Essay about Mass Concentration Of Vitamin C Than Coles Orange Juice

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Discussion
According to the hypothesis, the fresh Navel orange juice was expected to have a higher concentration of vitamin C than Coles orange juice However, according to the results, as seen in Graph 2, Coles Orange juice had higher concentration of vitamin C compared to the Fresh Navel orange juice, and contradicted the hypothesis.
From Graph 2, at 8oC, Coles orange juice had 19.7% higher concentration of vitamin C than fresh navel orange juice, because fresh juice had 15.62mg/100mL, whereas artificial juice had 19.46mg/100mL, contradicting the hypothesis. At 19oC, Coles orange juice had 14% higher concentration of vitamin C than fresh navel orange juice, because fresh juice had 15.30mg/100mL, while artificial juice had 17.80mg/100mL, also contradicting the hypothesis. However, at 33oC, Fresh navel orange juice had 5.3% higher concentration of vitamin C than Coles orange juice because fresh juice had 17.83mg/100mL, while artificial juice had 16.93mg/100mL. However, as seen in Graph 2, because the vitamin C concentration of fresh juice at 33oC does not follow the trend of decrease in vitamin C as temperature increases, it was considered as an anomaly and was not considered as part of an actual result.
According to University of Santiago de Compostela, the levels of vitamin C in many fruit juices, including orange juice, was far higher than those indicated labels by the manufacturers. This is because the commercial juices are designed to appeal to the taste preferences of…

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