Objective: To explore the structural characteristics of condensed tannins from Ziziphus jujuba leaves and their effect on tyrosinase and the inhibition mechanism for melanogenesis.Methods: The condensed tannins from Z.jujuba leaves were isolated and purified on the basis of Sephadex LH-20 gel column chromatography, and their structural features wer
The growth and quality of medicinal plants depend heavily on environmental variables.The quality of Rubia cordifolia, an important medicinal plant, is determined by the two main secondary metabolites of the Entertainment Unit root, purpurin and mollugin.However, their relationship with environmental factors has not been studied.In this study, the p
An online evolving clustering (OEC) method equivalent to ensemble modeling is proposed to tackle prognostics After Care problems of learning and the prediction of remaining useful life (RUL).During the learning phase, OEC extracts predominant operating modes as multiple evolving clusters (EC).Each EC is associated with its own Weibull distribution-
On the basis of the study of recent scientific literature about the development of attachment, the author answers the following questions: which are the postulates the theory of attachment has about the stability of the patterns of attachment, which level of stability in the patterns of attachment from infancy to adulthood these studies illuminate
This article examines the role of the Vallombrosan congregation in the flourishing of artistic activity in Florence during the 15th and 16th centuries.By considering the renewal of artworks in the churches of Santa Trinita SPROUT PROTEIN CHOC and San Pancrazio, it offers an interpretative framework for the artistic choices made by the Vallombrosan