Physicochemical properties of dietary fiber of bergamot and its effect on diabetic mice

Liu, Huifan; Liang, Jiaxi; Liang, Churong; Liang, Guiqiang; Lai, Jiacong; Zhang, Renying; Wang, Qin; Xiao, Gengsheng

doi:10.3389/fnut.2022.1040825

Cited by 11 publications

(9 citation statements)

References 36 publications

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“…HP and E‐HP treatments maximized the ability for glucose adsorption of the SDFs, which seemed to be the effect of HP. A high glucose adsorption value is a result of increased porosity (Liu et al., 2022), and HP can convert the DF structure into porous and make it looser (Ouyang et al., 2023).…”

Section: Resultsmentioning

confidence: 99%

The effects of high‐pressure, enzymatic, and high‐pressure‐assisted enzymatic treatment on the properties of soluble dietary fibers and their use in jelly prepared with grape waste extract

Baskaya‐Sezer

2023

Journal of Food Science

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This study aimed to investigate the physicochemical attributes of soluble dietary fibers (SDFs) of grape, which were isolated after enzymatic (using cellulase [0.1 MPa/60°C/30 min]), high‐pressure (HP) (100 MPa/60°C/30 min), or HP‐assisted enzymatic treatment (using cellulase [100 MPa/60°C/30 min]), then to evaluate textural properties, color, and microbiological load of jelly prepared using grape waste extract and either pectin or SDF types. HP‐assisted enzymatic treatment increased glucose adsorption capacity by more than 50%, and the water‐holding capacity of SDF more than twofold as compared to the levels measured in untreated‐SDF. After treatments, glucose and galactose contents decreased, whereas fructose, mannose, xylose, arabinose, and rhamnose ratios increased. The arabinose ratio increased more than twice by the effect of HP, whereas the xylose content increased almost fivefold with HP‐assisted enzymatic treatment. For the textural properties of jelly, HP‐assisted enzymatic treated‐SDF provided almost double values in gel strength and adhesiveness than those contributed by untreated‐SDF. It was followed by HP‐treated SDF jelly. The results showed that HP‐assisted enzymatic treatment developed more similar outcomes with enzymatic treatment, rather than HP treatment alone. HP‐assisted enzymatic hydrolysis is recommended for treating SDF for use in jelly due to its synergistic effect.Practical ApplicationHigh‐pressure‐assisted cellulase treatment provided the best properties to SDF for jelly. In combined treatment, impacts of cellulase treatment were more prominent than HP effects. Therefore, the use of HP assistance for enzymatic hydrolysis shortens the processing time. Moreover, the technological and functional properties (water holding, glucose adsorption capacity, and monosaccharide composition) of the combined treated‐fiber can improve. In addition, the color and textural properties of the jelly prepared with this treated‐fiber can be enhanced. In this way, it may be possible to obtain a good thickening agent. This material can also be an alternative to pectin.

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Section: Resultsmentioning

confidence: 99%

The effects of high‐pressure, enzymatic, and high‐pressure‐assisted enzymatic treatment on the properties of soluble dietary fibers and their use in jelly prepared with grape waste extract

Baskaya‐Sezer

2023

Journal of Food Science

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“…Very recently, in addition to polyphenols, other bergamot constituents, such as the soluble (SDF) and insoluble fiber fractions, have attracted scientific interest [ 31 ]. SDF is characterized by a porous structure, which enhances the water and oil holding capacity, as well as cholesterol and glucose absorption.…”

Section: Discussionmentioning

confidence: 99%

“…Soluble fibers have been effective in reducing metabolic syndrome parameters. In diabetic db/db mice, bergamot fibers were found to be effective in regulating glycemia, enhancing insulin sensitivity, regulating glucose homeostasis and effectively controlling blood lipid levels [ 31 ].…”

Section: Discussionmentioning

confidence: 99%

Chemical, Nutritional and Biological Evaluation of a Sustainable and Scalable Complex of Phytochemicals from Bergamot By-Products

et al. 2023

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The present paper reports a sustainable raw material obtained from the by-products derived from the industrial production of bergamot (Citrus × Bergamia Risso & Poiteau) essential oils. The procedure to obtain the raw material is designed to maintain as much of the bioactive components as possible and to avoid expensive chemical purification. It consists of spray-drying the fruit juice obtained by squeezing the fruits, which is mixed with the aqueous extract of the pulp, i.e., the solid residue remained after fruit pressing. The resulting powder bergamot juice (PBJ) contains multiple bioactive components, in particular, among others, soluble fibers, polyphenols and amino-acid betaines, such as stachydrine and betonicine. LC-MS analysis identified 86 compounds, with hesperetin, naringenin, apigenin and eridictyol glucosides being the main components. In the second part of the paper, dose-dependent anti-inflammatory activity of PBJ and of stachydrine was found, but neither of the compounds were effective in activating Nrf2. PBJ was then found to be effective in an in vivo model of a metabolic syndrome induced by a high-sugar, high-fat (HSF) diet and evidenced by a significant increase of the values related to a set of parameters: blood glucose, triglycerides, insulin resistance, systolic blood pressure, visceral adipose tissue and adiposity index. PBJ, when given to control rats, did not significantly change these values; in contrast, they were found to be greatly affected in rats receiving an HSF diet. The in vivo effect of PBJ can be ascribed not only to bergamot polyphenols with well-known anti-inflammatory, antioxidant and lipid-regulating effects, but also to the dietary fibers and to the non-phenolic constituents, such as stachydrine. Moreover, since PBJ was found to affect energy homeostasis and to regulate food intake, a mechanism on the regulation of energy homeostasis through leptin networking should also be considered and deserves further investigation.

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“…Different types of dietary fiber have different physical and chemical properties, determining whether they exhibit beneficial effects through different pathways [ 18 ]. Previous studies have indicated that, compared with IDF, the SDF extracted from bergamot adsorbs cholesterol and glucose more effectively due to its porous structure [ 19 ]. IDF plays a beneficial role in promoting defecation [ 20 ] and supporting the growth of intestinal microorganisms [ 21 ].…”

Section: Introductionmentioning

confidence: 99%

Anti-Obesity Effects of Dietary Fibers Extracted from Flaxseed Cake in Diet-Induced Obese Mice

Zhao

Wang

et al. 2023

Nutrients

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Although many efforts have been made to characterize the functional properties of flaxseed, knowledge concerning the properties of insoluble and soluble dietary fibers in flaxseed is still limited. Here, insoluble and soluble dietary fibers were extracted from flaxseed cake—a valuable resource that has not been fully exploited. Subsequently, their monosaccharide compositions, structural properties, and anti-obesity effects in male mice were characterized. The anti-obesity effects of flaxseed cake insoluble dietary fiber (FIDF), flaxseed cake soluble dietary fiber (FSDF), and FIDF combined with FSDF in diet-induced obese mice were investigated in our study. Supplementation with FSDF alone or FIDF and FSDF together lowered the fat accumulation, improved the serum lipid profile, increased the basal metabolism, and improved the gut microbiota of obese mice. Supplementation with FIDF and FSDF together significantly enriched the abundance of g_Akkermansia and g_Bifidobacterium, which are negatively associated with obesity. Supplementation with FIDF alone improved the liver lipid profile, raised the basal metabolism, and enhanced the short-chain fatty acid levels in the guts of the mice. In conclusion, our results collectively support the therapeutic potential of FIDF and FSDF in obesity treatment and indicate that FIDF and FSDF play different roles in the process of obesity treatment. Furthermore, our results provide critical information for flaxseed cake resource exploitation.

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Physicochemical properties of dietary fiber of bergamot and its effect on diabetic mice

Cited by 11 publications

References 36 publications

The effects of high‐pressure, enzymatic, and high‐pressure‐assisted enzymatic treatment on the properties of soluble dietary fibers and their use in jelly prepared with grape waste extract

The effects of high‐pressure, enzymatic, and high‐pressure‐assisted enzymatic treatment on the properties of soluble dietary fibers and their use in jelly prepared with grape waste extract

Chemical, Nutritional and Biological Evaluation of a Sustainable and Scalable Complex of Phytochemicals from Bergamot By-Products

Anti-Obesity Effects of Dietary Fibers Extracted from Flaxseed Cake in Diet-Induced Obese Mice

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