SUNFLOWER LEAVES PROTEIN CONCENTRATE AND RESIDUE WITH THEIR NUTRITIONAL AND ANTI-NUTRITIONAL CONTENTS

Abstract

ABSTRACT
Sunflower is an annual dicotyledonous plant that belongs to the family Asteraceae. It roots, stems, leaves and
seeds contained phenols, flavonoids and alkaloids, the florets contain fibre and phenolic acid while the petals
contains triterpene glycosides which had anti-inflammatory activities. The sunflower leaves were collected,
washed, and blended to produce the protein concentrates and residue, which were analyzed in the laboratory for
nutritional and anti-nutritional profiles. The result of the analysis revealed that 38.76% CP was the highest value
in SLPC and 26.72% was the lowest in SLR. SLPC was higher in terms of TEAA, TNEAA and TEAA/CP with the
values 46.08mg/100g, 73.09mg/100g and 119.00mg/100g respectively. The most abundant mineral in SLPC was
calcium (437.73mg/100g) and potassium (385.44mg/100g) in SLR, and copper (0.43mg/100g and 0.41mg/100g)
was the least abundant in both the SLPC and SLR. Oleic was the highest fatty acid in both the SLPC and SLR with
the values 61.07% and 59.21% and the lowest was arachidic (1.15 and 0.91%) respectively with significant
difference (p<0.05). The highest anti-nutritional factor was saponins with values (11.03 and 14.23) while the
lowest was flavonoids with the values (6.12 and 6.98) in both the SLPC and SLR respectively with significant
difference at p<0.05. Sunflower leaves enough nutritional components that can be in the diets of humans and
animals.