Austin's Algae: Heat Lies Inflating Liver Mold?

By Franklin Everett Shaw

March 27, 2026

Imagine biting into a seemingly healthy algae supplement, only to be met with an earthy, musty flavor that lingers unpleasantly. It’s not just a bad batch; it could be Byssochlamys, a heat-resistant mold capable of surviving pasteurization and causing serious health problems. For Austin residents, particularly those embracing the local algae boom, this is a real, and often overlooked, threat.

Byssochlamys produces mycotoxins, potent toxins that can damage the liver and kidneys. Unlike some molds, it thrives in acidic environments, making algae supplements, often touted for their health benefits, a surprisingly ideal breeding ground. The good news? With the right knowledge and proactive steps, you can protect yourself and your family.

Let’s dive into the specifics of identifying and mitigating Byssochlamys contamination in algae-based supplements right here in Austin.

First, understand the source. Austin boasts a growing number of local algae farms, each with varying quality control measures. One example is Texas Algae, a smaller operation focusing on spirulina production. While they claim rigorous testing, independent verification is crucial. Another is the larger operation, Qualitas Health, which produces AlmegaPL. While they have more resources for testing, their scale can sometimes lead to oversights.

Always inquire about the specific testing protocols used by the supplier. Don’t settle for vague assurances. Ask for certificates of analysis (COAs) that specifically mention Byssochlamys and other common molds. A reputable supplier should readily provide this information.

What should you look for on a COA? The absence of detectable levels of Byssochlamys is the goal. Look for terms like “ND” (Not Detected) or “<LOQ” (Less Than Limit of Quantification). The LOQ is the lowest concentration that can be reliably measured.

Now, let’s talk about independent lab testing in Austin. While supplier COAs are helpful, third-party verification provides an extra layer of security. Several labs in the Austin area can test for mold contamination in food products.

Consider using labs like EMLab P&K or Microbac Laboratories. EMLab P&K offers comprehensive mold testing services, including species identification and quantification. Microbac Laboratories has a food science division that can analyze algae supplements for mycotoxins.

The cost of testing can range from $100 to $500 per sample, depending on the complexity of the analysis. While this may seem expensive, it’s a worthwhile investment in your health, especially if you consume algae supplements regularly.

Here’s a step-by-step guide to submitting a sample for testing:

1. Contact the lab and inquire about their mold testing services for food products.
2. Obtain specific instructions on how to collect and package the sample.
3. Collect a representative sample of the algae supplement, following the lab’s guidelines.
4. Package the sample securely and ship it to the lab.
5. Await the results, which typically take 1-2 weeks.

What are some common mistakes people make when collecting samples? One common error is not collecting a representative sample. Mold growth can be uneven, so take samples from multiple locations within the container. Another mistake is using contaminated containers or tools. Always use sterile equipment to avoid introducing external contaminants.

For those adventurous Austinites who cultivate their own algae at home, prevention is paramount. Maintaining a clean and controlled environment is crucial.

Here are some tips for preventing Byssochlamys growth in home-cultivated algae:

• Use sterile equipment and containers.
• Maintain optimal pH levels. Byssochlamys thrives in acidic conditions, so keep the pH slightly alkaline.
• Ensure proper ventilation to prevent moisture buildup.
• Regularly inspect the algae for any signs of mold growth.
• Consider using UV sterilization to kill any potential contaminants.

One challenge home cultivators face is maintaining consistent water quality. Austin’s tap water can vary in mineral content and pH, which can affect algae growth and susceptibility to mold. Consider using filtered or distilled water to ensure consistent water quality.

Another pitfall is improper storage. Algae supplements should be stored in a cool, dry place away from direct sunlight. Once opened, reseal the container tightly to prevent moisture from entering.

Let’s consider a real-world scenario. Imagine you purchase spirulina powder from a local farmer’s market in Austin. The vendor claims it’s “all-natural” and “untested.” This should raise a red flag. Before consuming the spirulina, send a sample to EMLab P&K for mold testing. The peace of mind is worth the investment.

Another scenario: You’re growing chlorella at home in your backyard in South Austin. You notice a white, fuzzy growth on the surface of the water. This could be Byssochlamys or another type of mold. Immediately discard the entire batch and thoroughly disinfect the growing container.

Don’t rely solely on visual inspection. Byssochlamys can sometimes be difficult to detect with the naked eye, especially in its early stages. Regular lab testing is the most reliable way to ensure safety.

What about the "smell test"? While a musty odor can be an indicator of mold contamination, it’s not always reliable. Some molds don’t produce a noticeable odor.

Here’s a crucial point: Heat treatment, such as pasteurization, doesn’t eliminate Byssochlamys. This mold is heat-resistant, meaning it can survive temperatures that would kill most other microorganisms.

So, what’s the takeaway for Austin residents? Be vigilant about the source of your algae supplements. Demand transparency from suppliers. Invest in independent lab testing. And if you’re growing your own algae, prioritize cleanliness and prevention.

Don’t let fear paralyze you. Algae supplements can offer valuable health benefits. But knowledge is power. By taking these proactive steps, you can enjoy the benefits of algae without the risk of Byssochlamys contamination.

Remember, your health is worth the effort. Stay informed, stay proactive, and stay healthy, Austin!