Lignocellulose, dietary fibre, inulin and their potential application in food

Popoola-Akinola, Oyekemi Olabisi; Raji, Temiloluwa Joy; Olawoye, Babatunde

doi:10.1016/j.heliyon.2022.e10459

Cited by 33 publications

(19 citation statements)

References 55 publications

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“…7B). Wheat straw and other terrestrial plant matter contains high levels of inulin, which is used by plants as an energy reserve [79]. According to the metatranscriptome data, hemicellulose-, pectin- and starch-degrading enzymes showed elevated activity in KBP and SZBP (Fig.…”

Section: Resultsmentioning

confidence: 99%

Inter-kingdom microbial interactions revealed by a comparative machine-learning guided multi-omics analysis of industrial-scale biogas plants

Wirth

Bagi

Shetty

et al. 2023

Preprint

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Multi-omics analysis is a powerful tool for the detection and study of inter-kingdom interactions, such as those between bacterial and archaeal members of complex biogas-producing microbial communities. In the present study, the microbiomes of three industrial-scale biogas digesters, each fed with different substrates, were analysed using a machine-learning guided genome-centric metagenomics framework complemented with metatranscriptome data. This data permitted us to elucidate the relationship between abundant core methanogenic communities and their syntrophic bacterial partners. In total, we detected 297 high-quality, non-redundant metagenome-assembled genomes (nrMAGs). Moreover, the assembled 16S rRNA gene profiles of these nrMAGs showed that the phylum Firmicutes possessed the highest copy number, while the representatives of the Archaeal domain had the lowest. Further investigation of the three anaerobic microbial communities showed characteristic alterations over time but remained specific to each industrial-scale biogas plant. The relative abundance of various microbes as revealed by metagenome data were independent from corresponding metatranscriptome activity data. Interestingly, Archaea showed considerably higher activity than was expected from their abundance. We detected 53 nrMAGs that were present in all three biogas plant microbiomes with different abundances. The core microbiome correlated with the main chemical fermentation parameters and no individual parameter emerged as a predominant shaper of community composition. Various interspecies H2/electron transfer mechanisms were assigned to hydrogenotrophic methanogens in the biogas plants that ran on agricultural biomass and wastewater. Analysis of metatranscriptome data revealed that methanogenesis pathways were the most active of all main metabolic pathways. These findings highlight the importance of a combinatorial omics data framework to identify and characterise the activity of specific microbes in complex environments.

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Section: Resultsmentioning

confidence: 99%

Inter-kingdom microbial interactions revealed by a comparative machine-learning guided multi-omics analysis of industrial-scale biogas plants

Wirth

Bagi

Shetty

et al. 2023

Preprint

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“…Similarly, the fiber contents ranged from 6.6 to 8.45% within the nutrient groups. The carbohydrates the body cannot process, adding bulk to the diet, are critical for appropriate digestive system functions ( 59 ). Our findings were consistent with Rehman and Adnan ( 60 ) and Muchuweti et al ( 61 ) because they recorded the same crude fiber levels as the present investigation.…”

Section: Discussionmentioning

confidence: 99%

Ecological factors affecting minerals and nutritional quality of “Dryopteris filix-mas (L.) Schott”: an underutilized wild leafy vegetable in rural communities

Khan,

Ullah,

Okla

et al. 2024

Front. Nutr.

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Dryopteris filix-mas (hereafter D. filix-mas), a wild leafy vegetable, has gained popularity among high mountain residents in the Hindukush-Himalaya region due to its exceptional nutritional profile, and their commercial cultivation also offers viable income alternatives. Nevertheless, besides phytochemicals with medicinal applications, ecological factors strongly affect their mineral contents and nutritional composition. Despite this, little has been known about how this wild fern, growing in heterogeneous ecological habitats with varying soil physiochemical properties and coexisting species, produces fronds with optimal mineral and nutritional properties. Given its nutritional and commercial significance, we investigated how geospatial, topographic, soil physiochemical characteristics and coexisting plants influence this widely consumed fern’s mineral and nutrient content. We collected soil, unripe fern fronds, and associated vegetation from 27 D. filix-mas populations in Swat, NW Pakistan, and were analyzed conjointly with cluster analysis and ordination. We found that the fronds from sandy-loam soils at middle elevation zones exhibited higher nitrogen contents (9.17%), followed by crude fibers (8.62%) and fats (8.09%). In contrast, juvenile fronds from the lower and high elevation zones had lower moisture (1.26%) and ash (1.59%) contents, along with fewer micronutrients such as calcium (0.14–0.16%), magnesium (0.18–0.21%), potassium (0.72–0.81%), and zinc (12% mg/kg). Our findings indicated the fern preference for middle elevation zones with high organic matter and acidic to neutral soil (pH ≥ 6.99) for retaining higher nutritional contents. Key environmental factors emerged from RDA analysis, including elevation (r = −0.42), aspect (r = 0.52), P-3 (r = 0.38), K+ (r = 0.41), EC (r = 0.42), available water (r = −0.42), and field capacity (r = −0.36), significantly impacting fern frond’s mineral accumulation and nutrient quality enhancement. Furthermore, coexisting plant species (r = 0.36) alongside D. filix-mas played a pivotal role in improving its mineral and nutritional quality. These findings shed light on the nutritional potential of D. filix-mas, which could help address malnutrition amidst future scarcity induced by changing climates. However, the prevalent environmental factors highlighted must be considered if the goal is to cultivate this fern on marginal lands for commercial exploitation with high mineral and nutrient yields in Hindukush-Himalaya.

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“…These beneficial effects of okra may be strongly attributed to the mucilage and dietary fiber, which can prevent the absorption of overload sugars and fats. 71 They can also contribute to lowering cholesterol by modifying the gut microbiota as the gut microbiota can change the blood lipid composition, specifically cholesterol, via their effect on bile acid metabolism and the production of microbial products. 72 Intake of okra polyphenols may also modify the gut microbiota since some of their forms are not absorbed from the small intestine or stomach but rather transferred to the colon, where they are metabolized by microbiota.…”

Section: Papermentioning

confidence: 99%

Molecular docking and in vivo protective effects of okra (Abelmoschus esculentus) against metabolic dysfunction in high-fat, high-sodium diet-fed rats

Fouda,

Mohamed

2024

Food Funct.

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Lignocellulose, dietary fibre, inulin and their potential application in food

Cited by 33 publications

References 55 publications

Inter-kingdom microbial interactions revealed by a comparative machine-learning guided multi-omics analysis of industrial-scale biogas plants

Inter-kingdom microbial interactions revealed by a comparative machine-learning guided multi-omics analysis of industrial-scale biogas plants

Ecological factors affecting minerals and nutritional quality of “Dryopteris filix-mas (L.) Schott”: an underutilized wild leafy vegetable in rural communities

Molecular docking and in vivo protective effects of okra (Abelmoschus esculentus) against metabolic dysfunction in high-fat, high-sodium diet-fed rats

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