Quality assessment of sprouted mung beans at various storage temperatures

Jump To References Section

Authors

  • ,IN
  • ,IN

DOI:

https://doi.org/10.21048/ijnd.2019.56.1.21370

Keywords:

Mung beans, sprouts, shelf life, storage, temperatures, quality
Nutrition

Abstract

The present study was conducted with an objective to assess the quality of sprouted mung beans stored at different temperatures. Mung beans sprouts were processed at laboratory in controlled conditions, packed in LDPE pouches and were stored at summer room temperature (SRT) (30-32°C), winter room temperature (WRT) (15-18°C) and refrigeration temperature (RT) (7°C). Shelf life studies were conducted periodically for physical, chemical and microbiological parameters for 5 days at their respective storage temperatures. During shelf life studies, several changes were observed in sprouted samples of mung beans. There was a significant (p<0.05) increase in shoot length of sprouted mung beans samples stored at SRT followed by WRT and RT. Decrease in moisture content was significantly (p<0.05) more at RT followed by WRT and SRT. Vitamin - C content increased significantly (p<0.05) up to 1st day of storage at SRT and WRT, with decrease thereafter. Whereas at RT significant (p<0.05) increase was observed till 2nd day of storage followed by decrease afterwards. Vitamin - C content retained better at RT (16.6%) followed by WRT (6.3 %), while at SRT loss of 6.9% was observed. Acidity increased significantly at all three storage temperatures followed by subsequent decrease. Microbial count in terms of total plate count, yeast and mold count was comparatively higher at SRT followed by WRT and RT, though within acceptable range, whereas Coliform count was not detected at any stage. Thus it can be concluded that at RT (7°C) within two days of storage, optimal retention of physicochemical and microbiological qualities are achieved.

Downloads

Download data is not yet available.

Metrics

Metrics Loading ...

Published

2019-01-22

How to Cite

Prabha, S., & Goomer, S. (2019). Quality assessment of sprouted mung beans at various storage temperatures. The Indian Journal of Nutrition and Dietetics, 56(1), 26–33. https://doi.org/10.21048/ijnd.2019.56.1.21370

Issue

Section

Original Articles
Received 2018-05-28
Accepted 2018-10-31
Published 2019-01-22

 

References

Singh, C., Yadav, B.S. Production potential of mung bean and gaps limiting its productivity in India. Asian Vegetable Research and Development Center, Shanhua, Taiwan, 1978.

Sharma, S., Saxena, A.K., Bakshi, A.K., Brar, J.S. Evaluation of different mung bean (vigna radiata) genotypes for physicochemical and cooking quality characteristics. Indian J Nutr Diet 2007, 44, 197–202.

Poehlman, J.M. The mung bean. Oxford & IBH Publishers, New Delhi, 1991.

Khattak, A.B., Zeb, A., Bibi, N., Khattak, M.S. Effect of germination time and type of illumination on proximate composition of chickpea seed (Cicer arietinum L.). American Journal Food Technology, 2008, 3, 1, 24–32

Goyal, A., Siddiqui, S., Upadhyay, N., Soni J. Effects of ultraviolet irradiation, pulsed electric field, hot water and ethanol vapours treatment on functional properties of mung bean sprouts. Journal of Food Science Technology 2011, 51, 708–714.

Mehta, P., Bedi, B. In vitro protein and starch digestibility in selected germinated legume flours. Indian J Nutr Diet 1993, 30, 149–153

Rajalakshmi, R., Sakariah, K.K. Applied Nutrition. 4th edition, 2013, Oxford & IBH Publishing Co. Pvt. Ltd. New Delhi.

Lipton, W.J., Asai, W.K., Fouse, D.C. Deterioration and CO2 and ethylene production of stored mung bean sprouts. J. Amer. Soc. Hort. Sci., 1981, 106, 6, 817-820.

DeEll, J.R., Vigneault, C., Favre, F. Vacuum cooling and storage temperature influence the quality of stored mung bean sprouts. Horticulture Science 2000, 35, 5, 891-893

Varoquaux, P., Albagnac, G., Nguyen, T.C., Varoquaux, F. Modified atmosphere packaging of fresh bean sprouts. J. Sci. Food. Agr. 1996, 70, 224-230.

EFSA Panel on Biological Hazards (BIOHAZ). Scientific opinion on the risk posed by Shiga toxin-producing Escherichia coli (STEC) and other pathogenic bacteria in seeds and sprouted seeds. EFSA J., 2011, 9, 1–101.

Rui, L. and Zhang, L.Y. Application of electrolyzed water on reducing the microbial populations on commercial mung bean sprouts. Journal Food Science Technology, 2017, 54, 4, 995–1001

IS: 5401(Part 1). General guidance for the enumeration of Coliforms, Bureau of Indian standards, Indian standard. N. Delhi, 2002.

AOAC. Official methods of analysis. Association of Official Analytical Chemists, Washington, DC, 1995.

IS: 5402. General guidance for the enumeration of microorganism-colony count technique at 30ËšC, Bureau of Indian Standard. Indian standard. N. Delhi, 2002.

IS: 5403. Method for yeast and mold count of foodstuffs and animal feeds, Bureau of Indian standards. Indian standard N. Delhi, 1999.

Alvarado, V., Bradford, K.J. A hydrothermal time model explains the cardinal temperatures for seed germination. Plant Cell Environment 2002, 25, 1061-1069.

Guo, X., Li, T., Tang, K., Lui, R.H. Effect of Germination on Phytochemical Profiles and Antioxidant Activity of Mung Bean Sprouts (Vigna radiate). Journal of Agriculture and Food Chemistry, 2012, 60, 44, 11050–11055.

Fett, W.F., Fu, T.J., Tortorello, M.L., Matthews, K.R. Seed sprouts: the state of microbiological safety. Microbiology of fresh produce. ASM Press, Washington, DC. 2006, 167-219.