Table 4. Comparison of polyphenol contents among extracts by enzyme and ethanol from unripe apple

(μg/mL)

Sample Enzyme extract Water fraction 25% ethanol fraction 50% ethanol fraction 75% ethanol fraction 100% ethanol fraction

chlorogenic acid 14.02±3.88^C^b¹⁾ - 329.44±39.39^A^a - - -

caffeic acid 39.48±6.69^A^b - 217.79±25.78^B^a 387.88±5.33^A^a - -

p-coumaric acid 13.08±2.07^C^b - - 226.34±3.60^B^a - -

phloridzin 25.63±1.47^B^b - - 187.33±3.16^C^a - -

Total 92.21±14.11^c - 510.31±12.57^b 801.55±11.81^a - -

¹⁾Means with different uppercase letters in the same column are significantly different and means with different lowercase letters in the same row are significantly different (p<0.05).

Sample	Enzyme extract	Water fraction	25% ethanol fraction	50% ethanol fraction	75% ethanol fraction	100% ethanol fraction
chlorogenic acid	14.02±3.88^C^b¹⁾	-	329.44±39.39^A^a	-	-	-
caffeic acid	39.48±6.69^A^b	-	217.79±25.78^B^a	387.88±5.33^A^a	-	-
p-coumaric acid	13.08±2.07^C^b	-	-	226.34±3.60^B^a	-	-
phloridzin	25.63±1.47^B^b	-	-	187.33±3.16^C^a	-	-
Total	92.21±14.11^c	-	510.31±12.57^b	801.55±11.81^a	-	-