EFFECT OF PROCESSING ON SOME NUTRIENTS AND ANTINUTRIENTS COMPOSITION OF EGYPTIAN RIVERHEMP (Sesbania sesban) SEEDS

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dc.contributor.authorAREKEMASE, Shefiat Olayemi
dc.date.accessioned2021-08-23T09:11:32Z
dc.date.available2021-08-23T09:11:32Z
dc.date.issued2021-05
dc.descriptionA THESIS SUBMITTED TO SCHOOL OF POSTGRADUATE STUDIES, AHMADU BELLO UNIVERSITY, ZARIA IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE AWARD OF AMASTER DEGREE IN NUTRITION DEPARTMENT OF BIOCHEMISTRY, FACULTY OF LIFE SCIENCES, AHMADU BELLO UNIVERSITY, ZARIA, NIGERIAen_US
dc.description.abstractEgyptian riverhemp (Sesbania sesban)is widely distributed throughout Africa including Nigeria. Seeds from the plant contain essential nutrients but levels of antinutritional factors in the seeds present a challenge to its use as alternative feeds for livestock. In this study,the effect of processing on some nutrients and antinutrients composition in the seed of Sesbania sesbanwere assessed using lye. Lye possesses chemical characteristics as slaked lime, which have been used to detoxify or reduce antinutrients in plants. However, slakedlime can not be readily available especially to rural farmers, hence the choice of lye, which can be made readily available for the rural farmers. During processing, the seeds were soaked for (24 hours) and boiled (1 hour) using water, calcium hydroxide and lye. Theprocessed and unprocessed samples were then analyzed using standard methods for proximate, antinutrients, vitamins and minerals composition including in vitro protein digestibility. Results obtained for proximate composition revealed significant (p<0.05) decrease in moisture content of the processed samples with both samples boiled in calcium hydroxide (BC) and those boiled in lye (BL) which had the highest reduction as compared to raw sample (RS). Crude protein content was significantly (p<0.05) higher for sample boiled in water (BW), BC and BL compared to those soaked in water (SW), calcium hydroxide (SC), lye (SL) and RS whereas soluble and insoluble fibre contents were significantly (p<0.05) higher in SC and RS. Carbohydrate content obtained showed significant (p<0.05) reduction in BC compared to the other processed samples and RS. Analysis for antinutritional factors revealed that boiling with lye resulted insignificant (p<0.05 reduction in tannins,saponin, oxalate, cyanogenic glycosides and trypsin inhibitor, while soaking with water revealed more reduction in phytic acid content. Vitamin concentration revealed that processing caused significant (p<0.05) reduction in β-carotene (βC) and water-soluble viii vitamins, with SC having a higher reduction in βC, B2 and B6 as compared to RS while a significant (p<0.05) increase in vitamin E was noticed in SL as compared to RS. Mineral contents indicate SC had higher Magnesium, Manganese and Copper concentrations compared to RS whereas Potassium and Iron contents were higher in SW. Boiling with water and boiling with lyehad higher Sodium and Calcium compared to RS. Iin vitro protein digestibility showed BL had significantly (p<0.05) higher digestibility compared to other processed samples and RS. Based on the findings from this study, samples boiled in lye (BL) had a higher reduction in some of the antinutrients with improved in vitro protein digestibility, hence this may enhance the use of the seed of Sesbania sesban as a potential alternative for livestock feed.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/12539
dc.language.isoenen_US
dc.subjectEFFECT,en_US
dc.subjectPROCESSING,en_US
dc.subjectNUTRIENTS,en_US
dc.subjectANTINUTRIENTS COMPOSITION,en_US
dc.subjectEGYPTIAN RIVERHEMP,en_US
dc.subject(Sesbania sesban),en_US
dc.subjectSEEDS.en_US
dc.titleEFFECT OF PROCESSING ON SOME NUTRIENTS AND ANTINUTRIENTS COMPOSITION OF EGYPTIAN RIVERHEMP (Sesbania sesban) SEEDSen_US
dc.typeThesisen_US
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