Understanding the Diacetyl Controversy and 'Popcorn Lung'
In the early 2000s, diacetyl came under intense public scrutiny. The chemical, a key component in artificial butter flavoring, was linked to a rare and severe lung disease known as bronchiolitis obliterans. This condition earned the nickname "popcorn lung" because it was initially discovered among workers in microwave popcorn manufacturing plants. While diacetyl is safe for consumption in small amounts found in finished food products, the issue arose from repeated inhalation of concentrated vapor in manufacturing settings.
The Industry Responds to Health Concerns
As scientific evidence and public awareness grew, the food industry began removing diacetyl from its butter-flavored products. In 2007, General Mills, the then-owner of Pop Secret, publicly announced that it had phased out diacetyl from its recipes. Other major manufacturers, including ConAgra (Orville Redenbacher's, Act II) and American Pop Corn Company (Jolly Time), made similar commitments. The move was a direct response to health hazard evaluations and aimed to protect both workers and reassure consumers.
What are Pop Secret's Current Ingredients?
Pop Secret's butter-flavored varieties no longer contain added diacetyl. Instead, the company has reformulated its recipes to use alternative ingredients to achieve the same buttery flavor profile. An examination of current ingredient labels for varieties like Pop Secret Extra Butter confirms the absence of the chemical. The ingredients typically include popcorn, palm oil, salt, and "Natural Flavor (Milk)". This shift reflects a broader industry change towards alternative flavoring agents.
The Challenge of Alternative Flavorings
Replacing diacetyl presented a challenge for manufacturers, as finding a suitable substitute that replicates the distinct buttery taste without similar health risks was difficult. Some alternatives, such as 2,3-pentanedione, have since been studied and raised their own health questions regarding inhalation toxicity, though they differ from diacetyl. However, for the average consumer, the shift away from added diacetyl in finished products has addressed the primary health concern associated with the chemical.
Comparison of Diacetyl in Popcorn Flavoring
| Feature | Before 2007 (Added Diacetyl) | Today (Pop Secret Formulation) | 
|---|---|---|
| Flavoring Agent | Concentrated synthetic diacetyl | Natural Flavor (Milk) | 
| Associated Health Risk | Inhalation risk of bronchiolitis obliterans, primarily for factory workers. | Significantly reduced inhalation risk, no added diacetyl. | 
| Taste Profile | Intensely buttery and aromatic | Buttery taste using alternative flavor compounds | 
| Consumer Safety | Ingestion deemed safe, but inhalation caused controversy | Reformulated to remove a known inhalation hazard | 
| Regulatory Status | FDA-approved for ingestion, but workplace exposure concerns led to removal. | Meets current safety and consumer preference standards. | 
Are Other Chemicals in Pop Secret a Concern?
Beyond diacetyl, other chemicals have been associated with microwave popcorn. Recent lawsuits have raised concerns about so-called "forever chemicals" (PFAS), which were previously used in some microwave popcorn bags. It is important to note that this is a separate issue from the diacetyl controversy, which focused on the flavoring ingredient itself. Many manufacturers have also voluntarily removed PFAS from their bags since 2011, though lawsuits regarding past usage exist. For the most accurate information on modern products, reading the ingredient label and manufacturer FAQs is recommended. You can find more details on product ingredients and safety from official sources like the CDC and reputable health organizations.
How to Choose a Diacetyl-Free Popcorn
If you prefer to be extra cautious, several strategies can help you select diacetyl-free popcorn:
- Read the Ingredient List: Look for products that specifically state they contain "No Added Diacetyl" or simply check the ingredient list to ensure no suspect chemicals are present. Pop Secret and many other brands list "Natural Flavor" derived from sources like milk, which is the current standard.
- Consider Unflavored Popcorn: Plain, unflavored microwave popcorn or stovetop kernels offer the lowest risk of exposure to any butter flavorings. You can add your own toppings, such as real butter, sea salt, or nutritional yeast, to control the ingredients entirely.
- Explore Diacetyl-Free Brands: Many brands now explicitly market themselves as being free from diacetyl and other additives. These include SkinnyPop, LesserEvil, and others.
- Use Stovetop or Air-Popped Methods: The traditional method of making popcorn on the stovetop with your own oil and butter remains the safest and most controlled option.
Conclusion: No Added Diacetyl in Pop Secret
In conclusion, Does Pop Secret popcorn contain diacetyl? The definitive answer is no, not since 2007. The company, like others in the industry, took action to remove the potentially harmful butter flavoring after its link to a severe lung disease in factory workers became public. Today's Pop Secret products use a different blend of ingredients, primarily "Natural Flavor (Milk)," to create their butter varieties. For the health-conscious consumer, this means the risk associated with diacetyl inhalation from microwave popcorn has been effectively eliminated for this brand. Concerns regarding microwave popcorn now focus on separate issues, such as PFAS in packaging, but Pop Secret's removal of diacetyl stands as a significant food safety improvement.