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Optimization of tem...
Optimization of temperature, time, and lactic acid concentration to inactivate lipoxygenase and lipase and preserve phytase activity in barley (cv. Blenheim) during soaking
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Rutgersson, A. (författare)
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Bergman, E.-L. (författare)
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- Lingnert, Hans (författare)
- RISE,SIK – Institutet för livsmedel och bioteknik
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Sandberg, A.-S. (författare)
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(creator_code:org_t)
- 1997
- 1997
- Engelska.
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Ingår i: Cereal Chemistry. - 0009-0352 .- 1943-3638. ; 74:6, s. 727-732
- Relaterad länk:
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- A barley-soaking process was studied to find conditions that inactivate the prooxidative enzyme lipoxygenase and the lipolytic enzyme lipase but preserve phytase activity to develop possible procedures for production of barley products with potentially high mineral bioavailability and good oxidative stability. Lactic acid concentration, temperature, and soaking time were studied. The study was done using a multivariate experimental design. Lactic acid concentration varied between 0 and 1%, temperature varied between 45 and 70°C, and soaking time varied between 30 and 120 min. Although conditions under which lipoxygenase was inactivated were found, total inactivation of lipase was not obtained. Total lipoxygenase inactivation with <20% remaining lipase activity and >60% remaining phytase activity was reached after soaking in 1% lactic acid at suitable time-temperature combinations of 70-110 min and 53-58°C.
Ämnesord
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Livsmedelsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Food Science (hsv//eng)
Nyckelord
- Food Engineering
- Livsmedelsteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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