1
|
Peng B, Wang Z, Jiang J, Huang Y, Liu W. Investigation of ultrafast intermediate states during singlet fission in lycopene H-aggregate using femtosecond stimulated Raman spectroscopy. J Chem Phys 2024; 160:194304. [PMID: 38757619 DOI: 10.1063/5.0200802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 04/22/2024] [Indexed: 05/18/2024] Open
Abstract
The singlet fission process involves the conversion of one singlet excited state into two triplet states, which has significant potential for enhancing the energy utilization efficiency of solar cells. Carotenoid, a typical π conjugated chromophore, exhibits specific aggregate morphologies known to display singlet fission behavior. In this study, we investigate the singlet fission process in lycopene H-aggregates using femtosecond stimulated Raman spectroscopy aided by quantum chemical calculation. The experimental results reveal two reaction pathways that effectively relax the S2 (11Bu+) state populations in lycopene H-aggregates: a monomer-like singlet excited state relaxation pathway through S2 (11Bu+) → 11Bu- → S1 (21Ag-) and a dominant sequential singlet fission reaction pathway involving the S2 (11Bu+) state, followed by S* state, a triplet pair state [1(TT)], eventually leading to a long lifetime triplet state T1. Importantly, the presence of both anionic and cationic fingerprint Raman peaks in the S* state is indicative of a substantial charge-transfer character.
Collapse
Affiliation(s)
- Bo Peng
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Ziyu Wang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Jiaming Jiang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Yifan Huang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Weimin Liu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| |
Collapse
|
2
|
Dong J, Wang P. Discovery of ultra-weakly coupled β-carotene J-aggregates by machine learning. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 310:123950. [PMID: 38277780 DOI: 10.1016/j.saa.2024.123950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/13/2024] [Accepted: 01/21/2024] [Indexed: 01/28/2024]
Abstract
Carotenoid aggregates are omnipresent in natural world and can be synthesized in hydrophilic environments. Despite different types of carotenoid aggregates have been reported hitherto, the way to predict the formation of carotenoid aggregates, i.e. H- or J-aggregates, is still challenging. Here, for the first time, we established machine learning models that can predict the formation behavior of carotenoid aggregates. The models are trained based on a database containing different types of carotenoid aggregates reported in the literatures. With the help of these machine learning models, we found a series of unknown types of β-carotene J-aggregates. These novel aggregates are ultra-weakly coupled and have absorption bands up to 700 nm, different from all the carotenoid aggregates reported previously. Our work demonstrates that the machine learning is a powerful tool to predict the formation behavior of carotenoid aggregates and can further lead into the discovery of new carotenoid aggregates for different applications.
Collapse
Affiliation(s)
- Jia Dong
- Department of Chemistry, Renmin University of China, Beijing 100872, People's Republic of China.
| | - Peng Wang
- Department of Chemistry, Renmin University of China, Beijing 100872, People's Republic of China.
| |
Collapse
|
3
|
Wu Z, Tang X, Liu S, Li S, Zhao X, Wang Y, Wang X, Li H. Mechanism underlying joint loading and controlled release of β-carotene and curcumin by octenylsuccinated Gastrodia elata starch aggregates. Food Res Int 2023; 172:113136. [PMID: 37689900 DOI: 10.1016/j.foodres.2023.113136] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 05/20/2023] [Accepted: 06/10/2023] [Indexed: 09/11/2023]
Abstract
This study aimed to fabricate a novel codelivery system to simultaneously load β-carotene and curcumin in a controlled and synergistic manner. We hypothesized that the aggregates of octenylsuccinated Gastrodia elata starch (OSGES) could efficiently load and control the release of β-carotene and curcumin in combination. Mechanisms underlying the self-assembly of OSGES, coloading, and corelease of β-carotene and curcumin by relevant aggregates were studied. The OSGES could form aggregates with a size of 120.2 nm containing hydrophobic domains surrounded by hydrophilic domains. For coloading, the increased solubilities were attributed to favorable interactions between β-carotene and curcumin as well as interactions with octenyl and starch moieties via hydrophobic and hydrogen-bond interactions, respectively. The β-carotene and curcumin molecules occupied the interior and periphery of hydrophobic domains of OSGES aggregates, respectively, and they did not exist in isolation but interacted with each other. The β-carotene and curcumin combination-loaded OSGES aggregates with a size of 310.5 nm presented a more compact structure than β-carotene-only and curcumin-only loaded OSGES aggregates with sizes of 463.5 and 202.9 nm respectively, suggesting that a transition from a loose cluster to a compact cluster was accompanied by coloading. During in vitro digestion, the joint effect of β-carotene and curcumin prolonged their release and increased their bioaccessibility due to competition between favorable hydrophobic and hydrogen-bond interactions and the unfavorable structure erosion and relaxation of the loaded aggregates. Therefore, OSGES aggregates were designed for the codelivery of β-carotene and curcumin, indicating their potential to be applied in functional foods and dietary supplements.
Collapse
Affiliation(s)
- Zhen Wu
- Chongqing Academy of Chinese Materia Medica, Chongqing College of Traditional Chinese Medicine, Chongqing 400065, PR China; Chongqing Key Laboratory of Chinese Medicine & Health Science, Chongqing 400065, PR China.
| | - Xin Tang
- Chongqing Academy of Chinese Materia Medica, Chongqing College of Traditional Chinese Medicine, Chongqing 400065, PR China; Chongqing Key Laboratory of Chinese Medicine & Health Science, Chongqing 400065, PR China
| | - Simei Liu
- Chongqing Academy of Chinese Materia Medica, Chongqing College of Traditional Chinese Medicine, Chongqing 400065, PR China
| | - Sheng Li
- Chongqing Academy of Chinese Materia Medica, Chongqing College of Traditional Chinese Medicine, Chongqing 400065, PR China; Chongqing Key Laboratory of Chinese Medicine & Health Science, Chongqing 400065, PR China
| | - Xiaowan Zhao
- College of Light Industry and Materials, Chengdu Textile College, Chengdu 611731, PR China
| | - Yongde Wang
- Chongqing Academy of Chinese Materia Medica, Chongqing College of Traditional Chinese Medicine, Chongqing 400065, PR China; Chongqing Key Laboratory of Chinese Medicine & Health Science, Chongqing 400065, PR China
| | - Xiaogang Wang
- Chongqing Academy of Chinese Materia Medica, Chongqing College of Traditional Chinese Medicine, Chongqing 400065, PR China; Chongqing Key Laboratory of Chinese Medicine & Health Science, Chongqing 400065, PR China
| | - Hong Li
- National Key Laboratory of Market Supervision (Condiment Supervision Technology), Chongqing Institute for Food and Drug Control, Chongqing 401121, PR China.
| |
Collapse
|
4
|
Tan J, Li MF, Li R, Jiang ZT, Tang SH, Wang Y. Front-face synchronous fluorescence spectroscopy for rapid and non-destructive determination of free capsanthin, the predominant carotenoid in chili (Capsicum annuum L.) powders based on aggregation-induced emission. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 255:119696. [PMID: 33774412 DOI: 10.1016/j.saa.2021.119696] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 02/12/2021] [Accepted: 03/08/2021] [Indexed: 06/12/2023]
Abstract
Capsanthin is the major natural carotenoid pigment in red chili pepper possessing important bioactivity. Its conventional determination method is high performance liquid chromatography (HPLC) with complex and tedious sample pretreatment. In this study, synchronous front-face fluorescence spectroscopy (FFFS) was applied for the fast and non-invasive detection of free capsanthin in chili powders. Although capsanthin was only weak fluorescent in solution state, it showed strong fluorescence in two separated regions in front-face geometry which could also be clearly observed in chili powders. The mechanisms of these emissions are revealed to be aggregation-induced emission (AIE) and J-aggregate formation (JAF). The free capsanthin in 85 chili powder samples were determined by HPLC as in the range of 0.6-3.0 mg/g. The total synchronous FFFS spectra of these samples were scanned. Simple first-order models were built by partial least square regression (PLSR), and were validated by 5-fold cross-validation and external validation. The coefficients of determination (R2) were higher than 0.9, and the root mean square errors (RMSE) were less than 0.2 mg/g. The relative error of prediction (REP) was 9.9%, and the residual predictive deviation (RPD) was 3.7. The method was applied for the estimation of free capsanthin in several real-world samples with satisfactory analytical results. The average relative error to HPLC reference values was -11.8%.
Collapse
Affiliation(s)
- Jin Tan
- Tianjin Key Laboratory of Food Biotechnology, College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, People's Republic of China.
| | - Ming-Fen Li
- Tianjin Key Laboratory of Food Biotechnology, College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, People's Republic of China.
| | - Rong Li
- Tianjin Key Laboratory of Food Biotechnology, College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, People's Republic of China.
| | - Zi-Tao Jiang
- Tianjin Key Laboratory of Food Biotechnology, College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, People's Republic of China.
| | - Shu-Hua Tang
- Tianjin Key Laboratory of Food Biotechnology, College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, People's Republic of China.
| | - Ying Wang
- Tianjin Key Laboratory of Food Biotechnology, College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, People's Republic of China.
| |
Collapse
|
5
|
Phase transition induced changes in β-ring rotation and methyl group asymmetric deformation of all-trans-β-carotene. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111956] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
6
|
Shukla A, Shukla RS, Das C, Goud VV. Gingerols infusion and multi-step process optimization for enhancement of color, sensory and functional profiles of candied mango. Food Chem 2019; 300:125195. [PMID: 31326676 DOI: 10.1016/j.foodchem.2019.125195] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 07/15/2019] [Accepted: 07/15/2019] [Indexed: 10/26/2022]
Abstract
Presence of pungent gingerols in ginger oleoresin makes it an ideal natural flavoring candidate for the food industry. The study reports its incorporation for synergistic enhancement of flavor and nutraceutical portfolio of candied mango. The process is systematically optimized at bench-scale for gingerols infusion and subsequent candying treatment in a range of hypo and hypertonic osmotic solutions for critical transport properties. After that, optimization of the drying process and the scale-up study was conducted with a 200 folds increase in the batch size. Collated effects of multistep optimization resulted in 85.6, 76.8, 60.2% retention in β-carotene, total phenolics, Vitamin C, respectively, along with minor color difference and significant improvement in sensory scores over fresh mango. Mass transfer and quality parameters were comparable in both scales, implying excellent repeatability and scalability of the process. Compared with a similar commercial product, substantial improvement in quality characteristics along with 376.7% reduction in overall processing time was achieved.
Collapse
Affiliation(s)
- Abhishek Shukla
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - R S Shukla
- New Product Development Department, Patanjali Food & Herbal Park, Haridwar 249404, Uttarakhand, India
| | - Chandan Das
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.
| | - Vaibhav V Goud
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.
| |
Collapse
|
7
|
Wu Z, Zhao C, Li R, Ye F, Zhou Y, Zhao G. Insights into Micellization of Octenylsuccinated Oat β-Glucan and Uptake and Controlled Release of β-Carotene by the Resultant Micelles. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:7416-7427. [PMID: 31180666 DOI: 10.1021/acs.jafc.8b06645] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The core-shell structured micelles from octenylsuccinated oat β-glucan (OSβG) are able to solubilize β-carotene (βC). This study reveals molecular interactions governing the formation, stabilization, and βC uptake of OSβG micelles (OSβG-Ms) by means such as water contact angle, 1H nuclear magnetic resonance, dynamic light scattering, and confocal laser scanning microscopy. The results indicated that the micellization of OSβG molecules is triggered by hydrophobic interactions between octenylsuccinate (OSA) moieties, while OSβG-Ms are stabilized via both hydrophobic interactions and hydrogen bonds. For their uptake of βC, βC molecules are first adsorbed onto OSβG-Ms by interacting with OSA moieties scattered on micelle surface. By further interacting with OSA moieties located in micelle shell, βC molecules travel across the shell and finally are trapped in the hydrophobic core. In simulated gastrointestinal fluids, βC is controlled released from OSβG-Ms as an integrated consequence of its diffusion as well as the swelling and erosion of OSβG-Ms. As a result, this study first uncovered the mechanism underlying the uptake of βC by OSβG-Ms, which will certainly facilitate the effective loading of hydrophobic ingredients by OSβG-Ms.
Collapse
Affiliation(s)
- Zhen Wu
- College of Food Science , Southwest University , Chongqing 400715 , PR China
- Chongqing Key Laboratory of Chinese Medicine & Health Science , Chongqing Academy of Chinese Materia Medica , Chongqing 400065 , PR China
| | - Chenyang Zhao
- College of Food Science , Southwest University , Chongqing 400715 , PR China
| | - Ruohua Li
- College of Food Science , Southwest University , Chongqing 400715 , PR China
| | - Fayin Ye
- College of Food Science , Southwest University , Chongqing 400715 , PR China
| | - Yun Zhou
- College of Food Science , Southwest University , Chongqing 400715 , PR China
| | - Guohua Zhao
- College of Food Science , Southwest University , Chongqing 400715 , PR China
- Chongqing Engineering Research Center of Regional Foods , Chongqing 400715 PR China
| |
Collapse
|
8
|
Allahdad Z, Varidi M, Zadmard R, Saboury AA, Haertlé T. Binding of β-carotene to whey proteins: Multi-spectroscopic techniques and docking studies. Food Chem 2019; 277:96-106. [DOI: 10.1016/j.foodchem.2018.10.057] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 10/10/2018] [Accepted: 10/10/2018] [Indexed: 01/22/2023]
|
9
|
Pop OL, Dulf FV, Cuibus L, Castro-Giráldez M, Fito PJ, Vodnar DC, Coman C, Socaciu C, Suharoschi R. Characterization of a Sea Buckthorn Extract and Its Effect on Free and Encapsulated Lactobacillus casei. Int J Mol Sci 2017; 18:ijms18122513. [PMID: 29186761 PMCID: PMC5751116 DOI: 10.3390/ijms18122513] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 11/20/2017] [Accepted: 11/21/2017] [Indexed: 01/17/2023] Open
Abstract
Probiotics are bacteria that can provide health benefits to consumers and are suitable to be added to a variety of foods. In this research, viability of immobilized Lactobacillus casei in alginate with or without sea buckthorn lipid extract were studied during heat treatment and with an in vitro gastrointestinal model. The characterization of the lipid extract was also done using the UV-Vis spectrometry (UV-Vis), high-performance liquid chromatography photodiode array detection method (HPLC-PDA), gas chromatography coupled with mass spectrometry (GS-MS) and Cryo scanning electron microscopy (Cryo-SEM). During heat treatment, the entrapped probiotic cells proved high viability (>6 CFU log/g), even at temperatures above 50 °C. The rich in monounsaturated fatty acids sea buckthorn fraction improved the in vitro digestion passage regarding the probiotic viability. The survival of the probiotic cells was 15% higher after 2 h in the acidic medium of the simulated gastric fluid in the sample where L. casei was encapsulated with the sea buckthorn extract compared with the samples where no extract was added. Thus, this approach may be effective for the future development of probiotic-supplemented foods as foods with health welfare for the consumers.
Collapse
Affiliation(s)
- Oana Lelia Pop
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Calea Mănăștur 3-5, 400372 Cluj-Napoca, Romania; (O.L.P.); (L.C.); (D.C.V.); (C.C.); (C.S.)
| | - Francisc Vasile Dulf
- Department of Environmental and Plant Protection, University of Agricultural Sciences and Veterinary Medicine, Calea Mănăștur 3-5, 400372 Cluj-Napoca, Romania;
| | - Lucian Cuibus
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Calea Mănăștur 3-5, 400372 Cluj-Napoca, Romania; (O.L.P.); (L.C.); (D.C.V.); (C.C.); (C.S.)
| | - Marta Castro-Giráldez
- Instituto Universitario de Ingeniería de Alimentos para el Desarrollo, Universidad Politécnica de Valencia, Camino de Vera s/n, 46022 Valencia, Spain; (M.C.-G.); (P.J.F.)
| | - Pedro J. Fito
- Instituto Universitario de Ingeniería de Alimentos para el Desarrollo, Universidad Politécnica de Valencia, Camino de Vera s/n, 46022 Valencia, Spain; (M.C.-G.); (P.J.F.)
| | - Dan Cristian Vodnar
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Calea Mănăștur 3-5, 400372 Cluj-Napoca, Romania; (O.L.P.); (L.C.); (D.C.V.); (C.C.); (C.S.)
| | - Cristina Coman
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Calea Mănăștur 3-5, 400372 Cluj-Napoca, Romania; (O.L.P.); (L.C.); (D.C.V.); (C.C.); (C.S.)
| | - Carmen Socaciu
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Calea Mănăștur 3-5, 400372 Cluj-Napoca, Romania; (O.L.P.); (L.C.); (D.C.V.); (C.C.); (C.S.)
| | - Ramona Suharoschi
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Calea Mănăștur 3-5, 400372 Cluj-Napoca, Romania; (O.L.P.); (L.C.); (D.C.V.); (C.C.); (C.S.)
- Correspondence: ; Tel.: +40-730-630-252
| |
Collapse
|
10
|
Lu L, Hu T, Xu Z. Structural characterization of astaxanthin aggregates as revealed by analysis and simulation of optical spectra. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 185:85-92. [PMID: 28549295 DOI: 10.1016/j.saa.2017.05.031] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 05/10/2017] [Accepted: 05/14/2017] [Indexed: 06/07/2023]
Abstract
Carotenoids can self-assemble in hydrated polar solvents to form J- or H-type aggregates, inducing dramatic changes in photophysical properties. Here, we measured absorption and emission spectra of astaxanthin in ethanol-water solution using ultraviolet-visible and fluorescence spectrometers. Two types of aggregates were distinguished in mixed solution at different water contents by absorption spectra. After addition of water, all probed samples immediately formed H-aggregates with maximum blue shift of 31nm. In addition, J-aggregate was formed in 1:3 ethanol-water solution measured after an hour. Based on Frenkel exciton model, we calculated linear absorption and emission spectra of these aggregates to describe aggregate structures in solution. For astaxanthin, experimental results agreed well with the fitted spectra of H-aggregate models, which consisted of tightly packed stacks of individual molecules, including hexamers, trimers, and dimers. Transition moment of single astaxanthin in ethanol was obtained by Gaussian 09 program package to estimate the distance between molecules in aggregates. Intermolecular distance of astaxanthin aggregates ranges from 0.45nm to 0.9nm. Fluorescence analysis showed that between subbands, strong exciton coupling induced rapid relaxation of H-aggregates. This coupling generated larger Stokes shift than monomers and J-aggregates.
Collapse
Affiliation(s)
- Liping Lu
- College of Science, Nanjing Agricultural University, Nanjing 210095, China.
| | - Taoping Hu
- College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Zhigang Xu
- College of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
| |
Collapse
|