Elemental analysis and enzymes inhibitory potential of the soybean and soy products available in Nepal

The production and consumption of soybean and soy products, characterized by high nutritional values are augmenting. Particularly, Asians consume soy foods on daily basis in several forms. In this study, we evaluated the elemental contents, phenolics, antioxidants, and enzyme inhibitory potential of...

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Main Authors: Suman Prakash Pradhan, Ashok GC, Prayon Joshi, Bishnu Prasad Pandey
Format: Article
Language:English
Published: Elsevier 2023-06-01
Series:Journal of Agriculture and Food Research
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2666154323000819
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author Suman Prakash Pradhan
Ashok GC
Prayon Joshi
Bishnu Prasad Pandey
author_facet Suman Prakash Pradhan
Ashok GC
Prayon Joshi
Bishnu Prasad Pandey
author_sort Suman Prakash Pradhan
collection DOAJ
description The production and consumption of soybean and soy products, characterized by high nutritional values are augmenting. Particularly, Asians consume soy foods on daily basis in several forms. In this study, we evaluated the elemental contents, phenolics, antioxidants, and enzyme inhibitory potential of white soybean, black soybean, brown soybean, tofu, and soya chunks collected freshly from the agricultural field and Nepali market. Metal ions content was analyzed by the direct air-acetylene method. Antioxidant potential was evaluated by DPPH scavenging and Ferric Ion Reduction Assay. Enzymes; alpha-glucosidase, tyrosinase, acetylcholinesterase, and butyrylcholinesterase inhibition were evaluated by using specific substrates. Among the analyzed soybeans and soy products, soya chunks revealed the highest amount of sodium (Na), magnesium (Mg), iron (Fe), manganese (Mn), copper (Cu), and chromium (Cr). Three principal components are defined by 97% variance with a major contribution of potassium (K), Mg, Fe, Cr, cadmium (Cd), and Cu. The methanol (80%) and ethanol (50%) extracts exhibited noteworthy flavonoids and phenolic content. Moreover, these crude extracts showed substantial antioxidant potential with a maximum of 62.17 ± 1.28% DPPH scavenging and 65.80 ± 0.24% ferric ions reduction. Further, the examined extracts revealed the noteworthy α-glucosidase, tyrosinase, acetylcholinesterase, and butyrylcholinesterase inhibition with highest of 71.54 ± 0.09, 78.85 ± 2.42, 73.04 ± 0.25, and 56.16 ± 0.06% inhibition correspondingly. Among the analyzed samples, tofu revealed essential elemental content and revealed good enzyme inhibitory potential. Among the analyzed soy sample, soy chunk extracts revealed relatively weak biological activities evident by least radical scavenging and enzyme inhibition. This study revealed the potential of soybeans and soy products in antioxidant and enzyme inhibition. Further study on the molecular mechanism underlying these activities is recommended.
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spelling doaj.art-e066528030bb40bfb0a3d84b2332863d2023-05-21T04:35:43ZengElsevierJournal of Agriculture and Food Research2666-15432023-06-0112100574Elemental analysis and enzymes inhibitory potential of the soybean and soy products available in NepalSuman Prakash Pradhan0Ashok GC1Prayon Joshi2Bishnu Prasad Pandey3Department of Environmental Science and Engineering, Kathmandu University, Dhulikhel, Nepal; Aquatic Ecology Centre, Kathmandu University, Dhulikhel, Nepal; Corresponding author. Department of Environmental Science and Engineering, Kathmandu University, Dhulikhel, Nepal.Department of Chemical Science and Engineering, Kathmandu University, Dhulikhel, NepalAquatic Ecology Centre, Kathmandu University, Dhulikhel, Nepal; Nepal Open University, Lalitpur, NepalDepartment of Chemical Science and Engineering, Kathmandu University, Dhulikhel, Nepal; Corresponding author. Department of Chemical Science and Engineering, Kathmandu University, Dhulikhel, Nepal.The production and consumption of soybean and soy products, characterized by high nutritional values are augmenting. Particularly, Asians consume soy foods on daily basis in several forms. In this study, we evaluated the elemental contents, phenolics, antioxidants, and enzyme inhibitory potential of white soybean, black soybean, brown soybean, tofu, and soya chunks collected freshly from the agricultural field and Nepali market. Metal ions content was analyzed by the direct air-acetylene method. Antioxidant potential was evaluated by DPPH scavenging and Ferric Ion Reduction Assay. Enzymes; alpha-glucosidase, tyrosinase, acetylcholinesterase, and butyrylcholinesterase inhibition were evaluated by using specific substrates. Among the analyzed soybeans and soy products, soya chunks revealed the highest amount of sodium (Na), magnesium (Mg), iron (Fe), manganese (Mn), copper (Cu), and chromium (Cr). Three principal components are defined by 97% variance with a major contribution of potassium (K), Mg, Fe, Cr, cadmium (Cd), and Cu. The methanol (80%) and ethanol (50%) extracts exhibited noteworthy flavonoids and phenolic content. Moreover, these crude extracts showed substantial antioxidant potential with a maximum of 62.17 ± 1.28% DPPH scavenging and 65.80 ± 0.24% ferric ions reduction. Further, the examined extracts revealed the noteworthy α-glucosidase, tyrosinase, acetylcholinesterase, and butyrylcholinesterase inhibition with highest of 71.54 ± 0.09, 78.85 ± 2.42, 73.04 ± 0.25, and 56.16 ± 0.06% inhibition correspondingly. Among the analyzed samples, tofu revealed essential elemental content and revealed good enzyme inhibitory potential. Among the analyzed soy sample, soy chunk extracts revealed relatively weak biological activities evident by least radical scavenging and enzyme inhibition. This study revealed the potential of soybeans and soy products in antioxidant and enzyme inhibition. Further study on the molecular mechanism underlying these activities is recommended.http://www.sciencedirect.com/science/article/pii/S2666154323000819Radical scavengingEnzyme inhibitionMetal ionsNutraceuticalsSoya products
spellingShingle Suman Prakash Pradhan
Ashok GC
Prayon Joshi
Bishnu Prasad Pandey
Elemental analysis and enzymes inhibitory potential of the soybean and soy products available in Nepal
Journal of Agriculture and Food Research
Radical scavenging
Enzyme inhibition
Metal ions
Nutraceuticals
Soya products
title Elemental analysis and enzymes inhibitory potential of the soybean and soy products available in Nepal
title_full Elemental analysis and enzymes inhibitory potential of the soybean and soy products available in Nepal
title_fullStr Elemental analysis and enzymes inhibitory potential of the soybean and soy products available in Nepal
title_full_unstemmed Elemental analysis and enzymes inhibitory potential of the soybean and soy products available in Nepal
title_short Elemental analysis and enzymes inhibitory potential of the soybean and soy products available in Nepal
title_sort elemental analysis and enzymes inhibitory potential of the soybean and soy products available in nepal
topic Radical scavenging
Enzyme inhibition
Metal ions
Nutraceuticals
Soya products
url http://www.sciencedirect.com/science/article/pii/S2666154323000819
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AT bishnuprasadpandey elementalanalysisandenzymesinhibitorypotentialofthesoybeanandsoyproductsavailableinnepal