Showing results for: fruit post-harvest Articles
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Effects of chitosan–based coatings containing peppermint essential oil on the quality of post–harvest papaya fruit
Edible coatings comprised of antimicrobial polymers based on chitosan are promising technologies to preserve post–harvest fruit quality. In this study, we investigated the potential utility of a coating made from chitosan modified by N–acylation with fatty acid to preserve post–harvest papaya quality. Peppermint essential oil (EO) was added to the chitosan–based coatings as an antifungal agent. A ...
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Effect of ethylene on fruits and vegetables rotting
In the latest edition of Bioconservacion's Partner Meeting with all its partners from the post-harvest sector, we had the good fortune to have Professor Emeritus Ron Wills from the University of Newcastle in Australia. Dr Wills, with over 50 years experience researching agronomy, agriculture and post-harvest techniques is undoubtedly a leader in the sector and one of the great experts on ...
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BION Fungi Stop to control the growth of fungi in non-climacteric fruit
Bioconservacion presents a new product developed specifically for postharvest non-climacteric fruit preservation, especially citrus fruits and pineapple. The results of a recent survey carried out by the University of Costa Rica show that the BION Fungi Stop contributes to controlling the proliferation of fungi and bacteria in non-climacteric fruit (including pineapple and citrus fruits) by ...
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Natural essential oils from lemon grass (Cymbopogon citratus) to control postharvest anthracnose of mango fruit
Efficacy of essential oil extracted from lemon grass (Cymbopogon citratus Stapf.) on controlling postharvest anthracnose of mango fruit, Nam Dokmai, compared with a fungicide was evaluated before and after inoculation using spore suspension of Colletotrichum gloeosporioides. The experiment was carried out at Rajamangala University of Technology, Suvarnabhumi, Ayudhya Huntra, Thailand, by means of ...
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Theoretical considerations on generic modelling of harvest maturity, enzyme status and quality behaviour
There is a growing awareness amongst researchers in the field of fruit and vegetable postharvest that quality is generated in the process of plant growth and all well advanced postharvest techniques and technologies can merely retain, as good as possible, the quality that is already present in the produce. Information and knowledge about the evolution of properties and quality attributes, that ...
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Chilling injury as an indicator of critical temperature for cold storage of guava (Psidium guajava L.) cv. Allahabad Safeda
The critical temperature for cold storage of guava cutivar Allahabad Safeda and the changes in physico-chemical attributes during its storage were studied. Fruits were stored at 5, 8 and 15° C with 85–90% relative humidity and withdrawn weekly from cold storage and kept at ambient condition (18–20° C and 65–70% RH) for analysis. Chilling Injury (CI) symptoms, characterised by browning of peel, ...
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Application of essential oils for postharvest control of stem end rot of mango fruits during storage
During screening of 14 essential oils against Botryodiplodia theobromae, geranium, mint, palmarosa, and thyme oils were found to exhibit absolute fungitoxic activity. The oils were subsequently standardised through physicochemical and fungitoxic properties. The minimum inhibitory concentration (MIC) of geranium, mint, palmarosa and thyme oil was found to be 200, 100, 100 and 50 ppm respectively. ...
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Some initial changes in `Hass` avocado (Persea Americana Mill.) physiology due to ethephon
Ethylene is used commercially to hasten ripening of avocados, but the presence of ethylene in the storage atmosphere can increase the risk of physiological disorders. To investigate the short term effect of ethylene on avocado physiology, fruit were dipped in a low concentration ethephon solution. The ethephon treatment significantly increased the ethylene production rate of avocados after 6 h, ...
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Characteristics of postharvest quality in regional fruits treated with ionising radiation
Quality postharvest of three cultivated species of the Northeast Region of Brazil was evaluated after receiving ionising radiation. Cashew peduncles (Anacardium occidentale L. var. Nanum) stored for 14 days under 6.5°C had presented best results in the sensorial analyses for external appearance, flavour and aroma when irradiated with 1 kGy. Sapodillas (Manilkara sapodilla (L) Van Roy en) ...
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Effect of calcium dips combined with mild heating on postharvest life and quality of strawberry
The effect of calcium dips combined with mild heat treatment on quality and postharvest life of strawberries (cv. BARI strawberry–1) was studied. Immediately after harvest, strawberries were treated by dipping in distilled water, CaCl2 solutions at 1%, 2% and 3% for 15 min at 45°C and left untreated. Subsequently, the fruits were stored at 10°C with 80 ± 5% RH for 8 days. The effectiveness of the ...
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Influence of aqueous 1–methylcyclopropene on postharvest ripening and quality of banana
The influence of aqueous 1–methylcyclopropene (1–MCP) on the ripening of harvested banana fruit cv. 'Cavendish' was investigated. Banana fruit at mature green stage were dipped in aqueous 1–MCP at 100, 200, 400 and 600 µg L−1 for 10 min, fan–forced air–dried and then stored at 20 ± 2°C and 85–90% RH for ripening over 30 days. Banana ripening was delayed when dipped in 100–600 µg L−1, however; ...
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Reduction of guava anthracnose (Colletotrichum gloeosporioides) by hot water treatments of fruits from organic or conventional system of production
Anthracnose [Colletotrichum gloeosporioides (Penz). Sacc.] is one of the most important post–harvest diseases on guava fruits (Psidium guajava L.). The study was conducted to evaluate the hydrothermal effects on disease incidence and on fruit quality [fresh weight loss (FWL), pH, total of soluble solids (TSS), and acidity (Ac)] from conventional and organic system of production. Trials were ...
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Postharvest technologies for extending the shelf life of ornamental crops
1-Methylcyclopropene (1-MCP) and other cyclopropenes block ethylene responses in plants at the receptor level. 1-MCP is commercially available under the trade name of EthylBloc® and SmartFresh™. It is very effective in blocking ethylene responses in a range of ornamental crops, fruits and vegetables. Some recently prepared 1-substituted cyclopropenes inactivate the receptor even for a longer time ...
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Ethylene absorption solutions
The 6th International Banana Congress, organised by CORBANA and ACORBAT, took place in Miami from 19 to 22 April. It is undoubtedly the most important technical, scientific, agro-industrial and commercial gathering of the banana industry in the world. Experts from around the world spoke of the evolution and market trends in the banana market, phytosanitary regulations and advances with regard to ...
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Bioconservacion in International Banana Congress of CORBANA & ACORBAT
Bioconservacion ethylene absorption solutions present at the most important banana congress The 6th International Banana Congress, organised by CORBANA and ACORBAT, took place in Miami from 19 to 22 April. It is undoubtedly the most important technical, scientific, agro-industrial and commercial gathering of the banana industry in the world. Experts from around the world spoke of the evolution ...
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Effect of storage conditions on physico–chemical attributes and physiological responses of 'milk' (Musa spp., AAB group) banana during fruit ripening
Knowledge of fruit physico–chemical properties and physiological responses is important for the design and development of appropriate postharvest handling and storage systems to reduce losses and maintain quality. The objective of this study was to investigate the changes in physico–chemical attributes and physiology of 'milk' banana cultivar at three ripening stages (unripe, fully ...
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