Abstract

Recently, water scarcity has been a substantial problem facing agriculture in Egypt, with a great impact on food security and hence makes it a challenge to satisfy food demand. An aquaponic system with minimum water needs is considered a substitute technique to meet the demand of food shortages. Celery (Apium graveolens) is a widely cultivated herb belonging to the family Apiaceae and widely consumed as a popular ingredient in a wide range of dishes and food recipes. A total of 13 phenolic metabolites were detected and quantified using HPLC-ESI-MS/MS. Chlorogenic acid was detected as the most abundant phenolic compound accounting for 3471.58 mg kg−1. Moreover, 65 volatile compounds belonging to 12 different classes were detected using GS-MS with an abundance of aromatic hydrocarbons at ca.68.15%. and the main constituents were 6-phenyltridecane, 6-phenyldodecane, and 5-phenylundecane at ca.6.78%, 6.62%, and 6.13% respectively. It is the first time to report metabolic profile in celery grown in an aquaponic system.

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