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1
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Effect of ethrel on the starch sugar changes of off-season fruits of mango (Mangifera indica l. var. Neelum) during ripening

100%
Venkatesan T., Tamilmani C.
International Letters of Natural Sciences
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2014
|
tom 02
The present investigation is aimed at studying the effect of ethrel on the ripening of off-season fruits of Mangifera indica L. var. Neelum. The control fruits were kept in the laboratory naturally while the experimental fruits were treated with different concentrations of ethrel (100, 200 and 300 ppm). In control fruits, partial ripening led to incomplete metabolic changes, which did not alter the presence of sourness in the fruits. Hence, they were not fit to be eaten. On the other hand, the fruits treated with different concentrations (100, 200 and 300 ppm) of ethrel ripened on 13th day, 11th day and 9th day respectively after treatment. The colour changed from green greenish to yellow and the fruits were palatable in nature. The starch decreased during ripening, both in the treated and control fruits. On the other hand, the sugar, alpha-amylase, beta-amylase, activities increased. Among the different 100, 200 and 300 ppm ethrel treatments, the 200 ppm alone had the optimum effect on the ripening of off-season fruits of Mangifera indica L. var. Neelum.
2
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The effect of different ripening stages of durian Durio zibethinus fruit on zinc content in liver of rats loaded with cholesterol

100%
Jesion I., Leontowicz M., Leontowicz H., Gralak M. A., Kmiec H., Gorinstein S., Haruenkit R.
Annals of Warsaw University of Life Sciences - SGGW. Animal Science
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2014
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tom 53
The effect of different ripening stages of durian Durio zibethinus fruit on zinc content in liver of rats loaded with cholesterol. Durian Durio zibethinus is an exotic, climacteric fruit, rich in dietary fiber, polyphenols, saccharides, vitamins and minerals. Postharvest changes in durian fruit influence its physical and chemical quality, which determined its health protective effect – antioxidant and hypocholesterolemic. Durian is a good source of zinc. The aim of this study was to investigate the zinc content in lyophilisate of durian fruit and in the diets supplemented with durian fruits at different stages of maturity. The in vivo experiment was designed to determine the influence of these diets on zinc content in the liver of rats loaded with cholesterol. The zinc content in durian fruit, in the diets, and in rats livers was examined using a flame atomic absorption spectrophotometry (Perkin-Elemer 1100B). The zinc content in durian fruits ranged from 8.1 to 12.3 mg/kg. The zinc content amounted 45.0, 44.2, 47.1, 47.3 and 48.0 mg/kg in C, ch, chDM, ch DR and chDOR diet, respectively. The content of zinc in the liver in all animal groups was within the normal limits and amounted from 25.0 to 33.0 mg/kg fresh weight. Diet supplemented with durian fruits at different stages of ripening increases accumulation of zinc in the liver of rats loaded with cholesterol. Durian fruits, especially ripe ones, could be used as a natural supplementation of zinc in the diet and might be helpful in prevention of diseases or disorders related to zinc deficiency.
3
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Stress analysis as a determinant of salami rennet cheese ripening

80%
Balejko J. A.
Polish Journal of Food and Nutrition Sciences
|
2007
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tom 57
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nr 3
275-279
Changes of mechanical properties of the Salami rennet cheese were monitored during 12 weeks of the ripening process. The dynamic method of direct measurement of sinusoidal changes of stress and deformation and computer analysis of the thermodynamic state of the material under study were applied. The analysis of changes of stress level during the ripening process and a comparison with the analytical method, showed usefulness of the method applied. The speed of the method applied makes it possible to get instant qualification of stages of Salami cheese ripening process. The analysis of stress values in the cheeses section under study was proved to be a useful method for determining the ripening rate.
4
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Change in strength of tomato fruit skin during ripening process

80%
Ciupak A., Gladyszewska B., Dziki D.
Teka Komisji Motoryzacji i Energetyki Rolnictwa
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2012
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tom 12
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nr 2
5
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Evaluation of phenotypic and genotypic diversity of some Polish and Russian blue honeysuckle (Lonicera caerulea L.) cultivars and clones

80%
Gawronski J., Hortynski J., Kaczmarska E., Dyduch-Sieminska M., Marecki W., Witorozec A.
Acta Scientiarum Polonorum. Hortorum Cultus
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2014
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tom 13
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nr 4
Blue honeysuckle due to the high health benefits of its fruit, early ripening (before the first strawberries cultivars) and high frost resistance of both plants and flowers has gained the great popularity both in cultivation and breeding. The implementation of the breeding program of new cultivars requires the knowledge of the characteristics that determine its direction in the selected material. Therefore, in this study the evaluation of the phenological phases, yield, fruit weight, number of seeds per fruit and pollen viability in the cultivars and breeding clones of this species was made. The tested cultivars and clones had different levels of the analysed qualities except the pollen viability which was high but did not differ significantly within the genotypes. The evaluation of such characteristics as yield potential and fruit weight indicates that cultivars ‘Warszawa’, ‘Wojtek’ and T2 clone which had higher values of these characteristics as compared to other genotypes are possible to be used in breeding programme. Obtainment of the forms with early fruit ripening can be realised through the use of the selected Russian cultivars. The objective of this study was also to characterise the blue honeysuckle germplasms using RAPD markers and to assess their genetic similarity. The analysed primers produced 61 fragments out of which 57 (93.44%) were polymorphic. The genetic similarity matrix was made on the basis of RAPD markers. The mean genetic similarity was calculated at 0.56. The presented study confirms that the use of RAPD markers is a practical and effective method to evaluate the genetic similarity of blue honeysuckle genotypes and to establish genetic relationships between these genotypes.
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