منابع مشابه
Pharmacognostical and Phytochemical Studies of Helleborus niger L Root
BACKGROUND Helleborus niger L (Ranunculaceae) is used Ayurvedic and Unani systems and other herbal medicine systems. The roots of H. niger have a good medicinal value. AIMS To conduct a pharmacognostical and phytochemical study of H. niger. MATERIALS AND METHODS The pharmacognostical studies on roots including parameters such as taxonomical, macroscopic, microscopic characters, physico-chem...
متن کاملReproductive Development of the Christmas Rose (Helleborus niger L.): The Role of Plant Hormones
Christmas rose (Helleborus niger L.), a native perennial of southeastern Europe, is characterized by an interesting phenomenon in the world of flowering plants: after fertilization perianth becomes green, photosyntheticaly active, and persists during fruit development. Removal of the reproductive organs (anthers and carpels) affects the elongation and vascular anatomy of flower stalk, prevents ...
متن کاملP01.16. A root extract of Helleborus niger possess cytotoxic properties in neuroblastoma cells
Purpose Helleborus niger (Ranunculaceae), commonly known as Christmas rose, is used in anthroposophically extended cancer therapy in the adjuvant treatment of different entities and reduction of chemotherapy-associated side effects. Although Helleborus niger is widely used in anthroposophic medicine, there is a lack of scientific clinical and preclinical data and until now it is applied on an e...
متن کاملCytokinins in the perianth, carpels, and developing fruit of Helleborus niger L.
Reproductive development in the Christmas rose (Helleborus niger L.) differs from that in commonly investigated model plants in two important aspects: (i) the perianth develops a photosynthetic system, after fertilization, and persists until seed ripening; and (ii) the ripe seed contains an immature embryo which continues to mature off the mother plant. The possible roles of cytokinins in these...
متن کاملAsparaginase from Aspergillus Niger Expressed in A. Niger
Asparaginase is an enzyme that catalyses the hydrolysis of the amino acid L-asparagine to Laspartic acid and ammonia. The asparaginase enzyme described in the DSM’s dossier is intended for use as a processing aid to reduce in food the levels of free L-asparagine, which is a major precursor in the formation of the food contaminant acrylamide. Acrylamide is formed from Lasparagine and reducing su...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Der Palmengarten
سال: 2018
ISSN: 2570-1290,0176-8093
DOI: 10.21248/palmengarten.364