Effect of heat–moisture treatment of germinated black rice on the physicochemical properties and its utilization by lactic acid bacteria

Wattananapakasem, Isara; Penjumras, Patpen; Malaithong, Worasin; Nawong, Siriwan; Poomanee, Worrapan; Kinoshita, Hideki

doi:10.1007/s13197-020-04951-z

Cited by 8 publications

(2 citation statements)

References 24 publications

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“…Additionally, it has been observed that the germination treatment of black rice grains can degrade many components around the plant cell wall so that free and bound phenolic compounds can be released, and the total phenolic content can be significantly increased. 89 The targeted duration for germination is between 12 and 48 hours, with a temperature range of 25 to 40 °C. The nutrient solution is changed at intervals of 3 to 4 hours.…”

Section: Germinationmentioning

confidence: 99%

Effect of processing methods and storage on the bioactive compounds of black rice (Oryza sativa L.): a review

Obadi,

2023

Food Funct.

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Section: Germinationmentioning

confidence: 99%

Effect of processing methods and storage on the bioactive compounds of black rice (Oryza sativa L.): a review

Obadi,

2023

Food Funct.

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“…Several investigations have reported that GABA content could be significantly increased during germination [ 13 , 14 , 15 , 16 , 17 ]. As for the underlying mechanism of GABA enhancement induced by germination, grains have extensive defense mechanisms that allow them to respond to external biotic and abiotic stress.…”

Section: Introductionmentioning

confidence: 99%

Accelerated Accumulation of γ-Aminobutyric Acid and Modifications on Its Metabolic Pathways in Black Rice Grains by Germination under Cold Stress

Yan

et al. 2023

Foods

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Germination can increase γ-aminobutyric acid (GABA) accumulation in grains, but the combined effects of germination and other external stress on rice grains have been little studied. In this investigation, enhanced accumulation of GABA and modification of its metabolic pathways in black rice grains were investigated during germination under cold stress. The combination of cold stress and germination resulted in a greater accumulation of GABA than germination alone. The treatment of cold stress at 0 °C for 1 h and germination for 72 h induced a maximum GABA content of 195.64 mg/100 g, 51.54% higher compared to the control, which was superior to any other treatment. We modified the metabolism of the GABA shunt to the orientation of GABA synthesis, in which the activity of glutamic acid decarboxylase and protease were stimulated. The total content of free amino acid indicated an upward trend as germination prolonged. The degradation of polyamines was partly promoted due to elevated diamine oxidase and polyamine oxidase activity, but the activity of amino-aldehyde dehydrogenase for the direct synthesis of GABA in the pathway was suppressed. The result implied that the GABA shunt might play a major role in enhancing GABA accumulation induced by cold stress and germination rather than the polyamines degradation pathway. This investigation provides a practical reference for GABA accumulation by germination under cold stress and a theoretical basis for the possible mechanism underlying the accelerating action.

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Commercial starches modified by physical, chemical, enzymatic and combined methods: processes and applications

Demiate,

Bet,

Ito

2024

Starch Industries: Processes and Innovative Products in Food and Non-Food Uses

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Effect of heat–moisture treatment of germinated black rice on the physicochemical properties and its utilization by lactic acid bacteria

Cited by 8 publications

References 24 publications

Effect of processing methods and storage on the bioactive compounds of black rice (Oryza sativa L.): a review

Effect of processing methods and storage on the bioactive compounds of black rice (Oryza sativa L.): a review

Accelerated Accumulation of γ-Aminobutyric Acid and Modifications on Its Metabolic Pathways in Black Rice Grains by Germination under Cold Stress

Commercial starches modified by physical, chemical, enzymatic and combined methods: processes and applications

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