Carnosine Levels in the Muscle Tissues of Sturgeons and Their Hybrids

Mikhailova, Marina V.; Prozorovskiy, V. N.; Zolotarev, K.V.; Ipatova, O. M.; Mikhailov, Anton N.; Kharenko, E. N.; Artemov, A. V.

doi:10.1134/s0003683820030084

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2023

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“…For example, peptides with antioxidant properties are formed during enzymatic hydrolysis of the muscles of sardine [7], mackerel [8], whitespotted conger eel [9], and round scad [10]. It has also been described that low-molecular compounds contained in the muscle tissue of a number of fish species have buffering and antioxidant effect, for example, free histidine and dipeptides containing it (carnosine, anserine and others) [11], taurine [12,13].…”

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confidence: 99%

Antioxidant activity of freeze-dried Siberian sturgeon (Acipenser baerii) ovarian fluid

et al. 2023

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Ovarian fluid is a mass-production nutritionally valuable byproduct of aquaculture of sturgeons. Total antioxidant activity of freeze-dried pasteurized and non-pasteurized ovarian fluid of Siberian sturgeon (Acipenser baerii) was determined to estimate its potential acceptability as an anti-inflammatory and anti-age agent in nutraceuticals. Total antioxidant activity was determined using the certified coulometric measurement method. The value of total antioxidant activity was about 18.6 ± 1.1% of that of a well-known source of antioxidants – tomato fruits, if calculated by dry weight. There was no statistically significant difference between the values of activity for pasteurized and non-pasteurized ovarian fluid, so it is reasonable to pasteurize the fluid for its preservation.

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