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Science Inquiry Project
Teri Cozart
Sara Elmore
Organic and Non-Organic foods
and mold growth
The Question:
Does organic food mold faster
than non-organic food?
Does organic
apples, bread,
bananas, baby
food, or potatoes
mold faster than
non-organic
bread, bananas,
baby food and
potatoes?
RECENTLY, WE HAVE BEEN TRYING
TO EAT MORE ORGANIC FOODS DUE
TO THE FACT WE SUPPORT LOCAL
FOOD OWNERS. BUT AS WE WERE
BUYING ORGANIC FOODS THAT WE
NORMALLY BUY NON-ORGANIC, WE
WERE WONDERING IF THE FOOD
BEING “MORE HEALTHY” AND
ORGANIC IF IT WOULD LAST LONGER
AS WELL.
Origin of the Question
Hypothesis Reason for Hypothesis
 We predict that there will
be no change in whether
or not the food is organic
or non- organic, the food
will mold at the same
rate or equally.
 We predict this because
even though the organic
foods do not have all of
the preservatives in it, it
is still food and will more
than likely spoil and
grow mold at the same
rate.
WE WILL BUY THREE OF EACH
ORGANIC AND NON-ORGANIC FOODS
(APPLES, BREAD, BANANAS, BABY
FOOD, AND POTATOES).
Procedures
WE WILL CUT EACH ORGANIC
AND NON ORGANIC FOOD
INTO SLICES AND PLACE
THREE SLICES OF EACH IN
PLASTIC BAGGIES.
Procedures continued..
FOR THE BABY
FOOD WE WILL
PLACE TWO
TABLESPOONS
INTO A PLASTIC
BAGGIE.
Continued..
WE WILL LABEL
EACH FOOD
ORGANIC AND
NON ORGANIC SO
THAT WE WILL
NOT GET THE TWO
CONFUSED
Continued..
WE WILL OBSERVE THE
CHANGES IN THESE FOODS OVER
A PERIOD OF THREE WEEKS AND
RECORD DATA AT THE END OF
EACH WEEK.
9/24
10/1
10/8
Continued…
THE FOOD
(BREAD,
BANANA, BABY
FOOD, APPLE,
POTATO) IS
GOING TO BE
THE
INDEPENDENT
VARIABLE.
Independent Variable
WHETHER OR
NOT MOLD GREW
OR APPEARED ON
THE FOOD
SERVES AS THE
DEPENDENT
VARIABLE.
Dependant Variable
•O R G A N I C F O O D S A R E M A D E I N A W A Y T H A T C O M P L I E S
W I T H O R G A N I C S T A N D A R D S S E T B Y N A T I O N A L
G O V E R N M E N T S A N D I N T E R N A T I O N A L O R G A N I Z A T I O N S .
( P A U L , 2 0 1 0 )
•I N T H E U N I T E D S T A T E S , O R G A N I C P R O D U C T I O N I S A
S Y S T E M T H A T I S M A N A G E D I N A C C O R D A N C E W I T H T H E
O R G A N I C F O O D S P R O D U C T I O N A C T ( O F P A ) O F 1 9 9 0 A N D
R E G U L A T I O N S I N T I T L E 7 , P A R T 2 0 5 O F T H E C O D E O F
F E D E R A L R E G U L A T I O N S T O R E S P O N D T O S I T E - S P E C I F I C
C O N D I T I O N S B Y I N T E G R A T I N G C U L T U R A L , B I O L O G I C A L ,
A N D M E C H A N I C A L P R A C T I C E S T H A T F O S T E R C Y C L I N G O F
R E S O U R C E S , P R O M O T E E C O L O G I C A L B A L A N C E , A N D
C O N S E R V E B I O D I V E R S I T Y . ( P A U L , 2 0 1 0 )
What is Organic?
O R G A N I C M E A T , P O U L T R Y , E G G S A N D
D A I R Y P R O D U C T S C O M E F R O M A N I M A L S
T H A T A R E G I V E N N O A N T I B I O T I C S O R
G R O W T H H O R M O N E S . ( E N S M I N G E R , 1 9 9 4 ) .
 O R G A N I C F O O D I S P R O D U C E D W I T H O U T
U S I N G M O S T C O N V E N T I O N A L P E S T I C I D E S ,
F E R T I L I Z E R S M A D E W I T H S Y N T H E T I C
I N G R E D I E N T S O R S E W A G E S L U D G E ,
B I O E N G I N E E R I N G O R I O N I Z I N G
R A D I A T I O N . ( E N S M I N G E R , 1 9 9 4 ) .
Continued..
Mold; what is it?
 Molds are microscopic fungi that live on plant or
animal matter. ("United states department," 2010)
 Mold growth is encouraged by warm and humid
conditions. ("Centers for disease," 2010)
Percentages Description
 0-10% covered in mold
 11-30% covered in
mold
 31-50% covered in
mold
 51-75% covered in
mold
 76-100% covered in
mold
 We would observe the
food at the end of each
week and ranked the
amount of mold
growth on the food by
the scale given.
How did we measure the mold?
Data over 3 week Period
THE TABLE USED WILL SHOW EACH
FOOD BOTH ORGANIC AND NON
ORGANIC AND WE WILL WRITE YES
OR NO DEPENDING ON WHETHER
MOLD IS PRESENT ON THE FOOD
EACH WEEK WE WILL RECORD
DATA IN THIS WAY.
Apple
Organic Mold
Growth
Non-organic Mold
Growth
Week 1 NO 0-10% of mold
growth
NO 0-10% of mold
growth
Week 2 NO 0-10% of mold
growth
NO 0-10% of mold
growth
Week 3 NO 0-10% of mold
growth
NO 0-10% of mold
growth
Final
Baby Food
Organic Mold
Growth
Non-organic Mold
Growth
Week 1 NO 0-10% of mold
growth
NO 0-10% of mold
growth
Week 2 YES 0-10% of mold
growth
YES 11-30% of
mold growth
Week 3 YES 11-30% of
mold growth
YES 31-50% of
mold growth
Final
Bread
Organic Mold
Growth
Non-organic Mold
Growth
Week 1 NO 0-10% of mold
growth
NO 0-10% of mold
growth
Week 2 NO 0-10% of mold
growth
NO 0-10% of mold
growth
Week 3 YES 11-30% of
mold growth
YES 0-10% of mold
growth
Final
Potato
Organic Mold
Growth
Non-organic Mold
Growth
Week 1 YES 0-10% of mold
growth
NO 0-10% of mold
growth
Week 2 YES 11-30% of
mold growth
YES 31-50% of
mold growth
Week 3 YES 31-50% of
mold growth
YES 31-50% of
mold growth
Final
Banana
Organic Mold
Growth
Non-organic Mold
Growth
Week 1 NO 0-10% of mold
growth
YES 0-10% of mold
growth
Week 2 YES 0-10% of mold
growth
YES 0-10% of mold
growth
Week 3 YES 11-30% of
mold growth
YES 11-30% of
mold growth
Final
Organic Food Non- Organic Food
Apple
Banana
Bread
Baby Food
Potato
Apple
Banana
Bread
Baby Food
Potato
Mold on Foods
Overall Mold
on Food
• At the end of
three weeks we
found that the
Non-Organic
food did
develop more
mold overall,
just depending
on the food.
Organic Food
Non-Organic
Food
Non-organic: 54% mold growth
overall
Organic: 46 % mold growth
overall
Results
•From our experiment we found that there was not much
of a difference between the mold growth on organic and
non-organic foods.
•On some foods mold grew more and at a faster rate on
organic foods, and some on non-organic foods.
•The baby food and bread were the foods that had different
data at the end of three weeks. Non-organic baby food
grew more mold, but the organic bread grew more mold
than the non-organic bread.
Conclusion
Our original question was, does organic
food mold faster than non-organic
food? From our experiment there is no
inclination that non- organic food or
organic food grows mold faster than the
other.
Continued..
We came to the conclusion that mold
growth does not depend on whether or
not it is non-organic or organic, but the
type of food it is and how much
moisture is in the environment of the
food
•WE WONDERED IF THE AMOUNT OF MOLD GROWTH
WOULD HAVE BEEN AFFECTED IF WE LEFT THE
FOOD OUT IN THE OPEN RATHER THAN SEALED IN A
BAG?
• I WOULD LIKE TO TRY DIFFERENT FOODS, TO SEE
IF I GET THE SAME RESULTS AS WE DID IN THIS
EXPERIMENT.
• I QUESTION THE LEVEL OF ORGANIC FOOD THAT
WE BOUGHT, IF THE FOOD WOULD HAVE BEEN 100%
ORGANIC WOULD WE HAVE DIFFERENT RESULTS?
Next Steps and/or Questions
Claims Evidence
 Being organic or non-
organic does not have
much of an influence
on mold growth,
instead it is the type of
food , and its
environment.
 The potato had more
mold than any other
food, both non-organic
and organic.
 31-50% of mold growth
on both the non-
organic and the organic
potato!
Claims & Evidence
Claims Evidence
 Moisture affects the
growth of mold on
foods.
 The foods that produced
the most moisture in the
baggies, grew more
mold.
 The non-organic baby
food, and both of the
potatoes were the
baggies with the most
moisture and both had
31-50% of mold growth
developed.
Claims & Evidence
•THROUGH OUR EXPERIMENT, WE DID NOT FIND A
DIFFERENCE IN THE AMOUNT OF MOLD GROWTH IN
ORGANIC AND NON-ORGANIC FOODS.
•IN OUR RESEARCH WE FOUND THAT NON -ORGANIC
FOODS SHOULD ACTUALLY STAY FRESHER
BECAUSE OF THE PRESERVATIVES ADDED.
Reflections
•THERE ARE MANY OTHER FACTORS THAT DEPEND
ON HOW HEALTHY THE FOOD IS. (COMPOSITION
OF THE SOIL, THE GENETIC MAKEUP OF THE
PLANT, THE DEGREE OF MATURITY AT HARVEST &
METHODS OF HANDLING AFTER HARVEST.)
•THE RESULTS OF THIS EXPERIMENT COULD VARY
IN RESULTS IF REPEATED DEPENDING ON
WEATHER, SEASON OR OVERALL ENVIRONMENT.
Reflections
THIS EXPERIMENT DID NOT ANSWER OUR
ORIGINAL QUESTION, BUT DID COINCIDE
WITH OUR HYPOTHESIS THAT THERE
WOULD BE LITTLE OR NO DIFFERENCE IN
THE MOLD GROWTH ON THE TWO TYPES
OF FOODS.
Reflections
References
•Murdock, D. H. (Ed.). (2002). Encyclopedia of foods. San Deigo, California:
Academic Press.
•Paul, M.W. (2010, April). Organic foods: understanding organic food labels,
benefits, and claims. Retrieved from
http://www.helpguide.org/life/organic_foods_pesticides_gmo.htm
•Ensminger, A. H. (1994). Organically Grown Food. (1994). Food & nutrition.
Boca Raton, Florida: CRC Press.
•UNITED STATES DEPARTMENT OF AGRICULTURE FOOD
SAFETY AND INSPECTION SERVICE . (2010, MARCH 04).
RETRIEVED FROM
HTTP://WWW.FSIS.USDA.GOV/FACTSHEETS/MOLDS_ON_F
OOD/INDEX
•CENTERS FOR DISEASE CONTROL AND PREVENTION.
(2010, FEBURARY 08). RETRIEVED FROM
HTTP://WWW.CDC.GOV/MOLD/FAQS.HTM
References

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Science powerpoint

  • 1. Science Inquiry Project Teri Cozart Sara Elmore Organic and Non-Organic foods and mold growth
  • 2. The Question: Does organic food mold faster than non-organic food? Does organic apples, bread, bananas, baby food, or potatoes mold faster than non-organic bread, bananas, baby food and potatoes?
  • 3. RECENTLY, WE HAVE BEEN TRYING TO EAT MORE ORGANIC FOODS DUE TO THE FACT WE SUPPORT LOCAL FOOD OWNERS. BUT AS WE WERE BUYING ORGANIC FOODS THAT WE NORMALLY BUY NON-ORGANIC, WE WERE WONDERING IF THE FOOD BEING “MORE HEALTHY” AND ORGANIC IF IT WOULD LAST LONGER AS WELL. Origin of the Question
  • 4. Hypothesis Reason for Hypothesis  We predict that there will be no change in whether or not the food is organic or non- organic, the food will mold at the same rate or equally.  We predict this because even though the organic foods do not have all of the preservatives in it, it is still food and will more than likely spoil and grow mold at the same rate.
  • 5. WE WILL BUY THREE OF EACH ORGANIC AND NON-ORGANIC FOODS (APPLES, BREAD, BANANAS, BABY FOOD, AND POTATOES). Procedures
  • 6. WE WILL CUT EACH ORGANIC AND NON ORGANIC FOOD INTO SLICES AND PLACE THREE SLICES OF EACH IN PLASTIC BAGGIES. Procedures continued..
  • 7. FOR THE BABY FOOD WE WILL PLACE TWO TABLESPOONS INTO A PLASTIC BAGGIE. Continued..
  • 8. WE WILL LABEL EACH FOOD ORGANIC AND NON ORGANIC SO THAT WE WILL NOT GET THE TWO CONFUSED Continued..
  • 9. WE WILL OBSERVE THE CHANGES IN THESE FOODS OVER A PERIOD OF THREE WEEKS AND RECORD DATA AT THE END OF EACH WEEK. 9/24 10/1 10/8 Continued…
  • 10. THE FOOD (BREAD, BANANA, BABY FOOD, APPLE, POTATO) IS GOING TO BE THE INDEPENDENT VARIABLE. Independent Variable
  • 11. WHETHER OR NOT MOLD GREW OR APPEARED ON THE FOOD SERVES AS THE DEPENDENT VARIABLE. Dependant Variable
  • 12. •O R G A N I C F O O D S A R E M A D E I N A W A Y T H A T C O M P L I E S W I T H O R G A N I C S T A N D A R D S S E T B Y N A T I O N A L G O V E R N M E N T S A N D I N T E R N A T I O N A L O R G A N I Z A T I O N S . ( P A U L , 2 0 1 0 ) •I N T H E U N I T E D S T A T E S , O R G A N I C P R O D U C T I O N I S A S Y S T E M T H A T I S M A N A G E D I N A C C O R D A N C E W I T H T H E O R G A N I C F O O D S P R O D U C T I O N A C T ( O F P A ) O F 1 9 9 0 A N D R E G U L A T I O N S I N T I T L E 7 , P A R T 2 0 5 O F T H E C O D E O F F E D E R A L R E G U L A T I O N S T O R E S P O N D T O S I T E - S P E C I F I C C O N D I T I O N S B Y I N T E G R A T I N G C U L T U R A L , B I O L O G I C A L , A N D M E C H A N I C A L P R A C T I C E S T H A T F O S T E R C Y C L I N G O F R E S O U R C E S , P R O M O T E E C O L O G I C A L B A L A N C E , A N D C O N S E R V E B I O D I V E R S I T Y . ( P A U L , 2 0 1 0 ) What is Organic?
  • 13. O R G A N I C M E A T , P O U L T R Y , E G G S A N D D A I R Y P R O D U C T S C O M E F R O M A N I M A L S T H A T A R E G I V E N N O A N T I B I O T I C S O R G R O W T H H O R M O N E S . ( E N S M I N G E R , 1 9 9 4 ) .  O R G A N I C F O O D I S P R O D U C E D W I T H O U T U S I N G M O S T C O N V E N T I O N A L P E S T I C I D E S , F E R T I L I Z E R S M A D E W I T H S Y N T H E T I C I N G R E D I E N T S O R S E W A G E S L U D G E , B I O E N G I N E E R I N G O R I O N I Z I N G R A D I A T I O N . ( E N S M I N G E R , 1 9 9 4 ) . Continued..
  • 14. Mold; what is it?  Molds are microscopic fungi that live on plant or animal matter. ("United states department," 2010)  Mold growth is encouraged by warm and humid conditions. ("Centers for disease," 2010)
  • 15. Percentages Description  0-10% covered in mold  11-30% covered in mold  31-50% covered in mold  51-75% covered in mold  76-100% covered in mold  We would observe the food at the end of each week and ranked the amount of mold growth on the food by the scale given. How did we measure the mold?
  • 16. Data over 3 week Period THE TABLE USED WILL SHOW EACH FOOD BOTH ORGANIC AND NON ORGANIC AND WE WILL WRITE YES OR NO DEPENDING ON WHETHER MOLD IS PRESENT ON THE FOOD EACH WEEK WE WILL RECORD DATA IN THIS WAY.
  • 17. Apple Organic Mold Growth Non-organic Mold Growth Week 1 NO 0-10% of mold growth NO 0-10% of mold growth Week 2 NO 0-10% of mold growth NO 0-10% of mold growth Week 3 NO 0-10% of mold growth NO 0-10% of mold growth Final
  • 18. Baby Food Organic Mold Growth Non-organic Mold Growth Week 1 NO 0-10% of mold growth NO 0-10% of mold growth Week 2 YES 0-10% of mold growth YES 11-30% of mold growth Week 3 YES 11-30% of mold growth YES 31-50% of mold growth Final
  • 19. Bread Organic Mold Growth Non-organic Mold Growth Week 1 NO 0-10% of mold growth NO 0-10% of mold growth Week 2 NO 0-10% of mold growth NO 0-10% of mold growth Week 3 YES 11-30% of mold growth YES 0-10% of mold growth Final
  • 20. Potato Organic Mold Growth Non-organic Mold Growth Week 1 YES 0-10% of mold growth NO 0-10% of mold growth Week 2 YES 11-30% of mold growth YES 31-50% of mold growth Week 3 YES 31-50% of mold growth YES 31-50% of mold growth Final
  • 21. Banana Organic Mold Growth Non-organic Mold Growth Week 1 NO 0-10% of mold growth YES 0-10% of mold growth Week 2 YES 0-10% of mold growth YES 0-10% of mold growth Week 3 YES 11-30% of mold growth YES 11-30% of mold growth Final
  • 22. Organic Food Non- Organic Food Apple Banana Bread Baby Food Potato Apple Banana Bread Baby Food Potato Mold on Foods
  • 23. Overall Mold on Food • At the end of three weeks we found that the Non-Organic food did develop more mold overall, just depending on the food. Organic Food Non-Organic Food Non-organic: 54% mold growth overall Organic: 46 % mold growth overall
  • 24. Results •From our experiment we found that there was not much of a difference between the mold growth on organic and non-organic foods. •On some foods mold grew more and at a faster rate on organic foods, and some on non-organic foods. •The baby food and bread were the foods that had different data at the end of three weeks. Non-organic baby food grew more mold, but the organic bread grew more mold than the non-organic bread.
  • 25. Conclusion Our original question was, does organic food mold faster than non-organic food? From our experiment there is no inclination that non- organic food or organic food grows mold faster than the other.
  • 26. Continued.. We came to the conclusion that mold growth does not depend on whether or not it is non-organic or organic, but the type of food it is and how much moisture is in the environment of the food
  • 27. •WE WONDERED IF THE AMOUNT OF MOLD GROWTH WOULD HAVE BEEN AFFECTED IF WE LEFT THE FOOD OUT IN THE OPEN RATHER THAN SEALED IN A BAG? • I WOULD LIKE TO TRY DIFFERENT FOODS, TO SEE IF I GET THE SAME RESULTS AS WE DID IN THIS EXPERIMENT. • I QUESTION THE LEVEL OF ORGANIC FOOD THAT WE BOUGHT, IF THE FOOD WOULD HAVE BEEN 100% ORGANIC WOULD WE HAVE DIFFERENT RESULTS? Next Steps and/or Questions
  • 28. Claims Evidence  Being organic or non- organic does not have much of an influence on mold growth, instead it is the type of food , and its environment.  The potato had more mold than any other food, both non-organic and organic.  31-50% of mold growth on both the non- organic and the organic potato! Claims & Evidence
  • 29. Claims Evidence  Moisture affects the growth of mold on foods.  The foods that produced the most moisture in the baggies, grew more mold.  The non-organic baby food, and both of the potatoes were the baggies with the most moisture and both had 31-50% of mold growth developed. Claims & Evidence
  • 30. •THROUGH OUR EXPERIMENT, WE DID NOT FIND A DIFFERENCE IN THE AMOUNT OF MOLD GROWTH IN ORGANIC AND NON-ORGANIC FOODS. •IN OUR RESEARCH WE FOUND THAT NON -ORGANIC FOODS SHOULD ACTUALLY STAY FRESHER BECAUSE OF THE PRESERVATIVES ADDED. Reflections
  • 31. •THERE ARE MANY OTHER FACTORS THAT DEPEND ON HOW HEALTHY THE FOOD IS. (COMPOSITION OF THE SOIL, THE GENETIC MAKEUP OF THE PLANT, THE DEGREE OF MATURITY AT HARVEST & METHODS OF HANDLING AFTER HARVEST.) •THE RESULTS OF THIS EXPERIMENT COULD VARY IN RESULTS IF REPEATED DEPENDING ON WEATHER, SEASON OR OVERALL ENVIRONMENT. Reflections
  • 32. THIS EXPERIMENT DID NOT ANSWER OUR ORIGINAL QUESTION, BUT DID COINCIDE WITH OUR HYPOTHESIS THAT THERE WOULD BE LITTLE OR NO DIFFERENCE IN THE MOLD GROWTH ON THE TWO TYPES OF FOODS. Reflections
  • 33. References •Murdock, D. H. (Ed.). (2002). Encyclopedia of foods. San Deigo, California: Academic Press. •Paul, M.W. (2010, April). Organic foods: understanding organic food labels, benefits, and claims. Retrieved from http://www.helpguide.org/life/organic_foods_pesticides_gmo.htm •Ensminger, A. H. (1994). Organically Grown Food. (1994). Food & nutrition. Boca Raton, Florida: CRC Press.
  • 34. •UNITED STATES DEPARTMENT OF AGRICULTURE FOOD SAFETY AND INSPECTION SERVICE . (2010, MARCH 04). RETRIEVED FROM HTTP://WWW.FSIS.USDA.GOV/FACTSHEETS/MOLDS_ON_F OOD/INDEX •CENTERS FOR DISEASE CONTROL AND PREVENTION. (2010, FEBURARY 08). RETRIEVED FROM HTTP://WWW.CDC.GOV/MOLD/FAQS.HTM References