🍗✨ วิทยาศาสตร์เบื้องหลัง “ความกรอบ” ของอาหารทอด

🧪 The Science Behind Crispy Fried Food 🍗✨

Have you ever wondered…
Why fried food is so crispy at first but turns soft after a while?

Actually, the “crispiness” we enjoy isn’t just about frying at high heat. It comes from the science of starch and moisture control—the key factors that create that irresistible crunchy texture 👩‍🔬

🔹 Why is starch “crispy”?

The crispiness of fried food comes from heat-induced changes in starch structure, mainly through two steps:

Gelatinization
When starch mixes with water and is heated, the granules swell and soften. This step gives the starch a flexible and slightly sticky texture.
Dehydration
At temperatures above 100°C, water inside the starch granules evaporates rapidly, forming tiny air pockets. This hardens the outer layer and produces the crunch we hear and feel when biting.

👉 These tiny pores created during dehydration are the heart of that signature “crunchy” sensation.

🔹 Factors that keep starch crispy

Moisture is the most critical factor in maintaining crispiness.

Low moisture (e.g., 20%) → porous, lightweight starch structure → stays crispy
High moisture (e.g., 60%) → dense, fused starch structure → becomes soft, crispiness decreases

Electron microscope images (SEM) clearly show that as moisture increases (A → C), the pores in the starch decrease, and the crispiness drops accordingly.

💡 In short: better moisture control → longer-lasting crispiness

🔹 How Auromex Food helps

To keep fried food crispy longer, Auromex Food developed Crispness Retainer Technology, acting as a water barrier that prevents moisture from penetrating both from inside and outside.

🔸 Prevents water from the food itself from reaching the coating
🔸 Reduces moisture absorption from the surrounding air
🔸 Maintains a porous, lightweight starch structure like freshly fried

The result:
✨ Fried coating stays crispy longer
✨ Doesn’t absorb water
✨ Retains crunchiness even after reheating

Crispiness isn’t a coincidence—it comes from understanding starch mechanisms and managing moisture with advanced technology.

We are ready to help elevate your products, keeping them delicious and crunchy for longer, with innovations from our Food Ingredient Solutions experts.