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González-Mulero L, Mesías M, Morales FJ, Navajas-Porras B, Rufián-Henares JA, Delgado-Andrade C. Acrylamide bioaccessibility in potato and veggie chips. Impact of in vitro colonic fermentation on the non-bioaccessible fraction. Food Res Int 2023; 164:112409. [PMID: 36737990 DOI: 10.1016/j.foodres.2022.112409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 12/11/2022] [Accepted: 12/24/2022] [Indexed: 12/30/2022]
Abstract
Potato-based products contribute largely to the daily intake of acrylamide. In addition to potato crisps, the European Commission has included veggie crisps in the list of foods that should be monitored for their acrylamide content. In the present study, acrylamide content in potato and veggie chips (sweet potato, beetroot and carrot) and their bioaccessibility after in vitro digestion was assessed. The non-bioaccessible fraction was also submitted to in vitro fermentation under colonic conditions. Faecal samples from volunteers of three age groups (children, adolescents and adults) were used to evaluate the microbiota effect on the acrylamide availability. Sweet potato chips exhibited the highest acrylamide content (2342 µg/kg), followed by carrot (1279 µg/kg), beetroot (947 µg/kg) and potato chips (524 µg/kg). After in vitro digestion, acrylamide bioaccessibility was significantly lower in veggie chips (59.7-60.4 %) than in potato chips (71.7 %). Potato and sweet potato chips showed the significantly lowest acrylamide content in the non-bioaccessible fraction (22.8 and 24.1 %, respectively) as compared with beetroot chips (28.4 %). After the fermentation step, acrylamide percentage in the soluble fraction of veggie chips ranged from 43.03 to 71.89 %, the highest values being observed in sweet potato chips fermented with microbiota from children. This fact would involve that the acrylamide was released from the non-bioaccessible fractions by the microbiota. These findings point out that the levels of potentially absorbable acrylamide after the complete gastrointestinal process could be modulated by both the food matrix composition and the microbiota. These factors should be further considered for a more precise risk assessment of dietary acrylamide in humans.
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Affiliation(s)
- L González-Mulero
- Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Madrid, Spain
| | - M Mesías
- Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Madrid, Spain
| | - F J Morales
- Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Madrid, Spain
| | - B Navajas-Porras
- Department of Nutrition and Bromatology, Institute of Nutrition and Food Technology, Centre for Biomedical Research, University of Granada, Granada, Spain
| | - J A Rufián-Henares
- Department of Nutrition and Bromatology, Institute of Nutrition and Food Technology, Centre for Biomedical Research, University of Granada, Granada, Spain; Biosanitary Research Institute Ibs. Granada, Universidad de Granada, Granada, Spain
| | - C Delgado-Andrade
- Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Madrid, Spain.
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Pérez-Burillo S, Hinojosa-Nogueira D, Pastoriza S, Rufián-Henares JA. Plant extracts as natural modulators of gut microbiota community structure and functionality. Heliyon 2020; 6:e05474. [PMID: 33251359 PMCID: PMC7677688 DOI: 10.1016/j.heliyon.2020.e05474] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 09/27/2020] [Accepted: 11/05/2020] [Indexed: 02/07/2023] Open
Abstract
The main objective of this work was to evaluate the effect that several plant extracts (currently sold as functional ingredients) have on gut microbiota community structure and functionality. Plant extracts were submitted to an in vitro digestion and fecal fermentation. Overall, plant extracts showed a marked inhibitory activity when compared to basal conditions. However, they also favored the growth of some bacteria such as Coprococcus and Butyricimonas, two butyrate producers. Especially interesting was tea extract which inhibited the growth of the genus Escherichia/Shigella, known to involve species related with gastrointestinal disorders. Additionally, tea extract increased the growth of Faecalibacterium, a known butyrate producer. Regarding short chain fatty acids production, while plant extracts reduced acetate production, butyrate was increased for most samples, especially tea extract. Propionate production was less affected in comparison with basal conditions. Fermentation by gut microbiota also modified the antioxidant capacity (assessed via DPPH, FRAP and Folin-Ciocalteu methods).
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Affiliation(s)
- S Pérez-Burillo
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - D Hinojosa-Nogueira
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - S Pastoriza
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - J A Rufián-Henares
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain.,Instituto de Investigación Biosanitaria ibs.GRANADA, Universidad de Granada, Spain
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Navajas-Porras B, Pérez-Burillo S, Morales-Pérez J, Rufián-Henares JA, Pastoriza S. Relationship of quality parameters, antioxidant capacity and total phenolic content of EVOO with ripening state and olive variety. Food Chem 2020; 325:126926. [PMID: 32387954 DOI: 10.1016/j.foodchem.2020.126926] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 04/21/2020] [Accepted: 04/25/2020] [Indexed: 01/03/2023]
Abstract
The aim of this work was to study the evolution of quality parameters, fatty acid composition, antioxidant capacity and total phenolic content of olive oil obtained from two olive varieties (Manzanilla and Picual) with different maturation. Antioxidant capacity and total phenolic content were measured after submitting the olive oil to in vitro digestion and fermentation to mimic physiological conditions. Quality parameters were always within the legal limits to be called "Extra Virgin Olive Oil". Antioxidant capacity, total phenolic content, saturated fatty acids and monounsaturated fatty acids (MUFA) decreased along maturation, whereas polyunsaturated fatty acids (PUFA) increased in both varieties. Manzanilla showed higher PUFA content, whereas Picual had higher MUFA concentration, antioxidant capacity and total phenolic content. The fermented fraction of olive oil displayed a higher antioxidant capacity. Finally, the statistical approach demonstrated that the type of variety is more important than collection date regarding fatty acid composition and antioxidant capacity.
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Affiliation(s)
- B Navajas-Porras
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - S Pérez-Burillo
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - J Morales-Pérez
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
| | - J A Rufián-Henares
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Universidad de Granada, Spain.
| | - S Pastoriza
- Departamento de Nutrición y Bromatología, Instituto de Nutrición y Tecnología de Alimentos, Centro de Investigación Biomédica, Universidad de Granada, Granada, Spain
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Pérez-Burillo S, Giménez R, Rufián-Henares JA, Pastoriza S. Effect of brewing time and temperature on antioxidant capacity and phenols of white tea: Relationship with sensory properties. Food Chem 2017; 248:111-118. [PMID: 29329833 DOI: 10.1016/j.foodchem.2017.12.056] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Revised: 12/11/2017] [Accepted: 12/14/2017] [Indexed: 12/21/2022]
Abstract
White tea is highly consumed due to its sensory properties and health benefits, although most scientific reports don't include the analysis of both properties. Therefore, the objective of the present study was to unravel the best brewing conditions for optimal extraction of the bioactive compounds and antioxidant capacity, while realising the best sensory properties. Infusions of eighty commercial teas (sold in bags or leaves) were obtained at different time-temperature ratios, studying bioactive compounds (caffeine and individual catechins), antioxidant capacity and sensory analysis. Brewing at 98 °C for 7 min was the best condition to obtain a high content of antioxidant polyphenols and pleasant sensory properties. Those teas sold in bags give rise to tea brews with almost double antioxidant capacity. In conclusion, it is very important to link sensory and chemical data to obtain optimal sensorial quality and the highest healthy properties in white tea infusions.
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Affiliation(s)
- S Pérez-Burillo
- Departamento de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Granada, Granada, Spain
| | - R Giménez
- Departamento de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Granada, Granada, Spain
| | - J A Rufián-Henares
- Departamento de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Granada, Granada, Spain; Instituto de Investigación Biosanitaria, ibs.GRANADA, Universidad de Granada, Spain.
| | - S Pastoriza
- Departamento de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Granada, Granada, Spain
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Abstract
Green tea has been consumed for centuries in Japan, China and Morocco.
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Affiliation(s)
- S. Pastoriza
- Departamento de Nutrición y Bromatología
- Facultad de Farmacia
- Campus de Cartuja S/N
- 18071
- Universidad de Granada
| | - M. Mesías
- Instituto de Ciencia y Tecnología de Alimentos y Nutrición (ICTAN-CSIC)
- Madrid
- Spain
| | - C. Cabrera
- Departamento de Nutrición y Bromatología
- Facultad de Farmacia
- Campus de Cartuja S/N
- 18071
- Universidad de Granada
| | - J. A. Rufián-Henares
- Departamento de Nutrición y Bromatología
- Facultad de Farmacia
- Campus de Cartuja S/N
- 18071
- Universidad de Granada
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Bellido M, Lugo L, Castañeda S, Roman-Blas JA, Rufián-Henares JA, Navarro-Alarcón M, Largo R, Herrero-Beaumont G. PTH increases jaw mineral density in a rabbit model of osteoporosis. J Dent Res 2010; 89:360-5. [PMID: 20177133 DOI: 10.1177/0022034510363082] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Intermittent parathyroid hormone (PTH) administration has been shown to be a promising therapy for systemic bone loss. Accordingly, we hypothesized that PTH could have positive results in treating oral complications of osteoporosis. Hence, we evaluated both mandibular bone loss and its response to PTH in a rabbit model of osteoporosis induced by ovariectomy and glucocorticoid administration. There was a significant and marked decrease in bone mineral density (BMD), bone mineral content (BMC), and calcium content in ash from the osteoporotic peri-alveolar region, which influenced global jaw loss. Remarkably, PTH (1-34) administration to osteoporotic rabbits almost completely reversed BMD, BMC, and calcium content fall in the peri-alveolar region, subsequently reducing global mandibular bone loss. Thus, although the peri-alveolar region is particularly susceptible to osteoporosis, it also responds well to intermittent PTH. Therefore, these results suggest that PTH might represent a valid therapy for improving the osseointegration of dental implants in persons with osteoporosis.
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Affiliation(s)
- M Bellido
- Bone and Joint Research Unit, Service of Rheumatology, Fundación Jiménez Díaz, Universidad Autónoma, Av. Reyes Católicos 2, 28040-Madrid, Spain
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