Physico-mechanical characterization of different grades of Lotus rhizome (Nelumbo nucifera Gaertn) for valorisation and smart post-harvest management

The debilitated attention in post-harvest management of lotus rhizomes (Nelumbo nucifera Gaertn) is of serious concern to the food industry. Far too often, exposure to mechanical damage during post-harvest handling, transportation, and valorisation of lotus rhizomes scores low in its quality and lea...

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Autores principales:	Qazi A. Showkat, Darakshan Majid, H.A. Makroo, B.N. Dar
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Lotus rhizome Lotus physico-mechanical properties post-harvest management Lotus shear force compression TPA Food processing and manufacture TP368-456
Acceso en línea:	https://doaj.org/article/6db3ab58069a43f6b8ccbb576bf6c0eb
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spelling	oai:doaj.org-article:6db3ab58069a43f6b8ccbb576bf6c0eb2021-12-02T05:04:54ZPhysico-mechanical characterization of different grades of Lotus rhizome (Nelumbo nucifera Gaertn) for valorisation and smart post-harvest management2772-502210.1016/j.afres.2021.100002https://doaj.org/article/6db3ab58069a43f6b8ccbb576bf6c0eb2021-06-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2772502221000020https://doaj.org/toc/2772-5022The debilitated attention in post-harvest management of lotus rhizomes (Nelumbo nucifera Gaertn) is of serious concern to the food industry. Far too often, exposure to mechanical damage during post-harvest handling, transportation, and valorisation of lotus rhizomes scores low in its quality and leads to post-harvest losses, hence the detailed profiling of this biomaterial is much needed. In this study, the data for physical and mechanical/ engineering properties of lotus rhizomes of varying sizes were generated to facilitate its utilisation in designing post-harvest and processing machinery and also planning its processing and valorisation. Lotus rhizomes were classified into different sizes for assessing the requirement of grading and sorting devices in the future. The significant difference (P<0.05) in length, width, thickness, L, a, and b* values ranged from 16.02 to 39.00 cm, 1.13 to 3.50 mm, 1.03 to 3.30mm, 49.10 to 64.20, 5.90 to 2.80, 6.77 to 18.01 respectively, which indicates less wastage with the increase in sizes. Besides, colour saturation, colourfulness, and purity improve with the increase in rhizome size. The mechanical properties are also influenced by the presence of air canals (pores) in the rhizome compared to other cylindrical vegetables and also suggest that the rhizomes of different sizes should be handled separately. The minimum pressure forces during handling should be in the range of 9.28 to 80.57 N depending upon the size and the shear force ranged from 100.40 to 167.62 N which increased with the increase in the size of rhizomes. Similarly, hardness values of TPsA have increased with the increase in size. The results obtained from observing these properties potentials to be useful in reducing wastages and manage smart postharvest operations in the future.Qazi A. ShowkatDarakshan MajidH.A. MakrooB.N. DarElsevierarticleLotus rhizomeLotus physico-mechanical propertiespost-harvest managementLotus shear forcecompressionTPAFood processing and manufactureTP368-456ENApplied Food Research, Vol 1, Iss 1, Pp 100002- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Lotus rhizome Lotus physico-mechanical properties post-harvest management Lotus shear force compression TPA Food processing and manufacture TP368-456
spellingShingle	Lotus rhizome Lotus physico-mechanical properties post-harvest management Lotus shear force compression TPA Food processing and manufacture TP368-456 Qazi A. Showkat Darakshan Majid H.A. Makroo B.N. Dar Physico-mechanical characterization of different grades of Lotus rhizome (Nelumbo nucifera Gaertn) for valorisation and smart post-harvest management
description	The debilitated attention in post-harvest management of lotus rhizomes (Nelumbo nucifera Gaertn) is of serious concern to the food industry. Far too often, exposure to mechanical damage during post-harvest handling, transportation, and valorisation of lotus rhizomes scores low in its quality and leads to post-harvest losses, hence the detailed profiling of this biomaterial is much needed. In this study, the data for physical and mechanical/ engineering properties of lotus rhizomes of varying sizes were generated to facilitate its utilisation in designing post-harvest and processing machinery and also planning its processing and valorisation. Lotus rhizomes were classified into different sizes for assessing the requirement of grading and sorting devices in the future. The significant difference (P<0.05) in length, width, thickness, L, a, and b* values ranged from 16.02 to 39.00 cm, 1.13 to 3.50 mm, 1.03 to 3.30mm, 49.10 to 64.20, 5.90 to 2.80, 6.77 to 18.01 respectively, which indicates less wastage with the increase in sizes. Besides, colour saturation, colourfulness, and purity improve with the increase in rhizome size. The mechanical properties are also influenced by the presence of air canals (pores) in the rhizome compared to other cylindrical vegetables and also suggest that the rhizomes of different sizes should be handled separately. The minimum pressure forces during handling should be in the range of 9.28 to 80.57 N depending upon the size and the shear force ranged from 100.40 to 167.62 N which increased with the increase in the size of rhizomes. Similarly, hardness values of TPsA have increased with the increase in size. The results obtained from observing these properties potentials to be useful in reducing wastages and manage smart postharvest operations in the future.
format	article
author	Qazi A. Showkat Darakshan Majid H.A. Makroo B.N. Dar
author_facet	Qazi A. Showkat Darakshan Majid H.A. Makroo B.N. Dar
author_sort	Qazi A. Showkat
title	Physico-mechanical characterization of different grades of Lotus rhizome (Nelumbo nucifera Gaertn) for valorisation and smart post-harvest management
title_short	Physico-mechanical characterization of different grades of Lotus rhizome (Nelumbo nucifera Gaertn) for valorisation and smart post-harvest management
title_full	Physico-mechanical characterization of different grades of Lotus rhizome (Nelumbo nucifera Gaertn) for valorisation and smart post-harvest management
title_fullStr	Physico-mechanical characterization of different grades of Lotus rhizome (Nelumbo nucifera Gaertn) for valorisation and smart post-harvest management
title_full_unstemmed	Physico-mechanical characterization of different grades of Lotus rhizome (Nelumbo nucifera Gaertn) for valorisation and smart post-harvest management
title_sort	physico-mechanical characterization of different grades of lotus rhizome (nelumbo nucifera gaertn) for valorisation and smart post-harvest management
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/6db3ab58069a43f6b8ccbb576bf6c0eb
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Physico-mechanical characterization of different grades of Lotus rhizome (Nelumbo nucifera Gaertn) for valorisation and smart post-harvest management

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