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  Subjects -> NUTRITION AND DIETETICS (Total: 201 journals)
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Food and Health
Number of Followers: 1  

  This is an Open Access Journal Open Access journal
ISSN (Online) 2602-2834
Published by DergiPark Homepage  [183 journals]
  • Germinated foods and their effects on health

    • Authors: Zeynep KALAYCI; Aysel ŞAHİN KAYA
      Abstract: Plant sprouts attract attention as ready-to-eat healthy foods in many countries. Different processes such as adding nutrients to the environment, especially humidity and temperature, are also necessary to ensure optimum germination. Germination is an inexpensive and effective method for improving the nutritional quality of plants. In the past, germination of legumes, especially some grains such as wheat and barley, was a common practice, but today, alfalfa, broccoli, soybean and some other cereal grains are germinated and consumed as sprouts. The amount of antinutritional factors decreases with germination; The amount of bioactive compounds such as phenolic compounds, phytosterols, folate, gamma aminobutyric acid, antioxidant activity and digestibility can also increase. In addition, the synthesis of new compounds such as Ɣ-oryzanol and amino acids increases during the germination process. In addition to the many physiological effects of germinated nutrients; It has been reported that these foods may have a decrease in the risk of diseases such as cancer, diabetes, cardiovascular diseases and neurological diseases. Therefore, germinated foods are considered as functional foods. Various biological activities of germinated nutrients have still not been conclusively proven. Therefore, there is a need for more studies on the various bioactive component contents of germinated foods and their effects on human health.
      PubDate: Sat, 01 Oct 2022 00:00:00 +030
  • The effect of ultrasound times and amplitudes on the solubility and
           turbidity of whey protein concentrate

    • Authors: Menekşe BULUT
      Abstract: The current work was conducted to explore the influence of ultrasound times and amplitudes on the solubility and turbidity of whey protein concentrate (WPC). Ultrasound (US) application was employed using VC-750 ultrasonic power equipment with the frequency of 20 kHz at various times (10, 20, and 30 minutes at 50% amplitude) and amplitudes (60%, 80%, and 100% for 5 min). The outcomes exhibited that the US process have a significant impact on both solubility and turbidity (p<0.05). The highest protein recovery was obtained for the samples exposed to 30 min the US at 100% amplitude (65.56%). WPC samples treated at 100% amplitude showed higher solubility compared to the other samples at 60% and 80% amplitudes. While the solubility of WPC samples treated with 10 min showed the lowest solubility (9.13%), samples treated with 30 min showed the highest solubility (38.14%). There is a negative relationship between solubility and turbidity. All US-treated samples showed less turbidity and higher solubility where the control WPC samples showed the most turbid structure (0.88 NTU) with the lowest solubility (4.15%). Overall, US treatment with 30-minutes at 100 % amplitude showed the highest solubility (65.56%) and least turbidity (0.26 NTU) compared to the other sonication times and amplitudes. 
      PubDate: Sat, 01 Oct 2022 00:00:00 +030
  • The effect of heat treatment on the nutritional and antioxidant content of
           different milk types

    • Authors: Begüm GÜREL GÖKMEN; Hava TASLAK, Ozan ÖZCAN, Güzin Göksun SİVAS, Sümeyye YILMAZ KARAOĞLU, Tuğba TUNALI-AKBAY
      Abstract: Heat treatments may cause some chemical and physicochemical changes in milk, although milk is a heat-stable system. Heat treatments can cause different changes in different types of milk. This study aimed to compare the effects of pasteurization and boiling on goat and cow milk's macromolecular contents, glutathione levels, and superoxide dismutase activities. The protein level of both types of milk decreased with the pasteurization process, and boiling also reduced the protein level of goat milk. Both heat treatments reduced superoxide dismutase activity and glutathione levels in both types of milk. While the boiling process did not change the cow's milk lactose level, it increased the goat milk lactose level. It was determined that pasteurization reduced the lactose level in both types of milk. Pasteurization did not change the fat level in cow milk but decreased the fat level in goat milk. In conclusion, cow milk was less affected by these heat treatments, which can be attributed to having large fat globules, high lactose concentration, and high heat resistance protein content compared to goat milk.
      PubDate: Sat, 01 Oct 2022 00:00:00 +030
  • Evaluation of university students' knowledge, attitudes, and
           practices on food safety in Bolu, Türkiye

    • Authors: Emrah GÖKÇEEL; Aylin AKOĞLU
      Abstract: This study aims to assess the food safety knowledge, attitudes, and practices of university students in Türkiye. A cross-sectional study was conducted with the participation of 630 university students from the departments of Gastronomy and Culinary Arts (GCA), Food Engineering (FE), Nursing (NUR), and Physical Therapy and Rehabilitation (PTR) in Bolu, Türkiye. The GCA students scored the highest (25.46 ±2.85) and the NUR students scored the lowest (21.81 ±3.27) on food safety knowledge. The GCA students scored the highest (51.42 ±5.58) and the NUR students scored the lowest (49.00 ±6.07) on food safety attitudes. The FE students scored the highest (10.12 ±1.69) and the NUR students scored the lowest (9.69 ±1.77) on food safety practices. The students who took a course on food safety had significantly higher scores on food safety knowledge, attitudes, and practices than those who did not. Although the students' food safety scores were above average, they had a lack of knowledge and concerns in many areas. It was emphasized the importance of food safety education to fill the knowledge gaps and thus to prevent foodborne illnesses.
      PubDate: Sat, 01 Oct 2022 00:00:00 +030
  • Food purchasing, food hygiene, and nutritional behaviors of consumers
           during the COVID-19 pandemic

      Abstract: An online questionnaire, consisting of 24 questions was applied to determine individuals' food purchasing, food hygiene, and nutritional behaviors during the COVID-19 pandemic. Of 658 respondents, 67% were female, 33% were male, 60% were 18-24 years old, and 25% were 25-31 years old. Supermarket shopping (73.9%) was the most preferred way to supply food, while the primary stocked up food was dried legumes (59.1%). The nutritional values and contents of foods were more paid attention to than before the COVID-19 pandemic, and the packaged foods (79.3%) were primarily preferred. The most preferred methods for cleaning fresh fruits and vegetables were washing under running water (59.7%) and soaking in water with vinegar (43.2%). The participants intended to eat healthy foods during the COVID-19 pandemic. However, the daily meal counts increased slightly. Food supplements, mainly vitamin C (73%) and vitamin D (40.5%) were consumed to strengthen the immune system. Additionally, social media (31.9%) and TV programs (20.3%) were very effective after medical doctor recommendations (32%) for orienting the nutritional behaviors of participants.
      PubDate: Sat, 01 Oct 2022 00:00:00 +030
  • Investigation of cyto-genotoxic effects of a food sweetener Acesulfame

    • Authors: Sevcan MAMUR; Deniz YÜZBAŞIOĞLU, Sabire Nur BÜLBÜL, Fatma ÜNAL
      Abstract: Acesulfame potassium (ACE-K) is an artificial sweetener widely used in many foods. This investigation assessed the cytotoxic effect of ACE-K using MTT assay in human hepatocellular carcinoma (HepG2) cell line and the genotoxic effect using chromosomal aberrations (CAs), micronucleus (MN), and comet assays in human lymphocytes. 7.5-240 μg/mL concentrations of ACE-K were applied to cells. ACE-K notably decreased the cell viability on HepG2 cells, especially at 120 and 240 μg/mL at 24 and 48 h. It also significantly reduced the mitotic index (MI) at 60, 120, and 240 μg/mL at both treatments (24 and 48 h) in human lymphocytes. The frequency of the CAs significantly increased at 60, 120, and 240 μg/mL for 48 h treatment compared to control. However, no difference was observed in the frequency of MN and nuclear division index (NDI) at all the treatments. ACE-K also induced comet tail length, tail intensity, and moment at 15 μg/mL in isolated human lymphocytes. Therefore, ACE-K showed a cytotoxic effect in HepG2 cells as well as human lymphocytes at higher concentrations. It also exhibits a mild genotoxic effect by increasing the frequency of CAs at long-term treatment and DNA damaging effect only at 15 μg/mL.
      PubDate: Sat, 01 Oct 2022 00:00:00 +030
  • Determination of some quality parameters in Horoz Karası grape

    • Authors: Nazan BALBABA; Sefair BAĞCI
      Abstract: In this study, some quality elements of the Horoz Karası grape variety were investigated. For this purpose, cluster, berry, total soluble solids (TSS), titration acidity, pH level, berry color, total phenol, and antioxidant activity were determined in sample clusters of the Horoz Karası grape variety taken from the producer vineyards in Kahramanmaraş. In the Horoz Karası grape cultivar, total soluble solids (TSS) level was recorded between 16.6-25.35%, titratable acidity between 0.189-0.517, pH level 3.62 and 3.94. In Horoz Karası grape samples, L*, which expresses brightness, was determined between 25.64 and 29.97, a* value between 0.32-1.33, b* value between -0.91 and -0.23. Chroma value was recorded between 0.43-1.85 and CIRG (Color Index of Red Grapes) values were between 7.02 and 8.25. Hue angle was recorded between -40.88 - (-33.31) values in CIE (Commission Internationale de L'éclairage) color coordinate. According to the Hue angle values, the color of the berry of the Horoz Karası variety was recorded as purple.
      PubDate: Sat, 01 Oct 2022 00:00:00 +030
  • Coffee: Health effects and various disease treatments

    • Authors: Thi Sinh VO; Tran Thi Bich Chau VO, Tran Thi Thu Ngoc VO
      Abstract: To respond the growing demands for consuming natural foods, biochemical compounds originated from natural sources can be one of significant purposes for numerous researchers. In this review, we summarize the literatures regarding to the health effects of coffee consumption toward various human disease treatments, i.e., diabetes, cancer, liver diseases, and neurodegenerative diseases. The consumption of natural products is being common and considered significantly, for example, the potentially functional features of biochemical compounds contained in coffee have significantly contributed to clinical treatments of different human diseases. The experimental and epidemiologic evidences are indicated in this review to probably contribute to elucidate the protective effects of coffee consumption on several human diseases; besides, it is not still certain whether the consumption of coffee should be recommended to patients in some cases. Moreover, the chemical features and health benefits of coffee are introduced shortly, which can support readers understanding in detail to the benefits and the roles of coffee compounds.
      PubDate: Sat, 01 Oct 2022 00:00:00 +030
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