Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 23.19 0.00 28.65 10.70
mol/100 g 3.80e-05 0.00 4.69e-05 1.75e-05

Values calculated by aggregating data from 6 different samples from 2 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Quercetin mg/100 g FW 11.48 0.00 14.18 5.30
mol/100 g 1.88e-05 0.00 2.32e-05 8.68e-06

Original Content Values Used to Produce Means

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)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
28.65 mg/100 g FW Asparagus spears - Asparagus officinalis - Control for chopping no 4
27.41 mg/100 g FW Asparagus spears - Asparagus officinalis - Control for boiling no 4
Maeda T., Kakuta H., Sonoda T., Motoki S., Ueno R., Suzuki T., Oosawa K. (2005) Antioxidation capacities of extracts from green, purple, and white asparagus spears related to polyphenol concentration. HortScience 40:1221-1224
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
14.70 mg/100 g FW Asparagus - Green - Welcome no 1
15.80 mg/100 g FW Asparagus - Green - Gijnlim no 1
23.60 mg/100 g FW Asparagus - Purple - Purple passion no 1
0.00 mg/100 g FW Asparagus - White - Gijnlim no 1