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[[File:No_fire,_fuel,_wondeful_solar_cooking.jpg|right|300px]][[File:No_fire,fuel,_wonderful_solar_cooking_group_photo.jog.jpg|thumb|300px|No Fire, No Fuel, - Wonderful Solar Cooking]]
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[[File:DSC02305.jpg|thumb]][[File:DSC02306.jpg|thumb]][[File:DSC02319.jpg|thumb]][[File:DSC02320.jpg|thumb]][[File:DSC02323.jpg|thumb]][[File:DSC02348.jpg|thumb]]
 
   
<p style="text-align: justify; margin: 0cm 0cm 0pt"><span lang="EN" style="font-size: 14pt; mso-ansi-language: EN"><span lang="EN" style="font-size: 14pt; mso-ansi-language: EN">I am a Sri </span><span style="font-size: 14pt">Lankan</span><span lang="EN" style="font-size: 14pt; mso-ansi-language: EN"> mechanical engineer born in 1950. Sometime back, on a sunny day, I happened to see a group of people trying to burn firewood for cooking their meals at a windy open place. As the wind was very strong at that time, they were unable to burn any firewood and finally they gave it up. That incident provoked my thought of making a solar cooker which can be used for cooking in any windy place. With this idea in mind, one day when I was surfing the internet, I came across the website of Solar Cooker International. I scrutinized it and studied the technique of making solar cookers. Then I made and tested all types of solar cookers to find out the best type for domestic use in Sri Lanka. I realized that the box cooker is the most suitable, user-friendly type for our country. </span></span></p>
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{{Updated|9|17|13}}
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<p class="MsoNormal" style="text-align:justify">[[File:Mosquito Control! Part1|right|335 px]]</p>
   
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<p class="MsoNormal"><span style="font-size:16.0pt">Making herbal mosquito repellent using solar cooker.</span></p>
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<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif"">Apart from cooking, I have invented a method to make a herbal mosquito repellent (HMR) from betel leaves using solar box cooker. This mosquito repellent can be effectively used for prevention of any mosquito-borne disease. It is good news for all tropical countries where solar box cookers can be used and mosquito density is high. HMR is made by simmering betel leaves in a solar box cooker. It is a very simple and low cost technique and anyone can make it as a home remedy to protect his family from this deadly creature.</span><span style="font-family:Arial,sans-serif;font-size:13px;"> </span></p>
   
<p style="text-align: justify; margin: 0cm 0cm 0pt"><span lang="EN" style="font-size: 14pt; mso-ansi-language: EN"><span lang="EN" style="font-size: 14pt; mso-ansi-language: EN">I did some modifications to the box cooker to increase its efficiency. It was necessary to replace the top glass with a suitable plastic sheet because the glass didn’t withstand its high temperature and cracked. I used two transparent plastic sheets instead and a good insulator to minimize the heat loss from the box. Also, I was able to use white cooking pots by covering their lids with black velvet cloth instead of using black pots, which are normally used in solar cookers. Its temperature was measured with a laser thermometer without pots in it and with pots. Although the outside temperature was not very high at that time, the temperature inside the cooker was 125 Celsius and 85 Celsius respectively. That temperature was sufficient for cooking meals. </span></span></p>
 
   
   
<p style="text-align: justify; margin: 0cm 0cm 0pt"><span lang="EN" style="font-size: 14pt; mso-ansi-language: EN"><span lang="EN" style="font-size: 14pt; mso-ansi-language: EN">We have successfully cooked boiled rice, dhal, gram, sweet potato, raw fish, dry fish and many other curries in this 24" x 18" box cooker for testing purpose. It took about two hours for cooking. </span></span></p>
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<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif"">Mosquitoes kill millions of people in the world annually. HMR (or Duru-Maduru in Sinhala) can provide a perfect protection from them, provided it is made in the proper way. I invented this product in April 2010 over a period of 30 years endeavour. Recently I won a prize for this product in a competition held by a UK-based professional organization. It is my pleasure to share this invaluable experience with you, so that you too can protect the lives of your beloved ones in any mosquito epidemic situation.</span><span style="font-family:Arial,sans-serif;font-size:13px;"> [[File:Betel_leaf.jpg|thumb|78px]]</span></p>
   
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<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif"">Let us see how to make this product. Follow the instructions given below.</span><span style="font-family:Arial,sans-serif;font-size:13px;"> </span></p>
   
<p style="text-align: justify; margin: 0cm 0cm 0pt"><span lang="EN" style="font-size: 14pt; mso-ansi-language: EN"><span lang="EN" style="font-size: 14pt; mso-ansi-language: EN">I published an article in one of the Sinhalese [[File:DSC02286.jpg|thumb]]newspapers (80% villagers read Sinhalese papers) about solar cookers. I wanted to know whether villagers are aware of this method of cooking. Surprisingly, I got a large number of phone calls from all parts of the island inquiring about the cooker. It implies that most of Sri Lankans in villages are not aware of this method of cooking. My website http://scsl1.yolasite.com gives more information useful to Sri Lankan villagers.</span></span></p>
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<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif"">You need: </span></p>
   
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<p class="MsoNormal" style="margin-left:54.0pt;text-align:justify;text-indent: -36.0pt;mso-list:l0level1lfo1"><span style="font-family: "Arial","sans-serif";mso-fareast-font-family:Arial">1.<span style="font-size:7pt;font-family:'TimesNewRoman';">            </span></span><span style="font-family:"Arial","sans-serif"">A solar box cooker (inside temperature should be maintained at 85º Celsius). </span></p>
   
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<p class="MsoNormal" style="margin-left:54.0pt;text-align:justify;text-indent: -36.0pt;mso-list:l0level1lfo1"><span style="font-family: "Arial","sans-serif";mso-fareast-font-family:Arial">2.<span style="font-size:7pt;font-family:'TimesNewRoman';">            </span></span><span style="font-family:"Arial","sans-serif"">Black pot.[[File:DSC03070.jpg|thumb|134px]] </span></p>
   
<p style="margin: 0cm 0cm 0pt"><span lang="EN" style="font-size: 14pt; mso-ansi-language: EN"><span lang="EN" style="font-size: 14pt; mso-ansi-language: EN"><span lang="EN-US" style="font-size: 18pt; mso-ansi-language: EN-US"><span lang="EN-US" style="font-size: 16pt; mso-ansi-language: EN-US">Solar cookers can be introduced to the low income sector of the dry zone of Sri Lanka very successfully, if funds are available. Any "environment friendly NGO" or any other funding agency is requested to undertake this activity. </span></span></span></span></p>
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<p class="MsoNormal" style="margin-left:54.0pt;text-align:justify;text-indent: -36.0pt;mso-list:l0level1lfo1"><span style="font-family: "Arial","sans-serif";mso-fareast-font-family:Arial">3.<span style="font-size:7pt;font-family:'TimesNewRoman';">            </span></span><span style="font-family:"Arial","sans-serif"">40 betel leaves (average size). </span></p>
   
<p style="margin: 0cm 0cm 0pt"><span lang="EN" style="font-size: 14pt; mso-ansi-language: EN"><span lang="EN" style="font-size: 14pt; mso-ansi-language: EN">[[File:Solar_cooker_site001.jpg|thumb]]</span></span></p>
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<p class="MsoNormal" style="margin-left:54.0pt;text-align:justify;text-indent: -36.0pt;mso-list:l0level1lfo1"><span style="font-family: "Arial","sans-serif";mso-fareast-font-family:Arial">4.<span style="font-size:7pt;font-family:'TimesNewRoman';">            </span></span><span style="font-family:"Arial","sans-serif"">Water - 300 ml. </span></p>
<p style="text-align: justify; margin: 0cm 0cm 0pt">Articles in the media</p>
 
   
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<p class="MsoNormal" style="margin-left:54.0pt;text-align:justify;text-indent: -36.0pt;mso-list:l0level1lfo1"><span style="font-family: "Arial","sans-serif";mso-fareast-font-family:Arial">5.<span style="font-size:7pt;font-family:'TimesNewRoman';">            </span></span><span style="font-family:"Arial","sans-serif"">A sharp knife. </span></p>
   
*'''January 2011:''' [http://www.rivira.lk/2011/01/09/rivinetha1.htm No Fire, No Fuel - Wonderful Solar Cooker]
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<p class="MsoNormal" style="margin-left:54.0pt;text-align:justify;text-indent: -36.0pt;mso-list:l0level1lfo1"><span style="font-family: "Arial","sans-serif";mso-fareast-font-family:Arial">6.<span style="font-size:7pt;font-family:'TimesNewRoman';">            </span></span><span style="font-family:"Arial","sans-serif"">A filter (cloth) for straining purpose.[[File:DSC03072.jpg|thumb|142px]] </span></p>
   
==See also==
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<p class="MsoNormal" style="margin-left:54.0pt;text-align:justify;text-indent: -36.0pt;mso-list:l0level1lfo1"><span style="font-family: "Arial","sans-serif";mso-fareast-font-family:Arial">7.<span style="font-size:7pt;font-family:'TimesNewRoman';">            </span></span><span style="font-family:"Arial","sans-serif"">A hand sprayer.</span><span style="font-family:Arial,sans-serif;font-size:13px;"> </span></p>
*[[NG Solar Cooker]]
 
   
==Contact==
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<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif"">Manufacturing procedure.</span><span style="font-family:Arial,sans-serif;font-size:13px;"> </span></p>
Neelaratna Geekiyanage (Neel)<br />
 
177/8A, Quarry Road, Parakum Mawatha<br />
 
Dehiwala<br />
 
[[Sri Lanka]]
 
   
Mobile: 0774160103
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<p class="MsoNormal" style="margin-left:54.0pt;text-align:justify;text-indent: -36.0pt;mso-list:l1level1lfo2"><span style="font-family: "Arial","sans-serif";mso-fareast-font-family:Arial">1.<span style="font-size:7pt;font-family:'TimesNewRoman';">            </span></span><span style="font-family:"Arial","sans-serif"">Cut betel leaves into 5 mm thick strips. </span></p>
   
Email: [mailto:neelgee@gmail.com neelgee@gmail.com]
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<p class="MsoNormal" style="margin-left:35.45pt;text-align:justify;text-indent: -17.45pt;mso-list:l1level1lfo2"><span style="font-family: "Arial","sans-serif";mso-fareast-font-family:Arial">2.<span style="font-size:7pt;font-family:'TimesNewRoman';">    </span></span><span style="font-family:"Arial","sans-serif"">Put them into the pot and add 300 ml of water. (Always betel strips should be under water). Close the lid. </span></p>
[[Category:Individuals|Geekiyanage]]
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<p class="MsoNormal" style="margin-left:35.45pt;text-align:justify;text-indent: -17.45pt;mso-list:l1level1lfo2"><span style="font-family: "Arial","sans-serif";mso-fareast-font-family:Arial">3.<span style="font-size:7pt;font-family:'TimesNewRoman';">    </span></span><span style="font-family:"Arial","sans-serif"">Keep the pot inside the solar box cooker and simmer it for 2-3 hours under the bright sun light.</span></p>
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<p class="MsoNormal" style="margin-left:35.45pt;text-align:justify;text-indent: -17.45pt;mso-list:l1level1lfo2"><span style="font-family: "Arial","sans-serif";mso-fareast-font-family:Arial">4.<span style="font-size:7pt;font-family:'TimesNewRoman';">    </span></span><span style="font-family:"Arial","sans-serif"">Then allow it to cool down to the room temperature inside the cooker without opening the lid. When it is cooled down, open the lid and strain (filter out) the liquid.[[File:Durumaduru.jpg|thumb|209px]] </span></p>
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<p class="MsoNormal" style="margin-left:54.0pt;text-align:justify;text-indent: -36.0pt;mso-list:l1level1lfo2"><span style="font-family: "Arial","sans-serif";mso-fareast-font-family:Arial">5.<span style="font-size:7pt;font-family:'TimesNewRoman';">            </span></span><span style="font-family:"Arial","sans-serif"">Store it in a bottle under refrigeration. </span></p>
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<p class="MsoNormal" style="margin-left:54.0pt;text-align:justify;text-indent: -36.0pt;mso-list:l1level1lfo2"><span style="font-family: "Arial","sans-serif";mso-fareast-font-family:Arial">6.<span style="font-size:7pt;font-family:'TimesNewRoman';">            </span></span><span style="font-family:"Arial","sans-serif"">Add a pleasant natural smell into the liquid, if necessary. </span></p>
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<p class="MsoNormal" style="margin-left:54.0pt;text-align:justify;text-indent: -36.0pt;mso-list:l1level1lfo2"><span style="font-family: "Arial","sans-serif";mso-fareast-font-family:Arial">7.<span style="font-size:7pt;font-family:'TimesNewRoman';">            </span></span><span style="font-family:"Arial","sans-serif"">Take the daily usage quantity into the sprayer.</span><span style="font-family:Arial,sans-serif;font-size:13px;"> </span></p>
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  +
<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif"">Spray it around you to repel mosquitoes. When you apply it on your hands, legs and cheeks, you can escape from mosquito attacks and avoid their annoying noise on your ears without mosquito nets. You can maximize the quality of HMR by doing trial-and-error experiments, but the quality you get from this method is quite sufficient to serve the purpose.</span><span style="font-family:Arial,sans-serif;font-size:13px;"> </span></p>
  +
  +
<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif"">Betel leaves grow in countries like Sri Lanka, Pakistan India, Bangladesh, etc. It may grow in other tropical countries as well, having similar climatic conditions.</span><span style="font-family:Arial,sans-serif;font-size:13px;"> </span></p>
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'''<span style="font-size:18.0pt; font-family:"Arial","sans-serif"">[[File:DSC03555.jpg|thumb|96px]]</span>'''
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<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif"">Mosquito has a very sensitive antenna by which it can detect our carbon dioxide, moisture and odour. Therefore, they can find us and attack straightaway. Betel leaf seems to have an ingredient which can upset their sensing organs. Therefore when we apply HMR on our body, they won’t be able to detect us at once and so, we can hide ourselves from them easily. </span></p>
  +
  +
<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif""> </span></p>
  +
  +
<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif"">According to my practical experience, this ingredient is dissolved in water at the temperature of around 85º Celsius.  Therefore box cooker should be especially designed not to exceed that temperature. The liquid could be applied on the body or sprayed around in the bed room before going to sleep. Duru-maduru (HMR) is a 100% natural product and so is safe to our skin.</span><span style="font-family:Arial,sans-serif;font-size:13px;"> </span></p>
  +
  +
<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif"">If you make this liquid correctly and use it collectively in your residential area, you will be able to confine mosquitoes to jungles.</span><span style="font-family:Arial,sans-serif;font-size:13px;"> </span></p>
  +
  +
<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif"">I tested HMR in our community over a period of 3 years before publishing this article in the SCI website. If you are satisfied with this product, I am sure you will not be hesitating to make a donation for my future R & D activities. You could contact me through [mailto:neelgee@gmail.com neelgee@gmail.com] for this purpose.</span><span style="font-family:Arial,sans-serif;font-size:13px;"> </span></p>
  +
  +
<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif"">Enjoy mosquito-free life at home and protect your beloved ones from this deadly creature.</span><span style="font-family:Arial,sans-serif;font-size:13px;"> </span></p>
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<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif"">I presume that HMR is really a gift and a help to the mankind. </span></p>
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<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif""> </span></p>
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<p class="MsoNormal" style="text-align:justify">''''<span style="font-family:"Arial","sans-serif"">Eng. Neelaratna Geekiyanage</span>''''</p>
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<p class="MsoNormal" style="text-align:justify">'''<span style="font-family:"Arial","sans-serif"">Sri Lanka</span>'''<span style="font-family:"Arial","sans-serif""> </span></p>
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<p class="MsoNormal" style="text-align:justify"><span style="font-family:"Arial","sans-serif"">14/08/2013[[File:Neelaratna.jpg|thumb]] </span></p>
 
[[Category:Sri Lanka|Geekiyanage]]
 
[[Category:Sri Lanka|Geekiyanage]]
[[Category:Solar Cookers World Network members|Geekiyanage]]
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[[Category:Solar Cookers International Network members|Geekiyanage]]
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[[Category:Individuals|Geekiyanage]]
 
[[Category:A2J]]
 
[[Category:A2J]]

Latest revision as of 19:51, March 30, 2014

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Last updated: September 17, 2013      

Mosquito Control! Part122:31

Mosquito Control! Part1

Making herbal mosquito repellent using solar cooker.

Apart from cooking, I have invented a method to make a herbal mosquito repellent (HMR) from betel leaves using solar box cooker. This mosquito repellent can be effectively used for prevention of any mosquito-borne disease. It is good news for all tropical countries where solar box cookers can be used and mosquito density is high. HMR is made by simmering betel leaves in a solar box cooker. It is a very simple and low cost technique and anyone can make it as a home remedy to protect his family from this deadly creature. 


Mosquitoes kill millions of people in the world annually. HMR (or Duru-Maduru in Sinhala) can provide a perfect protection from them, provided it is made in the proper way. I invented this product in April 2010 over a period of 30 years endeavour. Recently I won a prize for this product in a competition held by a UK-based professional organization. It is my pleasure to share this invaluable experience with you, so that you too can protect the lives of your beloved ones in any mosquito epidemic situation. 

Betel leaf

Let us see how to make this product. Follow the instructions given below. 

You need:

1.            A solar box cooker (inside temperature should be maintained at 85º Celsius).

2.            Black pot.

DSC03070

3.            40 betel leaves (average size).

4.            Water - 300 ml.

5.            A sharp knife.

6.            A filter (cloth) for straining purpose.

DSC03072

7.            A hand sprayer. 

Manufacturing procedure. 

1.            Cut betel leaves into 5 mm thick strips.

2.    Put them into the pot and add 300 ml of water. (Always betel strips should be under water). Close the lid.

3.    Keep the pot inside the solar box cooker and simmer it for 2-3 hours under the bright sun light.

4.    Then allow it to cool down to the room temperature inside the cooker without opening the lid. When it is cooled down, open the lid and strain (filter out) the liquid.

Durumaduru

5.            Store it in a bottle under refrigeration.

6.            Add a pleasant natural smell into the liquid, if necessary.

7.            Take the daily usage quantity into the sprayer. 

Spray it around you to repel mosquitoes. When you apply it on your hands, legs and cheeks, you can escape from mosquito attacks and avoid their annoying noise on your ears without mosquito nets. You can maximize the quality of HMR by doing trial-and-error experiments, but the quality you get from this method is quite sufficient to serve the purpose. 

Betel leaves grow in countries like Sri Lanka, Pakistan India, Bangladesh, etc. It may grow in other tropical countries as well, having similar climatic conditions. 

DSC03555

Mosquito has a very sensitive antenna by which it can detect our carbon dioxide, moisture and odour. Therefore, they can find us and attack straightaway. Betel leaf seems to have an ingredient which can upset their sensing organs. Therefore when we apply HMR on our body, they won’t be able to detect us at once and so, we can hide ourselves from them easily.

 

According to my practical experience, this ingredient is dissolved in water at the temperature of around 85º Celsius.  Therefore box cooker should be especially designed not to exceed that temperature. The liquid could be applied on the body or sprayed around in the bed room before going to sleep. Duru-maduru (HMR) is a 100% natural product and so is safe to our skin. 

If you make this liquid correctly and use it collectively in your residential area, you will be able to confine mosquitoes to jungles. 

I tested HMR in our community over a period of 3 years before publishing this article in the SCI website. If you are satisfied with this product, I am sure you will not be hesitating to make a donation for my future R & D activities. You could contact me through neelgee@gmail.com for this purpose. 

Enjoy mosquito-free life at home and protect your beloved ones from this deadly creature. 

I presume that HMR is really a gift and a help to the mankind. 

 

'Eng. Neelaratna Geekiyanage'

Sri Lanka

14/08/2013

Neelaratna

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