Table 3. Polyphenol compounds in Moru wine and non-alcoholic Moru wine

Compounds Concentration (μg/mL)
Moru wine NA-AD1) NA-VD2)
Gallic acid 10.35±0.013)c4) 24.69±0.04a 23.49±0.06b
Protocatechuic acid 2.02±0.00c 6.84±0.44a 4.74±0.04b
Unknown 1(RT=10.2 min) Not quantifiable Not quantifiable Not quantifiable
Chlorogenic acid 0.88±0.00c 3.20±0.40b 4.12±0.14a
Vanillic acid 3.38±0.03c 12.91±0.42a 12.15±0.08b
Caffeic acid 2.42±0.00c 3.82±0.06b 9.26±0.05a
Syringic acid 9.29±0.02c 43.98±0.05a 38.48±0.12b
Epicatechin ND5) ND ND
Unknown 2(RT=26.6 min) Not quantifiable Not quantifiable Not quantifiable
t-Ferulic acid 0.54±0.02b 1.25±0.04a 1.38±0.25a
Rutin 2.32±0.20a 2.30±0.02a 2.04±0.05b
Naringin 0.36±0.02 0.84±0.56 0.55±0.02
t-Cinnamic acid 0.32±0.04c 0.46±0.05b 0.59±0.00a
Naringenin ND ND ND
Kaempferol ND ND ND
Total 31.88±0.18c 100.28±0.79a 96.80±0.13b
1)Non-alcoholic Moru wine produced by atmospheric pressure method.
2)Non-alcoholic Moru wine produced by reduced pressure method.
3)All values are mean±SD (n=3).
4)a-cMeans with different superscripts in the same row are significantly different at p<0.05 by Duncan’s multiple range test.
5)ND, not detected.