Wild edible fruits have been gaining much interest more recently because of their better biochemical content and widely use in ethno medicine treating common disease such as cold, fever and other medicinal claims are now supported with sound scientific evidences. In this study, diversity of some important physicochemical characteristics (plant growth habit, fruit shape, fruit color, fruit weight, pulp ratio, soluble solid content, total phenolics, total anthocyanin, antioxidant activity, sugars, organic acids) of fruits from fourteen promising barberry (Berberis vulgaris L.) selections grown in Erzurum province in Turkey were investigated. Significant differences were observed between the studied genotypes for most of the physicochemical parameters. Fruit weight and pulp ratio were found between 0.102 (25ERZ5) and 0.342 g (25ERZ7) and 60.81% (25ERZ2) and 75.41% (25ERZ11). Total phenolic and anthocyanin content ranged from 2281 (25ERZ5) to 3462 (25ERZ7) as mg GAE per liter fruit juice and 360 to 874 mg as cyanidin-3-glucoside per liter fruit juice. Glucose and fructose were found to be dominant sugars in all barberry accessions analyzed.
Wild edible fruits have been used centuries by local people mainly for nutrition purposes and they have attracted the attention of researchers in the last decade throughout the world. Among wild edible fruits, the strawberry tree (Arbutus unedo) is widely distributed mainly in Mediterranean countries. However, the lack of information about strawberry tree genetic resources in Mediterranean countries is a major cause of its low exploitation by breeders. For a practical use and exploitation of the strawberry tree native germplasm, phenological, morphological, and biochemical characterization of the plant is essential. In this study, some important phenological, morphological, and biochemical characteristics of sixteen local strawberry tree genotypes were determined. Significant variations (p < 0.05) were observed in most of the investigated phenological, morphological, and biochemical traits of the genotypes. The genotypes were harvested between 2–21 November. The fruit weight and the number of fruits per cluster of the genotypes varied from 3.89 to 6.86 g and 3.61 to 7.94, respectively. Vitamin C and total dietary fiber contents of genotypes were found quite variable, ranging from 58 to 93 mg/100 g and 7.04 to 12.36 g/100 g, respectively. The fruits of the strawberry tree include mainly fructose and glucose rather than sucrose. Local strawberry tree genotypes are found to be promising for further valorization through horticultural characteristics for breeding. Some genotypes had significantly higher fruit weight, vitamin C concentrations, total dietary fiber, and total phenolic concentration and may be good selections for producing health products.
Some important morphological such as fruit weight, fruit external color, fruit shape, the number of berry per cluster, cluster color, plant crown habit, harvest date and biochemical characteristics including sugars, organic acids, total phenolics, total anthocyanins, and antioxidant capacity of thirteen wild grown Caucasian whortleberry sampled from Coruh valley, in northeastern Turkey, were determined. Antioxidant capacity was measured as FRAP assay (ferric reducing antioxidant power). Significantly differences were found among genotypes for most of the selected morphological and biochemical features. The genotypes had in general black fruit color and round shape. Harvest date varied from 2 August to 12 August. Fruit weight ranged from 0.37 to 1.08 g. Genotypes had only fructose and glucose in their fruits as sugars. Citric acid was dominant organic acids and was found between 8.87 and 11.20 g per kg of fresh fruits and followed by tartaric acid (2.85-3.30 g/kg). Fruits of genotypes exhibited very high total phenolic content, which ranged from 3740 to 5541 µg per g on a fresh weight basis. Total anthocyanin contents were between 81 and 172 µg of delphinidin-3-glucoside equivalent in per g fresh fruit indicating great diversity.
Oleaster-leafed pear (Pyrus elaeagrifolia Pall. subsp. elaeagrifolia) fruits are used for food and dietary supplements in Turkey, and seedlings are used as rootstock for pear cultivars. Information on the effect of genotypes on oleaster-leafed pear fruit characteristics is needed in order to optimize production of quality food and dietary supplements. The characteristics of oleaster-leafed pear fruits relative to genetic background were evaluated from 16 wild grown oleaster-leafed pear genotypes at eastern Turkey. Genotype influenced ripening dates, fruit weight, fruit length/width ratio, fruit pedicel length, fruit flesh texture, fruit firmness, the number of seeds per fruit, soluble solid content, titratable acidity, total phenolic content, total flavonoid content and antioxidant activity. Analysis of the data obtained from 16 oleaster-leafed pear genotypes demonstrated a highly significant influence of genotype on fruit characteristics. The genotypes G12, G13 and G9 had the highest fruit weight (19.22, 18.54 and 18.30 g) and G9 the highest total phenolic content (122 mg gallic acid equivalent/100 g fresh fruit). The genotypes G3, G5, G11 and G13 had the slightly sandy fruit flesh texture and those genotypes may be good selections for processing and producing health oleaster-leafed pear products.
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