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Food, feed & confectioneryAdvanced materials
Moisture control is one of the hardest things to get right in baking. Crackers must stay crisp. Cakes must stay soft. Both depend on holding water at the correct level, evenly, from the oven to the pack. At Bühler, we help producers meet that target batch after batch. Get moisture control right, and quality holds through the whole shelf life.
Water shapes more than texture. It shapes safety and shelf life too. Food scientists track this through water activity, the water available for microbes and reactions. The FDA notes that most foods above a water activity of 0.95 can support microbial growth, and lowering available moisture holds it back. So moisture control is both a quality tool and a safety tool. We build that understanding into every drying and baking solution we deliver.
Crackers live or die by low, even moisture. A crisp cracker needs its water driven down to a tight target. Too much, and it goes soft. Uneven across the sheet, and another problem appears. Food Safety Magazine explains that water moves from wetter zones to drier ones inside a product, which builds stress and can crack a cracker after baking. Bakers call this checking. Even moisture control across the whole band is the fix, and our ovens hold that finish steady.
Cakes face the opposite task. Here the goal is to keep the right moisture in, not drive it out. Too little, and the crumb turns dry and stales fast. Too much, and mold becomes a risk. The target is a balanced, stable level that stays put in the pack. We help producers control bake time and temperature to protect the crumb. Good moisture control is what lets a cake feel fresh days after it leaves the line.
The old method was manual. Pull a sample, test it, adjust, and hope. It works, but it lags the process. Our thermal processing and drying technology is built around precise moisture control, which is essential for consistent quality. Sensors can read moisture as product runs and feed data back to adjust settings in real time. That reduces moisture swings, improves yield, and cuts wasted energy. It replaces guesswork with steady, measured control.
Moisture work does not end at the oven. Packaging has to protect the target you worked hard to reach. A crisp cracker in a poor barrier pack will pull in humidity and soften on the shelf. A soft cake in the wrong film can dry out or sweat. Matching the pack to the product keeps moisture where it belongs until the customer opens it.
The cost of getting this wrong is real. Off-target moisture leads to rejects, complaints, and shortened shelf life, and each of those eats into margin and trust. Good moisture control across baking, cooling, and packaging protects all of it as one connected process. We help producers set the target for each product, then hold it from the oven right through to the finished pack. That end-to-end view is where our process knowledge makes the biggest difference. It also opens the door to better shelf life and steadier supply.
Moisture control is not one setting you dial in once. It runs through mixing, baking, cooling, and packaging as one connected chain. We work with producers across all of it, and we test recipes in our centers before they scale. Even drying keeps crackers crisp and free of checking. Balanced baking keeps cakes soft without inviting mold. The plants that handle this well measure moisture often and act early.
That is the partnership we bring, and it usually pays back in fewer rejects and steadier shelf life. The tools are widely available today, so what matters most is the habit of measuring and correcting early. We are glad to help set that habit in place. In the end, the goal is simple to state and hard to earn. Hold the moisture, and quality follows. We help producers earn it one measured step at a time. That is a partnership plant and quality teams can rely on season after season.
buhler.minneapolis@buhlergroup.com
+1 763 847 9900
Bühler
13105 12th Avenue North
Plymouth, MN
USA