Determination of Vitamin C Red Guava (Psidium Guajava Linn) Fruit Juice, with Variation of Beverage Packaging

Novriyanti Lubis; Wulan Septiani; Muhammad Nur Abdillah; Riska Prasetiawati; Effan Cahyati Junaedi

doi:10.24198/ijpst.v11i2.42420

Determination of Vitamin C Red Guava (Psidium Guajava Linn) Fruit Juice, with Variation of Beverage Packaging

Novriyanti Lubis, Wulan Septiani, Muhammad Nur Abdillah, Riska Prasetiawati, Effan Cahyati Junaedi

Abstrak

The quantitative analysis of vitamin C content from variations beverage packaging containing red guava (Psidium Guajava Linn) fruit juice had been done. In this study, 4 samples were obtained from the shopping center in Garut and Bandung City. Samples were tested quantitatively by 2,6-dichlorophenol indophenol titration method. The results showed different concentration of 4 samples consist of tetra pack packaging, tin, glass, and plastic bottles, such as; 17.99 mg/100 gr, 31.46 mg/100 gr, 13.00 mg/100 gr, and 12.01 mg/100 gr, respectively. These result indicated that the packaging variations affected to the level of vitamin C content which was characterized by decreased levels of vitamin C. It means the levels of vitamin C from this research were not in accordance to nutritional value information on the packaging. Tetra pack packaging was the most stable compared to other packaging even though it had a shorter expired date than with other.

Kata Kunci

Red guava, titration 2,6-dichlorophenol indophenol, variations of beverage packaging, vitamin C

Teks Lengkap:

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Referensi

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DOI: https://doi.org/10.24198/ijpst.v11i2.42420