I've been repeatedly asked about the "dangers" of McDonald's French fries. To be honest,聽I am not the biggest fan of McDonald鈥檚 fries. Not because they're "dangerous", but because they simply are not to my taste.聽I am a fan, however, of Michael Pollan鈥檚 writings on food and nutrition, particularly his classic book 鈥淭he Omnivore鈥檚 Dilemma."聽But while Pollan doles out the good聽鈥渆at food, mainly plants, not too much鈥� advice, his attacks on processed foods are, often times, overzealous. Such is the case of Pollan and McDonalds fries.
In a widely circulated 2014 video Pollan blasts McDonald鈥檚 not for any nutritional shortcomings of its fries but for accepting only potatoes of a certain size and shape and shunning any with blemishes caused by aphids. That, Pollan suggests, forces farmers to use pesticides such as Monitor (methamidophos) which he deems to be particularly dangerous. Indeed he points out that this chemical 鈥渋s so toxic that farmers who grow these potatoes in Idaho won鈥檛 venture outside and into their fields for five days after they spray.鈥� He goes on to say that the potatoes have to be stored in giant sheds for six weeks so they have time to off gas all the chemicals in them. The video had quite an impact, triggering headlines like 鈥溾�� The issue needs a closer look.
Yes, McDonald鈥檚 likes it鈥檚 potatoes to be of a certain size so that the fries are long and reach out in an appealing fashion from their container. It doesn鈥檛 mean that other potatoes are wasted. McDonald鈥檚 buys its fries from distributors who select the appropriate ones for the company and sell the others elsewhere. It is also true that McDonald鈥檚 does not want potatoes that are affected by 鈥渘et necrosis,鈥� a viral infection spread by aphids. Nobody wants to eat potatoes permeated with black streaks like a net. As far as farmers not wanting to go out into the fields, well, that is standard protocol after spraying with any pesticide. Intervals that have to be respected after spraying any pesticide are established by regulatory agencies such as the U.S. Environmental Protection Agency.
Pollan鈥檚 notion about storing the potatoes for sixty days to off gas toxins is pure nonsense. Potatoes are routinely stored in large atmosphere controlled sheds because they have to be available year round. In any case, crops are monitored for pesticide residues and all such found on potatoes are way below established tolerance levels. There may be reasons to stay away from McDonald鈥檚 fries, but not because of any highlighted in this unnecessarily alarmist video. The fat content, the high glycemic index, the amount of salt added and maybe some of the compounds formed during high temperature frying are reason enough to make fries an occasional treat. And as a final point, the pesticide being talked about, methamidophos, has not been used since 2009.
