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How to Make Penicillin and Other Home Experiments

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By Bob Ewing


vinegar battery

Home School Chemistry


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Let food be your medicine and medicine your food is a saying that we would do well to give some deep thought. Hippocrates was certainly onto something.

A saying that I use is “Let Nature Be Your Guide”. Whether it was due to intentionally watching Nature or due to pursuing other goals there are many medicines we use today that have their roots in Nature.

Take aspirin for example. The well known Bayer Group the producers of the aspirin many of us are aware of and often thankful for, began life as a company that made dyes.

Felix Hoffmann who took over the company when Friedrich Bayer died discovered aspiring while he was experimenting with a waste product of one of the dye components in an attempt to find relieve for his father's rheumatism.

During this search he chemically synthesized a stable form of salicylic acid powder. This compound went on to become the active ingredient in: Aspirin.

Aspirin’s name was derived as follows: "a" from acetyl, and "spir" from the spirea plant, meadowsweet (Filipendula ulmaria, also known as Spiraea ulmaria), and the source of salicin.

Since the time of Hippocrates white willow bark has been used to treat pain (particularly low back pain and osteoarthritis), headache, and inflammatory conditions such as bursitis and tendonitis.

White willow bark is also know as pussy willow; Salix alba; Salix nigra and is a fairly common tree throughout many parts of the world. You can boil 2 grams of willow bark in about 200 mls of water and create an infusion that is alleged to relieve pain.

I would not do this unless it was in a survival situation.

If you are planning to use a natural supplement or medicine it is wise to consult with your family doctor before doing so; especially if you are taking any prescribed medication.

Penicillin

Penicillin is any antibiotic drug that is taken from molds or made synthetically to treat different diseases and/or infections. More specifically, penicillin is the liquid which is secreted from penicillium notatum, which is the mold.

Alexander Fleming stumped upon penicillin accidentally. http://www.wisegeek.com/how-was-penicillin-discovered-and-developed.htm

You can do a simple experiment and make your own penicillin.

What is Science?

The word science is derived from the Latin "scientia," which means knowledge.

Webster's New Collegiate Dictionary, defines science as "knowledge attained through study or practice," or "knowledge covering general truths of the operation of general laws, esp. as obtained and tested through scientific method [and] concerned with the physical world."

So what does this mean? Science is a means by which we acquire knowledge; a system that uses observation and experimentation to describe and explain natural phenomena.

Science is about discovery but it is also about the search. As you have just read both aspirin and penicillin came into being because people were employing the scientific method to find something and during that process found something else.

The Scientific Method:

  • The scientific method is a way to ask and answer scientific questions by making observations and doing experiments.
  • The steps of the scientific method are to:
    • Ask a Question
    • Do Background Research
    • Construct a Hypothesis
    • Test Your Hypothesis by Doing an Experiment
    • Analyze Your Data and Draw a Conclusion
    • Communicate Your Results
  • It is important for your experiment to be a fair test. A "fair test" occurs when you change only one factor (variable) and keep all other conditions the same.

If you want to learn how plants grow there is a very simple experiment that you can do. All you need is a bean seed, a small clear container, soil, and some water.

Put the soil in the clear container, plant the bean seed near a side of the container and about ¼ inch deep, cover lightly, water and place in the sun (needs at least 4 hours per day).

You can watch the seed develop a root system and become a bean plant. When the bean appears you can eat it or save the seeds inside and grow more beans.

Learning is meant to be fun and an active experience; science experiments are both. Just remember to follow the instructions and wear goggles or gloves if required.


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Chef Jeff profile image

Chef Jeff  says:
14 months ago

I did the lemon/penny/nail battery with my students just for fun. I also did the natural penicillin thing some years back. Didn't taste very good, but it worked!

Bob Ewing profile image

Bob Ewing  says:
14 months ago

Thanks for adding your experience to the hub.

Bobbie Haws profile image

Bobbie Haws  says:
14 months ago

Great and interesting facts. I love that gardening can mean so many things besides growing food.

Bob Ewing profile image

Bob Ewing  says:
14 months ago

Thanks Bobbie for visiting.

earnestshub profile image

earnestshub  says:
14 months ago

Thanks Bob, that settled a couple of things for me about origins. I thought Aspirin was made from willow trees, but could not remember the source, so I am adopting your info to my thinking.

Anonomouys  says:
14 months ago

ching ching

anne.moss profile image

anne.moss  says:
13 months ago

Thank you! My husband and myself are huge fans of scientific thinking. We were wondering about the penicillin thing, and we may try it with the kids too.

Bob Ewing profile image

Bob Ewing  says:
13 months ago

You are welcome.

johnr54 profile image

johnr54  says:
10 months ago

I wish I'd found this a month ago, my kids just handed in their science fair projects last week. I would have liked to see how well the penecillin one worked out.

Bob Ewing profile image

Bob Ewing  says:
10 months ago

Well, maybe next year, thanks for stopping by.

Jesus_saves_us_7 profile image

Jesus_saves_us_7  says:
10 months ago

i home school and now i have a cool project for them, thanks.

Bob Ewing profile image

Bob Ewing  says:
10 months ago

You are welcome and thanks for stopping by.

Thornton Tice  says:
9 months ago

Thanks for the insight on making aspirin. I am going to get my science minded 12 year old son to look at this and do this experiment for a school project!

Bob Ewing profile image

Bob Ewing  says:
9 months ago

You are welcome. Glad it was useful.

sheristeele profile image

sheristeele  says:
2 months ago

I liked the chemistry videos.. thanks so much

Bob Ewing profile image

Bob Ewing  says:
2 months ago

You are welcome, thanks for dropping by.

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