This study aimed to evaluate the effects of seven stages (Lonicera caerulea berry juice, after enzymatic hydrolysis, sugar and acid adjustments, fermentation, deacidification, clarification ageing) in making Lonicera wine on anthocyanins antioxidant capacity were studied. The total anthocyanin content was determined by pH-differential method. composition measured HPLC-MS/MS. 1,1-diphenyl-2-picr...

Blueberries are particularly rich in anthocyanins and favored extensively for their health benefits. In this study, the anthocyanin profiles of fruits four blueberry cultivars (Gardenblue, Legacy, Misty, Brightwell) were investigated. Total content gradually increased all during development, but mature Brightwell Gardenblue had a higher than those Legacy Misty. Thirty-two kinds quantified using...

A novel β-lactam derivative, albactam, was isolated from the alcoholic extract of the flowers of Albizia lebbeck. It showed a significant anti-aggregatory activity against adenosine diphosphate and arachidonic acid induced guinea-pigs' platelets aggregation in vitro. Six more known compounds were also isolated and fully characterized by measuring 1D and 2D NMR, two of them are the triterpenes β...

Lychee pulp contains phenolic compounds that are strong antioxidants, but the identities of the major antioxidants present are unknown. In the present study, the major contributors to the antioxidant activity of fresh lychee pulp were identified and their cellular antioxidant activities were investigated. Aqueous acetone extracts of lychee pulp were fractionated on polyamide resin, and those fr...

Litchi fruit pericarp (LFP) contains significant amounts of phenolics which have been found to exhibit diverse biological activities. The purpose of this work was to determine the varietal differences in phenolic profiles and antioxidant activity of LFP from nine commercially available cultivars. The total phenolic and flavonoid contents ranged from 9.39 to 30.16 mg gallic acid equivalents/g fr...

Forty-four taxa of three sections (Cinnamomeae (=Rosa) 26, Chinenses 8 and Gallicanae 10) and eight modern garden roses in the genus Rosa were surveyed for their floral anthocyanins. Eleven anthocyanins: 3-glucosides and 3,5-diglucosides of cyanidin (Cy), pelargonidin (Pg) and peonidin (Pn), 3-rutinosides and 3-rho-coumaroylglucoside-5-glucosides of Cy and Pn, and Cy 3-sophoroside, were isolate...

Natural plant extracts contain a variety of phenolic compounds which are assigned various biological activities. Our work aims to make a quantitative and qualitative characterization of the Zest (ZL) and the Flesh (FL) of lemon (Citrus limon), to valorize the pharmacological uses of lemon, by evaluating in vitro activities (DPPH, free radical scavenging and reducing power). The antibacterial, a...

Alzheimer's disease (AD), the most common form of dementia, is a neurodegenerative disease characterized by progressive cognitive deterioration together with declining activities of daily living and neuropsychiatric symptoms or behavioural changes. The oldest, on which most currently available drug therapies are based, is known as the "cholinergic hypothesis" and suggests that AD begins as a de...

In this study, some quality changes in the optimally thermosonicated (59°C-455 J g-1) cloudy strawberry nectar during storage were evaluated and modelled. The of pH (3.40-3.78), residual polyphenol oxidase-(PPO) activity (24%-11%), total phenolic-(TP) content (688.7-543.2 mg L-1), monomeric anthocyanin-(TMA) (142.5-84.4 anthocyanin, colorless phenolic compounds analyzed three months at 4°C. sig...