Structural and functional investigations of wall material extracted from banana peels

Figures & data

Table 1. Proximate composition and dietary fiber profile of banana peel powder, n = 3.

Proximate composition	Mean values (%)
Moisture (peels)	60.73 ± 0.85
Moisture (Grounded peels)	15.77 ± 0.33
Crude Fat	3.94 ± 0.10
Ash content	9.76 ± 1.02
Crude Fiber	14.93 ± 0.15
Crude Protein	6.06 ± 0.15
Nitrogen Free Extract	48.13 ± 0.32
Total dietary fibers	45.3 ± 0.45
Soluble dietary fibers	15.63 ± 0.25
Insoluble dietary fibers	34.23 ± 0.30

Table 2. Yield of Enzymatic and Alkali Extraction Method, n = 3.

Monosaccharides	Percentage composition (%)
Xyl	10.02 ± 0.35
Ara	3.21 ± 0.37
Gal	1.31 ± 0.07
Mal	4.60 ± 0.20
Glu	11.14 ± 0.44
Yield (g/100 g)	16.8 ± 0.36

Table 3. Antioxidant Activity of Banana Peel Heteroxylan, (n = 3).

Antioxidant Assay	Mean ± S.D
TPC (mg GAE/g DM)	19.83±1.10
TFC (mg QE/g DM)	22.73±0.90
DPPH (mg TE/g DM)	40.73±0.80
FRAP (mg TE/g DM)	39.63±0.73
ABTS (mg TE/g DM)	83.43±0.70

Figure 1. FTIR spectra of Alkali Extracted Heteroxylans.

Figure 2. X-Ray Diffractograms of Alkali Extracted Heteroxylan.