgord.
5. Intro music by Dan-O at DanoSongs.com.
6. Final music played by Ljuben Dimkaroski on a replica of a Neanderthal bone flute found in a cave in western Slovenia.

   Huffduff it

Perhaps you saw an article in a recent BBC News magazine about how US craft beer is inspiring British brewers. The Americans say they’re not bound by tradition, with the clear implication that the Brits are. And yet it was insipid American beers — like making love in a canoe, we used to say — that triggered the rise of microbreweries and craft beers. Now very hoppy beers with all kinds of flavours are big there, and increasingly big in the UK, and one result has been a resurgence of interest in British-bred hops. One of these, OZ97a, is being hailed as a new star of British brewing, not least by Mark Dredge, an award-winning beer writer. I read about OZ97a at Pencil and Spoon, Mark’s blog. Of course I had to talk to him.

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The thing about OZ97a is that it isn’t a new variety. It was bred in the late 1940s or early 1950s, but when brewers first got a whiff of it, in 1960, they rejected it out of hand. Way too tasty, with all that fruitiness. Not what beer-drinkers want. But with the rise of intensely flavourful US beers, by 2012 OZ97a was ripe for a renaissance, and a couple of test batches confirmed it as a great hop. So how had it survived? In a field genebank, run by the British Hop Association.

It is quite common to hear that genebanks should be maintained as a source of breeding material to adapt to changing conditions. But this is the first time I’ve heard of the changing tastes of consumers being the conditions that need adapting to.

Notes

1. Mark Dredge’s book Craft Beer World will be available at the end of April 2013.
2. The Food Programme has reported on hops and on the rise of US craft beers
3. Another genebank beer in the news is about to be launched. It was brewed from Chevalier, a century-old barley in the John Innes Centre’s genebank, re-evaluated because it is resistant to Fusarium wilt.
4. Photo of a hop flower by Ronald Bunnik.
5. Music by Dan-O at DanoSongs.com.

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