http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Carlos Eduardo da Silva Oliveira,Tiago Zoz,Eduardo Pradi Vendruscolo,Agner de Freitas Andrade,Cássio de Castro Seron,Travis Wilson Witt 한국작물학회 2020 Journal of crop science and biotechnology Vol.23 No.5
The sowing operation is crucial for the proper initial establishment of seedlings and their development. However, there is a lack of studies about the eff ects of sowing depth of rice, as well as technologies that aid to mitigate the prejudicial eff ects caused by depth. In this way, the present work aimed to evaluate the initial growth of rice plants inoculated with Azospirillum brasiliense and treated with biostimulant sowed at diff erent depths. Randomized complete block design with four replica�tions was used, in a 4 × 4 factorial scheme. The fi rst factor was composed of diff erent seed treatments (a, control—with�out treatment; b, inoculation with A. brasilense ; c, seed treatment with Stimulate® and d, inoculation with A. brasilense associated with seed treatment with Stimulate ® ). The second factor was composed of four sowing depths (1.0, 3.0, 5.0 and 7.0 cm). Treatment of rice seeds with A. brasilense and Stimulate® decreases the rate of emergence. The sowing at 7 cm depth decreases in 41.44% of the emergence, when compared to sowing at 1 cm. Inoculation with A. brasilense and sowing at increasing depths are prejudicial to the growth of rice crop.
A comparison of Echium, fish, palm, soya, and linseed oil supplementation on pork quality
van Wyngaard Barbara Elizabeth,Hugo Arno,Strydom Phillip Evert,de Witt Foch-Henri,Pohl Carolina Henritta,Kanengoni Arnold Tapera 아세아·태평양축산학회 2023 Animal Bioscience Vol.36 No.9
Objective: Long chain n-3 polyunsaturated fatty acids (PUFA) exert positive effects on human health. The long chain n-3 PUFA of pork can be increased by adding fish oil to the diet. Due to the cost and availability of fish oil an alternative source must be found. Methods: This study evaluated the effect of five dietary oils on meat quality, fatty acid composition and lipid stability. The five diets contained 1% palm oil (Control), 1% soya oil, 1% linseed oil, 1% fish oil, and 1% Echium oil, respectively. The trial consisted of 60 gilts, randomly allocated to five groups. Results: All color parameters, extractable fat content, fat free dry matter, and moisture content of the m. longissimus muscle were unaffected by dietary treatment. Consumers and a trained sensory panel could not detect a difference between the control samples and the Echium oil sample during sensory analysis. Samples containing higher levels of PUFA (soya, linseed, fish, and Echium oil) had higher levels of primary and secondary lipid oxidation products after refrigerated and frozen storage. However, these values were still well below the threshold value where off flavors can be detected. The Echium oil treatment had significantly higher levels of long chain PUFA than the linseed oil treatment, but it was still significantly lower than that of the fish oil treatment. Conclusion: Echium oil supplementation did not increase the levels of n-3 to the same extent as fish oil did. The result did however suggest that Echium oil can be used in pig diets to improve muscle long chain n-3 fatty acid content without any adverse effects on meat quality when compared to linseed, soya, and palm oil.
In vitro study of the photocytotoxicity of bathochromically-shifted hypericin derivatives
Roelants, Mieke,Lackner, Bernd,Waser, Mario,Falk, Heinz,Agostinis, Patrizia,Van Poppeld, Hendrik,De Witte, Peter A.M. Korean Society of Photoscience 2009 Photochemical & photobiological sciences Vol.8 No.6
Hypericin has excellent photosensitizing properties and displays favorable tumouritropic characteristics, but at the same time exhibits minimal dark toxicity. As such, the compound is a promising photosensitizer in the context of clinical photodynamic therapy (PDT). The present study was undertaken to investigate whether a newly-synthesized series of hypericin derivatives with a bathochromic shift shows promise for future PDT applications. Potentially these structures offer an advantage over the parent compound by being photo-activated by red light, which penetrates deeper into tumour tissue. Our results show that 3 compounds (a dibenzoxazole, a pyridazinone, and especially a dibenzthiazole derivative of hypericin), designed to exhibit a bathochromic shift in their absorption spectrum, demonstrated an efficient singlet oxygen yield and intracellular uptake, and concomitantly a potent photocytotoxic effect under white-light conditions. These results indicate that it is possible to synthesize bathochromically-shifted compounds based on hypericin chemistry which maintain their PDT potential. However, the data also show that the present derivatives are only poor photosensitizers when used under red-light conditions.