Fresh-cut mango is a very popular product commonly consumed due to its health and safety benefits to the community. The rise in cutting results, which increases respiration, ethylene production, oxidation, and browning processes, tends to shorten its life. Edible coating of aloe gel (Ecogel) serves as an additive matrix to extend the life of fresh-cut mango with the incorporation of antioxidant, acidulant, and antimicrobial additives. The edible coating ability is strongly influenced by molecular structure, size, and chemical constituents, with the nanoparticle used to determine the edible coating capability. This study, therefore, aims to determine the influence of incorporation nano-additive material and its concentration to extend the shelf life of the mango. The complete random design was used to determine the factorial pattern of citric, ascorbic, and potassium sorbate acid using a concentration of 0.15, 0.3, and 0.45 %. The mixture of nano-additives consists of citric acid, ascorbic acid, and potassium sorbate at a concentration of 0.15 %, which is the best formulation for Ecogel. The characteristics of fresh-cut fruit coated with Ecogel are suitable at a temperature of 7 ± 1 C until day 6. Therefore, Ecogel prolongs the shelf-life of fresh-cut mango.
The quality of Moringa oleifera seeds need to be ensured before sowing or using the seeds for other commercial purposes like oil extraction. In this study, an attempt was made to increase the efficiency of a specific gravity separator machine to upgrade the quality of moringa seed by suitably changing the machine settings viz., horizontal height (cm), vertical height (cm), and oscillation speed (rpm) of the deck and air blow rate (m3/hr). The optimization of moringa seed quality upgrading specific gravity machine has a horizontal height (cm), vertical height (cm), and air blow rate (m3/hr) adjustments of 0, 1.5, and 4.0 respectively at 450 rpm of deck oscillation. Under the above-optimized conditions, seed lot graded into five categories viz., A, B, C, D and E. Germination percentage of three grade viz., C, D, and E have 93.0%, 97.0%, and 96.0% respectively, which was higher than the germination percentage of ungraded bulk moringa seed lot (91.0%) used in this experiment. Seed with undesirable size and low in weight got separated as ‘A’ grade material. The optimization of moringa seed upgarding process showed the optimal processing conditions for grading the moringa seed based on physical property of the seed. The optimization of the moringa seed-grading machine would provide necessary information on combination of seed, operation and design parameters for enhancing seed quality.
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