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Table 6 Phenolic components of aqueous extract of African star apple fruit parts

From: Starch composition, glycemic indices, antioxidant properties and carbohydrate hydrolyzing enzymes activities of African star apple fruit parts

Compounds

African star apple fruit parts

  

Pulp mg/g

Cotyledon mg/g

Seed coat mg/g

Pulp coat mg/g

Beta-amyrin acetate

2.42 ± 0.03a

4.24 ± 0.01a

2.83 ± 0.02a

2.66 ± 0.01a

Eleagnine

0.86 ± 0.01b

0.34 ± 0.03b

1.46 ± 0.01a

1.31 ± 0.01a

Epicatechin

0.98 ± 0.02b

1.39 ± 0.02c

1.27 ± 0.02b

1.24 ± 0.03a

Epigallocatechin

0.78 ± 0.01b

0.34 ± 0.01b

0.97 ± 0.02c

0.87 ± 0.02b

Gentisic Acid

0.67 ± 0.02b

0.44 ± 0.02c

0.21 ± 0.01c

Myricetin rhamnoside

0.50 ± 0.02c

0.78 ± 0.02c

0.64 ± 0.02b

Procyanidin B5

0.54 ± 0.01c

0.54 ± 0.01b

Skatole

0.84 ± 0.01b

0.32 ± 0.01b

1.59 ± 0.02b

1.49 ± 0.02a

Stigmasterol

3.74 ± 0.02a

2.47 ± 0.02a

5.82 ± 0.02d

5.25 ± 0.02d

Tetrahydro-2-methylharman

1.05 ± 0.01a

0.35 ± 0.01b

1.66 ± 0.03a

1.59 ± 0.03a

  1. Results are expressed as mean ± standard deviations (SD) of three determinations. Averages followed by different letters differ by Tukey test at p < 0.05