Abstract:Variability of health and bioactive compounds in strawberry (Fragaria × ananassa Duch.) cultivars grown under an Indian temperate ecosystem. Abstract-Introduction. Strawberry is rich in health as well as bioactive compounds, and benefits resulting from the use of natural products rich in bioactive substances are receiving increased interest from the pharmaceutical, food and cosmetic industries. Materials and methods. Twenty-two cultivars of strawberry (Fragaria × ananassa Duch.) grown under a temperate ecosyst… Show more
“…In the present work, phenolic content in fruits varied from 2.73 to 3.92 mg gallic acid equivalent/g FW and was similar to that obtained by other authors (Lal et al. , Wang et al. , Żebrowska et al.…”
Strawberries are a common and important fruit in human diet because of their high content of essential nutrients and beneficial phytochemicals, which have relevant biological activity in human health. In this study, six cultivars and 15 selected F1 hybrids between S4 inbred lines and tester (cv. ‘Dukat’) were evaluated in a field trial over a period of two consecutive years. The amounts of total anthocyanin, phenolics and vitamin C in fruits and antiradical activity were analysed. General combining ability (GCA) and mid‐parent heterosis were also determined for those characteristics. Among all the genotypes tested, the inbred lines of ‘Senga Sengana’ 17 showed the highest breeding value based on GCA for all studied traits. Estimated heterosis varied among genotypes tested. The highest heterosis in terms of vitamin C occurred in the offspring of clone 1387 18‐15 × ‘Dukat’, but with regard to phenols and antiradical activity in hybrid ‘Teresa’ 18‐15 with cv. ‘Dukat’. This study revealed that the differentiation in chemical composition of strawberry fruits between genotypes is clearly dependent on individual genotype combinations and demonstrated the presence of heterosis in phytochemical contents in some specific genotypic combinations.
“…In the present work, phenolic content in fruits varied from 2.73 to 3.92 mg gallic acid equivalent/g FW and was similar to that obtained by other authors (Lal et al. , Wang et al. , Żebrowska et al.…”
Strawberries are a common and important fruit in human diet because of their high content of essential nutrients and beneficial phytochemicals, which have relevant biological activity in human health. In this study, six cultivars and 15 selected F1 hybrids between S4 inbred lines and tester (cv. ‘Dukat’) were evaluated in a field trial over a period of two consecutive years. The amounts of total anthocyanin, phenolics and vitamin C in fruits and antiradical activity were analysed. General combining ability (GCA) and mid‐parent heterosis were also determined for those characteristics. Among all the genotypes tested, the inbred lines of ‘Senga Sengana’ 17 showed the highest breeding value based on GCA for all studied traits. Estimated heterosis varied among genotypes tested. The highest heterosis in terms of vitamin C occurred in the offspring of clone 1387 18‐15 × ‘Dukat’, but with regard to phenols and antiradical activity in hybrid ‘Teresa’ 18‐15 with cv. ‘Dukat’. This study revealed that the differentiation in chemical composition of strawberry fruits between genotypes is clearly dependent on individual genotype combinations and demonstrated the presence of heterosis in phytochemical contents in some specific genotypic combinations.
“…A wide variability was found in ascorbic acid, dehydroascorbic acid and total vitamin C, with coefficients of variation up to 46.07%. Wide natural variations in vitamin C and many other nutrients' content can be found in edible fruits, as can be seen from data in the scientific literature as well as food nutrient databases [3,12,27,[32][33][34][35]. Different factors may be involved in vitamin C content in the fruits, particularly in wild species, very influenced by climate conditions, due to its high instability at high temperatures or during light exposure.…”
Section: Compounds Of Rubus Ulmifolius Schott Fruitsmentioning
Wild Arbutus unedo L. and Rubus ulmifolius Schott fruits are underutilized sources of valuable bioactive compounds with antioxidant capacity.Abstract -Introduction. Several studies reveal the important role played by 'lesser-known' wild fruits since they contain nutritional and functional compounds which have biological properties. Materials and methods. Our work studied the presence of bioactive compounds such as vitamin C (ascorbic acid and dehydroascorbic acid), total phenolic content, phenolic acids, flavonols, anthocyanins and the antioxidant capacity (FRAP, ABTS •+ and DPPH• in vitro tests) in wild fruits of Arbutus unedo L. and Rubus ulmifolius Schott of Spanish origin, including samples from different seasons and locations. Results and discussion. A wide variability was found in the composition of fruits of the same species, which substantiates the importance of analyzing several batches of wild fruits, to achieve representative results, taking into account the natural variability. Arbustus unedo fruits showed higher vitamin C, mainly in the ascorbic acid form, and phenolic content than R. ulmifolius [(172-419) mg ascorbic acid⋅100 g -1 fw vs. (5.99-26.83) mg ascorbic acid⋅100 g -1 fw, and (773-1621) mg total phenolic compounds⋅100 g -1 fw vs. (376-1326) mg total phenolic compounds⋅100 g -1 fw, respectively]; phenolic acids and anthocyanins are the major groups of phenolic compounds found in both species, with gallic acid and cyanidin 3-glucoside as the main compounds. Arbustus unedo fruits showed significantly higher Folin-Ciocalteu values than those of R. ulmifolius. These values are higher than those reported for the majority of berries. The significant correlations found among different antioxidant compounds (r > 0.6300, P < 0.001) may reveal a protective effect between ascorbic acid and phenolic acids or anthocyanins in the fruits. Therefore, Arbutus unedo and R. ulmifolius fruits should be considered as new important sources of safe antioxidants. Espagne / Arbutus unedo / Rubus ulmifolius / fruits / composés phénoliques / teneur en phénols / antioxidant
“…The dissimilarity level in terms of genetic distance ranged from 0.317-1.41 indicating a high degree of dissimilarity between genotypes and high genetic distance between genotypes and if chosen for hybridization program, may give high heterotic F1s and broad spectrum of variability in segregating generations. Principal components analysis is a way of identifying patterns in data, which expresses data in such a way as to highlight their similarities and differences (Verma et al, 2014;Lal et al, 2013). Therefore, it was carried out to determine the characters more strongly contributed to the principal components.…”
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