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Even measuring broccoli by the gram doesn't
result in good nutritional data. Photo by Martha
Rose Shulman
I don't like nutritional data because I've always approached healthy eating not as a nutritionist, but as a cook. I've devoted my career to preparing delicious food that does no harm – not too caloric, not too fatty, with a focus on plant-based foods – because that's the way I like to eat.
During my 20s I did toy with the idea of getting a degree in nutrition, but I always preferred the kitchen to the classroom. I audited an Introduction to Nutrition class, but stopped going when we had to memorize molecular formulas. I took biology courses at the University of Texas. My professor surely suspected I wasn't destined for a future in science when I turned in a term paper composed as an epic poem, rhymed couplets and all, entitled "The Odyssey of my Breakfast." (He gave me a B+.) Once I hit organic chemistry I dropped out and started teaching vegetarian cooking classes.
Still, I do want my NYTimes.com readers to be happy. So after I'd received several dozen emails asking why I don't include such data with the recipes in my column, I emailed prominent nutritionist Marion Nestle and asked her what she would recommend if I were to get software to do the breakdowns.
Marion Nestle
Nestle directed me to the USDA National Nutrient Database, and I saw her point immediately. After typing in "broccoli," I was offered 15 choices, including "broccoli, cooked, boiled, drained, with salt;" "broccoli, raw;" "broccoli, flower clusters, raw." Then I had to indicate an amount, either in grams or cups (how do you measure a cup of broccoli florets?). But my recipes simply call for "1 bunch broccoli, broken into florets." And how do they know how much salt I use? As often as not, I steam my broccoli -- which I understand preserves more nutrients than boiling -- but that wasn't even an option.
I punched in garlic. The garlic cloves in the USDA database weigh 3 grams. I weighed my garlic cloves; the plump ones I like to use weigh 6 to 8 grams, the medium ones about 4 grams. Clearly the technicians at USDA do not come from the Mediterranean.
Nutrient analyses encourages us to see the food that we eat in terms of its carbohydrates, fats, proteins, vitamins and other micro-parts. But "nutritionism" doesn't lead to better health. Michael Pollan makes this point eloquently in his book "In Defense of Food: An Eater's Manifesto." His seven-word maxim says just about all you need to know about a healthy diet: "Eat food. Mostly Plants. Not too much."
Nestle concurs. "I am opposed to nutritional info," she told me. "The basis of healthful diets is variety, relatively unprocessed foods, and not eating too much. Variety and processing matter because 'real' (relatively unprocessed) foods contain large numbers of required nutrients but in different amounts and proportions. If you vary food intake, you don't have to worry about individual nutrients because the foods complement each other."
The emails from my readers continue to arrive on a daily basis, but I have not yet bought any nutrition software. Marion urged me to "resist including nutrient analyses to the bitter end," and so far, I’m holding firm.
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