September 22, 2020, 09.52 PM
 Muhammadiyah 10 GKB Gresik High School students Amalia Dwi Berlianti, Arina Felisia dan Aulia Nabila Syaban hold up the moringa leaves used to make the mouthwash that won them a silver medal at the 2020 World Invention Competition Exhibition [WICE] in Kuala Lumpur, Malaysia earlier this month KOMPAS.COM/HAMZAH ARFAH Muhammadiyah 10 GKB Gresik High School students Amalia Dwi Berlianti, Arina Felisia dan Aulia Nabila Syaban hold up the moringa leaves used to make the mouthwash that won them a silver medal at the 2020 World Invention Competition Exhibition [WICE] in Kuala Lumpur, Malaysia earlier this month

GRESIK, KOMPAS.com – Covid-19 might have brought Indonesian academic life to a standstill, as the pandemic forced schools to opt for online classes instead of face-to-face instruction.

But for Muhammadiyah High School 10 GKB students Amalia Dwi Berlianti, Arina Felisia, and Aulia Nabila Sya'ban, the coronavirus did not stop them from innovating and winning accolades for their work.

The trio from Gresik, East Java recently won the silver medal at the 2020 World Invention Competition Exhibition (WICE) in Kuala Lumpur, Malaysia, for inventing a mouthwash from moringa leaves, a shrub known for its water purifying qualities.

“[Moringa leaves] can prevent and reduce streptococcus mutans, the bacteria that causes cavities,” said Arina.

Also read: China Market Offers Huge Potential for Indonesia's Traditional Herbal Products, Medicinal Plants

“We noticed that many mouthwashes in the market today contain substances like carcinogens or saccharin. If swallowed, they can harm the body by causing cancer or kidney disease.”

While the research they put into the mouthwash might be comprehensive, the inspiration behind the three students’ invention was far simpler.

“We were inspired by the large numbers of moringa trees near our houses,” said Amalia. “We also learned from [scientific] journals that [moringa leaves] can prevent and reduce cavities.”

She added that the three mixed in sorbitol, gum Arabic and peppermint essential oils with the moringa leaves.

“We used sorbitol as a substitute for saccharine, as it does not leave a sweet aftertaste in the mouth or make it feel dry. We used the gum Arabic to mix the water [with the moringa leaves], while the peppermint essential oils hold the mouthwash’s ingredients together.”

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