Silver carp (Hypophthalmichthys molitrix) is a freshwater fish species; this paper studies changes in fatty acid composition after frying in four different culinary oils. The paper does not measure silver (Ag) metal or any heavy metal; it is retrieved because the common name of the fish contains the word silver.
Key numbers
- Raw silver carp fatty acid composition (mean): SFA 26.1 +/- 0.5%, MUFA 52.1 +/- 1.1%, PUFA 15.1 +/- 0.6%, omega-3 8.9 +/- 0.1%, omega-6 6.1 +/- 0.4% (abstract).
- Frying in sunflower, soybean, and corn oil increased MUFA, PUFA, and omega-6 while decreasing SFA through oil exchange.
- Olive oil frying produced the smallest reduction in the omega-3/omega-6 ratio.
- Long-chain omega-3 PUFA (EPA, DHA) content was not significantly affected by frying except in soybean oil (body text, Table 2).
Methods (brief)
Silver carp fillets were fried in four culinary fats; total lipid was extracted by Bligh-Dyer method; fatty acid methyl esters were analyzed by GC-FID. Moisture and total fat content were measured before and after frying.
Evidence fitness
Provides fatty acid composition and frying effects data for silver carp as an ingredient. This paper has no relevance to silver (Ag) metal contamination, toxicology, or exposure. Its placement in this deposit reflects the name overlap between the fish and the metal.
Limitations
No heavy metal analysis; no dietary exposure estimates for any element. The findings are limited to fatty acid nutritional composition.
Related evidence
Update history
No substantive edit history is available in this build. The full commit record is available in git.