The effects of washing raw butter with hydrogen-rich water (HRW), prepared with hydrogen (H2) and/or magnesium (Mg), on butter quality were investigated in this research paper. During the washing process, titratable acidity (TA) decreased by 12% for all washed samples. During the storage period, TA increased by 28% and 93% (control), 14% and 58% (H2), and 10% and 66% (Mg) for the 60th and 90th days, respectively. Peroxide value (mEq O2/kg) increased to 2.76 and 8.83 (control), 1.92 and 7.25 (H2), and 2.02 and 8.12 (Mg) for the 60th and 90th days. HRW samples showed the lowest acid degree value (ADV) and the highest color notes (L*, C*, and h). The HRW treatment of raw butter has shown improving effects on the product without any harmful residuals in the final product or the environment.
The transfer of heavy metals to products during food processing forms serious health concerns. The impact of cultured‐cream butter washing with hydrogen‐rich water (HRW) on the deaccumulation of arsenic (As), cadmium (Cd), antimony (Sb), mercury (Hg), and lead (Pb) in butter was evaluated. Raw cultured‐cream butter was washed with ordinary water or HRW prepared with molecular hydrogen (H2) and magnesium (Mg). While ordinary water‐washed butter samples exhibited an increase in As (7%), Cd (62%), and Pb (206%) and a decrease in Sb (26%) and Hg (17%) levels, HRW samples showed a decrease in As, Cd, Sb, and Hg levels ranged between 14 and 74% except for Pb that increased by only 29% (Mg) and 3% (H2). The proposed method is a green and eco‐friendly strategy to solve the transfer problem of heavy metals to food products.
Turkey is the leading producer and exporter of hazelnuts, producing approximately 64% of global hazelnut production. This research investigated the effects of cultivars and altitude on the phenolic, antioxidant, and fatty acid compositions of five hazelnut cultivars grown at three different altitudes, 100 m, 350 m, and 800 m, in Ordu province, one of the territories that produce the most hazelnuts. The results showed that the cultivar and location significantly affected phenolic compounds, antioxidant activity, and fatty acid (FA) content. The lowest (2.30 mg/kg-Yağlı) and highest (21.11 mg/kg-Kara) gallic acids were obtained at 100 m. The highest total phenolic content and antioxidant activity were found in the nuts grown at 350 m in the Kara and Palaz cultivars, at 100 m in the Yağlı and Sivri cultivars, and at 800 m in the Çakıldak cultivar. Oleic acid was the predominant FA in the cultivars and possessed a diverse trend according to the altitude and cultivar, ranging from 76.04% to 84.80%, increasing with altitude in all cultivars except Çakıldak. Palmitic acid was the predominant saturated FA followed by stearic acid, which significantly varied according to the elevations. This study suggests that the responses of hazelnuts to altitude depend on the cultivar; hence, a proper approach to producing nuts containing more phenolic, fatty acids, and antioxidant activity includes choosing a suitable cultivar for a specific elevation.
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