Table 3.

The ¹³C NMR spectroscopic data of enzyme reaction products F2, C-Mc, C-Y, and C-K¹⁾

Carbon site	F2	C-Mc	C-Y	C-K	Carbon site	F2	C-Mc	C-Y	C-K
Aglycone moiety					3-O-Glc
C-1	23.39	39.60	39.75	39.72	C-1′	107.10	–	–	–
C-2	26.93	28.41	28.40	28.41	C-2′	75.93	–	–	–
C-3	88.98	79.40	79.45	79.43	C-3′	79.43	–	–	–
C-4	39.37	39.75	39.61	39.58	C-4′	71.80	–	–	–
C-5	56.56	56.57	56.58	56.53	C-5′	78.50	–	–	–
C-6	18.63	18.97	18.97	18.93	C-6′	63.26	–	–	–
C-7	35.30	35.37	35.38	35.34	20-O-Glc
C-8	40.22	40..26	40.27	40.24	C-1′	98.42	98.25	98.25	98.40
C-9	50.37	50.49	50.52	50.47	C-2′	75.28	75.19	75.03	75.27
C-10	37.13	37.55	37.55	37.52	C-3′	78.90	78.29	78.29	78.40
C-11	31.06	31.00	31.04	31.10	C-4′	72.05	72.28	71.25	71.80
C-12	70.35	70.46	70.37	70.35	C-5	78.43	76.69	77.04	78.22
C-13	49.65	49.62	49.67	49.65	C-6′	63.04	68.67	69.36	63.04
C-14	51.60	51.62	51.61	51.59	20-Ara(p)
C-15	30.95	60.94	30.97	30.95	1′′	–	–	105.95	–
C-16	26.82	26.84	26.85	26.81	2″	–	–	71.68	–
C-17	51.81	51.86	51.84	51.79	3″	–	–	74.28	–
C-18	16.98	16.55	16.54	16.53	4″	–	–	68.76	–
C-19	16.47	16.55	16.54	16.50	5″	–	–	67.13	–
C-20	83.48	83.61	83.67	83.46	20-Ara(f)
C-21	25.95	26.02	26.03	25.94	1″	–	110.28	–	–
C-22	36.31	36.36	36.38	36.32	2″	–	83.47	–	–
C-23	23.39	23.35	23.34	23.37	3″	–	79.01	–	–
C-24	126.12	126.22	126.21	126.12	4″	–	86.19	–	–
C-25	131.09	131.23	131.31	131.07	5″	–	62.84	–	–
C-26	22.56	22.53	22.45	22.52
C-27	17.95	18.10	18.16	17.94
C-28	28.33	28.91	28.90	28.86
C-29	16.16	16.25	16.27	16.19
C-30	17.56	17.60	17.64	17.56

¹⁾In this work, assignments were based on ¹H, ¹³C, DEPT, HSQC NMR experiments and compared with [31].