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Comparison of the effects of microwave cooking and conventional cooking methods on the composition of fatty acids and fat quality indicators in herring.

Die Nahrung · 2002 · No effect · Low evidence

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No effectLow evidencePaper 6383

Boiling, grilling, and frying performed conventionally or using microwave radiation did not reduce the n-3 PUFA fraction of total fatty acids in herring fillets. Peroxide and anisidine values were reported to be insignificantly influenced, with little differe…

Study snapshot

PublicationDie Nahrung · 2002
Study typeother
Reported directionNo effect
Evidence ratingLow

Abstract

The aim of this study was to examine the changes which occur under the influence of different heating methods in the compositions of fatty acids and selected fat quality indicators in fillets of herring. The results that are compared herein were obtained via conventional culinary techniques and using microwave radiation. Culinary processes like boiling, grilling and frying, whether done conventionally or with a microwave oven, did not lead to a reduction in the n-3 polyunsaturated fatty acids (PUFAs) fraction of the total fatty acids, indicating that these fatty acids have a high durability and a low susceptibility to thermal oxidative processes. The culinary processes used in this study also had an insignificant influence on the fat quality indicators--the peroxide and anisidine value. The fat quality indicators in herring, both after conventional and microwave heating, differ little, and indicate a low content of primary and secondary products of oxidation.

Machine Enhanced Logic

AI evidence extraction

Structured fields below were generated from the paper’s abstract and metadata to make the evidence easier to inspect. Automated extraction may be incomplete or incorrect; verify important details against the original paper.

Study typeother
Effect directionno_effect
PopulationHerring fillets
Sample sizeNot supplied
Exposuremicrowave
Evidence strengthLowConfidence: 74% · Peer reviewed: yes

Main findings

Boiling, grilling, and frying performed conventionally or using microwave radiation did not reduce the n-3 PUFA fraction of total fatty acids in herring fillets. Peroxide and anisidine values were reported to be insignificantly influenced, with little difference between conventional and microwave heating, indicating low oxidation products.

Outcomes measured

  • Fatty acid composition (including n-3 polyunsaturated fatty acids fraction)
  • Fat quality indicators (peroxide value, anisidine value)

Limitations

  • Sample size not reported in abstract
  • Microwave exposure parameters (e.g., frequency, power, duration) not reported in abstract
  • Study appears focused on food composition/oxidation rather than health outcomes
View raw extracted JSON
{
  "study_type": "other",
  "exposure": {
    "band": "microwave",
    "source": "microwave oven (cooking)",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "Herring fillets",
  "sample_size": null,
  "outcomes": [
    "Fatty acid composition (including n-3 polyunsaturated fatty acids fraction)",
    "Fat quality indicators (peroxide value, anisidine value)"
  ],
  "main_findings": "Boiling, grilling, and frying performed conventionally or using microwave radiation did not reduce the n-3 PUFA fraction of total fatty acids in herring fillets. Peroxide and anisidine values were reported to be insignificantly influenced, with little difference between conventional and microwave heating, indicating low oxidation products.",
  "effect_direction": "no_effect",
  "limitations": [
    "Sample size not reported in abstract",
    "Microwave exposure parameters (e.g., frequency, power, duration) not reported in abstract",
    "Study appears focused on food composition/oxidation rather than health outcomes"
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "microwave cooking",
    "conventional cooking",
    "herring",
    "fatty acids",
    "n-3 PUFA",
    "peroxide value",
    "anisidine value",
    "lipid oxidation"
  ],
  "suggested_hubs": []
}
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AI-extracted fields are generated from the abstract and metadata and may be incomplete or incorrect. This material is for informational purposes and is not medical advice.

Identifiers and source

DOI: 10.1002/1521-3803(20021101)46:6<383::aid-food383>3.0.co;2-l
PubMed: 12577584

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