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Escobar-Avello D, Mardones C, Saéz V, Riquelme S, von Baer D, Lamuela-Raventós RM, Vallverdú-Queralt A. Pilot-plant scale extraction of phenolic compounds from grape canes: Comprehensive characterization by LC-ESI-LTQ-Orbitrap-MS. Food Res Int 2021; 143:110265. [PMID: 33992366 DOI: 10.1016/j.foodres.2021.110265] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 02/19/2021] [Accepted: 02/21/2021] [Indexed: 12/19/2022]
Abstract
Grape canes, also named vine shoots, are well-known viticultural byproducts containing high levels of phenolic compounds, which are associated with a broad range of health benefits. In this work, grape canes (Vitis vinifera cv. Pinot noir) were extracted in a 750 L pilot-plant reactor under the following conditions: temperature 80 °C, time 100 min, solid/liquid ratio 1:10. The comprehensive characterization of grape cane phenolic compounds was performed by liquid chromatography coupled to high-resolution/accurate mass measurement LTQ-Orbitrap mass spectrometry. A total of 44 compounds were identified and, 26 of them also quantified, consisting of phenolic acids and aldehydes (17), flavonoids (12), and stilbenoids (15). The most abundant class of phenolics were stilbenoids, among which (E)-ε-viniferin predominated. The phenolic profile of grape canes obtained using pilot plant extraction differed significantly from the results of laboratory-scale studies obtained previously. Additionally, we observed a high antioxidant capacity of grape cane pilot-plant extract measured by the radical antioxidant scavenging potential (ABTS+) (2209 ± 125 µmol TE/g DW) and oxygen radical absorbance capacity using fluorescein (ORAC-FL) (4612 ± 155 µmol TE/g DW). Grape cane pilot-plant extract for their phenolic profile may be used as a by-product for the development of novel nutraceutical and pharmaceutical products, improving the value and the sustainability of these residues.
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Affiliation(s)
- Danilo Escobar-Avello
- Department of Nutrition, Food Science and Gastronomy, School of Pharmacy and Food Sciences and XaRTA, Institute of Nutrition and Food Safety (INSA-UB), University of Barcelona, 08921 Santa Coloma de Gramenet, Spain; Unidad de Desarrollo Tecnológico, Universidad de Concepción, 4191996 Coronel, Chile
| | - Claudia Mardones
- Departamento de Análisis Instrumental, Facultad de Farmacia, Universidad de Concepción, Concepción, Casilla 237, Correo 3, Concepción, Chile.
| | - Vania Saéz
- Departamento de Análisis Instrumental, Facultad de Farmacia, Universidad de Concepción, Concepción, Casilla 237, Correo 3, Concepción, Chile
| | - Sebastián Riquelme
- Unidad de Desarrollo Tecnológico, Universidad de Concepción, 4191996 Coronel, Chile; Departamento de Análisis Instrumental, Facultad de Farmacia, Universidad de Concepción, Concepción, Casilla 237, Correo 3, Concepción, Chile
| | - Dietrich von Baer
- Departamento de Análisis Instrumental, Facultad de Farmacia, Universidad de Concepción, Concepción, Casilla 237, Correo 3, Concepción, Chile
| | - Rosa M Lamuela-Raventós
- Department of Nutrition, Food Science and Gastronomy, School of Pharmacy and Food Sciences and XaRTA, Institute of Nutrition and Food Safety (INSA-UB), University of Barcelona, 08921 Santa Coloma de Gramenet, Spain; Consorcio CIBER, M.P. Fisiopatología de la Obesidad y la Nutrición (CIBERObn), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Anna Vallverdú-Queralt
- Department of Nutrition, Food Science and Gastronomy, School of Pharmacy and Food Sciences and XaRTA, Institute of Nutrition and Food Safety (INSA-UB), University of Barcelona, 08921 Santa Coloma de Gramenet, Spain; Consorcio CIBER, M.P. Fisiopatología de la Obesidad y la Nutrición (CIBERObn), Instituto de Salud Carlos III (ISCIII), Madrid, Spain.
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Tsuji T, Tsuboi K, Yokota S, Tagawa S, Kondo T. Characterization of an Amphiphilic Janus-Type Surface in the Cellulose Nanofibril Prepared by Aqueous Counter Collision. Biomacromolecules 2021; 22:620-628. [PMID: 33415976 DOI: 10.1021/acs.biomac.0c01464] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Cellulose nanofibrils, which attract extensive attention as a bio-based, sustainable, high-performance nanofibril, are believed to be predominantly hydrophilic. This study aimed to prove the presence of an amphiphilic "Janus-type fiber surface" in water with hydrophobic and hydrophilic faces in a cellulose nanofibril (ACC-CNF) that was prepared by the aqueous counter collision method. We clarified the surface characteristics of the ACC-CNF by confocal laser scanning microscopy with a carbohydrate-binding module and congo red probes for the hydrophobic planes on the cellulose fiber surfaces and calcofluor white as hydrophilic plane probes. The results indicated the presence of both characteristic planes on a single ACC-CNF surface, which verifies an amphiphilic Janus-type structure. Both hydrophobic probes adsorbed onto ACC-CNFs for the quantitative evaluation of the degree of ACC-CNF surface hydrophobicity by Langmuir's adsorption theory based on the optimal maximum adsorption amounts for various starting raw material types.
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Affiliation(s)
- Tsubasa Tsuji
- Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan.,Chuetsu Pulp & Paper Co., Ltd., 282, Yonejima, Takaoka, Toyama 933-8533, Japan
| | - Kunio Tsuboi
- Chuetsu Pulp & Paper Co., Ltd., 282, Yonejima, Takaoka, Toyama 933-8533, Japan
| | - Shingo Yokota
- Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Satomi Tagawa
- Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Tetsuo Kondo
- Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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Ponnuchamy V, Sandak A, Sandak J. Multiscale modelling investigation of wood modification with acetic anhydride. Phys Chem Chem Phys 2020; 22:28448-28458. [PMID: 33306769 DOI: 10.1039/d0cp05165a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Density functional theory (DFT) and molecular dynamics (MD) simulations were employed to investigate the interaction of cellulose and lignin with acetic anhydride for explaining the wood modification process. Cellulose was modelled with a cellobiose unit and dibenzodioxocin was used to represent the lignin model. Results obtained from both methods revealed that acetic anhydride interacted substantially more with the cellobiose model than the lignin model. The interaction energy of cellobiose-acetic anhydride was higher (about 20 kJ mol-1) than that of lignin-acetic anhydride. DFT results on hydrogen bonding indicated that the hydroxyl group from cellobiose and the aromatic hydroxyl group from lignin models have similar energy values, which explain the equal strength of hydrogen bond interaction. The same trend was also obtained for the substitution of acetyl group in the hydroxyl group. MD results have also predicted that acetic anhydride forms a stronger interaction with cellobiose than with the lignin model, and these findings were in agreement with the DFT results.
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Agustin MB, Nakatsubo F, Yano H. Improving the thermal stability of wood-based cellulose by esterification. Carbohydr Polym 2018; 192:28-36. [DOI: 10.1016/j.carbpol.2018.02.071] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2017] [Revised: 02/14/2018] [Accepted: 02/22/2018] [Indexed: 11/28/2022]
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Lima MR, Paula HC, Abreu FO, da Silva RB, Sombra FM, de Paula RC. Hydrophobization of cashew gum by acetylation mechanism and amphotericin B encapsulation. Int J Biol Macromol 2018; 108:523-530. [DOI: 10.1016/j.ijbiomac.2017.12.047] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Revised: 11/16/2017] [Accepted: 12/06/2017] [Indexed: 01/04/2023]
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Peredo K, Escobar D, Vega-Lara J, Berg A, Pereira M. Thermochemical properties of cellulose acetate blends with acetosolv and sawdust lignin: A comparative study. Int J Biol Macromol 2016; 83:403-9. [DOI: 10.1016/j.ijbiomac.2015.11.022] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2015] [Revised: 11/05/2015] [Accepted: 11/08/2015] [Indexed: 11/27/2022]
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