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- Title
AMINO ACID PROFILES OF FIVE COMMONLY CONSUMED INSECTS IN SOUTHWESTERN NIGERIA.
- Authors
Olaleye, Abdul Ademola
- Abstract
The amino acid (AA) content of Apis mellifera (AB), Macrotermes bellicosusI (WT), Imbrasia belina (MoW), Oryctes boas larva (SB), and Sitophilus zeamais (MaW) were investigated. The total amino acid values were high at (g/100g crude protein, cp): A. mellifera (89.6), M. bellicosus (89.3), I belina (89.7), O boas larva (95.6) and S. zeamais (89.0). Glutamic acid (Glu) had the highest concentration in all the samples ranging from 12.3-15.0 g/100g crude protein, cp. The least concentrated amino acid was tryptophan (Trp) (1.22-1.33 g/100g cp) across board. Leucine (7.74-8.42 g/100g cp) was the most abundant essential amino acid (EAA) in all. The total essential amino acid (TEAA) (with His) ranged between 44.9-46.0 g/100g cp. Leu/Ile range was 1.09-1.47. P-PER1 and P-PER2 ranges were 2.73-2.99 and 2.65-2.96 respectively. The essential amino acid index (EAAI) range was 36.1-38.7 while the biological value (BV) range was 27.6-30.5. The isoelectric point (pI) range was 5.15-5.54, showing the samples to be in acidic medium of the pH range. In amino acid scores based on whole hen's egg, serine (Ser) had the least scores range (0.500-0.613). On provisional amino acid scoring pattern, the limiting AA was threonine (Thr) in A. mellifera (0.864), M. bellicosus (0.820) and S. zeamais (0.920); lysine (Lys) in I. belina (0.952); valine (Val) in O. boas larva (0.848). On pre-school child requirements, Lys (0.903-0.941) was limiting except in O. boas where all the parameters were higher than 100% requirement. Generally, no significant difference existed among the samples in most of the parameters determined.
- Publication
Carpathian Journal of Food Science & Technology, 2020, Vol 12, Issue 5, p42
- ISSN
2066-6845
- Publication type
Academic Journal
- DOI
10.34302/crpjfst/2020.12.5.3