Makris D.P., Rossiter J.T. (2001) Domestic processing of onion bulbs (Allium cepa) and asparagus spears (Asparagus officinalis): effect on flavonol content and antioxidant status. Journal of Agricultural and Food Chemistry 49:3216-3222 PubMed (11453754)

Abbreviation: MAKRIS 2001

Pubmed ID: 11453754

Food Composition

This publication was used to obtain 24 food polyphenol content values.

Original Content Value Original Food Description Commercial Origin Number of Samples Analyzed
31.57 mg/100 g FW Orange onion bulb - Allium cepa - Skinned - Control for chopping no 4
17.04 mg/100 g FW Orange onion bulb - Allium cepa - Skinned - Control for chopping no 4
0.38 mg/100 g FW Orange onion bulb - Allium cepa - Skinned - Control for chopping no 4
30.83 mg/100 g FW Orange onion bulb - Allium cepa - Skinned - Chopped no 4
17.17 mg/100 g FW Orange onion bulb - Allium cepa - Skinned - Chopped no 4
0.39 mg/100 g FW Orange onion bulb - Allium cepa - Skinned - Chopped no 4
30.20 mg/100 g FW Orange onion bulb - Allium cepa - Skinned - Control for boiling no 4
15.79 mg/100 g FW Orange onion bulb - Allium cepa - Skinned - Control for boiling no 4
0.14 mg/100 g FW Orange onion bulb - Allium cepa - Skinned - Control for boiling no 4
27.66 mg/100 g FW Orange onion bulb - Allium cepa - Skinned - Boiled no 4
9.84 mg/100 g FW Orange onion bulb - Allium cepa - Skinned - Boiled no 4
0.08 mg/100 g FW Orange onion bulb - Allium cepa - Skinned - Boiled no 4
28.65 mg/100 g FW Asparagus spears - Asparagus officinalis - Control for chopping no 4
0.00 mg/100 g FW Asparagus spears - Asparagus officinalis - Control for chopping no 4
0.00 mg/100 g FW Asparagus spears - Asparagus officinalis - Control for chopping no 4
23.36 mg/100 g FW Asparagus spears - Asparagus officinalis - Chopped no 4
0.00 mg/100 g FW Asparagus spears - Asparagus officinalis - Chopped no 4
0.00 mg/100 g FW Asparagus spears - Asparagus officinalis - Chopped no 4
27.41 mg/100 g FW Asparagus spears - Asparagus officinalis - Control for boiling no 4
0.00 mg/100 g FW Asparagus spears - Asparagus officinalis - Control for boiling no 4
0.00 mg/100 g FW Asparagus spears - Asparagus officinalis - Control for boiling no 4
15.37 mg/100 g FW Asparagus spears - Asparagus officinalis - Boiled no 4
0.00 mg/100 g FW Asparagus spears - Asparagus officinalis - Boiled no 4
0.00 mg/100 g FW Asparagus spears - Asparagus officinalis - Boiled no 4

Food Processing

This publication was used to obtain 3 retention factor values.

Retention Factor Food Before Processing Food After Processing Content Before Processing Content After Processing Units
0.54 Orange onion bulb - Allium cepa - Skinned - Control for boiling Orange onion bulb - Allium cepa - Skinned - Boiled 15.79 9.84 mg/100 g fresh weight
0.79 Orange onion bulb - Allium cepa - Skinned - Control for boiling Orange onion bulb - Allium cepa - Skinned - Boiled 30.2 27.66 mg/100 g fresh weight
0.56 Asparagus spears - Asparagus officinalis - Control for boiling Asparagus spears - Asparagus officinalis - Boiled 27.41 15.37 mg/100 g fresh weight