Abstract
Caffeine is a stimulant drug and beneficial to most human being when
taken in at low-to-moderate amount, whereas at high amount it may
have negative impact on health. Recently the caffeine is being added
by companies in energy drinks and other beverages. The aim of this
work was to determine the caffeine concentration, pH and acidity in a
few energy drinks brands namely sting, booster six B, gourmet spark
and powerful locally available in Lahore, Pakistan, and to compare the
results with the labeled caffeine concentration and FDA recommended
concentration, which is maximum 400 mg/day. The maximum amount
of caffeine determined in Gourmet spark was 9.89 mg /100 ml,
whereas powerful brand had minimum caffeine amount (9.34 mg/100
ml).pH were measured by pH meter at 20 oC and were found 3.47,
3.37, 3.20 and 3.57 for sting, booster six B, gourmet spark and
powerful, respectively. The %age of acidity were found to be 1.267,
1.670, 1.868 and 1.785 for sting, booster six B, gourmet spark and
powerful, respectively. The results showed that caffeine concentration
would remain below moderate level if anybody took two serving size
packs of anyone selected sample and consequently would have no
negative impact on health.
MUHAMMAD ASLAM, MISBAH IRSHAD, AMINA ASGHAR, ASAD GULZAR, ZAHRA NOREEN, ABRAR HUSSAIN, SHAHID MASOOD, MUHAMMAD KAMRAN SHAHI, RASHAD MEHMOOD, KAYNAT SALEEM, SAJID IQBA. (2019) Caffeine concentrations in locally availableenergy drinks of Lahore, Pakistan, Biologia – Journal of Biological Society of Pakistan, Volume 65 (II), Issue 2.
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