scholarly journals Impact of Post-harvest Treatments on The Antioxidant Content of Fruits and Vegetables

2022 ◽  
Vol 49 (1) ◽  
pp. 25-33
Author(s):  
hoda galal
Keyword(s):  
Fruits And Vegetables ◽  
Post Harvest ◽  
Antioxidant Content

Understanding the Role of Chlorine and Ozone to Control Postharvest Diseases in Fruit and Vegetables: A Review

2020 ◽  
Vol 16 (4) ◽  
pp. 455-461
Author(s):  
Gabriela M. Baia ◽  
Otniel Freitas-Silva ◽  
Murillo F. Junior
Keyword(s):  
Chlorine Dioxide ◽  
Broad Spectrum ◽  
Fruits And Vegetables ◽  
Low Cost ◽  
Residual Effects ◽  
Pathogenic Microorganisms ◽  
Postharvest Diseases ◽  
Post Harvest ◽  
By Products

Fruits and vegetables are foods that come into contact with various types of microorganisms from planting to their consumption. A lack or poor sanitation of these products after harvest can cause high losses due to deterioration and/ or pathogenic microorganisms. There are practically no post-harvest fungicides or bactericides with a broad spectrum of action that have no toxic residual effects and are safe. However, to minimize such problems, the use of sanitizers is an efficient device against these microorganisms. Chlorine is the most prevalent sanitizing agent because of its broad spectrum, low cost and well-established practices. However, the inevitable formation of disinfection by-products, such as trihalomethanes (THMs) and haloacetic acids (HAAs), is considered one of the main threats to food safety. Alternative sanitizers, such as chlorine dioxide (ClO2) and ozone, are becoming popular as a substitute for traditional post-harvest treatments. Thus, this review addresses the use of chlorine, chlorine dioxide and ozone emphasizing aspects, such as usage, safe application, spectrum of action and legislation. In order to ensure the quality and safety of final products, the adoption of well-prepared sanitation and sanitation programs for post-harvest fruits and vegetables is essential.

scholarly journals The Influence of Physical Treatments on Phytochemical Changes in Fresh Produce after Storage and Marketing

Agronomy ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 788
Author(s):  
Elazar Fallik ◽  
Zoran Ilić
Keyword(s):  
Fruits And Vegetables ◽  
Growth Conditions ◽  
Nutritional Content ◽  
Nutrition And Health ◽  
Phytochemical Content ◽  
Post Harvest ◽  
Crop Genetics ◽  
Anti Cancer ◽  
Nutritional Qualities ◽  
Physical Treatments

More food with high nutritional content will be needed to feed the growing global human population, which is expected to reach 10 billion by 2050. Fruits and vegetables contain most of the minerals, micronutrients, and phytonutrients essential for human nutrition and health. The quantity of these phytochemicals depends on crop genetics, weather and environmental factors, growth conditions, and pre-harvest and post-harvest treatments. These phytochemicals are known to have anti-cancer properties and to regulate immunity, in addition to hypolipidemic, antioxidant, anti-aging, hypotensive, hypoglycemic, and other pharmacological properties. Physical treatments have been reported to be effective for managing several post-harvest diseases and physiological disorders. These treatments may affect the external, internal, and nutritional qualities of fruits and vegetables. Therefore, the aim of this review is to summarize the information recently reported regarding the use of physical treatments applied either directly or in combination with other means to maximize and maintain the phytochemical content of fresh and fresh-cut or processed fruits and vegetables.

scholarly journals Ethylene induces soil microbes to delay fruit ripening

2014 ◽  
Author(s):  
Guenevere Perry ◽  
Diane Williams
Keyword(s):  
Fruit Ripening ◽  
Fruits And Vegetables ◽  
Soil Microbes ◽  
Low Cost ◽  
Ripening Process ◽  
Post Harvest ◽  
Climacteric Fruit ◽  
Low Concentrations ◽  
Transportation Container ◽  
Post Harvest Loss

The consumer demand for fresh fruits and vegetables increases every year, and farmers need a low cost novel method to reduce post-harvest loss and preserve the quality of fresh fruits and vegetables. This study identifies a method to induce soil bacteria to biosynthesize a nitrile compound that potentially enters the plants tissue and negatively affects climacteric ripening and delays the ripening process at 20-30˚C. This study used soil rich with soil microbes, to delay the ripening of climacteric fruit. The soil was treated with nitrogen, a heavy metal, and ethylene gas. Ethylene induced the soil to delay the ripening of organic bananas and peaches. A prototype transportation container maintained fruit fresh for up to 72 h at 20-30˚C. The fruit retained color, firmness, texture, no bruising and minimal spotting. The soil also prevented fungal infection in all samples. GC-MS analysis suggests ethylene induced the soil microbes to release an acetonitrile compound into the gaseous environment. The nitrile is released in low concentrations, but mature plants (fruits) contain very low levels of indole-3-acetonitrile (IAN) or indole-3-acetic acid (IAA). The nitrile may obstruct or modify the mature plants (fruit) late stages development process, thus delay the climacteric ripening process and retarding the physiological and phenotypic effects of fruit ripening. We believe this study may have strong applications for post-harvest biotechnology.

scholarly journals Active and Intelligent Packaging with Phase Change Materials to Promote the Shelf Life Extension of Food Products

2020 ◽  
Author(s):  
Sasi Madhan ◽  
Christophe Espírito Santo ◽  
Luís P. Andrade . ◽  
Pedro D. Silva . ◽  
Pedro D. Gaspar .
Keyword(s):  
Phase Change ◽  
Shelf Life ◽  
Fruits And Vegetables ◽  
Phase Change Materials ◽  
Active Packaging ◽  
Life Extension ◽  
Box Dimension ◽  
Intelligent Packaging ◽  
Post Harvest ◽  
Shelf Life Extension

Active packaging aims to extend the shelf life of fruits and vegetables using active agents such as Oxygen, Carbon-di-oxide, ethylene scavengers and moisture absorber. Intelligent packaging provides information about the fruits quality inside the package to the customer and this packaging technology detects the internal changes of fruits and vegetables using sensors and indicators. Further to improve the post-harvest storage PCM such as Rubitherm can be used depending on the package box dimension to remove the field heat from the products and maintain its temperature with low variation during transport and display. Gel packs having less weight with PET and PS can also be an alternate method in the packaging. The application of these technologies may lead to a revolution in post-harvest storage, transportation, and further retail sale. This paper reviews the theoretical principles of food packaging and recent developments in packaging technologies using PCMs. Keywords: Active packaging, Intelligent packaging, Phase change materials, Shelf life extension, Fruits

scholarly journals The Brown Marmorated Stink Bug (Halyomorpha halys Stål.) Influences Pungent and Non-Pungent Capsicum cultivars’ Pre- and Post-Harvest Quality

Agronomy ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 2252
Author(s):  
Tilen Zamljen ◽  
Robert Veberic ◽  
Metka Hudina ◽  
Ana Slatnar
Keyword(s):  
Fruits And Vegetables ◽  
Metabolic Response ◽  
Fold Increase ◽  
Invasive Pest ◽  
Halyomorpha Halys ◽  
Stink Bug ◽  
Severe Damage ◽  
Post Harvest ◽  
Entire Plant

Halyomorpha halys is an important invasive pest that causes severe damage to fruits and vegetables. Peppers are susceptible to infestation by H. halys, resulting in yield losses. Plants respond to the insect infestation with a metabolic response. With this study, we attempted to determine the intensity of the metabolic response of infested peppers, how pungent and non-pungent peppers react to the infestation, and how the H. halys affects the post-harvest quality of both cultivars. The shelf life of the infested peppers did not change compared to the control treatments. We observed a drastic decrease in metabolite levels after storage in all three treatments in both cultivars, especially capsaicinoids, with an approximate decrease of 30% in the pericarp and 95% in the placenta of the pungent ‘Eris F1’. In some cases, the accumulation of metabolites was not limited to the fruit exposed to the H. halys infestation, but to the entire plant. We observed a 15-fold increase in capsaicinoid content in the infested fruits of cultivar ‘Eris F1’ and a 4-fold increase in the pericarp of cultivar ‘Lombardo tago’, which could lead to a possible further study on the defensive function of capsaicinoids and their use against H. halys.

Biological control of post-harvest diseases of fruits and vegetables: alternatives to synthetic fungicides

1991 ◽  
Vol 10 (3) ◽  
pp. 172-177 ◽  
Author(s):  
Charles L. Wilson ◽  
Michael E. Wisniewski ◽  
Charles L. Biles ◽  
Randy McLaughlin ◽  
Edo Chalutz ◽  
...  
Keyword(s):  
Biological Control ◽  
Fruits And Vegetables ◽  
Post Harvest

scholarly journals Assessment of production potential and post-harvest losses of fruits and vegetables in northern region of Ethiopia

2018 ◽  
Vol 7 (1) ◽  
Author(s):  
Hagos Abraha Rahiel ◽  
Abraha Kahsay Zenebe ◽  
Gebreslassie Woldegiorgis Leake ◽  
Beyene Weldegerima Gebremedhin
Keyword(s):  
Fruits And Vegetables ◽  
Northern Region ◽  
Production Potential ◽  
Post Harvest

scholarly journals Digital integration to enhance market efficiency and inclusion of smallholder farmers: a proposed model for fresh fruit and vegetable supply chain

2020 ◽  
Vol 23 (3) ◽  
pp. 319-337
Author(s):  
Swamikannu Nedumaran ◽  
Aravazhi Selvaraj ◽  
Ravi Nandi ◽  
Bhattacharjee Suchiradipta ◽  
Padmanabhan Jyosthnaa ◽  
...  
Keyword(s):  
Supply Chain ◽  
Information Asymmetry ◽  
Fruits And Vegetables ◽  
Smallholder Farmers ◽  
Chain Model ◽  
Chain Process ◽  
Market Uncertainty ◽  
Post Harvest ◽  
Proposed Model ◽  
Supply Chain Process

High-value agriculture in India is witnessing a transformation, specifically in fresh fruits and vegetables (FFV). Supply chain stakeholders, mainly small and marginal farmers, receive a very minimal share in consumer rupee due to market uncertainty, high post-harvest losses, information asymmetry, lack of processing facilities and the erratic demand-supply situation. The current study draws from an extensive review to propose a competitive, inclusive, sustainable and scalable supply chain model of primary processing centers connecting farmers directly and efficiently with consumers. The proposed model will connect producers with the rest of the supply chain and streamline the supply chain process to reduce post-harvest losses as much as possible. The integration of a market information system will ensure transparency to help in better decision-making, reduced intermediaries and information asymmetry for producers, as well as the systematic disposal of the produce. The model will increase the efficiency of the FFV supply chain and has practical implications for agribusiness management and policymakers in relation to FFV supply chain development in India.

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