Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2007 by Universidad Católica de Valparaíso -- Chile
Vol. 9 No. 3, Issue of April 15, 2006
 


Table 1. Phenolic contents in different extracts (A, B and C) from apple skin.

Apple variety

Extract

Phenolic compounds

Totals

Flavonoids

Non-Flavonoids

Granny Smith

A

6.80* 0.15

6.69 0.50

0.11 0.09

B

5.08 0.08

4.96 0.50

0.12 0.04

C

3.02 0.08

2.89 0.25

0.13 0.10

Royal Gala

A

3.49 0.14

3.27 0.30

0.22 0.02

B

1.99 0.08

1.78 0.15

0.21 0.05

C

2.60 0.13

2.31 0.18

0.29 0.16

* mgGAE/g, A: acetone: water: acetic acid, B: ethyl acetate: methanol: water, C: ethanol: water.

Supported by UNESCO / MIRCEN network