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tree peony/antioxidant
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8 resultaten
Chemical Compositions and Antioxidant Activities of Essential Oils Extracted from the Petals of Three Wild Tree Peony Species and Eleven Cultivars.
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The aim of this study was to investigate the essential oil (EO) compositions and antioxidant activities from petals of three wild tree peony species (Paeonia delavayi, P. lutea, and P. rockii) and eleven P. suffruticosa cultivars from different cultivar groups. The EOs yields varied from 0.63% to
Green and Efficient PEG-Based Ultrasonic-Assisted Extraction of Polysaccharides from Tree Peony Pods and the Evaluation of Their Antioxidant Activity In Vitro.
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We adopted and developed an ultrasonic-assisted extraction method to obtain polysaccharides from tree peony pods using polyethylene glycol (PEG) as the solvent. The technological parameters have been designed as a single factor to enhance the tree peony pod polysaccharide extraction yield. Specific
Phenolic Profile and Antioxidant Activity of the Edible Tree Peony Flower and Underlying Mechanisms of Preventive Effect on H2O2-Induced Oxidative Damage in Caco-2 Cells.
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The entire phenolic profiles and antioxidant activities of different organs of the edible tree peony flowers (Fengdan Bai (FDB)) were analyzed. HPLC-quadrupole time-of-flight mass spectrometer (Q-TOF-MS/MS) analyses of individual phenolic compounds revealed that the petal and stamen contained
Determination of the phenolic content, profile, and antioxidant activity of seeds from nine tree peony (Paeonia section Moutan DC.) species native to China.
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As an important resource of functional food, the seeds of tree peony are rich in phenolic compounds, which are associated with antioxidant activity. However, so far there has not been systematic study on phenolic compositions and antioxidant activity of the seeds from wild tree peony species. The
Microwave-assisted simultaneous extraction of luteolin and apigenin from tree peony pod and evaluation of its antioxidant activity.
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An efficient microwave-assisted extraction (MAE) technique was employed in simultaneous extraction of luteolin and apigenin from tree peony pod. The MAE procedure was optimized using response surface methodology (RSM) and compared with other conventional extraction techniques of macerate extraction
Flavonoid composition and antioxidant activity of tree peony (Paeonia section moutan) yellow flowers.
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Tree peony flowers are edible and traditional Chinese medicine materials. In the present study, 26 flavonoids were identified and quantified in yellow flowers of tree peony by high-performance liquid chromatography with diode array detector (HPLC-DAD) and by HPLC-electrospray ionization-mass
Major Fatty Acid Profiles and Bioactivity of Seed Oils from Ten Tree Peony Cultivars as a Potential Raw Material Source for the Cosmetics and Healthy Products
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As a new woody oleaginous crop, tree peony is now being widely developed and utilized, which attributed to the outstanding oil-use features regarding the fatty acid profiles and bioactivity. The major fatty acid profiles and bioactivity of seed oils in ten tree peony varieties collected from a
[Determination of ten stilbenes and their antioxidant activity of peony seed coat, seed kernel and seed coat extracts].
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The seed of tree peony and herbaceous peony contained a variety of stilbenes which possess many pharmacological activities, such as antitumor, anti-inflammatory, allergy and neuraminidase inhibition. In order to develop and use peony seed resources, a simple and sensitive HPLC-DAD was developed for
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