Scientists in Singapore transform fruit leftovers into antibacterial bandages


Sept 20 – Scientists at Nanyang Technological College (NTU) in Singapore are tackling meals waste by turning discarded durian husks into antibacterial gel bandages.

The method extracts cellulose powder from the fruit’s husks after they’re sliced and freeze-dried, then mixes it with glycerol. This combination turns into tender hydrogel, which is then reduce into bandage strips.

“In Singapore, we eat about 12 million durians a yr, so in addition to the flesh, we will’t do a lot in regards to the husk and the seeds and this trigger environmental air pollution,” mentioned Professor William Chen, director of the meals science and expertise program at NTU. The fruit’s husks, which make up greater than half of the composition of durians, are often discarded and incinerated, contributing to environmental waste.

Chen added that the expertise may flip different meals waste, similar to soy beans and spent grains, into hydrogel, serving to restrict the nation’s meals waste.

In comparison with standard bandages, the organo-hydrogel bandages are additionally capable of preserve wound areas cooler and moist, which may also help speed up therapeutic.

The researchers say utilizing waste supplies and yeast for the antimicrobial bandages is more cost effective than the manufacturing of standard bandages, whose antimicrobial properties come from dearer metallic compounds like silver or copper ions.

A durian wholeseller, Tan Eng Chuan, mentioned he goes by means of at the least 30 crates of durians a day throughout durian season – as a lot as 1,800 kg. With the ability to use the components of the fruit which might be ordinarily discarded, he mentioned, was an innovation that may make having fun with it “extra sustainable”. | Scientists in Singapore remodel fruit leftovers into antibacterial bandages


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