In my other life, I teach chemistry at a small liberal arts university in the Nashville area. In an attempt to teach critical thinking, my organic class votes on a popular nonfiction science book to read and discuss that involves organic chemistry of some sort. Here is the list of books they voted on to read:
- Denialism: How Irrational Thinking Hinders Scientific Progress, Harms the Planet and Threatens our Lives by Michael Specter
- What Einstein Told His Cook by Robert L. Wolke
- The Omnivore’s Dilemma: A Natural History of Four Meals by Michael Pollan
- What to Eat by Marion Nestle
- The Way We Eat: Why Our Food Choices Matter by Peter Singer and Jim Mason
- The Same and Not the Same by Roald Hoffman
As most chemists know, organic chemistry is anything that contains carbon and is different from the definition of organic foods. Where chemistry is applied to food is the controversy of pesticides and genetic modifications.
The first semester, the students voted to read Denialism by Michael Specter, which covers a wide range of topics. They seemed to be most interested in food judging from their accompanying research papers. Confirming my suspicion of their interest, the next semester, the students selected The Way We Eat by Peter Singer and Jim Mason.
During our discussion of both books, students kept commenting that eating foods that were organic were so much more expensive that eating non organic foods. What I found interesting was that most of the students didn’t know how much a dozen eggs cost. While several of our students live in their own apartments, many live on campus and participate in the dining plan. This summer I decided to do a cost analysis of organic vs. non-organic food to help the discussion next year.
Basically, I took our shopping list and went to Whole Foods, which is relatively close to our home. I realize that you can obtain certain organic foods cheaper at farmer’s markets, Trader Joe’s, and a CSA (my personal favorite). However, I wanted to go to a place that I could get meat, vegetables, dairy and some processed foods all in one stop. Here is what I found.
|
Whole Foods Store |
Publix Brand |
Name Brand |
| 1 pd of Strawberries |
$2.99 |
N/A |
$2.50 |
| 1 pint of Raspberries |
$3.99 |
N/A |
$2.99 |
| 1 pint of Grape Tomatoes |
$3.00 |
N/A |
$2.99 |
| Cucumber (per pound) |
$1.69 |
N/A |
$1.69 |
| Lentils (per pound) |
$1.79 |
$1.09 |
N/A |
| Bulgar wheat (per ounce) |
$0.16 |
N/A |
$0.13 |
| Ground Beef (per pound) |
$6.49 |
$3.99 |
N/A |
| Skirt Steak (per pound) |
$8.99 |
$9.99 |
N/A |
| Apple Juice (64 ounces) |
$3.99 |
$2.99 |
$2.85 |
| Toasted O’s (per ounce) |
$0.24 |
$0.13 |
$0.26 |
| Instant Oatmeal (per packet) |
$0.37 |
$0.14 |
$0.30 |
| Vegetable Broth (32 ounces) |
$1.99 |
$1.99 |
$2.59 |
| Cane Sugar (per pound) |
$1.37 |
$0.58 |
$0.72 |
| Peanut Butter (per ounce) |
$0.11 |
$0.12 |
$0.10 |
| Strawberry Conserve (per ounce) |
$0.23 |
$0.15 |
$0.24 |
| Mayonnaise |
$0.18 |
$0.16 |
$0.24 |
| Spaghetti Noodles (16 ounces) |
$1.99 |
$1.15 |
$1.21 |
| Pasta Sauce (per ounce) |
$0.09 |
$0.10 |
$0.12 |
| Olive Oil (per ounce) |
$0.27 |
$0.26 |
$0.27 |
| Milk (half gallon) |
$3.69 |
$2.09 |
$3.79 |
At Whole Foods the total came to $43.62. The total at Publix using the cheaper option was $35.16. Overall, I was surprised that certain organic foods like the pasta sauce was cheaper than the other alternatives. Also, several of Publix store brands like peanut butter and apple juice were more expensive than the name brands.