Herring filleting co-products were kindly provided by Sweden Pelagic Ellös AB (Ellös, Sweden). The co-products—consisting a mix of heads, frames, tails, skins, guts and other intestinal organs—were from herring filleted on the 21st of October 2019 (batch 1) and 4th of September 2018 (batch 2), and were collected immediately after filleting and transported to the lab within the same day under cold storage (5 °C). Upon arrival, they were minced using a meat grinder (la Minerva, Italy) with a 4.5 mm hole plate, and stored in 500 g aliquots at − 80 °C until further use. Antioxidants used in this study were BORDANTIX LIQUID W/S and BORDANTIX LIQUID O/S (EVESA, Cádiz, Spain), Duralox MANC-213 (Kalsec, Kalamazoo, Mich., UK), isoascorbic acid (Sigma-Aldrich, USA), BHT (Sigma-Aldrich, USA), and propyl gallate (Sigma-Aldrich, USA). The latter two antioxidants were used in studies where co-products from batch 2 were used; otherwise, co-products from batch 1 were used in studies with the remaining antioxidants.
Isoascorbic acid
Manufactured by Merck Group
Sourced in United Kingdom
Isoascorbic acid is a chemical compound that is structurally similar to ascorbic acid (vitamin C). It is a white, crystalline solid that is soluble in water and other polar solvents. Isoascorbic acid functions as an antioxidant and reducing agent, and is used in various industrial and laboratory applications.
Automatically generated - may contain errors
Lab products found in correlation
Propyl gallate, by Merck Group (1 mentions)
Trichloroacetic acid, by Merck Group (1 mentions)
Sodium chloride (nacl), by Merck Group (1 mentions)
α tocopherol, by Merck Group (1 mentions)
Ferrous sulfate, by Merck Group (1 mentions)
2 thiobarbituric acid, by Merck Group (1 mentions)
Esculetin, by Merck Group (1 mentions)
2 protocols using isoascorbic acid
1
Herring Co-Product Antioxidant Evaluation
2
Antioxidant Compound Extraction and Analysis
Check if the same lab product or an alternative is used in the 5 most similar protocols
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Sodium chloride, isoascorbic acid, esculetin, α-tocopherol, trichloroacetic acid, 2-thiobarbituric acid, and ferrous sulfate were obtained from Sigma Chemical Co. (St. Louis, MO). Duralox MANC-213 was purchased from Kalsec (Kalamazoo, Mich., UK). EVESA-C5 was supplied by Extractos Vegetales SA (La Línea de la Concepción, Cádiz, Spain). Water-soluble and oil-soluble rosemary extracts were kindly provided by Senyuan Bencao (Yuzhou, Henan Province, China). All other chemicals used were American Chemical Society (ACS) grade or better.
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