NUTRITIONAL AND ANTIOXIDANT POTENTIAL OF LYOPHILIZED WHEAT GRASS JUICE AND SHOOT POWDERS
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Keywords:
Phytochemicals, HPLC, Polyphenols, DPPH activityAbstract
Young wheatgrass is rich in vitamins, minerals, chlorophyll, bioactive compounds, and fiber. In this
study, phytochemicals, proximate analysis, amino acids, individual polyphenols, minerals, and antioxidants
of lyophilized wheatgrass juice powder and shoot powder were estimated. Both the samples (juice and shoot
powders) showed the presence of phytochemicals such as alkaloids, tannins, cardio-glycosides, coumarins,
flavonoids, carbohydrates, etc. Further more, HPLC analysis of individual polyphenols showed that the juice
powder had significantly higher (P <0.05%) quercitin, sinnapic acid, chlorophyll, and essential amino acids
like valine, threonine. Wheat grass juice powder have shown significantly higher (p<0.05%) Fe and Zn than
shoot powder. Juice powder had significantly more (P<0.05) total polyphenols (15.20±1.0 mg/g), total flavonoids
(6.27±0.68 mg/g) than shoot powder, and DPPH activity with IC50 1.48±0.15 mg/g. This study highlights the
nutritional benefits of wheatgrass juice powder as lyophilization could reduce losses of nutrients and antioxidants.
These findings confirm that lyophilized wheatgrass juice powder is medicinally important with bioactive
compounds, antioxidant capacity, and have significant potential to incorporate in functional food products
those can be used to enhance the health benefits of consumer.
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