23 days ago
Starch-based sensor changes color to indicate moisture in food packaging

What's happening
SignalsMonitor is following this as a technology story. Phys.org Breaking News is the outlet attached so far. The first report grouped here was at 23 Sept 2026, 22:20 UTC. The headline in use is “Starch-based sensor changes color to indicate moisture in food packaging”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
Brazilian researchers have developed a biodegradable, starch-based sensor that changes color when moisture enters food packaging. With the addition of cobalt chloride, the sensor changes from blue to pink as moisture levels rise and back to blue as they fall.
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- First reported by Phys.org Breaking News
Starch-based sensor changes color to indicate moisture in food packaging
Reported by 1 outlet
- Phys.org Breaking News
- Phys.org Breaking NewsStarch-based sensor changes color to indicate moisture in food packaging