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[Detection of antioxidative capacity of bamboo leaf extract by scavenging hydroxyl free radical].

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By studying on absorption spectrum of red compound coming from the reaction system of Fe2+ and 1, 10-phenanthroline and the capacity of antioxidant TBHQ and bamboo leaf extract for scavenging hydroxyl free radical, some results were drawn as follows: the determining wavelength of bamboo leaf extract

In vitro antioxidant activities of polysaccharides extracted from Moso Bamboo-Leaf.

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The objective of this study was to evaluate in vitro antioxidant capacities of polysaccharides extracted from Moso Bamboo-Leaf (BLP). The molecular weight of the polysaccharides were obtained by SEC-LLS and their molecular masses were 13.4×10(4)Da, 2.8×10(4)Da and 1.9×10(4)Da, respectively.

[Detection of antioxidative capacity of bamboo leaf extract by scavenging superoxide anion free radical].

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By studying absorption spectrum, oxidation velocity of pyrogallic acid reaction system, the effect of pyrogallic acid concentration and buffer pH value on the scavenging rate for superoxide anion free radical coming from reaction system was investigated, and some results were obtained as follows,

[Detection of antioxidative capacity of bamboo leaf extract by scavenging organic free radical DPPH].

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By studying on absorption spectrum of DPPH solution and DPPH reaction system, the conclusion was drawn as follows, the wavelength for the determination of DPPH reaction system by spectrophotometric method was chosen to be 518.4 nm, DPPH reaction system was 4.00 mL of 257.7 mg x L(-1) DPPH+1 mL of

Enzymatic acylation of flavone isolated from extractive of bamboo leaves with oleic acid and antioxidant activity of acylated product

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This present study aims to establish a relatively cheap and effective method for preparation of ester of flavone isolated from bamboo-leaf extracts. According to this method, the solubility of bamboo leaf extract in a lipid medium could be improved, which would expand the utilization of bamboo leaf

Evaluation of antioxidant and prooxidant activities of bamboo Phyllostachys nigra var. Henonis leaf extract in vitro.

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Solvent-extracted bamboo leaf extract (BLE) containing chlorogenic acid, caffeic acid, and luteolin 7-glucoside was evaluated in vitro for free radical scavenging and antioxidant activities using a battery of test methods. BLE exhibited a concentration-dependent scavenging activity of DPPH radical.

Research on antioxidant activity of EOB-F and its function in the diagnosis of heart and cerebral vessels.

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This paper introduces the research progress related to the antioxidant activity of bamboo leaf flavonoid (EOB-f) and its pharmacological activity of heart and cerebral vessels. The paper studied what role EOB-f played in the diagnosis of heart and cerebral vessels, based on the in vitro, in vivo and

Application of near infrared spectroscopy for the rapid determination of antioxidant activity of bamboo leaf extract.

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This study was carried out to evaluate the feasibility of using near infrared (NIR) spectroscopy for determining three antioxidant activity indices of the extract of bamboo leaves (EBL), specifically 2,2-diphenyl-1-picrylhydrazyl (DPPH), ferric reducing/antioxidant power (FRAP), and

Phenolic compounds and anti-oxidant capacity of twelve morphologically heterogeneous bamboo species.

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BACKGROUND Despite the growing interest in the use of bamboo for both food and health-related applications because it provides a rich source of anti-oxidants, there is still a lack of information on the responsible secondary metabolites of the great variety of bamboo species. OBJECTIVE To extend the

Chemical composition, and antioxidant and antimicrobial activities of essential Oil of Phyllostachys heterocycla cv. Pubescens varieties from China.

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The essential oils of Phyllostachys heterocycla cv. Pubescens, Phyllostachys heterocycla cv. Gracilis, Phyllostachys heterocycla cv. Heterocycla and Phyllostachys kwangsiensis leaves were obtained by steam distillation. Their chemical components were separated and identified by gas

Antioxidant and Compositional HPLC Analysis of Three Common Bamboo Leaves.

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Bamboo leaves of Phyllostachys nigra (PN), Lophatherum gracile (LG), and Pleioblastus amarus (PA) are three common herbs in China. In this work, a new high performance liquid chromatography (HPLC) method for the simultaneous determination of seven compounds in bamboo leaves has

Effect of Bamboo Leaf Extract on Antioxidant Status and Cholesterol Metabolism in Broiler Chickens.

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The objective of this study was to investigate the effects of dietary bamboo leaf extract (BLE) on antioxidant status and cholesterol metabolism in broilers. One-day-old male Arbor Acres (576) broilers were randomly divided into six groups. A control group was fed a basal diet, while five

Bamboo Leaf Flavonoids Extracts Alleviate Oxidative Stress in HepG2 Cells via Naturally Modulating Reactive Oxygen Species Production and Nrf2-Mediated Antioxidant Defense Responses.

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In this study, bamboo leaf flavonoids extracts (BFE) were employed to alleviate oxidative stress induced by oleic acid in HepG2 cells. Biochemical indexes, intracellular reactive oxygen species production, lipid droplets accumulation, antioxidant enzymes production, and mitochondrial membrane

Functional components of bamboo shavings and bamboo leaf extracts and their antioxidant activities in vitro.

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This study was designed to detect characteristic compounds and evaluate the free radical scavenging capacity of the bamboo leaves extract and bamboo shavings extract (BSE). The antioxidant capacity of bamboo leaf n-butanol fraction (AOB) exhibited the highest total phenolic content (49.93%), total

Neem, pawpaw and bamboo leaf meal dietary supplementation in broiler chickens: Effect on performance and health status.

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The effect of the diet supplemented with leaf meals (LM) of neem (NLM), pawpaw (PLM), bamboo (BLM) and their composite leaf mix (CLM) on broiler chickens was assessed. Three hundred 1-day old broiler chickens were distributed to five diets: (control/no LM), (5 g/kg NLM), (5 g/kg PLM), (5 g/kg BLM)

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