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The IBO recommends that the supervisor spend approximately two to three hours in total with the candidate discussing the EE.
However, the topic must not be too broad or too narrow as to make it difficult to write 4,000 words, and the general subject must be taught under the IB diploma program by one of the members of staff at the high school (so that there is someone with expertise able to help).
The subject (not topic) on which the extended essay is written is recommended to be one that the candidate has formally studied, but this is not required.
As this experiment was investigated the level of vitamin C in a short period of time.
The level of vitamin C content over a period of time has to be explored further in the next section. Conclusion Juice is pasteurized for less time for to acquire a shorter shelf life so consumers will buy the juice more frequently as the expirary date is reach faster.
The results are as follow: Rank Orange juice brands Type Preservative used Sugar (%) Time before expirary date (days) Energy (k J/100 m L) Price ($AUD/2L) 1 Berri Australian Fresh Pasteurized none 8.0 28 160 4.99 2 Original juice Company black label Pasteurized none 8.0 30 170 4.79 3 Daily juice company From concentrate 202, 211 8.0 45 160 4.99 4 Just Delicious From concentrate 202 7.0 45 140 4.99 5 Golden circle premium chilled juice Pasteurized none 7.5 25 170 3.98 6 Grove juice of orange Pasteurized 202, 211 8.0 28 140 3.95 7 Macquarie Valley From concentrate 202 6.0 60 140 4.89 8 Coles Farmland Pasteurized none 8.0 45 160 3.99 9 Extra Juice From concentrate 202 8.0 50 160 3.99 10 Fruitopia classic premium From concentrate 202 8.0 37 180 4.
The extended essay (EE) is a research paper of up to 4000 words for the International Baccalaureate (IB), giving students an opportunity to conduct independent research or investigation on a topic that interests them.Survey and Experiment on the Vitamin C content were constructed for the comparison to be clearer as it shows consumers' behavior and preference for different types of juices.Moreover, there was identification of losses of nutritional value during the production and indication of the impacts additives have on human bodies.Also, the EE may not be written across different subjects – it must concentrate on one subject only, unless the student is writing under the World Studies topic.However, some subjects include several disciplines, with an emphasis towards one.Benefits of fresh orange juice and the impacts of the both processed orange juice towards human health were explored in more depth.Many aspects of the characteristics of the orange juice were taken into account and enable the comparison to be more efficient.On the other hand, it is best to avoid consuming orange juice from concentrate. Middle Pour approximately 15 m L of blue vitamin C indicator into the conical flask 2.Use the pipette to add fresh orange juice drop by drop until the colour of the indicator turns from blue to colourless. The flask must be frequently swirled after each drop added. Observe and count how many drop of orange juice it takes, for the colour of indicators to change. Repeat the procedures with other two types and brands of orange juice. of Drops of orange juice Types/brands of orange juice Trial 1 Trial 2 Trial 3 Average Freshly squeezed California Navel orange 20 22 24 22 Pasteurized Original Juice Company 36 33 33 34 Golden Circle Premium 35 32 31 33 Berri Australian Fresh 36 32 33 34 From Concentrate Daily Juice company 28 30 33 30 Just Delicious 26 27 29 27 Extra juice 27 26 28 27 Discussion: As the result clearly shown, the freshly squeezed has the highest vitamin C content among the three types of orange juice with 22 drops on average.People mostly do not know the nutritional aspect of juice or either which one is a better juice to consume for health.They are more attracted to the desirable taste of the orange juice than the health aspect, especially for children.