1,720,956 research outputs found
Nutritional, physico-chemical and health-promoting properties of selected watermelon (citrullus lanatus (thunb.) matsum. & Nakai) varieties
Get PDFWatermelon (Citrullus lanatus) is a popular fruit among Malaysian. Red-fleshed seedless, red-fleshed seeded and yellow-fleshed watermelon are mostly selected as a dessert and available throughout the year in local markets. However, studies that look into the health properties of watermelon are still lacking. Therefore, this study determined the nutritional, the physico-chemical and the health-promoting properties of different types of watermelons. The results obtained that red-fleshed seedless watermelon contained 89.6 ± 4.3%
moisture, while red-fleshed seeded and yellow-fleshed watermelon had 87.5 ± 2.6 % and 87 ± 2.7 %, respectively. Furthermore, no significant difference was detected for most nutritional and physico-chemical analyses between the samples. However, there were significant differences for colour value (L*, a* and b*) and amount of sucrose. Yellow-fleshed watermelon has the highest values for L* (49.99 ± 6.92), followed by red-fleshed seedless watermelon (43.44 ± 3.48) and red-fleshed seeded watermelon (38.2 ± 5.09). Yellowfleshed watermelon also has the lowest value of a* (5.77 ± 2.00) and the
highest value of b* (32.59 ± 8.77). Types of sugars present in red-fleshed seedless, red-fleshed seeded and yellow-fleshed watermelon were glucose,fructose and sucrose. The amount of total sugar was 95 ± 25.2 mg/g for redfleshed seedless, 113.8 ± 31.6 mg/g for red-fleshed seeded and 103.1 ± 27.7 mg/g for yellow-fleshed watermelon. There was a positive and strong correlation between total soluble solid and total sugar (r2 = 0.75). Meanwhile, the antioxidant contents among these watermelons were evaluated using total phenolic content (TPC), 2,2-diphenyl-1-picrylhydrazyl radical scavenging
(DPPH), Trolox equivalent antioxidant capacity (TEAC) and ß-carotene bleaching. The red-fleshed seedless watermelon had the highest amount of phenolic content (21.58 ± 2.9 mg GAE/100g edible portion) and ß-carotene bleaching activity (57.29 ± 3.53%) while red-fleshed seeded watermelon had the highest amount of antioxidant capacity (1.17 ± 0.43 μmol TE/g edible portion) and percentage radical scavenging activity of DPPH (21.14 ± 2.03)
compared to yellow-fleshed watermelon. Furthermore, the highest correlation between the red-fleshed and yellow-fleshed watermelon showed a positive correlation (r2 = 0.877) with a significant difference (p<0.01) observed between total phenolic content and ß-carotene bleaching activity, while the lowest correlation (r2 = 0.344) had no significant difference for total phenolic content
with antioxidant capacity. The glycemic index was conducted on 14 healthy subjects who that consumed 25 g of available carbohydrate portions of glucose
(standard food) and four test foods (red-fleshed seedless watermelon, redfleshed seeded watermelon and yellow-fleshed watermelon, as well as a glass of red-fleshed seedless watermelon juice) in random order after an overnight fast. Red-fleshed seedless watermelon was usually processed as juice than red-fleshed seeded and yellow-fleshed watermelon. Glucose was measured at
0, 15, 30, 45, 60, 90 and 120 min after intake of the test foods. Incremental areas under the curve were calculated, whereas the glycemic index was determined by expressing the area under the curve after the test foods, as a percentage of the mean area under the curve after consuming standard food,was carried out. The results showed that the area under the curve for a portion
of red-fleshed seedless was 98.17 ± 6.39, red-fleshed seeded (94.10 ± 7.45),yellow-fleshed (92.95 ± 8.73), and a juice of red-fleshed seedless (98.89 ±6.38) did not have any significant difference (p<0.05). It means the glycemic index among samples did not significant differ statistically. The glycemic index of a portion fruit and the juice of red-fleshed seedless watermelon was 51,
while red-fleshed seeded watermelon was 48 and yellow-fleshed watermelon was 47. The study showed that different colours of watermelon contributed to different antioxidant capacities and the red-fleshed watermelon had the highest antioxidant content. Furthermore, all watermelons sample could be classified as low GI food (GI value below 51) with the strong influences of component of sugar contents due to linear negative relationship between blood glucose response and glycemic index value, as well as with the amount of fructose for red-fleshed seedless, red-fleshed seeded, and yellow-fleshed watermelon
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Get PDF“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Get PDFWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Get PDFWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
Author Under Sail The Imagination of Jack London, 1893-1902
No full textIn Author Under Sail, Jay Williams offers the first complete literary biography of Jack London as a professional writer engaged in the labor of writing. It examines the authorial imagination in London's work, the use of imagination in both his fiction and nonfiction, and the ways he defined imagination in the creative process in his business dealings with his publishers, editors, and agents. In this first volume of a two-volume biography, Williams traverses the years 1893 to 1902, from London's "Story of a Typhoon" to The People of the Abyss. The Jack London who emerges in the pages of Author Under Sail is a writer whose partnership with publishers, most notably his productive alliance with George Brett of Macmillan, was one of the most formative in American literary history. London pioneered many author models during the heyday of realism and naturalism, blurring the boundaries of these popular genres by focusing on absorption and theatricality and the representation of the seen and unseen. London created an impassioned, sincere, and extremely personal realism unlike that of other American writers of the time. Author Under Sail is a literary tour de force that reveals the full range of London as writer, creative citizen, and entrepreneur at the same time it sheds light on the maverick side of machine-age literature.Intro -- Title Page -- Copyright Page -- Dedication -- Contents -- Acknowledgments -- Introduction -- 1. Spirit Truth -- 2. From Absorption to Theatricality and Back Again -- 3. "I Will Build a New Present" -- 4. Sons as Authors -- 5. Fathers as Publishers -- 6. The Daughter as Author -- 7. Lovers as Authors -- 8. At Sea with the Family -- 9. Yellow News, Yellow Stories -- 10. The Return Home -- Notes -- Bibliography -- Index -- About Jay WilliamsIn Author Under Sail, Jay Williams offers the first complete literary biography of Jack London as a professional writer engaged in the labor of writing. It examines the authorial imagination in London's work, the use of imagination in both his fiction and nonfiction, and the ways he defined imagination in the creative process in his business dealings with his publishers, editors, and agents. In this first volume of a two-volume biography, Williams traverses the years 1893 to 1902, from London's "Story of a Typhoon" to The People of the Abyss. The Jack London who emerges in the pages of Author Under Sail is a writer whose partnership with publishers, most notably his productive alliance with George Brett of Macmillan, was one of the most formative in American literary history. London pioneered many author models during the heyday of realism and naturalism, blurring the boundaries of these popular genres by focusing on absorption and theatricality and the representation of the seen and unseen. London created an impassioned, sincere, and extremely personal realism unlike that of other American writers of the time. Author Under Sail is a literary tour de force that reveals the full range of London as writer, creative citizen, and entrepreneur at the same time it sheds light on the maverick side of machine-age literature.Description based on publisher supplied metadata and other sources.Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, YYYY. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries
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