Why does chewing gum sometimes change its texture

Although this is more a general food related question, I wonder why chewing gum sometimes changes its texture and looses its chewy quality?

texture chemistry

Best Answer

I think it has something to do with the type of hydrocolloid that is being used in the specific gum you are chewing. Most are pretty stable but also need a specific combination of pH, moisture, and temperature to stay within their desired texture range. A comprehensive understanding of the different types of hydrocolloids can be found here:

http://blog.khymos.org/recipe-collection/

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Quick Answer about "Why does chewing gum sometimes change its texture"

Cohesion: This is a measurement of the texture of the gum at its point of maximum change during the chewing process. During the extraction phase, most gums tend to modify their texture and can either become firmer of softer. The gum can lose all its consistency or remain together in the mouth.

Why does chewing gum sometimes disintegrate?

There are enzymes, such as amylase, that can cause gum to break down. Certain foods like peanuts that are stuck to your teeth can cause the same effect. There is even a medical term called Gum Disintegration Syndrome that is given to people whose saliva is incompatible with chewing gum for one reason or another.

How does gum turn chewy?

What makes chewing gum chewy? Chewing gums are made of gum bases which usually comprise indigestible manmade rubber, making them chewy. Additionally, different flavours and softeners are added to the gum base to prevent the gum from hardening.

Why does the mass of gum change after chewing?

What actually happens may be surprising. Sweet- eners and flavorings provide the majority of the gum's mass. Most gums containing sugar lose 60-75% of their mass after being chewed for 10 minutes. Sugar-free gum will lose about 50% of its mass in 10 minutes.

Is chewing gum made of pig fat?

Chewing Gum: Stearic acid is used in many chewing gums. It is obtained from animal fats, mostly from a pig's stomach.

Chewing Gum From Different Countries

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