Q: How long does the study take?
A: Acidified product studies typically take approximately 40 days.
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Q: What kinds of products are allowed for this study type?
A: This study is designed only for shelf‑stable, fully sealed acid and acidified foods. Examples include:
• Salsa
• Hot sauce
• Salad dressings
• Pickled products
• Barbecue sauces
• Pasta sauces
If you’re unsure whether your product qualifies, please contact Dr. Combest:
ph: 979.314.3845 | email: shannon.schmidt@ag.tamu.edu
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Q: What kinds of products are NOT allowed for this study type?
A: This study cannot be performed on:
• Refrigerated products
• Teas
• Coffees
• Soft drinks
If you’re uncertain whether your product fits the criteria, please contact Dr. Combest:
ph: 979.314.3845 | email: shannon.schmidt@ag.tamu.edu
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Q: How should we package products for shipping?
A:
• Each item must be labeled with the product name and packaged in retail-style packaging.
• Include your sample submission form and quote inside the shipment.
• Ship early in the week and request overnight delivery.
• For fragile containers, add bubble wrap or other cushioning.
• For liquids and sauces, double‑bag the containers and tape lids closed to prevent leaks.
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Q: Will I receive a written report?
A: Yes—two reports will be provided:
1. One from Food and Ag Lab
2. One from Dr. Combest
All interpretations, opinions, and anticipated shelf‑life determinations will come from Dr. Combest.
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Q: What is typically measured?
A: The study evaluates common microbiological quality indicators with established thresholds for determining end of shelf life, including:
• Lactic acid bacteria
• Aerobic plate count bacteria
• Yeast
• Mold
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Q: How much does it cost?
A: As of December 2025, the fees are:
• $75 — Texas A&M AgriLife fee
• $241 — Food and Ag Lab fee
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Q: How should we package the product?
A:
• Tape all lids securely.
• Ensure the product is clearly labeled to match the name on your submission form.
• Double‑bag the product.
• Add multiple layers of cushioning (e.g., bubble wrap) around each item.