Effects of Different Variables on Weight Loss of Onions in Microclimate Structure

Y.M. Bukar; L.G. Abubakar; B.G Jahun; Abdurazak Muhammad; Ahmed A.Sarafadeen

doi:10.56201/ijaes.v10.no8.2024.pg.55.66

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Effects of Different Variables on Weight Loss of Onions in Microclimate Structure

Y.M. Bukar, L.G. Abubakar, B.G Jahun, Abdurazak Muhammad, Ahmed A.Sarafadeen

Abstract

An onion bulb storage structure with controlled mechanisms was designed and constructed in Dadin-kowa, Gombe State, Nigeria to reduced post-harvest losses by controlling temperature and relative humidity over a period of 60 days .The structure was made of mild steel of 0.4m for strength and durability, while the inner wall was made of MFB wood 18mm for insulation. Extractor fans and heating bulbs were used for temperature and relative humidity control and also for ventilation, while Arduino Uno and micro controller were used for automated control. Three compartment with different temperature and relative humidity in sealed storage compartments were studied presenting a novel approach to onion storage. Temperature at three levels (25°C, 30°C, and 35°C), three relative humidity levels (60%, 65%, and 70%), and a 60 days’ time frame with an interval of seven days are considered, resulting in a set of 54 treatments . The experiment was carried out as a factorial in a completely randomised design. Key findings revealed temperature and time had significant effects on weight loss. The interaction between temperature and time showed a consistent increase in weight loss, emphasizing the importance of managing these factors for prolonged storage. Internal and external temperature, relative humidity within and outside the structure were monitored and the physiological weight loss were recorded every at seven days interval. Data obtained were subjected to ANOVA to compare the mean difference. Onions stored in compartment 1with 25oC and 65% relative humidity combination had a lowest physiological loss in weight of 32%, while compartment 3 with 35oC and 70% relative humidity combination had 70% of highest loss in weight .This study concluded that the design needs ventilation and roofing material that would aid significantly in the control of both temperature and relative humidity within the storage, hence the structure has been able to re

Keywords

OnionsRelative HumidityTemperatureWeight LossControl

References

Ahsanuzzaman, M., Sarker, M. M., Hassan, R., Muqit, A., & Doullah, M. A. (2017). Assessment of weight loss of onion in storage due to fungi. J. Sylhet Agril. Univ, 4(1), 95-100. Arung, E. T., Furuta, S., Ishikawa, H., Tanaka, H., Shimizu, K., & Kondo, R. (2011). Melanin biosynthesis inhibitory and antioxidant activities of quercetin-3’-O-beta-D-glucoside isolated from allium cepa. Zeitschrift für Naturforschung C, 66, 0209. https://doi.org/10.5560/znc.2011.66c0209 Audu, E. B., Audu, H. O., Bimbo, N. L., & Gana, J. N. (2013). Climate change and its implication on Agriculture in Nigeria. Abuja Journal of Geography, 3(2), 1-15. Biswas, S. K., .sarker, P. K., .Bhuiyan, A. M., .Mazharul, M. A., & ., B. K. (2010). Effect of irrigation on onion production. Pakistan Journal of Biological Sciences, 6(20), 1725- https://doi.org/10.3923/pjbs.2003.1725.1728 Bukar Y. M, Abubakar L.G, Jahun B.G (2023) ONION STORAGE STRUCTURES IN NIGERIA: A REVIEW OF THE CURRENT STATUS, CONSTRAINTS AND A MODEL FOR FUTURE PROSPECTS. Nigerian Journal of Horticultural Science ISSN 1118-2733 Vol. 27 (1) (2023) © Horticultural Society of Nigeria, 2023 Fumen, G. A., Osude, Z. D., & Yusuf, T. A. (2017). Effect of storage structure on design on onion bulb. Nigerian Journal of Agricultural Extension, 18(3), 83-94. Islam, M. N., Wang, A., Pedersen, J. S., Sørensen, J. N., Körner, O., & Edelenbos, M. (2019). Online measurement of temperature and relative humidity as marker tools for quality changes in onion bulbs during storage. PLOS ONE, 14(1), e0210577. https://doi.org/10.1371/journal.pone.0210577 Karanja, E. K., KimaniMutiri, S. N., & Njenga, F. W. (2020). Improving Onion Storage Techniques for Sub-Saharan Africa: A Review. Advances in Integrated Soil Fertility Management in sub-Saharan Africa: Challenges and Opportunities. https://doi.org/10.1007/978-1-4020-5760-1_45 Lord Abbey, Danquah OA, Kanton RA, K and Nana SO. (2000) Characteristics and storage performance of eight onion cultivars. Ghana Journal of Science.; 40. Roy,S.K.,chakrabarti A.K.,(2002) Post-Harvest Management and Processing of Onion and Garlic Journal of food science technology,productionand-reducing-postharvest-losses- of-onion-in-nigeria Tripathi, P. C., & Lawande, K. E. (2019). Top and bottom ventilated onion storage structure. Technical Bulletin No.11, NRC Onion and Garlic, Rajgurunagar, 6. Wolelaw, D., Abaye, M., Demissew, A., & Ambaye, T. (2014). Storage performance of naturally ventilated structure for onion bulbs. Agric Eng Int: CIGR Journal, 16397.

Effects of Different Variables on Weight Loss of Onions in Microclimate Structure

Abstract

Keywords

References

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