Abstract
Fenugreek (Trigonella foenum-graecum L.), is a highly respiring leafy vegetable enriched with many nutrients and other active ingredients such as protein, vitamin C, niacin, potassium, alkaloids, lysine and L-tryptophan as well as steroidal saponins which are beneficial for human health. Both, quantitative and qualitative losses in this vegetable can be reduced by appropriate packaging and storage techniques which have not been applied hitherto. This study was taken upon to assess the potential of macro-perforated MAP for storage of fenugreek leaves. Packages (bag area: 0.075 m2) made from polypropylene (PP) film (Thickness: 35 μmm) were selected for the storage studies. The leaves were packaged in macro-perforated (2 perforations, perforation diameter: 0.3 mm each, with and without mustard seeds as natural absorbents) as well as in non-perforated PP film packages with and without mustard seeds. 10 g of mustard seeds were placed inside the packages to check water accumulation. The packaged samples were stored for 6 days at 75% relative humidity (RH) at 15°C to check water accumulation, if any. Different physiological and biochemical characteristics which generally affect the post-harvest life of the produce were monitored during the storage period. Results of the study suggested that among all the treatments, packaging of fenugreek in two perforation packets with mustard seeds resulted in best maintenance of chlorophyll, ascorbic acid, phenols and aroma. Water accumulation was also consoled due to mustard seeds after 6 days of storage.
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Brar, J.K., Rai, D.R., Singh, A. et al. Biochemical and physiological changes in Fenugreek (Trigonella foenum- graecum L.) leaves during storage under modified atmosphere packaging. J Food Sci Technol 50, 696–704 (2013). https://doi.org/10.1007/s13197-011-0390-4
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DOI: https://doi.org/10.1007/s13197-011-0390-4