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Effect of drying techniques on yield, nutritional, minerals of wild banana pulp (Musa balbisiana Colla): physicochemical and morphological characterization thereof

Twinkle Borah (Agrotechnology and Rural Development Division, CSIR-North East Institute of Science and Technology, Jorhat, India) (Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India)
Nooreen Washmin (Agrotechnology and Rural Development Division, CSIR-North East Institute of Science and Technology, Jorhat, India) (Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India)
Nayan Jyoti Bora (Engineering Sciences and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat, India)
Jadumoni Saikia (Agrotechnology and Rural Development Division, CSIR-North East Institute of Science and Technology, Jorhat, India)
Padma Sangmu Bomzon (Agrotechnology and Rural Development Division, CSIR-North East Institute of Science and Technology, Jorhat, India) (Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India) (Department of Nutrition, Raja Narendra Lal Khan Women's College- Gope College, Medinipur, India)
Tobiul Hussain Ahmed (Engineering Sciences and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat, India)
Prasenjit Manna (Biological Sciences and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat, India) (Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India)
Siddhartha Proteem Saikia (Agrotechnology and Rural Development Division, CSIR-North East Institute of Science and Technology, Jorhat, India) (Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India)
Dipanwita Banik (Agrotechnology and Rural Development Division, CSIR-North East Institute of Science and Technology, Jorhat, India) (Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India)

British Food Journal

ISSN: 0007-070X

Article publication date: 30 April 2021

Issue publication date: 22 October 2021

499

Abstract

Purpose

The study was aimed to compare the effect of three drying techniques viz., spray, freeze and hot air oven (HAO) drying on yield, nutritional parameters, minerals and physicochemical and morphological characterization of wild banana pulp (Musa balbisiana Colla).

Design/methodology/approach

Contents of carbohydrate was estimated by Anthrone reagent, protein by Kjeldahl, fat by Soxhlet, dietary fiber and ash by Association of Official Analytical Chemists (AOAC), minerals by Atomic Absorption Spectrophotometry, gross calorific value by Bomb calorimeter, moisture by moisture analyzer, water activity by water activity meter, morphological characterization by Scanning Electron Microscopy (SEM), statistical level of significance at p < 0.05 by ANOVA, predictive modeling by simple and multiple linear regression.

Findings

Freeze and HAO drying were standardized with matured (stage 2) and spray drying with ripe bananas (stage 6). Freeze drying showed highest yield (76.69 ± 0.15%), minerals viz., K (1175.67 ± 1.41), Fe (2.27 ± 0.09), Mg (120.33 ± 0.47), Mn (4.40 ± 0.28) mg/100 g, protein (7.53 ± 0.14%), lesser moisture (7.95 ± 0.01%), water activity (0.17 ± 0.02aw), hygroscopicity (6.37 ± 1.09%), well dispersed particles by SEM. HAO drying exhibited highest dietary fiber (18.95 ± 0.24%), gross calorific value 357.17 kcal/100 gm, higher solubility (47.22 ± 0.86%). Spray drying showed highest carbohydrate (85.29 ± 0.01%), lowest yield (28.26 ± 0.32%), required 30.5% adjuncts.

Research limitations/implications

Effect of three drying techniques and use of adjuncts were not uniform for ripe and matured bananas.

Practical implications

Commercial utilization of seeded wild banana.

Social implications

Value addition of wild banana in Assam, India

Originality/value

Freeze drying of mature wild banana pulp (M. balbisiana) was found as best technique utilizing lesser energy.

Keywords

Acknowledgements

The study was funded by CSIR, Govt. of India, New Delhi under CSIR Mission on Nutraceuticals and Nutritionals (HCP0019) during 2018–2020. TB, NW and PSB acknowledge AcSIR, Ghaziabad-201002, Uttar Pradesh, India and CSIR-NEIST, Jorhat-785006, Assam, India for the opportunity. All the authors acknowledge Dr Binoy Saikia, Senior Scientist, CSIR-NEIST for the support to generate the Gross Calorific Value and Director, CSIR-NEIST (NMN-202018) for the overall support.Compliance with Ethical StandardsAuthor's contributions: All the data were generated at CSIR-NEIST. NW and TB have contributed equally and conducted the major part of the experiments and written the manuscript. NJB has conducted the rest experiments. JS identified the species. PM, PSB, THA and SPS have helped to conduct the experiments. DB conceptualized the whole project and designed the entire study, verified all the information and edited the final manuscript.Conflicts of interests: The authors have declared that there is no conflict of interests.

Citation

Borah, T., Washmin, N., Bora, N.J., Saikia, J., Bomzon, P.S., Ahmed, T.H., Manna, P., Saikia, S.P. and Banik, D. (2021), "Effect of drying techniques on yield, nutritional, minerals of wild banana pulp (Musa balbisiana Colla): physicochemical and morphological characterization thereof", British Food Journal, Vol. 123 No. 11, pp. 3624-3637. https://doi.org/10.1108/BFJ-10-2020-0969

Publisher

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Emerald Publishing Limited

Copyright © 2021, Emerald Publishing Limited

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