Publicación:
BIOACCESSIBILITY OF LIGNANS FROM FLAXSEED (LINUM USITATISSIMUM L.) DETERMINED BY SINGLE-BATCH IN VITRO SIMULATION OF THE DIGESTIVE PROCESS

dc.creatorJOSÉ MIGUEL BASTÍAS MONTES
dc.date2014
dc.date.accessioned2025-01-10T14:32:50Z
dc.date.available2025-01-10T14:32:50Z
dc.date.issued2014
dc.description.abstractBACKGROUND: FLAXSEED IS AN IMPORTANT SOURCE OF LIGNAN SECOISOLARICIRESINOL DIGLUCOSIDE (SDG) AND ITS AGLYCONE, SECOISOLARICIRESINOL (SECO). THESE PHENOLIC COMPOUNDS CAN BE METABOLIZED TO THE MAMMALIAN LIGNANS ENTERODIOL (ED) AND ENTEROLACTONE (EL) BY HUMAN INTESTINAL MICROFLORA. FLAXSEED LIGNANS ARE KNOWN FOR THEIR POTENTIAL HEALTH BENEFITS, WHICH ARE ATTRIBUTED TO THEIR ANTIOXIDANT AND PHYTOESTROGENIC PROPERTIES. THE FOCUS OF THIS STUDY WAS TO DETERMINE THE BIOACCESSIBILITY OF PLANT AND MAMMALIAN LIGNANS IN WHOLE FLAXSEED (WF) AND FLAXSEED FLOUR (FF) THROUGHOUT THE ENTIRE DIGESTIVE PROCESS. MOREOVER, THE METABOLIC ACTIVITY OF INTESTINAL MICROFLORA WAS EVALUATED. RESULTS: A SINGLE-BATCH IN VITRO SIMULATION OF THE DIGESTIVE PROCESS WAS PERFORMED, INCLUDING FERMENTATION BY THE INTESTINAL MICROFLORA IN THE COLON. BIOACCESSIBILITY WAS CALCULATED AS (FREE LIGNAN)/(TOTAL LIGNAN). IN DIGESTED WF, THE BIOACCESSIBILITY VALUES OF SECO, ED AND EL WERE 0.75%, 1.56% AND 1.23%, RESPECTIVELY. CONVERSELY, IN DIGESTED FF, THE BIOACCESSIBILITY VALUES OF SDG, ED AND EL WERE 2.06%, 2.72% AND 1.04%, RESPECTIVELY. THE ANAEROBIC COUNT AND SHORT-CHAIN FATTY ACIDS INDICATE THAT BACTERIA SURVIVAL AND CARBOHYDRATE FERMENTATION OCCURRED. CONCLUSION: THE CONTENTS OF BOTH SDG AND ED WERE SIGNIFICANTLY HIGHER IN DIGESTED FF THAN IN DIGESTED WF. FF FACILITATED THE ACTION OF INTESTINAL BACTERIA TO RELEASE SDG AND METABOLIZE ED.
dc.formatapplication/pdf
dc.identifier.doi10.1002/jsfa.6482
dc.identifier.issn1097-0010
dc.identifier.issn0022-5142
dc.identifier.urihttps://repositorio.ubiobio.cl/handle/123456789/7905
dc.languagespa
dc.publisherJOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
dc.relation.uri10.1002/jsfa.6482
dc.rightsPUBLICADA
dc.subjectLIGNANS.
dc.subjectIN VITRO DIGESTION
dc.subjectFLAXSEED
dc.subjectBIOACCESSIBILITY
dc.titleBIOACCESSIBILITY OF LIGNANS FROM FLAXSEED (LINUM USITATISSIMUM L.) DETERMINED BY SINGLE-BATCH IN VITRO SIMULATION OF THE DIGESTIVE PROCESS
dc.typeARTÍCULO
dspace.entity.typePublication
ubb.EstadoPUBLICADA
ubb.Otra ReparticionDEPARTAMENTO DE INGENIERIA EN ALIMENTOS
ubb.SedeCHILLÁN
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