代谢组
代谢组学
化学计量学
牙髓(牙)
化学
食品科学
糖
栽培
气相色谱-质谱法
色谱法
植物
质谱法
生物
医学
病理
作者
Rana M. Ibrahim,Mohamed S. Sedeek,Amr Abdel Wareth,M. R. Khalifa,Abd El Monem Gendy,Mohamed A. Farag
标识
DOI:10.1016/j.foodchem.2024.141125
摘要
This study comprehensively analyzes the primary metabolites of sweet potato peels and pulps from four cultivars and assesses the impact of four different processing methods on pulp metabolome using a multiplex metabolomics approach of GC-MS and NIR. A total of 69 metabolites were identified. Beauregard cv. showed the highest sugar content (387.85 mg/g), whereas Sahrawy cv. was higher in alcohols (24.63 mg/g) and organic acids (2.98 mg/g). The chemometric analysis identified key markers that distinguished each cv. represented by its pulp, peel, and processed pulp. KEGG enrichment analysis pinpointed key metabolic pathways leading to the metabolic discrepancy of the specimens. Sugars were the most altered class by processing as manifested by a 5 to 11-fold increase, notably in the air-fried pulp. Air-frying also increased alcohol and organic acid contents. NIR analysis revealed that air-frying was the preferred method of processing, preserving the majority of pulp's metabolites, including β-carotene and phenolics.
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