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Two Nigerian Female Students find a Solution for Bad Breath with Walnut



Nigerian Students - BN News - 01
Say bye-bye to bad breath (if you have one) and embrace fresher, fresher breath.

Two Nigerian students of Doregos Private Academy, Ipaja, Lagos – Eveshorhema Sophia Samuel-Alli and Ibukunoluwa Ruth Oladeinde carried out a research on African walnut.

At the end of their experiment, they discovered that it could cure bad breath.

It also has many properties which are, its cancer-fighting properties, rare antioxidants, benefits the heart and circulatory system, helps with weight control and improves reproduction in men.

In chat with Vanguard, they spoke on their project – Walnut: Sustainable Solution to Halitosis, which they presented at the 2014 Intel International Science and Engineering Fair held in Los Angeles, USA in June.

They conducted the the experiment with 35 volunteers, which were divided into four groups to use the walnut, as well as the Walnut chewing gum and the Walnut mouthwash.

They said;
“Before they took the walnut and walnut products, they were made to blow bubbles into the solution and then we recorded how long it took to turn the solution black. What turns the solution black is hydrogen sulphide and that is what causes mouth odour. So if it takes a short time, that means the mouth odour is actually very bad. Then after the experiment, they were also made to blow bubbles into the solution and this time, it was noticed that there was significant time lapse before the solution turned black.

When the control group who had bacteria in their mouths, blew bubbles into the solution, it turned black while it remained clear when the other groups blew bubbles into it. So we knew that the walnut was actually working to cure halitosis.”

They won a Life Science Award of $1,000 in the Medicine and Health Science category.

Be inspired.


  1. Cynthia

    August 21, 2014 at 7:18 am

    Ok, congrats little cuties. Halitosis is so difficult to treat because it has several causes, from dental caries, sinusitis , lung infection ,etc. I’m quite relieved to see the great improvement with walnut. Guess I should start recommending the mouth wash that has walnut in it, instead of chlohexidine.

    • Gorgeous

      August 21, 2014 at 12:24 pm

      This Doregos is still a very good school. Nice one little future researchers 😉

  2. Emma

    August 21, 2014 at 7:46 am


  3. lyn

    August 21, 2014 at 7:48 am

    kudos to you two! The female gender doin great things!

    • ak

      August 21, 2014 at 2:47 pm

      Congrats to all Female Scientists defying odds and showing the world that they are as smart as Men and deserve to be treated equally on the basis of their brains and not physical weaknesses!

  4. Fortune Da Function Guy

    August 21, 2014 at 8:26 am

    Naija is blessed no matter what….. #spiritofnaija

  5. Fre

    August 21, 2014 at 8:35 am

    Congrats girls

  6. mrs chidukane

    August 21, 2014 at 8:37 am

    Well done girls.

  7. vickky

    August 21, 2014 at 8:58 am

    I’m totally impressed by the achievements of these two young researchers. May they reach out for the stars and succeed.

  8. Dee

    August 21, 2014 at 9:21 am

    Awesome! More of this please 🙂


    August 21, 2014 at 9:26 am

    this is a very good achievement…..our kids need to be encouraged, they are our future. We at FC4T (FUTURE CONCERN 4 TEEN) believe in nurturing our tomorrow today!

  10. isima richards

    August 21, 2014 at 9:30 am

    wow! congratulations.

  11. +Rare Gem+

    August 21, 2014 at 9:34 am

    Far above your brightest wishes, stands a world for you to hold. Eves. & Ibukun soar higher than the eagle~


    August 21, 2014 at 9:46 am

    Kudos girls!

  13. Anonymous

    August 21, 2014 at 10:06 am


  14. jenny

    August 21, 2014 at 10:25 am


  15. chicadimples

    August 21, 2014 at 10:29 am


  16. Anonymous

    August 21, 2014 at 10:36 am

    go DPA , welldone girls keep the flag flying

  17. chinwe

    August 21, 2014 at 10:39 am

    Its so good to read things like this about Nigerians because all we seem to read is bad news. Well done gurls!

  18. adelegirl

    August 21, 2014 at 10:48 am

    Well done girls! There is so much more to discover in the gold mine of African Agricultural produce.


    August 21, 2014 at 11:35 am


  20. Changing Faces

    August 21, 2014 at 11:41 am

    Congratulations young ones… and to the school too. great work

  21. Bella

    August 21, 2014 at 11:56 am

    So adorable and brainy too, now this is what we need to be reading about on a daily basis, so proud of you little munchkins 🙂

  22. Seyi

    August 21, 2014 at 12:01 pm

    Thats amazing! Well done to them!

  23. Koffie

    August 21, 2014 at 1:10 pm

    Great work by these young ones. I feel so proud of them even without knowing them. Walnut mouthwash? I’ll look out for that…cant be too careful

  24. ATL's finest

    August 21, 2014 at 1:21 pm

    I wish the world will see this instead of theses useless Americans talking crap from their mouth everything as if I’m the creator of Ebola or I made those mobs raid the hospital in Liberia. Bravo to you both.

    • ATL's finest

      August 21, 2014 at 1:22 pm


  25. amaa

    August 21, 2014 at 2:22 pm

    BN more inspiring stories like this is welcomed.

  26. tunmi

    August 21, 2014 at 2:50 pm

    Congratulations girls. Now onto marketing these products. Bags of African Walnuts, African Walnut chewing gum, everything using the girls and their award for marketing purposes. Girls, this is a gold mine. On to more and better things.

  27. Stella Kashmoney

    August 21, 2014 at 2:58 pm

    Wow impressive. Well done

  28. Adaeze Writes

    August 21, 2014 at 3:50 pm

    So proud of the beautiful girls! Abeg where is the school? Their school is the place to be jo

  29. sum1special

    August 21, 2014 at 4:36 pm

    people with bad breath please take note,thats if they even know they have it.

  30. Jojo

    August 21, 2014 at 6:57 pm

    Well done girls.

  31. Jojo

    August 21, 2014 at 6:58 pm

    what is the native name for african walnut

    • Lois

      August 21, 2014 at 9:15 pm

      Yorubas call Walnut ‘ASALA’. It is a fairly big black-shalled nut with a creamy white coloured nut inside

  32. Lois

    August 21, 2014 at 9:14 pm

    God bless you young ladies. May God expand you and make defy all odds to make it big in the science world and beyond. Finally, I have something to recommend to Dr. Ogbonna. His mouth odour no be here at all

  33. Dr. N

    August 21, 2014 at 9:34 pm

    Wonderful, girls!

  34. MissMo

    August 22, 2014 at 2:03 pm

    Has Dj exclusive heard about this new cure?

  35. Edu

    August 23, 2014 at 9:00 am

    Excellent! Well done to you both!

  36. Zee

    August 24, 2014 at 10:55 pm

    Proud of these young girls!

  37. Marco

    October 12, 2014 at 4:58 pm

    The solution is the mouth spray Difresh Stop Halitosis

  38. Dickson N.C

    December 12, 2014 at 12:53 pm

    Wow….am proud of u girls

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