Vegetable Handling Articles
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What Are the Benefits of a Screw Type Juice Extractor?
Screw-type juice extractors have gained popularity in recent years due to their numerous benefits and advantages over other types of juicers like centrifugal ones. These machines work on a different principle, which makes them highly efficient and versatile for extracting juice from various fruits and vegetables. In this article, we will explore the benefits of a screw-type juice extractor and ...
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Efficiency increases with Truxor in the Alte Donau - Case Study
Over nearly two decades the city of Vienna, Austria, has been working with underwater vegetation maintenance to make the popular recreational lake Alte Donau enjoyable. Since 2018 the fleet working is composed of 18 Truxor amphibious tool carriers removing over 2 000 tons of plant material every year. The presence of tall, high-growing underwater plants has been a hindrance to swimming and ...
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Creating Gaseous Micro Environments for Packaged Produce to Maintain the Quality of Fresh Fruits and Vegetables
Often we are unaware of the long and arduous journey food takes before reaching our plate. Retaining food freshness is in part due to creating gaseous micro environments that ensure the preservation of food quality. In the United States, it is estimated that food typically travels between 1500 and 2500 miles1 between the farms where it is produced and the dinner table where it is ultimately ...
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Sustainable Vegetated Channels = The Death of Rip Rap
Rip rap is a common channel protection method because of its resistance to most flows with appropriate rock size; however, it does have significant drawbacks. Material can be expensive, not locally available, and placement requires heavy equipment. Additionally, rip rap channels are prone to regular maintenance, collection of debris and garbage, erosion at boundaries, undermining, and movement. ...
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Composting in the Subarctic – Moisture
Regulating Compost Moisture during Hot Composting Hot composting is most effective at decomposing organic waste when moisture levels are approximately 50%. A compost with excessive moisture will cause Low temperatures that are below 40°C (104°F); smells foul; and/or brown liquid to be visible or easily freed when squeezing compost. Excessive moisture while composting does not ...
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Climacteric and non-climacteric fruits
Most fruits ripen due to the action of ethylene. Ethylene is the hormone known as "the ripening hormone". It is produced naturally in fruits causing the color, firmness, flavor and characteristic aromas of each fruit to change. However, once the fruit or vegetable has been collected, ethylene does not act in the same way in all cases. Depending on how ethylene intervenes on fruits, they are ...
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Composting in the Subarctic – Materials
Determining and sourcing organic materials for Composting Along with having the right composter for the task, the Fort Albany First Nation (FAFN) community needed to determine what organic materials would be added to the Actium Batch Compost Drum and where we could obtain these materials. There are two types of organic materials we wanted to hot compost – “greens” (C:N 30). ...
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Ecological vegetable growing – Is it needed?
Recent years ecological food is becoming more and more popular. Society wants to eat healthy products, of known origin and free of harmful chemicals that have an impact on our health. Where to get such food? The answer is simple – you should ask the source, which in this case are farmers. Despite the demand for ecological products is large, only a few producers decide to grow ecological ...
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AutoMate-Q40 Automated QuEChERS Extraction for Pesticide Residues in Botanicals
Abstract QuEChERS is a Quick-Easy-CheapEffective-Rugged-Safe extraction method that has been developed for the determination of pesticide residues in agricultural commodities. Since its development, QuEChERS has been applied to many different classes of commodities ranging from fruits and vegetables to dry grains and teas. In 2007, the United States Food and Drug Administration (USFDA) announced ...
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Fruits and Vegetables Hot Air Drying Processes Research
Hot air drying is the conventional drying method, and it transfers heat from the drying medium to the material based on the heat conduction effect, then this results in two diffusion after the material absorbs heat: the external diffusion ( the moisture from the material surface to the drying medium ) and the internal diffusion ( the moisture from material interior to the material surface ), and ...
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Drying Technology Research for Vegetable Powder Production
Experiment shows that hot-air drying at the temperature of 60℃ is the best drying method for quality vegetable powder production, and the finshed vegetable powders with diameter≤0.125μm have good stability and reconstituability. Vegetable processing mainly includes pickled canning, drying, freezing, juicing and so on, but these processed products have a limited application area. As ...
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Recovery of Terrestrial Plants in Vegetative Vigor and Seedling Emergence Tests from Exposure to Atrazine
Ten species of terrestrial plants, including six dicotyledonous and four monocotyledonous species, were exposed to a direct overspray of atrazine according to U.S. EPA seedling emergence and vegetative vigor study guidelines and subsequently evaluated for potential recovery. For each species, NOER, ER10, ER25, and ER50 values were calculated (where possible) for a variety of guideline required ...
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Stability of Lactobacillus acidophilus and Lactobacillus rhamnosus in minimally processed cabbage
The aim of this study was to evaluate the stability of Lactobacillus acidophilus and Lactobacillus rhamnosus in minimally processed cabbage as well as physical–chemical and microbiological characteristics of this product. After minimal process, the cabbage was soaked in solution with probiotic cultures of L. acidophilus and L. rhamnosus, which resulted in three treatments, one added with L. ...
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A generic approach in estimating vegetation density for hydrodynamic roughness parameterization using high density airborne laser scanning data
Vegetation density is among the important parameters required for determination of hydrodynamic roughness over vegetated areas. High density airborne light detection and ranging (LiDAR) data offer several potentials to improve estimation of vegetation density. Available methods in estimating vegetation density based on regression models did not take into account understorey vegetation and were ...
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Changes in chlorophyll, anthocyanins and phenolic compounds concentration in fresh–cut onion
The minimal processing of onion is practical and convenient to consumers, eliminating the inconvenience of peeling, cutting, unwanted odour and tearing effect. The study aimed to estimate the levels of chlorophyll, anthocyanins and phenolic compounds in fresh–cut onions, triturated in the form. Onions, white and purple, obtained in Pombal–PB were conducted in the Laboratory of Food ...
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Vitamin A content of traditional leafy vegetables consumed by the Luo people of western Kenya
Vitamin A deficiency (VAD) causes numerous health problems in developing countries, including the subSaharan Africa. VAD is one of the major causes of morbidity and mortality in children, and also affects lactating mothers and the elderly. The main objectives of the study were to identify, collect and analyse traditional, leafy vegetables for provitamin A carotenoids and tocopherols. A total of ...
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Residence time and contact volume in sloped compost and compost/vegetated filter beds
Little is known about transport mechanisms in sloped dormant vegetated and compost only filters for roadway runoff. Residence time experiments were carried out in triplicate in 0.254 m wide × 0.65 m long by 0.10 m deep beds using a bromide tracer. Bed slope was 12°. Only at the lowest flow rate tested (0.276 l/min per m of filter width) were mean residence times in compost beds with and without ...
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Arsenic concentrations in irrigation water, soil and selected vegetables in Bangladesh
The effect of Arsenic (As) concentration in irrigation water on As accumulation in six selected vegetables grown during the dry season (December-May) in Bangladesh has been assessed. Three field sites were selected for the assessment, which included two As affected areas (Chandpur and Narayanganj) and one unaffected area (Bogra). The As concentrations in edible parts of the selected vegetables ...
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Quantifying postharvest loss in vegetables along the supply chain in Vietnam, Cambodia and Laos
This study provides an overview of the postharvest loss situation of selected vegetable crops as perceived by the various supply chain actors in Vietnam, Cambodia and Laos. It investigates the volume and value of vegetable losses upstream along the supply chain, and identifies the main reasons and the preventive measures undertaken at each stage in the supply chain to abate postharvest losses. ...
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Active sensor reflectance measurements of corn nitrogen status and yield potential
Active sensor reflectance assessments of corn (Zea mays L.) canopy N status are advocated to direct variable N applications and improve N use efficiency (NUE). Our goals were to determine: (i) growth stage and (ii) sensor vegetation index with greatest sensitivity in assessing N status and grain yield. Variable crop N was generated by supplying N at different amounts and times in three field ...
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