Calculated Mean Content Values

Units Average Min Max Standard Deviation
mg/100 g FW 0.33 0.00 0.93 0.45
mol/100 g 1.83e-06 0.00 5.16e-06 2.52e-06

Values calculated by aggregating data from 6 different samples from 3 unique publications.

Aglycone Mean Content Values

Aglycone Units Average Min Max Standard Deviation
Caffeic acid mg/100 g FW 0.33 0.00 0.93 0.45
mol/100 g 1.83e-06 0.00 5.16e-06 2.52e-06

Original Content Values Used to Produce Means

Moeller B., Herrmann K. (1983) Quinic acid esters of hydroxycinnamic acids in stone and pome fruit. Phytochemistry 22:477-481
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.00 mg/100 g FW Apple - Worcester no 1
0.00 mg/100 g FW Apple - Jamba no 1
Mattila P., Kumpulainen J. (2002) Determination of free and total phenolic acids in plant-derived foods by HPLC with diode-array detection. Journal of Agricultural and Food Chemistry 50:3660-3667 PubMed (12059140)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.14 mg/100 g FW Apple - Granny Smith - Unpeeled no 5
Ping L., Xu-Qing W., Huai-Zhou W., Yong-Ning W. (1993) High Performance Liquid Chromatographic Determination of Phenolic Acids in Fruits and Vegetables. Biomedical and Environmental Sciences 6:389-398 PubMed (20919719)
Original Content Value Original Food Description Commercial Origin # of Samples Analyzed
0.88 mg/100 g FW Apple 3 no 1
0.79 mg/100 g FW Apple 1 no 1
0.93 mg/100 g FW Apple 2 no 1