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  • Open Access


    Chemical Constituents from Turnip and Their Effects on α-Glucosidase

    Swastika Paul1,3, Xuemei Zhang1, Yongping Yang2, Changan Geng1,*

    Phyton-International Journal of Experimental Botany, Vol.89, No.1, pp. 131-136, 2020, DOI:10.32604/phyton.2020.08328

    Abstract Brassica rapa var. rapa (turnip) is an important crop in Qinghai-Tibet Plateau (QTP) with anti-hypoxic effect. Turnip is rich in glucosinolates, isothiocyanates and phenolic compounds with diverse biological activities, involving anti-oxidant, anti-tumor, anti-diabetic, anti-inflammatory, anti-microbial, hypolipidemic, cardioprotective, hepatoprotective, nephroprotective and analgesic properties. In this study, the ethyl acetate (EtOAc) and butanol parts of Brassica rapa were first revealed with inhibitory effects on α-glucosidase, whereas the water part was inactive. Subsequent bioassay-guided isolation on the EtOAc and butanol parts yielded 12 compounds, involving three indole derivatives, indole-3- acetonitrile (1) 4-methoxyindole-3-acetonitrile (2) and indole-3-aldehyde (3) two flavonoids, liquiritin (4) and… More >

  • Open Access


    Turnip mosaic virus infecting kale plants in Ordu, Turkey

    Sevik MA

    Phyton-International Journal of Experimental Botany, Vol.85, pp. 231-235, 2016, DOI:10.32604/phyton.2016.85.231

    Abstract Brassica oleracea var. acephala L. (kale) is widely grown in the Black Sea Region of Turkey. Kale growing has not been common in the other regions of Turkey. A number of diseases can seriously affect Brassica crop production. Field surveys were done to determine the occurrence of viruses in kale-growing areas in Ordu in 2013-2014. Leaf samples were collected from kale plants and tested for the presence of Turnip mosaic virus (TuMV), Cauliflower mosaic virus (CaMV), Turnip yellow mosaic virus (TYMV), and Cucumber mosaic virus (CMV) by DAS-ELISA and bioassays. Result of serological and biological tests showed that 7.7% of these More >

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