Table 2 1 H and 13 C NMR data for Apigenin- 4 - O in Metabolic fingerprinting of banana passion fruits and its correlation with quorum quenching activity

Table 2 1 H and 13 C NMR data for Apigenin-4- O -glucopyranosyl, 8- C- (6″acetyl)- β- glucopyranoside (1) and Apigenin-4- O -β- glucopyranosyl-8-C - β -neohesperidoside (2) (Methanol-d 4, δ in ppm, J in Hz).
PositionCompound 1Compound 1δH (mult, J value in Hz)δC (ppm)δH (mult, J value in Hz)δC (ppm)2165.5166.6 [165.9]36.68 (bs)104.86.59 (s) [6.62 (s)]102.0 [103.6]4184.1184.1 [184.4]5161.1162.7 [162.9]66.31 (s)101.86.27 (s) [6.25 (s)]99.8 [101.3]7162.8164.1 [164.3]8104.6105.3 [105.3]9157.4157.8 [156.4]10104.8106.0 [105.8]1′126.4123.5 [123.4]2′-6′7.24 (d, 8.4)118.17.97 (d, 8.7) [7.81 (d, 8.5)]130.1 [129.6]3′-5′8.03 (d, 8.4)129.86.93 (d, 8.7) [6.94 (d, 8.5)]117.0 [117.1]4′161.8162.7 [162.7]C-8 glucose1″4.96 (d, 9.3)75.75.03 (d, 9.9) [5.15 (d, 9.8)]73.7 [75.3]2″4.12 (t, 9.3)73.04.26 (dd, 9.9; 8.5) [4.07 (bt, 9,3)]77.6 [76.7]3″3.57 (dd, 9.3, 7.9)80.23.68 (dd, 8.5; 5.3) [3.73 (bt, 8.7)]81.6 [81.2]4″3.70 (m)72.53.65 (m)72.4 [72.4]5″3.67 (m)80.43.48 (m) [3.71]82.8 [82.7]6″4.47 (dd, 12.0, 2.0)65.23.97 (m)62.6 [62.3]4.28 (dd, 12.0; 4.7)3.80 (m)CH3CO173.1CH3CO1.89 (bs)21.04-O-glucose1‴5.03 (d, 7.4)101.64.39 (d, 7.7) [4.27 (d, 7.9)]105.6 [105.2]2‴3.48 (dd, 9.6, 7.4)74.93.17 (m) [3.12 (m)]75.9 [75.9]3‴3.40 (bt, 9.4)71.33.34 (m) [3.34 (m)]78.2 [78.1]4‴3.43 (m)71.33.32 (m)71.3 [71.7]5‴3.56(m) overlaped79.83.32 (m)82.8 [82.7]6‴3.73 (dd, 12.0, 5.6)62.53.79 (m)/3.68 (m) [3.79 (m)/3.66 (m)]62.6 [62.3]3.92 (dd, 12.0, 2.00)Rhamnose1‴5.13 (d, 1.8) [5.31 (d, 1.7)]102.0 [101.3]2‴3.88 (dd, 3.1, 1.8) [3.71 (dd, 3.1, 1.7)]72.0 [72.0]3‴3.59 (dd, 9.6, 3.1) [3.24 (dd, 9.4,3.1)]72.0 [71.7]4‴3.31 (bt, 9.6) [3.22 (bt, 9.4)]83.2 [82.9]5‴2.55 (dq, 9.6, 6.2) [2.11 (m)]68.3 [68.1]6‴0.73 (d, 6.2) [0.88 (d, 6.2)]18.1 [18.1]
a In square bracket the values for less abundant conformer. Abundance 1.00: 0.45 according to 1 H NMR.