Molecular conformation and dilute solution properties of barley β-glucan: unveiling β-glucan as a highly flexible biopolymer under different processing conditions

Hematian Sourki, Abdollah; Hesarinejad, Mohammad Ali

doi:10.1186/s40538-023-00449-w

Chemical and Biological Technologies in Agriculture

Table 1 Intrinsic viscosity values determined by five models for BBG at different concentrations

From: Molecular conformation and dilute solution properties of barley β-glucan: unveiling β-glucan as a highly flexible biopolymer under different processing conditions

Treatment	Huggins			Kraemer			Tanglertpaibul and Rao			Higiro 1			Higiro 2
Treatment	[η]	R²	RMSE	[η]	R²	RMSE	[η]	R²	RMSE	[η]	R²	RMSE	[η]	R²	RMSE
Temperature (℃)
25	5.4778	0.9988	0.0449	5.7499	0.9670	0.0401	8.1124	0.9854	0.0435	6.1859	0.9994	0.0059	4.7661	0.9908	0.0346
35	4.7006	0.9991	0.0396	5.0023	0.9632	0.0675	7.4458	0.9832	0.0455	5.7028	0.9985	0.0094	4.4248	0.9938	0.0278
45	4.1517	0.9980	0.0531	4.4314	0.9918	0.0305	6.6167	0.9814	0.0448	5.1333	0.9975	0.0113	4.04	0.9967	0.0189
55	4.2214	0.9896	0.0938	4.4137	0.9283	0.0571	6.1388	0.9855	0.0357	4.8395	0.9984	0.0083	3.8562	0.9951	0.0210
65	3.9935	0.9882	0.0879	4.1696	0.9143	0.0455	5.7675	0.9852	0.0371	4.4925	0.9986	0.0078	3.5418	0.9946	0.0224
pH
3	5.1474	0.9786	0.1556	5.2525	0.9872	0.0171	7.3947	0.9834	0.0480	5.5473	0.9992	0.0071	4.2182	0.9911	0.0352
5	4.7129	0.9763	0.2112	5.071	0.9151	0.0902	7.5474	0.9747	0.0604	5.6859	0.9963	0.0154	4.3654	0.9964	0.0228
7	5.3172	0.9964	0.0787	5.6125	0.9765	0.0279	8.0603	0.9836	0.0505	5.9912	0.9993	0.0068	4.5131	0.9889	0.0416
9	5.0834	0.9938	0.0954	5.361	0.9431	0.0383	7.6521	0.9835	0.0498	5.6944	0.9993	0.0068	4.2971	0.9897	0.0394
Sucrose (%)
10	5.0026	0.9975	0.0693	5.3221	0.9476	0.0656	7.8984	0.9832	0.0505	5.8976	0.9989	0.0087	4.464	0.9897	0.0396
20	4.6742	0.9872	0.1306	4.9532	0.8839	0.0745	7.1208	0.9822	0.0485	5.3849	0.9986	0.0093	4.1319	0.9932	0.0300
30	4.7556	0.9956	0.0678	4.9707	0.9574	0.0298	6.9227	0.9859	0.0412	5.2723	0.9994	0.0058	4.062	0.9909	0.0331
40	4.4191	0.9970	0.0523	4.6135	0.9343	0.0468	6.4388	0.9959	0.0485	4.9841	0.9993	0.0058	4.1319	0.9932	0.0300
NaCl (mM)
5	5.2355	0.9981	0.0678	5.6067	0.9701	0.0574	8.4236	0.9815	0.0546	6.2738	0.9987	0.0096	4.7427	0.9914	0.0373
25	5.5025	0.8873	0.4605	5.1486	0.9266	0.0963	7.8515	0.9810	0.0581	5.805	0.9948	0.0200	4.3766	0.9903	0.0417
50	4.7374	0.9734	0.3999	5.188	0.9379	0.1890	8.4172	0.9707	0.0801	6.2986	0.9934	0.0253	4.8331	0.9982	0.0200
100	5.1635	0.9995	0.0407	5.4726	0.9854	0.0422	5.7261	0.9858	0.0356	6.057	0.9992	0.0088	3.6589	0.9903	0.0294
CaCl₂ (mM)
5	5.3752	0.9931	0.1441	5.6703	0.9698	0.0501	8.2212	0.9832	0.0587	6.1401	0.9989	0.0100	4.651	0.9943	0.0344
25	5.0926	0.9980	0.0823	5.4085	0.9934	0.0322	8.0833	0.9828	0.0589	6.059	0.9986	0.0113	4.6092	0.9950	0.0318
50	4.5118	0.9835	0.2242	4.8413	0.9548	0.1032	7.3538	0.9775	0.0621	5.6208	0.9960	0.0180	4.38	0.9988	0.0142
100	5.1439	0.9978	0.0859	5.4598	0.9968	0.0218	7.3538	0.9775	0.0621	6.0883	0.9986	0.0111	4.38	0.9988	0.0142

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