Melanin is a plenteous bioactive phenolic compound in date fruits (Phoenix dactylifera L.).

Tytuł:: Melanin is a plenteous bioactive phenolic compound in date fruits (Phoenix dactylifera L.).
Autorzy:: Alam MZ; Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University, P.O. Box: 15551, Al-Ain, United Arab Emirates.
Ramachandran T; Department of Physics, College of Science and National Water and Energy Center United Arab, Emirates University, P.O. Box: 15551, Al-Ain, United Arab Emirates.
Antony A; Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, United Arab Emirates University, P.O. Box: 15551, Al-Ain, United Arab Emirates.
Hamed F; Department of Physics, College of Science and National Water and Energy Center United Arab, Emirates University, P.O. Box: 15551, Al-Ain, United Arab Emirates.
Ayyash M; Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University, P.O. Box: 15551, Al-Ain, United Arab Emirates.
Kamal-Eldin A; Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University, P.O. Box: 15551, Al-Ain, United Arab Emirates. .
Źródło:: Scientific reports [Sci Rep] 2022 Apr 22; Vol. 12 (1), pp. 6614. Date of Electronic Publication: 2022 Apr 22.
Typ publikacji:: Journal Article; Research Support, Non-U.S. Gov't
Język:: English
Imprint Name(s):: Original Publication: London : Nature Publishing Group, copyright 2011-
MeSH Terms:: Phoeniceae*/chemistry
Fruit/chemistry ; Melanins/analysis ; Phenols/analysis ; Plant Extracts/pharmacology
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Substance Nomenclature:: 0 (Melanins)
0 (Phenols)
0 (Plant Extracts)
Entry Date(s):: Date Created: 20220423 Date Completed: 20220426 Latest Revision: 20220716
Update Code:: 20240105
PubMed Central ID:: PMC9033825
DOI:: 10.1038/s41598-022-10546-9
PMID:: 35459886
: Czasopismo naukowe

Pełny tekst

Date palm fruits (Phoenix dactylifera L.) were found to contain high levels of allomelanin (1.2-5.1%). The melanin is localized in the tanniferous cells between the inner and outer mesocarp tissues of the fruit. The melanin, extracted with 2 M sodium hydroxide, consisted of amorphous graphene-like granular structures of irregular shape and variable size. The date fruit melanin mainly comprises carbon (64.6%) and oxygen (30.6) but no nitrogen, and was thermally stable. It has radical scavenging (63.6-75.1 IC 50 , µg/mL), antimicrobial (250-1000 µg/mL), hypoglycemic (51.8-58.2%), and angiotensin-converting-enzyme inhibitory (65.8%) effects. The high level of melanin in date fruits highlights the importance of investigating its dietary intake and its impact on nutrition. This study also suggests that date fruit melanin can be a functional ingredient in foods, food packages, pharmaceuticals, and cosmetics.
(© 2022. The Author(s).)

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