Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Malak Aljoubbeh"'
Publikováno v:
Results in Chemistry, Vol 4, Iss , Pp 100638- (2022)
Tea is infamous for its iron absorption, which leads to iron deficiency due to its high polyphenols content that easily chelates non-heme iron. Thus, studying the formation of (−)-Epigallocatechin gallate (EGCG) complexes with iron ions in vitro mi
Externí odkaz:
https://doaj.org/article/966f41110b0949c585db19f3b800b8d7
Publikováno v:
Nutrition & Food Science, 2015, Vol. 45, Issue 5, pp. 766-773.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/NFS-04-2015-0037
Publikováno v:
Malaysian Journal of Science. 40:28-42
The boiled tea leaves residual was modified with oleum of weight 1:1 to prepare an adsorbent that is capable to adsorb nicotine on its surface. The surface properties of the sample were studied by using the FT-IR spectroscopy after each treatment res
Publikováno v:
Journal of Coordination Chemistry. 72:2337-2350
Polyphenols from various natural products are potent antioxidants and free radical scavengers due to their high tendency to chelate metals. UV and IR spectrum were recorded to determine the structu...
Publikováno v:
Nutrition & Food Science. 50:13-20
Purpose This paper aims to study the effect of cooking and food additives, such as lemon juice and vinegar, on phenols and flavonoids contents and antioxidant activity of purslane. Design/methodology/approach The Folin–Ciocalteu method was used to
Publikováno v:
Nutrition & Food Science. 46:583-594
Purpose There are many variations of brewing techniques which can impact both flavor and chemistry of the brew significantly. Therefore, the purpose of this study was to understand and identify the most common conditions used among a relatively large
Publikováno v:
Egyptian Journal of Chemistry.
THE MAIN purpose of this work is to remove lead ions from aqueous solution by using carbon of red beet roots (CRBR). The influence of contact time, initial concentration, temperature, pH of solution and the dose of adsorbent were studied. It was foun
Publikováno v:
Egyptian Journal of Chemistry.
A dried compressed coffee residue was calcinated at the temperature of 400 0C for 4 hours. It was analyzed quantitatively and qualitatively by using the X-Ray Fluorescence (XRF) spectroscopy. The coffee carbon surface was modified with oleum. The sur
Publikováno v:
Nutrition & Food Science. 45:766-773
Purpose – The purpose of this paper is to determine the total phenol content (TP) and total flavonoid content (TF) fluctuations in different infusions of lemon verbena. Dried leaves were harvested in May, July and October and prepared at various so
Publikováno v:
Nutrition & Food Science. 44:455-463
Purpose – The purpose of this paper was to determine total polyphenols (TP), total flavonoids (TF) and (-)-epigallocatechin gallate (EGCG) in five commercial tea extracts and in their infusions at various temperatures (95-60°C) and brewing times (