Journal of Biology and Today's World

All submissions of the EM system will be redirected to Online Manuscript Submission System. Authors are requested to submit articles directly to Online Manuscript Submission System of respective journal.

"Quantitative evaluation of vitamin C in industrial lemon juice by titration method"


Author(s): Mina Babashahi-Kouhanestani,, Musa Salehi, Seyed Mohammad Mazloomi, Amir Almasi-Hashyani

"One of the most important micronutrients of lemon juice is vitamin C. Vitamin C is a sensitive antioxidant and heat, light and oxygen are included as important factors to reduce the amount of this vitamin. This study designed to evaluate vitamin C in industrial lemon juice quantitatively. The present cross- sectional study was conducted on 50 bottles of different types of Shiraz industrial lemon juice. Vitamin C levels were measured through iodine titration method. Each measurement was repeated 2 times. Then Data were statistically analyzed by using SPSS software. The vitamin C of samples has been reported 18.92±6.66 (mg/100ml). Maximum and minimum vitamin C were 6.01 and 34.08 (mg/100ml) respectively. By using independent sample t-test, a comparison of the mean vitamin C of industrial lemon juice and The mean vitamin C of fresh lemon (42 mg/100ml) show that vitamin C of industrial lemon juice is less than fresh lemon, significantly (P<0.05). By applying linear regression test determined that a significant relationship exists between the amount of vitamin C in the lemon juice and duration of post-production (p-value = 0.021). This study showed that content of vitamin C in industrial lemon juice was lower than the mean value of vitamin C in fresh lemon juice significantly and the amount of vitamin C in the lemon juice and the period after production is a significant association and with increased storage time, the amount of vitamin C reduced."

Share this article

Reach Us

Avenue Roger Vandendriessche 18,
1150 Brussels, Belgium
Toll Free +32 (800) 709-48

Contact Us

E-Mail: [email protected]

© Lexispublisher 2020 | Creative Commons License Open Access Journals by Lexispublisher is licensed under a Creative Commons Attritbution 4.0 International License