Journal
JOURNAL OF FOOD PROCESSING AND PRESERVATION
Volume 46, Issue 7, Pages -Publisher
WILEY-HINDAWI
DOI: 10.1111/jfpp.16687
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Funding
- Kasetsart University Research and Development Institute
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Coffee oil derived from spent coffee grounds can be used as a substitute for butter in bakery products. When 20% of butter was replaced with coffee oil, the cookies had improved antioxidant properties and a softer texture. This study suggests that coffee oil can be a novel alternative ingredient for healthier bakery products, while also utilizing waste resources.
Spent coffee grounds (SCG) still contain valuable compounds such as oil that could be used as a butter substitute in bakery products. Therefore, coffee oil was added in cookies to replace 10-30% of butter and evaluated for its impact on the rheological properties of the dough prior to determining cookie qualities. The coffee oil maintained most of the good qualities of cookies. The total phenolic content and antioxidant properties increased; however, the hardness of cookies decreased when butter was substituted with higher amounts of coffee oil. The substitution of butter with coffee oil did not distinctly affect Fourier-transformed infrared profile of cookies. The 20% level of coffee oil substitute for butter in the cookies was readily accepted by the panelists. Thus, coffee oil can be used as an alternative to butter as an ingredient in healthier cookie products as well as utilizing a waste product for food industry. Novelty Impact Statement The addition of 20% coffee oil to substitute butter showed high antioxidant and soften texture of cookies with desirable acceptability. Coffee oil from SCG showed higher total phenolic content and antioxidant activity. Therefore, the alternative waste valorization of coffee oil can be exploited as novel healthy bakery products.
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