Journal
FOODS
Volume 10, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/foods10112742
Keywords
wheat grass; barley grass; growth temperature; biochemical compounds; antioxidant enzymes
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In this study, it was found that the growth parameters of wheat and barley grasses were highest at 20/15°C temperature conditions, while the lowest parameters were observed at 10/5°C. However, the lower growth temperature of 10/5°C resulted in increased levels of bioactive compounds, antioxidant activities, and antioxidant enzymes in both types of grasses.
Wheat and barley grasses are freshly sprouted leaves of wheat and barley seeds, and are rich sources of phytochemicals. This study was conducted to investigate the effects of day and night temperatures on the growth, bioactive compounds, and antioxidant potential of wheat and barley grasses. Briefly, each grass was cropped in an organic growing medium at 10/5 & DEG;C, 20/15 & DEG;C, and 30/25 & DEG;C (day/night temperature) in a growth chamber by maintaining specific light (12/12 h light/dark; light intensity 150 mu mol photons m(-2) s(-1)) and humidity (60%) conditions for 8 days. The highest growth parameters (height, weight, and yield) were observed at the 20/15 & DEG;C growth conditions in both types of grass. Conversely, the lowest growth parameters were observed at 10/5 & DEG;C. However, the low growth temperature of 10/5 & DEG;C resulted in increased levels of bioactive compounds (total phenol, total flavonoid, and total vitamin C), antioxidant activities (2,2 & PRIME;-azino-bis (3-ethylbenzothiazoline-6-sulphonic acid and 2,2-Diphenyl-1-picrylhydrazyl radical-scavenging activity)), and antioxidant enzymes (guaiacol peroxidase activity, catalase activity, and glutathione reductase) in both types of grass. Therefore, proper temperature growth conditions of wheat and barley grasses may be a convenient and efficient method to increase bioactive compounds and antioxidant potential in our diet to exploit the related health benefits.
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