Antimicrobial and Antioxidant Activities of Palm Kernel Oils Extracted from Varieties Dura and Tenera of Oil Palm (Elaeis guineensis Jacq.) and the Relationship to Their Chemical Composition

Yapi, Paulin A.; Kouadio, Irène Ahou

doi:10.5296/jfs.v9i1.17071

Cited by 3 publications

(8 citation statements)

References 17 publications

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“…Indeed, these ratios were 0.250 and 0.220 respectively for OD and OT (Table 2). These results were similar to those obtained by Agboola et al, (2015) and Yapi and Kouadio (2020). Means (means of three samples analyzed) in each row followed by different letters are significantly different (p<0.05).…”

Section: Fatty Acids Compositionsupporting

confidence: 89%

“…The analysis started with the conversion of the oil into fatty acid trimé thyl silyl ester. This esterification was conducted following the procedure used by Kloos et al (2014) and described in the study of Yapi and Kouadio (2020). After the silylation, of the fatty acids by the reagent of N-methyl-N-trimethylsilyltrifluoroacetamide (MSTFA), the analysis was carried out by GC-MS using an apparatus of the PerkinElmer brand, model Clarus 680GC 600C MS.…”

Section: Determination Of Fatty Acids Composition By Gas Chromatography Coupled To Mass Spectrometry (Gc/ms)mentioning

confidence: 99%

“…After the silylation, of the fatty acids by the reagent of N-methyl-N-trimethylsilyltrifluoroacetamide (MSTFA), the analysis was carried out by GC-MS using an apparatus of the PerkinElmer brand, model Clarus 680GC 600C MS. The chromatographic conditions were those described by Yapi and Kouadio (2020).…”

Section: Determination Of Fatty Acids Composition By Gas Chromatography Coupled To Mass Spectrometry (Gc/ms)mentioning

confidence: 99%

“…In order to obtain the trimethylsilyl ether (tms) of sterols which are detectable by gas chromatography coupled to a mass spectrometer (GC-MS), the unsaponifiable fraction was derived by silylation using the method used by Grandgirard and Gordelet (1998). These tms sterols were then identified and quantified by GC-MS using chromatographic conditions used previously by Yapi and Kouadio, (2020).…”

Section: Minor Components Determinationmentioning

confidence: 99%

“…The α-tocopherol which is the most active form of vitamin E was also determined. The analysis was carried out using the standard ISO 14565 ( 2000) described in previous study by Yapi and Kouadio, (2020). The quantification of the α-tocopherol was also done by using a gas chromatograph equipped with a mass spectrometer with the chromatographic conditions described by Yapi and Kouadio (2020).…”

Section: Withmentioning

confidence: 99%

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Biochemical Characterization by GC-MS of Palm Kernel Oils Produced in Côte d’Ivoire

Kouadio¹

2021

JFR

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The objective of this study was to determine biochemical composition of palm kernel oils produced and consuming in Côte d’Ivoire in order to find out those more suitable for human diet. Our preliminary investigations showed that palm kernel oils consumed in Côte d’Ivoire were those extracted from varieties Dura and Tenera of oil palm (Elaeis guineensis Jacq.) Thus, the types of oils analyzed in this study were oil extracted from the variety Dura (OD) and oil extrated from the variety Tenera (OT). The GC-MS was used to determine the biochemical composition of these oils. The results obtained show that in each oil, seventeen fatty acids were identified by GC–MS. However, among these fatty acids, undecylenic acid was identified only in OD and heptanoic acid was identified only in OT. The two types of oil are rich in saturated fatty acids. However, OD had a relatively higher unsaturated fatty acids content. For the other compounds identified, OT had significantly the highest contents of polyphenols, α-tocopherol and sterols with the predominance of β-sitosterol. These results support that palm kernel oil extracted from the variety Tenera is rich in natural compounds that could be developed as nutraceuticals and phytomedicine. However, some unexpected compounds such as lactones were also identified in the two types of oils. Moreover, it is noted that these lactones were more abundant in oil extracted from the variety Dura (OD).

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Section: Fatty Acids Compositionsupporting

confidence: 89%

Section: Determination Of Fatty Acids Composition By Gas Chromatography Coupled To Mass Spectrometry (Gc/ms)mentioning

confidence: 99%

Section: Determination Of Fatty Acids Composition By Gas Chromatography Coupled To Mass Spectrometry (Gc/ms)mentioning

confidence: 99%

Section: Minor Components Determinationmentioning

confidence: 99%

Section: Withmentioning

confidence: 99%

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Biochemical Characterization by GC-MS of Palm Kernel Oils Produced in Côte d’Ivoire

Kouadio¹

2021

JFR

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Bamboo shoot dietary fiber alleviates gut microbiota dysbiosis and modulates liver fatty acid metabolism in mice with high-fat diet-induced obesity

Zhou¹,

Ma²,

Li³

et al. 2023

Front. Nutr.

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IntroductionObesity is a common nutritional disorder characterized by an excessive fat accumulation. In view of the critical role of gut microbiota in the development of obesity and metabolic diseases, novel dietary therapies have been developed to manage obesity by targeting the gut microbiome. In this study, we investigated anti-obesity effects of bamboo shoot dietary fiber (BSDF) and the potential mechanisms.MethodsAfter 12 weeks of intervention with BSDF in high-fat mice, we detected obesity-related phenotypic indicators, and made transcriptomic analysis of liver tissue. Then we analyzed the changes of gut microbiota using 16S rRNA gene sequencing, explored the effect of BSDF on gut microbiota metabolites, and finally verified the importance of gut microbiota through antibiotic animal model.Results and discussionWe found that BSDF was effective in reducing lipid accumulation in liver and adipose tissue and alleviating dyslipidemia and insulin resistance. Liver transcriptome analysis results showed that BSDF could improve lipid metabolism and liver injury by modulating peroxisome proliferator-activated receptor (PPAR) and fatty acid metabolic pathways. The 16S rRNA gene sequencing analysis of gut microbiota composition showed that BSDF significantly enriched beneficial bacteria such as Bifidobacterium, Akkermansia, Dubosiella, and Alloprevotella. Analysis of fecal metabolomics and gut microbiota metabolites revealed that BSDF increased the levels of several short-chain fatty acids and enriched bile acids, which may be important for improving lipid metabolism. Notably, the obesity-related metabolic disorders were abrogated after the abrogation of gut microbiota, suggesting that gut microbiota is a key factor in the beneficial effects of BSDF.ConclusionOur study suggests that BSDF as a prebiotic supplement has the potential to improve obesity by improving gut microbiota and modulating host PPAR and fatty acid metabolic pathways.

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Bamboo Shoots Modulate Gut Microbiota, Eliminate Obesity in High-Fat-Diet-Fed Mice and Improve Lipid Metabolism

Zhou

Pak

et al. 2023

Foods

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Bamboo shoots (BS) have a variety of nutritional benefits; however, their anti-obesity effect and its underlying mechanism of action are still unclear. In this study, we investigated the protective effect of BS against high-fat diet (HFD)-induced gut dysbiosis in mice. After 12 weeks of feeding C57BL/6J mice either on a normal or an HFD with or without BS, metabolic indicators, including blood lipids and glucose tolerance, were measured. 16S rRNA gene sequencing and metabolomics were used to identify alterations in gut microbiota composition and fecal metabolic profiling. The results demonstrated that BS supplementation reduced body weight by 30.56%, mitigated liver damage, and improved insulin resistance and inflammation in obese mice. In addition, BS increased short-chain fatty acid (SCFA) levels and SCFA-producing bacteria (e.g., Lachnospiraceae_NK4A136_group and Norank_f_Muribaculaceae), and reduced levels of harmful bacteria (e.g., Blautia and Burkholderia–Paraburkholderia). Finally, BS increased many beneficial fecal metabolites, such as fatty acids and bile acids, which are highly relevant to the altered gut microbiota. Based on the modulatory effect of BS on microbiota composition and gut metabolite levels observed in this study, we suggest that BS may be beneficial in treating obesity and its related complications.

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Antimicrobial and Antioxidant Activities of Palm Kernel Oils Extracted from Varieties Dura and Tenera of Oil Palm (Elaeis guineensis Jacq.) and the Relationship to Their Chemical Composition

Cited by 3 publications

References 17 publications

Biochemical Characterization by GC-MS of Palm Kernel Oils Produced in Côte d’Ivoire

Biochemical Characterization by GC-MS of Palm Kernel Oils Produced in Côte d’Ivoire

Bamboo shoot dietary fiber alleviates gut microbiota dysbiosis and modulates liver fatty acid metabolism in mice with high-fat diet-induced obesity

Bamboo Shoots Modulate Gut Microbiota, Eliminate Obesity in High-Fat-Diet-Fed Mice and Improve Lipid Metabolism

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