Extraction and Chromatographic Analysis of Ethiopian Oak Bark Plant for Leather Tanning Applications

Ayalew, Adane Adugna; Wodag, Awoke Fenta

doi:10.1007/s42250-022-00580-5

Cited by 3 publications

(1 citation statement)

References 77 publications

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“…For example, wine-making and leather tanning enterprises have used oaks ( Quercus ) for centuries. It is known that specific compounds from trees in the oak genus facilitate taste in aged alcoholic drinks and are responsible for altering the protein structure in the hides to induce durability [ 3 , 4 ]. However, research shows that oaks contain many useful compounds that may be utilized in multiple ways in varied other fields, i.e., as medicine, supplements, and additives.…”

Section: Introductionmentioning

confidence: 99%

Phenolic and Antioxidant Compound Accumulation of Quercus robur Bark Diverges Based on Tree Genotype, Phenology and Extraction Method

Sirgedaitė-Šėžienė

Lučinskaitė

Leleikaitė

et al. 2023

Life

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Oak bark is a rich niche for beneficial bioactive compounds. It is known that the amount of the compounds found in plant tissues can depend on species, genotype, growth site, etc., but it is unclear whether oak phenology, i.e., late or early bud burst, can also influence the amount of phenols and antioxidants that can be extracted. We tested two Quercus robur populations expressing different phenology and five half-sib families in each population to see how phenology, genotype, as well as extrahent differences (75% methanol or water) can determine the total phenol, total flavonoid content, as well as antioxidant activity. Significant statistical differences were found between half-sib families of the same population, between populations representing different oak phenology and different extrahents used. We determined that the extraction of flavonoids was more favorable when using water. So was antioxidant activity using one of the indicators, when significant differences between extrahents were observed. Furthermore, in families where there was a significant difference, phenols showed better results when using methanol. Overall, late bud burst families exhibited higher levels in all parameters tested. Thus, we recommend that for further bioactive compound extraction, all these factors be noted.

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Section: Introductionmentioning

confidence: 99%

Phenolic and Antioxidant Compound Accumulation of Quercus robur Bark Diverges Based on Tree Genotype, Phenology and Extraction Method

Sirgedaitė-Šėžienė

Lučinskaitė

Leleikaitė

et al. 2023

Life

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Phytochemical profiling of oak bark extract: A combined approach using near-infrared spectroscopy and liquid chromatography–mass spectrometry

Schwarz,

Kappacher,

Huck

2025

Spectrochimica Acta Part A: Molecular and Biomolecular Spectros

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The Use of Non-isocyanate Urethanes in the Chrome-saving Technology of the Manufacture of Fur Raw Materials

Garifullina,

Antonova

2024

Èkol. prom. Ross.

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The possibilities of reducing the negative impact of chrome tanning agents on the environment are considered. Special attention is paid to the chrome-saving technology of dressing fur raw materials with pretreatment with non-toxic non-isocyanate urethanes. The results of a study on reducing the concentration of chromium in the working solution using functional non-isocyanate urethanes are presented. The object of the study is the raw material of fur sheepskin. It was revealed that the introduction of pretreatment with non-isocyanate urethanes before chrome tanning of fur raw materials allows reducing the initial concentration of chrome tanning agent in the bath to an average of 37%.

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Extraction and Chromatographic Analysis of Ethiopian Oak Bark Plant for Leather Tanning Applications

Cited by 3 publications

References 77 publications

Phenolic and Antioxidant Compound Accumulation of Quercus robur Bark Diverges Based on Tree Genotype, Phenology and Extraction Method

Phenolic and Antioxidant Compound Accumulation of Quercus robur Bark Diverges Based on Tree Genotype, Phenology and Extraction Method

Phytochemical profiling of oak bark extract: A combined approach using near-infrared spectroscopy and liquid chromatography–mass spectrometry

The Use of Non-isocyanate Urethanes in the Chrome-saving Technology of the Manufacture of Fur Raw Materials

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