Similarity Evaluation of Different Origins and Species of Dendrobiums by GC-MS and FTIR Analysis of Polysaccharides

Table 5

The similarity coefficients of the FTIR of the polysaccharides from the nine dendrobiumsin the ranges of 4000–400 cm⁻¹ (%).

Similarity coefficients	TC-DHS	W-DHS	TC-DO	W-DO	TC-DM	W-DM	W-DHN	W-DL	W-DC
TC-DHS	100	88.7	77.9	75.7	75.0	79.4	77.5	61.1	70.1
W-DHS		100	62.2	67.9	75.6	82.3	74.9	68.1	67.1
TC-DO			100	86.8	83.7	77.9	80.1	58.6	81.9
W-DO				100	80.1	77.8	76.1	71.2	78.4
TC-DM					100	88.5	82.6	63.4	73.1
W-DM						100	80.5	68.8	76.2
W-DHN							100	57.4	78.5
W-DL								100	77.4
W-DC									100