Colorimetric estimation of amino acids and peptides with the Folin phenol reagent
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Cited by (16)
The impact of ultrasound duration on the structure of β-lactoglobulin
2021, Journal of Food EngineeringCitation Excerpt :The samples were precipitated with 30% cold trichloroacetic acid for 30 min at 30 °C to remove the unhydrolyzed β-Lactoglobulin. The peptide yield was determined using the Folin phenol reagent as described by Matsushita et al. (1966) The mean particle size and zeta potential of freshly treated β-lactoglobulin samples were measured by dynamic light scattering using a Malvern Nanosizer ZS (Malvern, Worcestershire, UK) at 25 °C.
Effect of in vitro digestion on phenolics and antioxidant activity of red and yellow colored pea hulls
2021, Food ChemistryCitation Excerpt :These molecules display antioxidant activity (Ambigaipalan, Al-Khalifa, & Shahidi, 2015; Ma et al., 2018), and their release would increase the antioxidant effect of the digestion samples. The increase of TPC may be explained by the fact that proteins and their hydrolysates would also be detected by Folin-Ciocalteu method (also used for TPC test) and therefore increase the TPC (Matsushita, Iwami, & Nitta, 1966). In general, the present study demonstrated that phenolics, including flavonoids, in red and yellow colored pea hulls were released gradually during the in vitro digestion and their contents in digestion samples were generally decreased in the order of sequential digestions.
Modification of soy protein isolate by glutaminase for nanocomplexation with curcumin
2018, Food ChemistryCitation Excerpt :The freeze-dried protein powders were reconstituted and then diluted with distilled water to give protein concentrations from 0.05 mg/ml to 10 mg/ml. The concentration of protein was measured by the Folin-phenol reagent method (Matsushita, Iwami, & Nitta, 1966). Each protein sample solution (2 ml) was admixed with an ANS stock solution (8 mM, 20 μl).
Acid proteases produced by Fusarium species in cultures and in infected seedlings
1978, Physiological Plant PathologyEnzymatic preparation and antioxidant activities of protein hydrolysates from Allomyrina dichotoma larvae
2019, Journal of the Korean Society of Food Science and Nutrition
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Kaisei Women's College, Kobe.