The Scientific World Journal

Research Article

Resistant Starch Contents of Native and Heat-Moisture Treated Jackfruit Seed Starch

Table 2

Thermal properties, FT-IR ratio of peaks 1047/1022 cm⁻¹, swelling power (g/g of dry starch), and water solubility (g/g of dry starch × 100) of native JFS and selective HMT-JFS treated at conditions of 10–35% MC and 80–120^°C for 16 h.


JFS sample	Temperature (^°C)					FT-IR ratio	Swelling power at (^°C)						Solubility at (^°C)
JFS sample					(J/g)	FT-IR ratio	RT	50	60	70	80	90	RT	50	60	70	80	90

Native	82.58 ± 0.24	84.24 ± 0.37	88.63 ± 0.12	6.05 ± 0.31	11.25 ± 0.06	0.80 ± 0.01	1.1	1.3	2.3	2.5	6.8	7.7	0.4	1.3	2.4	2.8	7.2	9.5

80^°C
10% MC	82.28 ± 0.94	84.41 ± 0.54	88.75 ± 0.07	6.47 ± 0.37	10.14 ± 0.06	0.82 ± 0.03	1.1	1.3	2.1	2.9	5.3	7.0	0.5	1.5	2.2	2.9	7.2	9.3
20% MC	82.52 ± 0.31	85.38 ± 0.24	88.25 ± 0.21	5.73 ± 0.10	7.44 ± 0.26	0.85 ± 0.02	1.0	1.4	2.3	2.9	5.0	6.7	0.7	1.5	2.3	3.1	7.1	9.2
25% MC	86.10 ± 0.12	88.79 ± 0.39	91.65 ± 1.06	5.55 ± 0.94	7.27 ± 0.73	0.84 ± 0.02	1.1	1.5	2.5	2.8	3.2	5.7	0.7	1.7	2.3	3.2	7.3	9.1
30% MC	89.22 ± 0.27	91.03 ± 0.13	93.25 ± 0.21	4.03 ± 0.06	4.49 ± 0.23	0.83 ± 0.03	1.1	1.2	2.4	2.7	4.3	5.5	0.6	1.6	2.5	3.0	7.2	9.2
35% MC	89.32 ± 0.14	91.14 ± 0.16	93.40 ± 0.71	4.08 ± 0.85	5.04 ± 0.36	0.85 ± 0.04	1.2	1.2	2.6	2.6	5.0	6.1	0.5	1.7	2.6	3.1	7.3	9.6

90^°C
10% MC	82.14 ± 1.20	85.01 ± 0.63	88.05 ± 0.92	5.91 ± 0.28	9.20 ± 0.95	0.78 ± 0.06	1.0	1.2	2.3	3.1	5.9	7.3	0.4	1.4	2.3	2.9	6.8	9.1
20% MC	85.71 ± 0.09	88.20 ± 0.40	91.90 ± 1.41	6.19 ± 1.51	8.12 ± 1.10	0.84 ± 0.04	1.1	1.5	2.7	3.3	5.5	6.9	0.4	1.5	2.4	3.2	7.0	9.3
25% MC	91.62 ± 0.20	93.49 ± 0.55	96.20 ± 1.13	4.58 ± 0.93	7.41 ± 1.12	0.77 ± 0.05	1.1	1.4	2.6	2.9	5.6	6.7	0.3	1.6	2.4	3.1	6.8	9.2
30% MC	90.57 ± 0.23	92.53 ± 0.16	95.00 ± 0.57	4.43 ± 0.80	5.11 ± 0.99	0.78 ± 0.06	1.0	1.3	2.5	3.2	5.3	6.2	0.4	1.5	2.6	3.1	7.0	9.3
35% MC	91.35 ± 0.48	93.57 ± 0.56	96.50 ± 1.56	5.15 ± 1.08	4.87 ± 1.37	0.75 ± 0.05	1.0	1.4	2.7	2.9	5.4	6.6	0.4	1.8	2.6	3.0	7.0	9.5

100^°C
10% MC	81.68 ± 0.44	84.69 ± 0.45	89.00 ± 0.85	7.32 ± 0.41	10.75 ± 0.33	0.78 ± 0.03	1.1	1.3	2.2	3.1	5.6	6.5	0.5	1.2	2.3	3.0	6.6	8.9
20% MC	85.37 ± 0.32	88.18 ± 0.51	91.75 ± 1.20	6.38 ± 0.88	8.93 ± 1.04	0.76 ± 0.03	1.1	1.2	2.3	3.2	5.2	5.8	0.4	1.1	2.3	2.9	5.7	8.2
25% MC	89.13 ± 0.27	92.07 ± 0.03	95.25 ± 0.21	6.12 ± 0.06	5.80 ± 0.93	0.76 ± 0.05	1.0	1.2	2.5	2.9	4.8	5.4	0.5	1.1	2.4	2.8	5.0	7.5
30% MC	92.12 ± 0.09	94.29 ± 0.05	97.60 ± 0.00	5.48 ± 0.09	4.38 ± 0.64	0.75 ± 0.03	1.0	1.1	2.2	2.8	4.0	5.3	0.5	1.3	2.3	2.7	4.7	7.2
35% MC	93.26 ± 0.01	95.45 ± 0.07	98.05 ± 0.04	4.79 ± 0.22	1.80 ± 0.06	0.70 ± 0.05	1.1	1.1	2.2	2.5	3.3	4.6	0.4	1.1	2.2	2.6	4.4	6.9

110^°C
10% MC	81.66 ± 0.38	84.50 ± 0.27	88.25 ± 0.21	6.59 ± 0.59	9.35 ± 1.33	0.81 ± 0.01	1.0	1.3	2.3	3.2	5.8	7.2	0.3	1.3	2.4	3.4	7.0	9.0
20% MC	84.92 ± 0.90	87.34 ± 0.15	91.55 ± 0.21	6.63 ± 1.12	3.10 ± 1.36	0.84 ± 0.02	1.0	1.3	2.4	3.2	5.4	6.8	0.3	1.3	2.5	3.5	7.2	8.8
25% MC	86.49 ± 1.25	90.95 ± 0.12	94.80 ± 0.85	8.31 ± 0.40	4.55 ± 0.84	0.77 ± 0.05	1.2	1.6	2.7	3.3	5.5	6.5	0.4	1.2	2.5	3.4	7.2	8.7
30% MC	89.21 ± 0.67	91.92 ± 0.66	95.75 ± 0.92	6.54 ± 0.25	4.75 ± 1.20	0.76 ± 0.03	1.2	1.4	2.7	3.4	4.9	6.1	0.4	1.3	2.6	3.7	7.3	8.9
35% MC	89.29 ± 0.17	92.31 ± 0.18	95.55 ± 0.21	6.26 ± 0.05	1.63 ± 0.07	0.78 ± 0.04	1.2	1.5	2.8	3.6	4.8	6.5	0.4	1.4	2.5	3.6	7.6	9.4

120^°C
10% MC	81.75 ± 0.72	84.76 ± 0.73	89.05 ± 2.19	7.30 ± 1.47	9.29 ± 0.93	0.82 ± 0.02	1.1	1.2	2.2	3.2	5.7	7.0	0.5	1.6	2.2	3.3	7.4	9.2
20% MC	86.05 ± 4.47	86.48 ± 0.21	90.65 ± 0.07	6.60 ± 0.54	4.14 ± 0.25	0.82 ± 0.03	1.1	1.3	2.4	3.3	5.9	6.8	0.4	1.6	2.3	3.4	7.3	9.3
25% MC	87.33 ± 2.10	90.91 ± 0.14	93.90 ± 0.57	6.57 ± 0.66	3.88 ± 0.90	0.77 ± 0.05	1.3	1.4	2.5	2.9	5.5	6.6	0.5	1.8	2.3	3.6	7.5	9.6
30% MC	86.92 ± 0.27	90.88 ± 0.96	95.80 ± 0.99	8.88 ± 1.26	3.18 ± 0.74	0.74 ± 0.04	1.3	1.5	2.6	3.1	5.5	6.9	0.5	1.9	2.5	3.5	7.4	9.4
35% MC	88.27 ± 0.16	91.68 ± 0.19	94.75 ± 0.35	6.48 ± 0.19	2.28 ± 0.35	0.69 ± 0.03	1.2	1.5	2.6	3.4	5.8	7.2	0.5	1.6	2.6	3.3	7.5	9.5