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Changes In The Hardness And Skin Color Of Apple Fruits Before Harvest And In Storage With Observations On Changes In Growth Previous To Maturity
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Book Synopsis Changes in the Hardness and Skin Color of Apple Fruits Before Harvest and in Storage with Observations on Changes in Growth Previous to Maturity by : Torasaburo Susa
Download or read book Changes in the Hardness and Skin Color of Apple Fruits Before Harvest and in Storage with Observations on Changes in Growth Previous to Maturity written by Torasaburo Susa and published by . This book was released on 1925 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Certain Physical and Chemical Changes of Grimes Apples During Ripening and Storage Period by : Homer Henry Plagge
Download or read book Certain Physical and Chemical Changes of Grimes Apples During Ripening and Storage Period written by Homer Henry Plagge and published by . This book was released on 1926 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis CHANGES IN THERMAL PROPERTIES DURING THE GROWING SEASON TO PREDICT THE APPLE HARVEST TIME AND MONITOR THE QUALITY. by : Oznur Caliskan Aydogan
Download or read book CHANGES IN THERMAL PROPERTIES DURING THE GROWING SEASON TO PREDICT THE APPLE HARVEST TIME AND MONITOR THE QUALITY. written by Oznur Caliskan Aydogan and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Apple is one of the most widely cultivated fruit worldwide and processed into many products. The maturity of apple fruit at harvest is a factor that significantly impacts quality and storage. An early or late picked apple is more sensitive to physiological disorders and has shorter storage life than fruit harvested at the proper maturity time. To determine the harvest time, many physical, biochemical, and physiological properties have been assessed by destructive and nondestructive methods. However, no study on the measurement of thermal properties, which are a set of physical properties to predict the apple harvest time has been reported in the literature. Therefore, the objective of this study was to measure thermal properties, i.e., thermal conductivity, thermal diffusivity, and specific heat, of Gala apple cultivar from the Fruit Research and Extension Center, Biglerville, PA during the 2017 growing season using the dual needle heated probe (DNHP), which is simple, rapid, and portable method. The measured weekly average of thermal conductivity, thermal diffusivity, and specific heat values of apple samples during the growing season in the laboratory (18-23C) were between 0.441 0.015 and 0.445 0.014 W/m-K, 0.137 0.004 and 0.152 0.006 mm2/s, and 3.93 0.20 and 4.23 0.25 kJ/kg-K, respectively, with mean temperature of apple from 19.1 to 22.6C. Average thermal conductivity and thermal diffusivity values of apple decreased significantly as apple ripened (p 0.05) while specific heat values did not change significantly (p 0.05) during the growing season. Overall, the most noticeable changes in thermal conductivity occurred during the last two weeks of the growing season, which corresponds to the time when major biochemical changes are known to occur. Subsequently, the apples thermal property changes during the growing season were examined for their prospective relationships with physical properties (size, density, and moisture content) and harvest fruit quality and maturity indices (firmness, soluble solid content, starch index, and Streif Index). Based on the Pearson correlation coefficient (r) among thermal properties and the physical properties and the harvest fruit quality and maturity indices, thermal conductivity had moderate correlation with thermal diffusivity (0.44), moisture content (0.45), firmness (0.44), soluble solid content (-0.62), starch index (-0.53), flesh stain % (0.44), and Streif Index (0.46) during the growing season. Hence, thermal conductivity can detect the quality changes during the growing season and determine the harvest time of apple but not as the sole predictor.
Book Synopsis Maturity and Storage Properties of Some Varieties of Apples by : Salah el-Batal
Download or read book Maturity and Storage Properties of Some Varieties of Apples written by Salah el-Batal and published by . This book was released on 1963 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Some Changes in Eastern Apples During Storage by : Robert Claude Wright
Download or read book Some Changes in Eastern Apples During Storage written by Robert Claude Wright and published by . This book was released on 1955 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Maturity and Storage on Quality of "Gala," "Braeburn, " and "Fuji" Apples by : Anne Plotto
Download or read book Effect of Maturity and Storage on Quality of "Gala," "Braeburn, " and "Fuji" Apples written by Anne Plotto and published by . This book was released on 1993 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: In apples, the rapid changes occurring in fruit metabolism when approaching maturity affect their quality at harvest and after storage. The interest in the newly introduced cultivars, 'Gala', 'Braeburn' and 'Fuji' has initiated the following study on maturity indices and storage in the conditions of the Pacific Northwest. 'Gala', 'Braeburn' and 'Fuji' apples were sampled at weekly intervals from 108 to 143 days after full bloom (DAFB), 133 to 189 DAFB and 138 to 187 DAFB, respectively. Fruit color, firmness, soluble solids concentration (SSC), titratable acidity (TA), pH, starch hydrolysis and internal ethylene were determined at harvest. The same parameters except starch hydrolysis and internal ethylene were measured on fruits after regular storage at 0 ± 0.5C, every 6 wks for 'Gala', and 8 wks for 'Braeburn' and 'Fuji'. Additionally, apples were evaluated for overall liking (OL), firmness, sweetness, tartness and flavor intensities by a consumer taste panel approximately every 4 wks for 'Gala' and every 8 wks for 'Braeburn' and 'Fuji', until January, May and June, respectively. A principal component analysis (PCA) showed that all the measured maturity indices were important and the model could not be reduced. All the maturity indices could be used in 'Gala' to determine that the physiological maturity was attained 122 DAFB. Fruits harvested at that stage had the highest storage potential (January) but their color was not fully developed, whereas those harvested later had the best quality after short-term storage (October-November). Results of the sensory data and observation of fruit physiological disorders such as scald and internal breakdown led to establish that only fruits picked 168 and 175 DAFB had the best storage potential (April) for 'Braeburn'. SSC and hue angle of the ground color were the most obvious parameters on which to predict optimum harvest date in 1991. Internal ethylene showed the autocatalytic rise earlier, 154 DAFB. Starch index increased 175 DAFB. 'Fuji' fruits picked 173 and 180 DAFB were the only ones free from scald and retaining good quality after 8 months storage. The only reliable indices at harvest were the starch index and hue value of the ground color. 'Fuji' apples produced low levels of ethylene. A multivariate analysis of the data with 5 sensory descriptor variables revealed that a taste panel could differentiate between maturity stages. The loss of firmness and acidity occurring during maturation and in storage was well perceived, but firmness was the only instrumental variable correlated to sensory firmness. Additionally, changes in sweetness and in flavor not revealed by the analytical data were described. OL, sweetness and flavor ratings were not rated independently, but tartness and firmness were. Sweetness ratings contrasted those of tartness and firmness.
Book Synopsis Picking Maturity of Apples in Relation to Storage by : John Robert Magness
Download or read book Picking Maturity of Apples in Relation to Storage written by John Robert Magness and published by . This book was released on 1926 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Influence of Fruit Maturity on Certain Problems of Handling and Storage of Deciduous Fruits in Controlled-atmosphere by : Frank Gordon Mitchell
Download or read book The Influence of Fruit Maturity on Certain Problems of Handling and Storage of Deciduous Fruits in Controlled-atmosphere written by Frank Gordon Mitchell and published by . This book was released on 1961 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cornell Extension Bulletin written by and published by . This book was released on 1927 with total page 1244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diseases of Apples in Storage by : Charles Brooks
Download or read book Diseases of Apples in Storage written by Charles Brooks and published by . This book was released on 1920 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Storage diseases take a heavy annual toll on the harvested crop of apples, greatly reducing an important food supply and increasing the cost and uncertainty of market operations. The responsibility for this loss may lie with the orchardist, the transportation company, the dealer, or the storage management. Delay in warm packing sheds or cars shortens the natural life of apples and greatly increases their tendency to rots and to scald. Filling the storage rooms so rapidly that cold-storage temperatures can not be maintained has a similar bad effect. Apple rots are slow to start at a temperature of 32° F., but if a beginning has been made at a higher temperature they can proceed much more rapidly. Ventilation of storage rooms is of great value in scald prevention when the air within the package can really be renewed, but this is a difficult thing to accomplish under commercial conditions. Apples scald far less when in boxes, baskets or ventilated barrels than in the usual tight barrel. Wrapping apples in oiled wrappers furnishes the most complete protection against scald."--Page 2.
Book Synopsis The Effect of Apple Cultivar, Harvest Maturity and Storage Duration on the Carbon Dioxide Evolution Response of Fruit Damaged by Bruising by : Michael Lee Parker
Download or read book The Effect of Apple Cultivar, Harvest Maturity and Storage Duration on the Carbon Dioxide Evolution Response of Fruit Damaged by Bruising written by Michael Lee Parker and published by . This book was released on 1985 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Storage of Apples by : New York State College of Agriculture. Extension Service
Download or read book Storage of Apples written by New York State College of Agriculture. Extension Service and published by . This book was released on 1929 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cornell Extension Bulletin by : New York State College of Agriculture. Extension Service
Download or read book Cornell Extension Bulletin written by New York State College of Agriculture. Extension Service and published by . This book was released on 1928 with total page 1194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physical and Chemical Changes of Apples in Storage by : Chia En Wang
Download or read book Physical and Chemical Changes of Apples in Storage written by Chia En Wang and published by . This book was released on 1946 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fresh-Cut Fruits and Vegetables by : Olusola Lamikanra
Download or read book Fresh-Cut Fruits and Vegetables written by Olusola Lamikanra and published by CRC Press. This book was released on 2002-02-14 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive reference for the emerging fresh-cut fruits and vegetable industry, Fresh-cut Fruits and Vegetables: Science, Technology and Market focuses on the unique biochemical, physiological, microbiological, and quality changes in fresh-cut processing and storage. It highlights the distinct equipment design, packaging requirements, production economics, and marketing considerations for fresh-cut products. Based on the extensive research in this area during the last 10 years, this reference is the first to cover the complete spectrum of science, technology, and marketing issues related to this field.
Book Synopsis The Commercial Storage of Fruits, Vegetables, and Florist and Nursery Stocks by : Robert E. Hardenburg
Download or read book The Commercial Storage of Fruits, Vegetables, and Florist and Nursery Stocks written by Robert E. Hardenburg and published by . This book was released on 1986 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Note for the electronic edition: This draft has been assembled from information prepared by authors from around the world. It has been submitted for editing and production by the USDA Agricultural Research Service Information Staff and should be cited as an electronic draft of a forthcoming publication. Because the 1986 edition is out of print, because we have added much new and updated information, and because the time to publication for so massive a project is still many months away, we are making this draft widely available for comment from industry stakeholders, as well as university research, teaching and extension staff.
Book Synopsis Analysis of Physiological, Molecular, and Enzymatic Changes in Apple Fruit During Storage by : Harpartap Singh Mann
Download or read book Analysis of Physiological, Molecular, and Enzymatic Changes in Apple Fruit During Storage written by Harpartap Singh Mann and published by . This book was released on 2008 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
