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13.692  Articles
1 of 1.370 pages  |  10  records  |  more records»
Paper description:The aim of this study is to improve the yield of flavonoid active ingredients from E. ulmoides leaves by establishing a high-performance extraction method.Ultrasound-microwave-assisted extraction was studied and the operational parameter... see more

Introduction: St. John’s Wort (Hypericum perforatum L.) is a plant from the Hypericaceae family commonly occurring in Europe, Asia, Africa and North America. It is used for medical purposes, for example in depression, viral or bacterial dis... see more

Introduction: During the industrial processing of the mango is wasted close to 40 % of by-products (BP, peel and paste). These BP contain carotenoids that benefit to the consumer’s health, such as, the carotenoids. Hence, it is a matter of interest to kno... see more

The main objective of this study was to compare ultrasound assisted extraction with soxhlet extraction method as control in the extraction ascorbic acid of fennel seeds. Treatment conditions were performed using soxhlet method (240 min at 85 °C) and ultra... see more

 Total polyphenols content (TPC), including flavonoids (rutin, mangiferin and kaempferol) and phenolic acids (gallic, caffeic and ellagic acid) from Physalis angulata were recovered by Ultrasound-Assisted Extraction and quantified by UV–vis and HPLC ... see more

Ultrasound-assisted extraction (US-AE) of total extractive substances from the herb Lady`s Bedstraw (Galium verum L.) is useful extraction method for its application in food manufacturing. The effect of different temperatures (T) and solvent-to-solid rati... see more

Maize filaments (MF) are the outer thread-like part of corn, which are widely used in traditional and official medicine. In the current study, central composite design (CCD) was used to investigate the effect of process variables on polyphenols contents f... see more

Vegetable sources and agro-industrial residues represent an important source of phenolic compounds that are useful in a wide range of applications, especially those with biological activities. Conventional techniques of phytochemical extraction have been ... see more

Anoectochilus formosanus Hayata was demonstrated to have a benefit healthy due to containing active pharmaceutical ingredients. However, A. formosanus is usually processed to produce tea bags which would destroy the bioactive compounds because of the proc... see more

1 of 1.370 pages  |  10  records  |  more records»