ABSTRACT
Instant zobo was produced from H. sabdariffa
calyces (roselle) which were spiced with ginger and cloves, packaged with
porous paper packs and heat-sealed for easy usage. for easy usage. Analysis was
carried out on them. These analysis includes proximate analysis which showed
high ash content of 12.10, high crude protein content of 3.06, moisture 18.75,
fat 2.05, carbohydrate 81.77 and calories (food energy) 356.77 all in percentage.
Physiochemical parameters checked includes colour absorbance which showed a
slight deterioration which can be negligible, pH which continued increasing at
a slow pace from 3.56 — 3.86, titratable acidity which showed a downward trend
and the total soluble solids and refractive index (density) which continued
increasing gradually throughout the storage period. The colour determination
analysis done using a uv spectrophotometer weekly showed that the instant zobo
samples has a high intensity of radiation which caused an increase in the
colour concentration as absorbance increases also. This resulted to a linear
interrelationship between the absorbance and concentration of the colour of the
instant zobo sample. The statistical analysis of the organoleptic properties of
the packaged instant zobo samples dipped in cold water, dipped in hot water at
100°c and the control which was made from boiled roselle calyces with ginger
and cloves showed significant differences at 0.05 level of significance within
each attributes checked which are flavour, colour, taste, appearance (residue
or no residue) and general acceptance.
AGUWA, I (2021). Production And Evaluation Of Instant Zobo From Hibisicus Sabdariffa (Roselle) Calyx. Repository.mouau.edu.ng: Retrieved Nov 24, 2024, from https://repository.mouau.edu.ng/work/view/production-and-evaluation-of-instant-zobo-from-hibisicus-sabdariffa-roselle-calyx-7-2
IJEOMA, AGUWA. "Production And Evaluation Of Instant Zobo From Hibisicus Sabdariffa (Roselle) Calyx" Repository.mouau.edu.ng. Repository.mouau.edu.ng, 12 Aug. 2021, https://repository.mouau.edu.ng/work/view/production-and-evaluation-of-instant-zobo-from-hibisicus-sabdariffa-roselle-calyx-7-2. Accessed 24 Nov. 2024.
IJEOMA, AGUWA. "Production And Evaluation Of Instant Zobo From Hibisicus Sabdariffa (Roselle) Calyx". Repository.mouau.edu.ng, Repository.mouau.edu.ng, 12 Aug. 2021. Web. 24 Nov. 2024. < https://repository.mouau.edu.ng/work/view/production-and-evaluation-of-instant-zobo-from-hibisicus-sabdariffa-roselle-calyx-7-2 >.
IJEOMA, AGUWA. "Production And Evaluation Of Instant Zobo From Hibisicus Sabdariffa (Roselle) Calyx" Repository.mouau.edu.ng (2021). Accessed 24 Nov. 2024. https://repository.mouau.edu.ng/work/view/production-and-evaluation-of-instant-zobo-from-hibisicus-sabdariffa-roselle-calyx-7-2