Purification, Preliminary Structural Characterization, and In Vitro Inhibitory Effect on Digestive Enzymes by β-Glucan from Qingke (Tibetan Hulless Barley)

Table 2

¹³C-NMR assigments for the purified enzymatic β-glucan from qingke (EGQK).

β-Glucan residue		^13C-NMR chemical shifts (ppm)
		C-1	C-2	C-3	C-4	C-5	C-6
β-(1⟶3)		104.04	73.40	87.75	71.06	76.73	61.28
β-(1⟶4)		103.40	68.74	72.66	80.77	75.38	60.71