Preparation of lactic acid bacteria compound starter cultures based on pasting properties and its improvement of glutinous rice flour and dough

Dengyu Wang; Linlin Liu; Bing Wang; Wenjian Xie; Yanguo Shi; Na Zhang; Hongchen Fan

doi:10.26599/FSHW.2022.9250174

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Open Access

Preparation of lactic acid bacteria compound starter cultures based on pasting properties and its improvement of glutinous rice flour and dough

Dengyu Wang, Linlin Liu, Bing Wang, Wenjian Xie, Yanguo Shi, Na Zhang(), Hongchen Fan()

Key Laboratory of Food Science and Engineering of Heilongjiang Ordinary Higher Colleges, Key Laboratory of Grain Food and Comprehensive Processing of Heilongjiang Province, College of Food Engineering, Harbin University of Commerce, Harbin 150076, China

Peer review under responsibility of Tsinghua University Press.

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Highlights

• Five strains Lactic acid bacteria were used to ferment glutinous rice flour.

• Lactic acid bacteria compound starter was prepared based on pasting properties.

• Fermented glutinous rice flour had higher viscosity and lower setback value.

• Fermented glutinous rice flour had higher water/oil absorption capacity and ΔH.

• Fermented frozen glutinous rice dough had better viscoelasticity and lower freezable water content.

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Abstract

The effects of 5 lactic acid bacteria (LAB) fermentation on the pasting properties of glutinous rice flour were compared, and suitable fermentation strains were selected based on the changes of viscosity, setback value, and breakdown value to prepare LAB compound starter cultures. The results revealed that Latilactobacillus sakei HSD004 and Lacticaseibacillus rhamnosus HSD005 had apparent advantages in increasing the viscosity and reducing the setback and breakdown values of glutinous rice flour. In particular, the compound starter created using the two abovementioned LAB in the ratio of 3:1 had better performance than that using a single LAB in improving the pasting properties and increasing the water and oil absorption capacity of glutinous rice flour. Moreover, the gelatinization enthalpy of the fermented samples increased significantly. For frozen glutinous rice dough stored for 28 days, the viscoelasticity of frozen dough prepared by compound starter was better than that of control dough, and the freezable water content was lower than that of control dough. These results indicate that compound LAB fermentation is a promising technology in the glutinous rice-based food processing industry, which has significance for its application.

Keywords

Glutinous rice flour Glutinous rice dough Lactic acid bacteria compound starter cultures Pasting properties Viscoelasticity

References

[1]

K. Eakkanaluksamee, J. Anuntagool, Optimization of high-protein glutinous rice flour production using response surface method, Rice Sci. 27(1) (2020) 75-80. http://dx.doi.org/10.1016/j.rsci.2019.12.008.

Samples	WAC (g/g)	OAC (g/g)	T_o (℃)	T_p (℃)	T_c (℃)	ΔH (J/g)
Notes: Data represent the mean of three measurements ± standard deviation, different letters in each column indicate significant differences (P < 0.05).
F control	1.024 ± 0.004^d	0.756 ± 0.006^c	58.08 ± 0.09^a	67.09 ± 0.04^a	85.59 ± 0.60^ab	3.81 ± 0.08^b
F Ⅳ-24 h	1.121 ± 0.004^c	1.005 ± 0.004^b	55.73 ± 0.36^b	66.45 ± 0.27^b	85.36 ± 0.67^b	4.26 ± 0.13^a
F Ⅴ-24 h	1.142 ± 0.005^b	1.044 ± 0.002^a	50.79 ± 0.96^c	66.36 ± 0.22^b	83.09 ± 0.21^c	4.36 ± 0.05^a
F Ⅵ-24 h	1.149 ± 0.005^a	1.040 ± 0.004^a	55.33 ± 1.20^b	67.03 ± 0.11^a	86.50 ± 0.45^a	4.39 ± 0.13^a

Samples	RC (%)	R_1047/1022	R_995/1022	Relative content (%)
Samples	RC (%)	R_1047/1022	R_995/1022	α-Helix	β-Sheet	β-Turn	Random coil
Notes: Data represent the mean of three measurements ± standard deviation, different letters in each column indicate significant differences (P < 0.05).
F control	21.32 ± 0.19^d	0.679 ± 0.008^c	1.015 ± 0.006^a	19.16 ± 0.00^a	32.31 ± 0.03^b	27.98 ± 0.00^b	20.55 ± 0.00^a
F Ⅳ-24 h	27.24 ± 0.39^c	0.747 ± 0.007^a	0.953 ± 0.009^b	14.50 ± 0.76^d	43.26 ± 0.16^a	24.34 ± 0.08^c	17.90 ± 0.54^b
F Ⅴ-24 h	30.81 ± 0.57^b	0.730 ± 0.009^ab	0.928 ± 0.002^c	15.61 ± 0.39^c	41.62 ± 0.88^b	27.89 ± 1.93^b	14.88 ± 1.34^c
F Ⅵ-24 h	32.83 ± 0.12^a	0.729 ± 0.006^b	0.914 ± 0.007^d	17.18 ± 0.43^b	27.36 ± 0.48^c	38.17 ± 0.29^a	17.29 ± 0.30^b