Journal
SEPARATIONS
Volume 9, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/separations9030066
Keywords
sweet chestnut; bioactive characteristics; phenolic compounds; HRMS fingerprints; sugar profile; mineral composition; statistical analysis
Categories
Funding
- Ministry of Research, Innovation and Digitization [PN 19110302]
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This study investigated the bioactive characteristics, phytochemical and nutritional composition of six sweet chestnut cultivars grown in Romania. The results showed that the sweet chestnuts grown in Romania have similar bioactive and chemical composition to those grown in the large European chestnut-producing countries, indicating their high adaptability in the Romanian climate.
Chestnut (Castanea sativa Mill.), a valuable fruit crop, is cultivated in small areas in Romania, mostly in the west, where the moderate continental climate has a slight Mediterranean influence. This work aims to investigate the bioactive characteristics (total polyphenols, total flavonoids and antioxidant activity), individual polyphenolic composition, phytochemical and nutritional HRMS screening profiles, sugar and mineral composition of six sweet chestnut cultivars, namely 'Marsol', 'Maraval', 'Bournette', 'Precoce Migoule' and 'Marissard' grown at Fruit Growing Research-Extension Station (SCDP) Valcea, in Northern Oltenia, Romania. Fruit samples were collected in two consecutive years, in order to study the impact of genetic variability between cultivars and the influence of the different climatic conditions corresponding to different cultivation years. Principal Component Analysis (PCA) and Hierarchical Cluster Analysis (HCA) allow the discrimination between the sweet chestnut fruits harvested in different years and different sweet chestnut cultivars. Analytical investigations revealed that sweet chestnut cultivars grown in Romania show similar bioactive, phytochemical and nutritional composition to cultivars grown in the large European chestnut-producing countries, indicating the high adaptation potential of the chestnut in the temperate continental zone with small Mediterranean influences characteristic of the southwestern area of Romania.
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