Determination Of Nitrate, Nitrite, N-Nitrosamine, Cyanide And Ascorbic Acid Contents Of Fruit Juices Marketed In Eastern Nigeria.
ABSTRACT
The nitrate, nitrite, N-nitrosamine,
ascorbic acid content as well as cyanide levels of eight brands of fruit juices
marketed at retail outlets and consumed in Eastern Nigeria were determined.
Nitrite was determined by spectrophotometric method, Nitrate after reduction to
nitrite with cadmium column and nitrosamine after decomposition to nitrite by
ultraviolet irradiation. Ascorbic acid was determined by titrimetric method
while cyanide was determined by enzymatic method. The values of nitrate and
nitrite concentration in mg/I was 2.29-16.50 and 5.50-12.03 respectively while
nitrosamine detected in four out of the eight samples analyzed was at a
concentration of 2.75- 45.7omglL. Ascorbic acid concentration of the samples
varied from 100-400mg/L while no detectable amount cyanide was found. The
result of this work is discussed from nutritional and toxicological points of
view.
0.0
NWAOGBO, C (2021). Determination Of Nitrate, Nitrite, N-Nitrosamine, Cyanide And Ascorbic Acid Contents Of Fruit Juices Marketed In Eastern Nigeria. . Repository.mouau.edu.ng: Retrieved Nov 24, 2024, from https://repository.mouau.edu.ng/work/view/determination-of-nitrate-nitrite-n-nitrosamine-cyanide-and-ascorbic-acid-contents-of-fruit-juices-marketed-in-eastern-nigeria-7-2
CONSTANCE, NWAOGBO. "Determination Of Nitrate, Nitrite, N-Nitrosamine, Cyanide And Ascorbic Acid Contents Of Fruit Juices Marketed In Eastern Nigeria. " Repository.mouau.edu.ng. Repository.mouau.edu.ng, 23 Jul. 2021, https://repository.mouau.edu.ng/work/view/determination-of-nitrate-nitrite-n-nitrosamine-cyanide-and-ascorbic-acid-contents-of-fruit-juices-marketed-in-eastern-nigeria-7-2. Accessed 24 Nov. 2024.
CONSTANCE, NWAOGBO. "Determination Of Nitrate, Nitrite, N-Nitrosamine, Cyanide And Ascorbic Acid Contents Of Fruit Juices Marketed In Eastern Nigeria. ". Repository.mouau.edu.ng, Repository.mouau.edu.ng, 23 Jul. 2021. Web. 24 Nov. 2024. < https://repository.mouau.edu.ng/work/view/determination-of-nitrate-nitrite-n-nitrosamine-cyanide-and-ascorbic-acid-contents-of-fruit-juices-marketed-in-eastern-nigeria-7-2 >.
CONSTANCE, NWAOGBO. "Determination Of Nitrate, Nitrite, N-Nitrosamine, Cyanide And Ascorbic Acid Contents Of Fruit Juices Marketed In Eastern Nigeria. " Repository.mouau.edu.ng (2021). Accessed 24 Nov. 2024. https://repository.mouau.edu.ng/work/view/determination-of-nitrate-nitrite-n-nitrosamine-cyanide-and-ascorbic-acid-contents-of-fruit-juices-marketed-in-eastern-nigeria-7-2