Assessment of the Nutritional Benefits and Aflatoxin B1 Adsorption Properties of Blackberry Seed Cold-Pressed Oil By-Product
This study explores the potential valorization of blackberry seed oil cake (BBSOC), a by-product of cold-pressed blackberry seed oil (<i>Rubus fruticosus</i> L.), as a nutritionally valuable material with aflatoxin B1 (AFB1) adsorption properties. The chemical and mineral composition, po...
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MDPI AG
2024-09-01
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| author | Jelena Miljanić Saša Krstović Lidija Perović Jovana Kojić Vanja Travičić Branimir Bajac |
| author_facet | Jelena Miljanić Saša Krstović Lidija Perović Jovana Kojić Vanja Travičić Branimir Bajac |
| author_sort | Jelena Miljanić |
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| description | This study explores the potential valorization of blackberry seed oil cake (BBSOC), a by-product of cold-pressed blackberry seed oil (<i>Rubus fruticosus</i> L.), as a nutritionally valuable material with aflatoxin B1 (AFB1) adsorption properties. The chemical and mineral composition, polyphenols, and antioxidant activity of BBSOC flour were assessed. BBSOC was found to be a significant source of fiber (62.09% dry weight) and essential minerals such as Fe (123.48 mg/kg), Mg (1281.40 mg/kg), K (3087.61 mg/kg), and Ca (1568.41 mg/kg). The high polyphenol content, especially ellagic acid, highlighted its biologically active potential. Moreover, BBSOC demonstrated effective biosorption of AFB1 under in vitro conditions at 37 °C, with adsorption efficiencies of 85.36% and 87.01% at pH 3 and 7, respectively. Characterization techniques including SEM, FTIR analysis, Boehm titration, and pH zero charge determination confirmed its AFB1 adsorbing properties. This valorization process reintroduces a secondary product into the food chain, supporting the circular economy and zero-waste concepts. Thus, BBSOC is nutritionally rich and effective in AFB1 biosorption, presenting potential applications as a food or feed additive. |
| format | Article |
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| issn | 2304-8158 |
| language | English |
| publishDate | 2024-09-01 |
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| spelling | doaj-art-60a2a1e6688e4150af3238cabd44bc972025-08-20T02:16:50ZengMDPI AGFoods2304-81582024-09-011319314010.3390/foods13193140Assessment of the Nutritional Benefits and Aflatoxin B1 Adsorption Properties of Blackberry Seed Cold-Pressed Oil By-ProductJelena Miljanić0Saša Krstović1Lidija Perović2Jovana Kojić3Vanja Travičić4Branimir Bajac5Institute of Food Technology, University of Novi Sad, Bulevar Cara Lazara 1, 21000 Novi Sad, SerbiaFaculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovića 8, 21000 Novi Sad, SerbiaInstitute of Food Technology, University of Novi Sad, Bulevar Cara Lazara 1, 21000 Novi Sad, SerbiaInstitute of Food Technology, University of Novi Sad, Bulevar Cara Lazara 1, 21000 Novi Sad, SerbiaFaculty of Technology Novi Sad, University of Novi Sad, Bulevar Cara Lazara 1, 21000 Novi Sad, SerbiaBioSense Institute, University of Novi Sad, Dr Zorana Đinđića 1, 21000 Novi Sad, SerbiaThis study explores the potential valorization of blackberry seed oil cake (BBSOC), a by-product of cold-pressed blackberry seed oil (<i>Rubus fruticosus</i> L.), as a nutritionally valuable material with aflatoxin B1 (AFB1) adsorption properties. The chemical and mineral composition, polyphenols, and antioxidant activity of BBSOC flour were assessed. BBSOC was found to be a significant source of fiber (62.09% dry weight) and essential minerals such as Fe (123.48 mg/kg), Mg (1281.40 mg/kg), K (3087.61 mg/kg), and Ca (1568.41 mg/kg). The high polyphenol content, especially ellagic acid, highlighted its biologically active potential. Moreover, BBSOC demonstrated effective biosorption of AFB1 under in vitro conditions at 37 °C, with adsorption efficiencies of 85.36% and 87.01% at pH 3 and 7, respectively. Characterization techniques including SEM, FTIR analysis, Boehm titration, and pH zero charge determination confirmed its AFB1 adsorbing properties. This valorization process reintroduces a secondary product into the food chain, supporting the circular economy and zero-waste concepts. Thus, BBSOC is nutritionally rich and effective in AFB1 biosorption, presenting potential applications as a food or feed additive.https://www.mdpi.com/2304-8158/13/19/3140blackberry seed cold-pressed oil cakenutritional qualitymineral compositionaflatoxin B1-adsorbing propertiesbiosorbents characterization |
| spellingShingle | Jelena Miljanić Saša Krstović Lidija Perović Jovana Kojić Vanja Travičić Branimir Bajac Assessment of the Nutritional Benefits and Aflatoxin B1 Adsorption Properties of Blackberry Seed Cold-Pressed Oil By-Product Foods blackberry seed cold-pressed oil cake nutritional quality mineral composition aflatoxin B1-adsorbing properties biosorbents characterization |
| title | Assessment of the Nutritional Benefits and Aflatoxin B1 Adsorption Properties of Blackberry Seed Cold-Pressed Oil By-Product |
| title_full | Assessment of the Nutritional Benefits and Aflatoxin B1 Adsorption Properties of Blackberry Seed Cold-Pressed Oil By-Product |
| title_fullStr | Assessment of the Nutritional Benefits and Aflatoxin B1 Adsorption Properties of Blackberry Seed Cold-Pressed Oil By-Product |
| title_full_unstemmed | Assessment of the Nutritional Benefits and Aflatoxin B1 Adsorption Properties of Blackberry Seed Cold-Pressed Oil By-Product |
| title_short | Assessment of the Nutritional Benefits and Aflatoxin B1 Adsorption Properties of Blackberry Seed Cold-Pressed Oil By-Product |
| title_sort | assessment of the nutritional benefits and aflatoxin b1 adsorption properties of blackberry seed cold pressed oil by product |
| topic | blackberry seed cold-pressed oil cake nutritional quality mineral composition aflatoxin B1-adsorbing properties biosorbents characterization |
| url | https://www.mdpi.com/2304-8158/13/19/3140 |
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