Abstract:
The proximate composition, selected water - soluble vitamins, minerals, and dietary
fiber contents of Garcinia prainiana fruit were investigated in order to promote the
wider use of this fruit. The Garcinia prainiana fruit contained the highest amount of
moisture (86.67 %), followed by carbohydrate (6.74 %), crude fiber (3.00 %), and
crude protein (2.58 %), but the lowest amount of ash and crude fat(< 0.60 %), which
were carried out based on AOAC standard methods. Besides, thiamine and riboflavin
of Garcinia prainiana fruit were analyzed by spectrofluorometer, and were recorded
to be 4.72, and 3.29 mg/ 100 g respectively, whereas the nicotinamide, pantothenic
acid, and pyridoxine were determined by high performance liquid chromatography,
and was determined to be 0.44, 0.32, and 2.98 mg/ 100 g, respectively. The Garcinia
prainiana fruit pulp was orange in colour and had considerably high ascorbic acid
content (11.04 mg / I 00 g), which was analyzed by 2, 6 - dichloroindophenol
titrimetric method. However, the Garcinia prainiana fruit recorded had fairly low
amount in selected minerals after carried out by atomic absorption spectrophotometer.
Potassium (18.28 mg / 100 g) was observed to be the most abundant mineral in
Garciniaprainiana fruit, followed by magnesium (4.16 mg I 100 g), calcium (2.18 mg
/ 100 g), and manganese (2.05 mg/ 100 g), but fairly low amounts in sodium, copper,
zinc, and iron ( < 1.00 mg / 100g). In addition, the total dietary fiber content of
Garcinia prainiana fruit was analyzed to be 3.02 %, whereas the insoluble and soluble
dietary fiber constituted 64.24 %, and 35% of total dietary fiber, which were
determined by enzymatic - gravimetric method. In conclusion, the Garcinia
prainiana fruit had considerable amount of proximate composition, and fairly rich in
water - soluble vitamins, especially the vitamin B complex, but it was found to be
relatively poor in minerals and dietary fiber contents.