Chemical and physical characterization of Konjac glucomannan-based powders by FTIR and 13C MAS NMR

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Chemical and physical characterization of Konjac glucomannan-based powders by FTIR and 13C MAS NMR. / Da Silva, Denise Felix; Ogawa, Camilla Yara Langer; Sato, Francielle; Neto, Antonio Medina; Larsen, Flemming Hofmann; Matumoto-Pintro, Paula Toshimi.

In: Powder Technology, Vol. 361, 2020, p. 610-616.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Da Silva, DF, Ogawa, CYL, Sato, F, Neto, AM, Larsen, FH & Matumoto-Pintro, PT 2020, 'Chemical and physical characterization of Konjac glucomannan-based powders by FTIR and 13C MAS NMR', Powder Technology, vol. 361, pp. 610-616. https://doi.org/10.1016/j.powtec.2019.11.071

APA

Da Silva, D. F., Ogawa, C. Y. L., Sato, F., Neto, A. M., Larsen, F. H., & Matumoto-Pintro, P. T. (2020). Chemical and physical characterization of Konjac glucomannan-based powders by FTIR and 13C MAS NMR. Powder Technology, 361, 610-616. https://doi.org/10.1016/j.powtec.2019.11.071

Vancouver

Da Silva DF, Ogawa CYL, Sato F, Neto AM, Larsen FH, Matumoto-Pintro PT. Chemical and physical characterization of Konjac glucomannan-based powders by FTIR and 13C MAS NMR. Powder Technology. 2020;361:610-616. https://doi.org/10.1016/j.powtec.2019.11.071

Author

Da Silva, Denise Felix ; Ogawa, Camilla Yara Langer ; Sato, Francielle ; Neto, Antonio Medina ; Larsen, Flemming Hofmann ; Matumoto-Pintro, Paula Toshimi. / Chemical and physical characterization of Konjac glucomannan-based powders by FTIR and 13C MAS NMR. In: Powder Technology. 2020 ; Vol. 361. pp. 610-616.

Bibtex

@article{6181fd388c30456d99859125f5cd61a3,
title = "Chemical and physical characterization of Konjac glucomannan-based powders by FTIR and 13C MAS NMR",
abstract = "Konjac glucomannan (KGM) is extracted from Amorphophallus konjac tuber and composed of β-1,4 linked D-mannose and D-glucose. We aimed to produce and characterize KGM-based powders manufactured from dried (55°C-KF55 and 75°C-KF75) konjac tubers and compare to a commercial konjac glucomannan (CKG) powder. Structural characteristics on molecular, compositional, and microstructure levels as well as rehydration properties were assessed. Both compositional analysis as well as FTIR and 13C MAS NMR spectral analysis demonstrated a higher amount of protein than KF55 sample. The ratio between the two monomer units (D-mannose and D-glucose) was 1.6:1 in KF75, whereas it was 1.4:1 and 1.2:1 for KF55 and CKG, respectively, indicating slightly higher Man:Glc ratios in the KF samples. Decreased rehydration properties and flow index behavior (in solution) were observed in the konjac flours. Thus, differences were significant; konjac flours also presented good functionality, thereby, a good alternative to be used as hydrocolloid in food formulations.",
keywords = "Amorphophallus konjac, FTIR, Glucomannan, Konjac flour, NMR",
author = "{Da Silva}, {Denise Felix} and Ogawa, {Camilla Yara Langer} and Francielle Sato and Neto, {Antonio Medina} and Larsen, {Flemming Hofmann} and Matumoto-Pintro, {Paula Toshimi}",
year = "2020",
doi = "10.1016/j.powtec.2019.11.071",
language = "English",
volume = "361",
pages = "610--616",
journal = "Powder Technology",
issn = "0032-5910",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Chemical and physical characterization of Konjac glucomannan-based powders by FTIR and 13C MAS NMR

AU - Da Silva, Denise Felix

AU - Ogawa, Camilla Yara Langer

AU - Sato, Francielle

AU - Neto, Antonio Medina

AU - Larsen, Flemming Hofmann

AU - Matumoto-Pintro, Paula Toshimi

PY - 2020

Y1 - 2020

N2 - Konjac glucomannan (KGM) is extracted from Amorphophallus konjac tuber and composed of β-1,4 linked D-mannose and D-glucose. We aimed to produce and characterize KGM-based powders manufactured from dried (55°C-KF55 and 75°C-KF75) konjac tubers and compare to a commercial konjac glucomannan (CKG) powder. Structural characteristics on molecular, compositional, and microstructure levels as well as rehydration properties were assessed. Both compositional analysis as well as FTIR and 13C MAS NMR spectral analysis demonstrated a higher amount of protein than KF55 sample. The ratio between the two monomer units (D-mannose and D-glucose) was 1.6:1 in KF75, whereas it was 1.4:1 and 1.2:1 for KF55 and CKG, respectively, indicating slightly higher Man:Glc ratios in the KF samples. Decreased rehydration properties and flow index behavior (in solution) were observed in the konjac flours. Thus, differences were significant; konjac flours also presented good functionality, thereby, a good alternative to be used as hydrocolloid in food formulations.

AB - Konjac glucomannan (KGM) is extracted from Amorphophallus konjac tuber and composed of β-1,4 linked D-mannose and D-glucose. We aimed to produce and characterize KGM-based powders manufactured from dried (55°C-KF55 and 75°C-KF75) konjac tubers and compare to a commercial konjac glucomannan (CKG) powder. Structural characteristics on molecular, compositional, and microstructure levels as well as rehydration properties were assessed. Both compositional analysis as well as FTIR and 13C MAS NMR spectral analysis demonstrated a higher amount of protein than KF55 sample. The ratio between the two monomer units (D-mannose and D-glucose) was 1.6:1 in KF75, whereas it was 1.4:1 and 1.2:1 for KF55 and CKG, respectively, indicating slightly higher Man:Glc ratios in the KF samples. Decreased rehydration properties and flow index behavior (in solution) were observed in the konjac flours. Thus, differences were significant; konjac flours also presented good functionality, thereby, a good alternative to be used as hydrocolloid in food formulations.

KW - Amorphophallus konjac

KW - FTIR

KW - Glucomannan

KW - Konjac flour

KW - NMR

U2 - 10.1016/j.powtec.2019.11.071

DO - 10.1016/j.powtec.2019.11.071

M3 - Journal article

AN - SCOPUS:85075875226

VL - 361

SP - 610

EP - 616

JO - Powder Technology

JF - Powder Technology

SN - 0032-5910

ER -

ID: 235853216