Co-culture fermentation by Saccharomycopsis fibuligera and lactic acid bacteria improves bioactivity and aroma profile of wheat bran and the bran-containing Chinese steamed bread

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Co-culture fermentation with yeast and lactic acid bacteria (LAB) exhibits advantages in improving the bioactivity and flavor of wheat bran compared to single-culture fermentation, showing application potentials in bran-containing Chinese steamed bread (CSB). To explore the effects of combination of yeast and different LAB on the bioactivity and flavor of fermented wheat bran, this study analyzed the physicochemical properties, phytate degradation capacity, antioxidant activities, and aroma profile of wheat bran treated with co-culture fermentation by Saccharomycopsis fibuligera and eight different species of LAB. Further, the phenolic acid composition, antioxidant activities, texture properties, aroma profile, and sensory quality of CSB containing fermented wheat bran were evaluated. The results revealed that co-culture fermentation brought about three types of volatile characteristics for wheat bran, including ester-feature, alcohol and acid-feature, and phenol-feature, and the representative strain combinations for these characteristics were S. fibuligera with Limosilactobacillus fermentum, Pediococcus pentosaceus, and Latilactobacillus curvatus, respectively. Co-culture fermentation by S. fibuligera and L. fermentum for 36 h promoted acidification with a phytate degradation rate reaching 51.70 %, and improved the production of volatile ethyl esters with a relative content of 58.47 % in wheat bran. Wheat bran treated with co-culture fermentation by S. fibuligera and L. curvatus for 36 h had high relative content of 4-ethylguaiacol at 52.81 %, and exhibited strong antioxidant activities, with ABTS•+ and DPPH• scavenging rates at 65.87 % and 69.41 %, respectively, and ferric reducing antioxidant power (FRAP) at 37.91 μmol/g. In addition, CSB containing wheat bran treated with co-culture fermentation by S. fibuligera and L. fermentum showed a large specific volume, soft texture, and pleasant aroma, and received high sensory scores. CSB containing wheat bran treated with co-culture fermentation by S. fibuligera and L. curvatus, with high contents of 4-ethylguaiacol, 4-vinylguaiacol, ferulic acid, vanillin, syringaldehyde, and protocatechualdehyde, demonstrated strong antioxidant activities. This study is beneficial to the comprehensive utilization of wheat bran resources and provides novel insights into the enhancement of functions and quality for CSB.

Medienart:

E-Artikel

Erscheinungsjahr:

2024

Erschienen:

2024

Enthalten in:

Zur Gesamtaufnahme - volume:182

Enthalten in:

Food research international (Ottawa, Ont.) - 182(2024) vom: 22. März, Seite 114179

Sprache:

Englisch

Beteiligte Personen:

Tang, Ning [VerfasserIn]
Xing, Xiaolong [VerfasserIn]
Li, Huipin [VerfasserIn]
Suo, Biao [VerfasserIn]
Wang, Yuhong [VerfasserIn]
Ai, Zhilu [VerfasserIn]
Yang, Yong [VerfasserIn]

Links:

Volltext

Themen:

4-ethylguaiacol
6JKA7MAH9C
7IGF0S7R8I
Antioxidant activity
Antioxidants
Aroma profile
C9NFD83BJ5
Co-culture fermentation
Dietary Fiber
Guaiacol
Journal Article
Lactic acid bacteria
Phenolic acid composition
Phytic Acid
Saccharomycopsis fibuligera
Wheat bran

Anmerkungen:

Date Completed 25.03.2024

Date Revised 25.03.2024

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1016/j.foodres.2024.114179

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM370087593