Effect of Natural Fermentation of Sorghum on Resistant Starch Molecular Structure and Fermentation Property

Table 5

X-diffraction 2θ angle and peak width of sorghum starch and resistant starch.

	Peak serial number	Native starch	Unfermented RS	Fermented RS
Angle of diffraction 2θ (°)	1	15.191 ± 0.002a	12.841 ± 0.001b	12.841 ± 0.006b
	2	17.373 ± 0.005a	17.206 ± 0.005b	17.208 ± 0.004b
	3	18.213 ± 0.002a	20.056 ± 0.003b	20.059 ± 0.002b
	4	23.248 ± 0.005a	22.577 ± 0.005b	22.241 ± 0.001b
Grating space (d)	1	5.8276 ± 0.002a	6.7998 ± 0.004b	6.8883 ± 0.002b
	2	5.1003 ± 0.004c	5.1496 ± 0.002b	5.2000 ± 0.004a
	3	4.8671 ± 0.002a	4.4230 ± 0.002b	4.4230 ± 0.005b
	4	3.8230 ± 0.001c	3.9642 ± 0.001b	3.9938 ± 0.003a
Crystallinity (%)		19.72a	17.21b	16.59c

Note. The difference between the lowercase letters is unsignificant, and the difference between the lowercase letters is significant.