What's the small packet printed "DO NOT EAT"? Food preservative 2021.08.31
Have you ever found a small sachet inside some food package with the words "DO NOT EAT" printed on the surface?
These sachets are food preservatives. Packaging sachets with the food prevents food from deterioration and extends the period that it can be eaten deliciously.
Food preservatives have three main effects: the first is to inhibit the growth of microorganisms such as mold in food (bacteriostatic action), the second is to maintain the texture of food (softness, moistness, etc.), and the third is to prevent food deterioration due to oxidation.
Food deteriorates when contaminating microorganisms such as mold, bacteria, etc. increase. Microorganisms need appropriate conditions such as nutrients, temperature, moisture and oxygen, to grow. Food preservatives create conditions that make it difficult for microorganisms to grow by using Ethanol, a type of alcohol, or by controlling oxygen.
The Ethanol used in food preservatives is contained in powder or gel form in sachets. When packaged with food, the Ethanol evaporates and spreads inside the packaging, thereby inhibiting the growth of microorganisms.
In addition, microorganisms such as mold, will not increase if there is no oxygen available for their growth.. Therefore the growth of microorganisms is suppressed by controlling the oxygen-free condition inside the food packaging with a food preservative that absorbs oxygen.
"Should I use Ethanol, or oxygen absorber, or both?"
You may be wondering how to choose when you have mold in your food.
The following 1-3 will inhibit mold growth, but the other effects that each type is good at will vary.
Therefore, it is important to choose a food preservative that suits each food.
1. Ethanol-based type (Ethanol evaporation agent)
Ethanol evaporates inside the sealed package, thereby inhibiting the growth of mold. It also has the effect of maintaining the softness and moistness of food.
2. Oxygen control type (Oxygen absorber)
It mainly inhibits mold growth by absorbing the oxygen inside the sealed package and making it oxygen-free. It also has the effect of preventing the oxidation of food.
FREUND supplies an innovative hybrid type food preservative that combines the effects of both 1 and 2.
3. Hybrid type (Ethanol evaporation agent + Oxygen absorber)
In addition to the effects of Ethanol evaporation and oxygen absorbing, it is also effective in inhibiting the growth of Bacillus Subtilis and yeast as well as mold.
We have introduced how food preservatives prevent food from deteriorating and keep it tasty.
Finally, we will introduce the combinations of our products with specific foods and inform sample delivery for those who want to use our products.
Contact for samples
We provide samples to food manufacturers who would like to test the effects. Please feel free to contact us using the form below and experience the effects of our food preservatives.
We recommend this you want to maintain the "softness" and "moistness" of food.
- Western confectioneries: Baumkuchen, muffins, madeleines, waffles, macaroons, donuts, etc.
- Japanese confectioneries: Sponge cake, sweet beans, etc.
- Bread: Danish, bagels, etc.
- Noodles: Half-fresh udon noodles, half-fresh Chinese noodles, etc.
- Processed seafood: Dried shredded squid, etc.
We recommend this you want to store foods that quickly ferment.
- Western confectionery: Chiffon cake, fruit cake, marron glacé, etc.
- Japanese confectionery: Dorayaki, unbaked yatsuhashi, etc.
- Noodles: Half-fresh udon noodles, half-fresh Chinese noodles, etc.
- Other: Dried fruits (figs, etc.)
We recommend this you want to prevent the deterioration of food due to oxidation.
- Noodles: Half-fresh udon noodles, half-fresh Chinese noodles, etc.
- Other: Dried fruits (apricots, etc.), mixed nuts, etc.
We provide samples to food manufacturers who would like to test the effects. Please feel free to contact us using the form below and experience the effects of our food preservatives.
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