Physicochemical properties of tucumã (Astrocaryum aculeatum) powders with different carbohydrate biopolymers
This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 rat...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Silva, Renata S. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2018transfer abstract |
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| Umfang: |
8 |
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| Übergeordnetes Werk: |
Enthalten in: Assessment of urban identity through a matrix of cultural landscapes - Ziyaee, Maryam ELSEVIER, 2017, an official journal of the Swiss Society of Food Science and Technology (SGLWT/SOSSTA) and the International Union of Food Science and Technology (IUFoST), Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:94 ; year:2018 ; pages:79-86 ; extent:8 |
| Links: |
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| DOI / URN: |
10.1016/j.lwt.2018.04.047 |
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ELV043221254 |
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| 245 | 1 | 0 | |a Physicochemical properties of tucumã (Astrocaryum aculeatum) powders with different carbohydrate biopolymers |
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| 520 | |a This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 ratio. The microparticles were obtained from freeze-drying of the tucumã solutions. The pulp composition, physicochemical properties (moisture content, water activity, size and morphology) of the microparticles, sorption isotherms, water adsorption kinetics, thermogravimetrics (TGA) and content of different bioactive compounds (antioxidant, phenolic compounds, carotenoids and vitamin A) were all analyzed. The powders presented typical morphology of products dehydrated by freeze drying, with vacuoles and surface defects of the microparticles. The DX treatment showed lower hygroscopic behavior, favoring the stability of the tucumã powder. Better bioactive compound retention values were observed for microparticles with modified starches. GA and MD showed better thermal resistance compared to modified starches. In general, the biopolymers showed good maintenance of the bioactive compounds of the encapsulated tucumã. | ||
| 520 | |a This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 ratio. The microparticles were obtained from freeze-drying of the tucumã solutions. The pulp composition, physicochemical properties (moisture content, water activity, size and morphology) of the microparticles, sorption isotherms, water adsorption kinetics, thermogravimetrics (TGA) and content of different bioactive compounds (antioxidant, phenolic compounds, carotenoids and vitamin A) were all analyzed. The powders presented typical morphology of products dehydrated by freeze drying, with vacuoles and surface defects of the microparticles. The DX treatment showed lower hygroscopic behavior, favoring the stability of the tucumã powder. Better bioactive compound retention values were observed for microparticles with modified starches. GA and MD showed better thermal resistance compared to modified starches. In general, the biopolymers showed good maintenance of the bioactive compounds of the encapsulated tucumã. | ||
| 650 | 7 | |a Thermogravimetric analysis |2 Elsevier | |
| 650 | 7 | |a Astrocaryum aculeatum |2 Elsevier | |
| 650 | 7 | |a Vapor adsorption kinetic |2 Elsevier | |
| 650 | 7 | |a Freeze-drying |2 Elsevier | |
| 650 | 7 | |a Sorption isotherms |2 Elsevier | |
| 700 | 1 | |a de L. Santos, Carolina |4 oth | |
| 700 | 1 | |a Mar, Josiana M. |4 oth | |
| 700 | 1 | |a Kluczkovski, Ariane M. |4 oth | |
| 700 | 1 | |a de A. Figueiredo, Jayne |4 oth | |
| 700 | 1 | |a Borges, Soraia V. |4 oth | |
| 700 | 1 | |a Bakry, Amr M. |4 oth | |
| 700 | 1 | |a Sanches, Edgar A. |4 oth | |
| 700 | 1 | |a Campelo, Pedro H. |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Ziyaee, Maryam ELSEVIER |t Assessment of urban identity through a matrix of cultural landscapes |d 2017 |d an official journal of the Swiss Society of Food Science and Technology (SGLWT/SOSSTA) and the International Union of Food Science and Technology (IUFoST) |g Amsterdam [u.a.] |w (DE-627)ELV004078675 |
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10.1016/j.lwt.2018.04.047 doi GBV00000000000243A.pica (DE-627)ELV043221254 (ELSEVIER)S0023-6438(18)30353-0 DE-627 ger DE-627 rakwb eng 660 660 DE-600 690 VZ 74.12 bkl 74.72 bkl Silva, Renata S. verfasserin aut Physicochemical properties of tucumã (Astrocaryum aculeatum) powders with different carbohydrate biopolymers 2018transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 ratio. The microparticles were obtained from freeze-drying of the tucumã solutions. The pulp composition, physicochemical properties (moisture content, water activity, size and morphology) of the microparticles, sorption isotherms, water adsorption kinetics, thermogravimetrics (TGA) and content of different bioactive compounds (antioxidant, phenolic compounds, carotenoids and vitamin A) were all analyzed. The powders presented typical morphology of products dehydrated by freeze drying, with vacuoles and surface defects of the microparticles. The DX treatment showed lower hygroscopic behavior, favoring the stability of the tucumã powder. Better bioactive compound retention values were observed for microparticles with modified starches. GA and MD showed better thermal resistance compared to modified starches. In general, the biopolymers showed good maintenance of the bioactive compounds of the encapsulated tucumã. This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 ratio. The microparticles were obtained from freeze-drying of the tucumã solutions. The pulp composition, physicochemical properties (moisture content, water activity, size and morphology) of the microparticles, sorption isotherms, water adsorption kinetics, thermogravimetrics (TGA) and content of different bioactive compounds (antioxidant, phenolic compounds, carotenoids and vitamin A) were all analyzed. The powders presented typical morphology of products dehydrated by freeze drying, with vacuoles and surface defects of the microparticles. The DX treatment showed lower hygroscopic behavior, favoring the stability of the tucumã powder. Better bioactive compound retention values were observed for microparticles with modified starches. GA and MD showed better thermal resistance compared to modified starches. In general, the biopolymers showed good maintenance of the bioactive compounds of the encapsulated tucumã. Thermogravimetric analysis Elsevier Astrocaryum aculeatum Elsevier Vapor adsorption kinetic Elsevier Freeze-drying Elsevier Sorption isotherms Elsevier de L. Santos, Carolina oth Mar, Josiana M. oth Kluczkovski, Ariane M. oth de A. Figueiredo, Jayne oth Borges, Soraia V. oth Bakry, Amr M. oth Sanches, Edgar A. oth Campelo, Pedro H. oth Enthalten in Elsevier Ziyaee, Maryam ELSEVIER Assessment of urban identity through a matrix of cultural landscapes 2017 an official journal of the Swiss Society of Food Science and Technology (SGLWT/SOSSTA) and the International Union of Food Science and Technology (IUFoST) Amsterdam [u.a.] (DE-627)ELV004078675 volume:94 year:2018 pages:79-86 extent:8 https://doi.org/10.1016/j.lwt.2018.04.047 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO 74.12 Stadtgeographie Siedlungsgeographie VZ 74.72 Stadtplanung kommunale Planung VZ AR 94 2018 79-86 8 045F 660 |
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10.1016/j.lwt.2018.04.047 doi GBV00000000000243A.pica (DE-627)ELV043221254 (ELSEVIER)S0023-6438(18)30353-0 DE-627 ger DE-627 rakwb eng 660 660 DE-600 690 VZ 74.12 bkl 74.72 bkl Silva, Renata S. verfasserin aut Physicochemical properties of tucumã (Astrocaryum aculeatum) powders with different carbohydrate biopolymers 2018transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 ratio. The microparticles were obtained from freeze-drying of the tucumã solutions. The pulp composition, physicochemical properties (moisture content, water activity, size and morphology) of the microparticles, sorption isotherms, water adsorption kinetics, thermogravimetrics (TGA) and content of different bioactive compounds (antioxidant, phenolic compounds, carotenoids and vitamin A) were all analyzed. The powders presented typical morphology of products dehydrated by freeze drying, with vacuoles and surface defects of the microparticles. The DX treatment showed lower hygroscopic behavior, favoring the stability of the tucumã powder. Better bioactive compound retention values were observed for microparticles with modified starches. GA and MD showed better thermal resistance compared to modified starches. In general, the biopolymers showed good maintenance of the bioactive compounds of the encapsulated tucumã. This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 ratio. The microparticles were obtained from freeze-drying of the tucumã solutions. The pulp composition, physicochemical properties (moisture content, water activity, size and morphology) of the microparticles, sorption isotherms, water adsorption kinetics, thermogravimetrics (TGA) and content of different bioactive compounds (antioxidant, phenolic compounds, carotenoids and vitamin A) were all analyzed. The powders presented typical morphology of products dehydrated by freeze drying, with vacuoles and surface defects of the microparticles. The DX treatment showed lower hygroscopic behavior, favoring the stability of the tucumã powder. Better bioactive compound retention values were observed for microparticles with modified starches. GA and MD showed better thermal resistance compared to modified starches. In general, the biopolymers showed good maintenance of the bioactive compounds of the encapsulated tucumã. Thermogravimetric analysis Elsevier Astrocaryum aculeatum Elsevier Vapor adsorption kinetic Elsevier Freeze-drying Elsevier Sorption isotherms Elsevier de L. Santos, Carolina oth Mar, Josiana M. oth Kluczkovski, Ariane M. oth de A. Figueiredo, Jayne oth Borges, Soraia V. oth Bakry, Amr M. oth Sanches, Edgar A. oth Campelo, Pedro H. oth Enthalten in Elsevier Ziyaee, Maryam ELSEVIER Assessment of urban identity through a matrix of cultural landscapes 2017 an official journal of the Swiss Society of Food Science and Technology (SGLWT/SOSSTA) and the International Union of Food Science and Technology (IUFoST) Amsterdam [u.a.] (DE-627)ELV004078675 volume:94 year:2018 pages:79-86 extent:8 https://doi.org/10.1016/j.lwt.2018.04.047 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO 74.12 Stadtgeographie Siedlungsgeographie VZ 74.72 Stadtplanung kommunale Planung VZ AR 94 2018 79-86 8 045F 660 |
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10.1016/j.lwt.2018.04.047 doi GBV00000000000243A.pica (DE-627)ELV043221254 (ELSEVIER)S0023-6438(18)30353-0 DE-627 ger DE-627 rakwb eng 660 660 DE-600 690 VZ 74.12 bkl 74.72 bkl Silva, Renata S. verfasserin aut Physicochemical properties of tucumã (Astrocaryum aculeatum) powders with different carbohydrate biopolymers 2018transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 ratio. The microparticles were obtained from freeze-drying of the tucumã solutions. The pulp composition, physicochemical properties (moisture content, water activity, size and morphology) of the microparticles, sorption isotherms, water adsorption kinetics, thermogravimetrics (TGA) and content of different bioactive compounds (antioxidant, phenolic compounds, carotenoids and vitamin A) were all analyzed. The powders presented typical morphology of products dehydrated by freeze drying, with vacuoles and surface defects of the microparticles. The DX treatment showed lower hygroscopic behavior, favoring the stability of the tucumã powder. Better bioactive compound retention values were observed for microparticles with modified starches. GA and MD showed better thermal resistance compared to modified starches. In general, the biopolymers showed good maintenance of the bioactive compounds of the encapsulated tucumã. This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 ratio. The microparticles were obtained from freeze-drying of the tucumã solutions. The pulp composition, physicochemical properties (moisture content, water activity, size and morphology) of the microparticles, sorption isotherms, water adsorption kinetics, thermogravimetrics (TGA) and content of different bioactive compounds (antioxidant, phenolic compounds, carotenoids and vitamin A) were all analyzed. The powders presented typical morphology of products dehydrated by freeze drying, with vacuoles and surface defects of the microparticles. The DX treatment showed lower hygroscopic behavior, favoring the stability of the tucumã powder. Better bioactive compound retention values were observed for microparticles with modified starches. GA and MD showed better thermal resistance compared to modified starches. In general, the biopolymers showed good maintenance of the bioactive compounds of the encapsulated tucumã. Thermogravimetric analysis Elsevier Astrocaryum aculeatum Elsevier Vapor adsorption kinetic Elsevier Freeze-drying Elsevier Sorption isotherms Elsevier de L. Santos, Carolina oth Mar, Josiana M. oth Kluczkovski, Ariane M. oth de A. Figueiredo, Jayne oth Borges, Soraia V. oth Bakry, Amr M. oth Sanches, Edgar A. oth Campelo, Pedro H. oth Enthalten in Elsevier Ziyaee, Maryam ELSEVIER Assessment of urban identity through a matrix of cultural landscapes 2017 an official journal of the Swiss Society of Food Science and Technology (SGLWT/SOSSTA) and the International Union of Food Science and Technology (IUFoST) Amsterdam [u.a.] (DE-627)ELV004078675 volume:94 year:2018 pages:79-86 extent:8 https://doi.org/10.1016/j.lwt.2018.04.047 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO 74.12 Stadtgeographie Siedlungsgeographie VZ 74.72 Stadtplanung kommunale Planung VZ AR 94 2018 79-86 8 045F 660 |
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10.1016/j.lwt.2018.04.047 doi GBV00000000000243A.pica (DE-627)ELV043221254 (ELSEVIER)S0023-6438(18)30353-0 DE-627 ger DE-627 rakwb eng 660 660 DE-600 690 VZ 74.12 bkl 74.72 bkl Silva, Renata S. verfasserin aut Physicochemical properties of tucumã (Astrocaryum aculeatum) powders with different carbohydrate biopolymers 2018transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 ratio. The microparticles were obtained from freeze-drying of the tucumã solutions. The pulp composition, physicochemical properties (moisture content, water activity, size and morphology) of the microparticles, sorption isotherms, water adsorption kinetics, thermogravimetrics (TGA) and content of different bioactive compounds (antioxidant, phenolic compounds, carotenoids and vitamin A) were all analyzed. The powders presented typical morphology of products dehydrated by freeze drying, with vacuoles and surface defects of the microparticles. The DX treatment showed lower hygroscopic behavior, favoring the stability of the tucumã powder. Better bioactive compound retention values were observed for microparticles with modified starches. GA and MD showed better thermal resistance compared to modified starches. In general, the biopolymers showed good maintenance of the bioactive compounds of the encapsulated tucumã. This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 ratio. The microparticles were obtained from freeze-drying of the tucumã solutions. The pulp composition, physicochemical properties (moisture content, water activity, size and morphology) of the microparticles, sorption isotherms, water adsorption kinetics, thermogravimetrics (TGA) and content of different bioactive compounds (antioxidant, phenolic compounds, carotenoids and vitamin A) were all analyzed. The powders presented typical morphology of products dehydrated by freeze drying, with vacuoles and surface defects of the microparticles. The DX treatment showed lower hygroscopic behavior, favoring the stability of the tucumã powder. Better bioactive compound retention values were observed for microparticles with modified starches. GA and MD showed better thermal resistance compared to modified starches. In general, the biopolymers showed good maintenance of the bioactive compounds of the encapsulated tucumã. Thermogravimetric analysis Elsevier Astrocaryum aculeatum Elsevier Vapor adsorption kinetic Elsevier Freeze-drying Elsevier Sorption isotherms Elsevier de L. Santos, Carolina oth Mar, Josiana M. oth Kluczkovski, Ariane M. oth de A. Figueiredo, Jayne oth Borges, Soraia V. oth Bakry, Amr M. oth Sanches, Edgar A. oth Campelo, Pedro H. oth Enthalten in Elsevier Ziyaee, Maryam ELSEVIER Assessment of urban identity through a matrix of cultural landscapes 2017 an official journal of the Swiss Society of Food Science and Technology (SGLWT/SOSSTA) and the International Union of Food Science and Technology (IUFoST) Amsterdam [u.a.] (DE-627)ELV004078675 volume:94 year:2018 pages:79-86 extent:8 https://doi.org/10.1016/j.lwt.2018.04.047 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO 74.12 Stadtgeographie Siedlungsgeographie VZ 74.72 Stadtplanung kommunale Planung VZ AR 94 2018 79-86 8 045F 660 |
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10.1016/j.lwt.2018.04.047 doi GBV00000000000243A.pica (DE-627)ELV043221254 (ELSEVIER)S0023-6438(18)30353-0 DE-627 ger DE-627 rakwb eng 660 660 DE-600 690 VZ 74.12 bkl 74.72 bkl Silva, Renata S. verfasserin aut Physicochemical properties of tucumã (Astrocaryum aculeatum) powders with different carbohydrate biopolymers 2018transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 ratio. The microparticles were obtained from freeze-drying of the tucumã solutions. The pulp composition, physicochemical properties (moisture content, water activity, size and morphology) of the microparticles, sorption isotherms, water adsorption kinetics, thermogravimetrics (TGA) and content of different bioactive compounds (antioxidant, phenolic compounds, carotenoids and vitamin A) were all analyzed. The powders presented typical morphology of products dehydrated by freeze drying, with vacuoles and surface defects of the microparticles. The DX treatment showed lower hygroscopic behavior, favoring the stability of the tucumã powder. Better bioactive compound retention values were observed for microparticles with modified starches. GA and MD showed better thermal resistance compared to modified starches. In general, the biopolymers showed good maintenance of the bioactive compounds of the encapsulated tucumã. This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 ratio. The microparticles were obtained from freeze-drying of the tucumã solutions. The pulp composition, physicochemical properties (moisture content, water activity, size and morphology) of the microparticles, sorption isotherms, water adsorption kinetics, thermogravimetrics (TGA) and content of different bioactive compounds (antioxidant, phenolic compounds, carotenoids and vitamin A) were all analyzed. The powders presented typical morphology of products dehydrated by freeze drying, with vacuoles and surface defects of the microparticles. The DX treatment showed lower hygroscopic behavior, favoring the stability of the tucumã powder. Better bioactive compound retention values were observed for microparticles with modified starches. GA and MD showed better thermal resistance compared to modified starches. In general, the biopolymers showed good maintenance of the bioactive compounds of the encapsulated tucumã. Thermogravimetric analysis Elsevier Astrocaryum aculeatum Elsevier Vapor adsorption kinetic Elsevier Freeze-drying Elsevier Sorption isotherms Elsevier de L. Santos, Carolina oth Mar, Josiana M. oth Kluczkovski, Ariane M. oth de A. Figueiredo, Jayne oth Borges, Soraia V. oth Bakry, Amr M. oth Sanches, Edgar A. oth Campelo, Pedro H. oth Enthalten in Elsevier Ziyaee, Maryam ELSEVIER Assessment of urban identity through a matrix of cultural landscapes 2017 an official journal of the Swiss Society of Food Science and Technology (SGLWT/SOSSTA) and the International Union of Food Science and Technology (IUFoST) Amsterdam [u.a.] (DE-627)ELV004078675 volume:94 year:2018 pages:79-86 extent:8 https://doi.org/10.1016/j.lwt.2018.04.047 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO 74.12 Stadtgeographie Siedlungsgeographie VZ 74.72 Stadtplanung kommunale Planung VZ AR 94 2018 79-86 8 045F 660 |
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Silva, Renata S. |
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physicochemical properties of tucumã (astrocaryum aculeatum) powders with different carbohydrate biopolymers |
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Physicochemical properties of tucumã (Astrocaryum aculeatum) powders with different carbohydrate biopolymers |
| abstract |
This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 ratio. The microparticles were obtained from freeze-drying of the tucumã solutions. The pulp composition, physicochemical properties (moisture content, water activity, size and morphology) of the microparticles, sorption isotherms, water adsorption kinetics, thermogravimetrics (TGA) and content of different bioactive compounds (antioxidant, phenolic compounds, carotenoids and vitamin A) were all analyzed. The powders presented typical morphology of products dehydrated by freeze drying, with vacuoles and surface defects of the microparticles. The DX treatment showed lower hygroscopic behavior, favoring the stability of the tucumã powder. Better bioactive compound retention values were observed for microparticles with modified starches. GA and MD showed better thermal resistance compared to modified starches. In general, the biopolymers showed good maintenance of the bioactive compounds of the encapsulated tucumã. |
| abstractGer |
This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 ratio. The microparticles were obtained from freeze-drying of the tucumã solutions. The pulp composition, physicochemical properties (moisture content, water activity, size and morphology) of the microparticles, sorption isotherms, water adsorption kinetics, thermogravimetrics (TGA) and content of different bioactive compounds (antioxidant, phenolic compounds, carotenoids and vitamin A) were all analyzed. The powders presented typical morphology of products dehydrated by freeze drying, with vacuoles and surface defects of the microparticles. The DX treatment showed lower hygroscopic behavior, favoring the stability of the tucumã powder. Better bioactive compound retention values were observed for microparticles with modified starches. GA and MD showed better thermal resistance compared to modified starches. In general, the biopolymers showed good maintenance of the bioactive compounds of the encapsulated tucumã. |
| abstract_unstemmed |
This work investigated the physico-chemical properties of tucumã pulp (Astrocaryum aculeatum) encapsulated with different biopolymers. Gum arabic, Maltodextrin, Dextrin (Capsul®) and Modified Starch (SnowFlake®) were used as wall material. The pulp/wall material solution was prepared in an 85:15 ratio. The microparticles were obtained from freeze-drying of the tucumã solutions. The pulp composition, physicochemical properties (moisture content, water activity, size and morphology) of the microparticles, sorption isotherms, water adsorption kinetics, thermogravimetrics (TGA) and content of different bioactive compounds (antioxidant, phenolic compounds, carotenoids and vitamin A) were all analyzed. The powders presented typical morphology of products dehydrated by freeze drying, with vacuoles and surface defects of the microparticles. The DX treatment showed lower hygroscopic behavior, favoring the stability of the tucumã powder. Better bioactive compound retention values were observed for microparticles with modified starches. GA and MD showed better thermal resistance compared to modified starches. In general, the biopolymers showed good maintenance of the bioactive compounds of the encapsulated tucumã. |
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Physicochemical properties of tucumã (Astrocaryum aculeatum) powders with different carbohydrate biopolymers |
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de L. Santos, Carolina Mar, Josiana M. Kluczkovski, Ariane M. de A. Figueiredo, Jayne Borges, Soraia V. Bakry, Amr M. Sanches, Edgar A. Campelo, Pedro H. |
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de L. Santos, Carolina Mar, Josiana M. Kluczkovski, Ariane M. de A. Figueiredo, Jayne Borges, Soraia V. Bakry, Amr M. Sanches, Edgar A. Campelo, Pedro H. |
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