Extended Essay 2009

Extended Essay 2009-49
As this experiment was investigated the level of vitamin C in a short period of time.

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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.

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.

Followed by the Orange juice from concentrate with a range of 27 - 30 drops and the lowest vitamin C content orange juice is the pasteurized one.

This is due to the presence of pulp in the freshly squeezed orange juice, which is the major source of vitamin C in orange.Like the theory of knowledge (TOK essay and presentation), and participation in creativity, action, service activities, the extended essay is a mandatory prerequisite for the award of the IB Diploma.However, students taking the IB Certificate program do not have the Extended Essay in their program.- There are juices with added supplement e.g Antioxidant, vitamin D that have not been explored.- With the constructed survey, it can be done within a bigger range of people and more choice of orange juice must be available for people to choose from.Choice of the most popular orange juice surveyed in this research may due to as a result of mass advertisement by the juice company.It is possible that people are more familiar with a certain orange juice brand; therefore it is ranked as the most desirable brands consume.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.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.


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