Respiration rate and shelf life

‘Mutiara’ guava fruit is one of two leading guava cultivars sold in Indonesian markets. Its thin skin and climacteric-typed respiration shorten its shelf-life due to high transpiration and respiration rates. Eventhough 2.5% chitosan was proven to lengthen its shelf-life, the effect of ethylene trapped under chitosan coating needs to be blocked in order to increase its coating affectivity.

4p viisac 23-09-2023 3 1   Download

The commercialization of mushrooms is critical because they have a short shelf life. For this reason, we investigated the effect of agar-agar and egg white protein on weight loss, polyphenol oxidase and catalase, protein content, total phenolics, total antioxidant capacity, respiration rate, ethylene production and storability of button mushrooms. Our findings suggested that the treatment of edible coating delayed remarkably senescence and maintained the quality of button mushroom.

9p lyhuyenthu 31-01-2023 4 2   Download

The research aimed to assess the effects of methyl jasmonate (0.25, 0.5, and 1.0 mM MeJA) on weight loss and phytochemical compounds of kiwifruit (Actinidia deliciosa cv. ‘Hayward’) throughout the cold storage and shelf life. Kiwifruits were stored at 0 ± 0.5°C and 90 ± 5% RH for 180 days, and at 20 ± 1.0°C and 80 ± 5% RH for 5 days in shelf life conditions. During cold storage, weight loss was significantly lower (P < 0.05) in 0.25 and 1.0 mM MeJA treatments than those of control and 0.5 mM MeJA treatments. The highest flesh firmness was determined in MeJA-treated fruits.

11p hanthienngao 30-11-2021 9 1   Download

The sapota fruit is very perishable cannot store longer than 5 days to rapid metabolic activities. Sapota fruit was reported massive post harvest losses and need mandatory to increase the shelf life of Sapota 20-30 days accordingly, there's a essential to control its ripening ..

6p chauchaungayxua11 23-03-2021 15 1   Download

Respiration rate, sensory attributes, change in color, physiological loss in weight, chlorophyll and beta - carotene content and microbial loads were determined during storage of mint leaves at 10 and 27ᵒC to find an optimal gas composition to extend the shelf life. The Low Density Poly Ethylene (LDPE) bags with a thickness of 152 µ which recorded the lowest permeability to oxygen (1067 ml/m2 /day) was selected and used for packaging mint leaves.

17p quenchua8 29-09-2020 5 0   Download

Sweet corn (Zea mays L.) being staple food crop is used as a nutritional source for humans. Sweet corn, a member of the Gramineae family is available in wide varieties globally but variety preference is different for each region.

7p kethamoi7 26-08-2020 12 1   Download

The effect of time and temperature on the respiration rate (RR) of fresh-cut produce is critical towards the development of a suitable modified atmosphere packaging (MAP) system. This requires an adequate mathematical model for prediction of RR as a function of both time and temperature. This study investigated the effect of temperature (5, 10 and 15 °C) and storage time of 1 to 5 days on the RR (RO2 and RCO2) of two pomegranate cultivars (cv. „Bhagwa‟ and„Ganesh‟) fresh arils. RO2 and RCO2 were within the range of 2.54 to 8.36 ml/kg.h and 2.76 to 10.04 ml/kg.

10p angicungduoc6 20-07-2020 21 1   Download

A study was undertaken to manage two factors that are responsible for reduced market value in banana cv. Yelakki namely ethylene biosynthesis and microbial deterioration. Freshly harvested stage 2 banana fruits treated with chemicals, 1-methylcyclopropene (1- MCP) and poly hexa methylene guanidine (PHMG) at different concentrations and stored in corrugated fiber board boxes at ambient condition for 15 days.

12p kethamoi6 29-06-2020 9 1   Download

Sapota (Achras zapota L.) is one of the tropical climacteric fruits preferred by the consumers due to its sweet taste and aroma. Fruits become ripe very quickly after harvesting due to sudden climacteric rise with high respiration rate and ethylene production. This quick ripening causes loosening the texture of fruit leads to softening of and spoilage. The short shelf life of the fruit is a marketing problem which is a major cause of huge postharvest loss of this fruit.

7p angicungduoc5 12-06-2020 16 0   Download

The respiration rates of fresh Bengal gram kernels as a function of O2 and CO2 concentration at 300 C in closed system is studied on the basis of enzyme kinetics. Parameters of three types of Michaelis-Menten equation based on type of inhibition were considered. GraphPad PRISM software was used to find parameters of respiration rate of fresh Bengal gram kernels inform of Michaelis-Menten. The competitive type of inhibition was found as the best type for respiration rate of fresh Bengal gram kernels.

10p kethamoi5 03-06-2020 9 0   Download

Guava fruits of cv. Lalit were treated with salicylic acid (SA) and 5-sulfosalicylic acid (SSA) at 1 mM and 2 mM concentration and stored at 10oC for 12 days. After storage, fruits were transferred to ambient conditions (20±2oC) for 3 days shelf life stimulation period and then observations were recorded up to 12+3 days. Results revealed that fruits treated with SA or SSA at 2 mM concentration showed minimum weight loss and colour change but maintained maximum firmness, total phenolics and ascorbic acid content.

8p trinhthamhodang1213 02-06-2020 7 0   Download

Banana fruit were exposed to hexanal vapour at 600, 900 and 1200 ppm for two and four h at 27±2°C. Fruits were then stored at 27±2 ° C with 65-75% relative humidity and latter assessed for quality. The rate of respiration, increase in TSS and loss of firmness were affected negatively by hexanal vapour treatment. Changes in the peel colour were also slowed compared to untreated fruits.

10p kethamoi4 16-04-2020 7 1   Download

In the present study, the use of salts such as Potassium Permanganate and Salicylic Acid as an active ingredient to control and absorb ethylene produced by the fruits during storage and extension of shelf life were analysed.

7p quenchua4 06-04-2020 7 1   Download

Water loss is the major problem in rambutan which induces the browning of spinterns and ultimately reduces the consumer acceptance. Techniques which slow down respiration and dehydration rate were found to be more effective in increasing overall acceptability of rambutans. The efficacy of several pre-treatments in up regulating consumer acceptance of rambutan (Nephelium lappaceum L.) fruit was examined. Dipping fruits for 5 min in 2 ppm ozonized water comparably reduced the browning of the fruit stored under room temperature (30±2oC; 80-85% RH).

8p trinhthamhodang4 22-03-2020 20 2   Download

Respiration rate is the important factor involved in creating a modified atmosphere inside a package that will extend the shelf life of fresh fruits and vegetables. Thus, modelling respiration rate of the selected produce is crucial to develop a modified atmosphere packaging (MAP) system. In this study, MAP has been combined with 1% Calcium chloride and 1% citric acid solution. Respiration rates of fresh-cut pear packaged in polypropylene pouches at 8 ˚C. A mathematical model describing the dynamics of O2 and CO2 concentrations inside the MAP package of fresh-cut pear was formulated.

11p kethamoi2 15-12-2019 8 0   Download

A study was conducted to evaluate the efficacy of exogenous application of putrescine and spermine (Polyamine) on postharvest physiological and biochemical behavior of banana cv. Grand Naine. Mature unripe bananas were dipped in varied concentrations of putrescine (PUT) (1 mM, 3 mM and 6 mM) and spermine (SPM) (1 μM, 5 μM and 10 μM) aqueous solution and stored at cold storage (13 °C ± 1, 85 % RH). Dipping of bananas in distilled water served as control.

11p nguaconbaynhay1 04-12-2019 25 0   Download