Person: YILMAZ ERSAN, LÜTFİYE
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YILMAZ ERSAN
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LÜTFİYE
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Publication Evaluation of instrumental and sensory measurements using multivariate analysis in probiotic yogurt enriched with almond milk(Springer, 2021-02-08) Yılmaz-Ersan, Lütfiye; Topçuoğlu, Esra; YILMAZ ERSAN, LÜTFİYE; Topçuoğlu, Esra; 0000-0002-8482-5055; AAG-8219-2021; GEA-6157-2022In this study, the effect of almond milk addition on color, texture and sensory attributes of probiotic yogurt was investigated. The data generated in combination with instrumental (color and texture parameters) and sensory measurements was analysed statistically to describe a product's attributes scientifically. Statistical analysis illustrated that almond milk rate and storage time had a significant (P < 0.05) effect on the color and textural parameters of yogurt. Compared with the sensorial parameters, generally there were statistically significant differences among samples, whereas insignificant effect was determined among storage days. The results of descriptive statistics (Principle Component and Hierarchical Cluster Analysis) indicated that the relationships among the analysed attributes were determined. In addition, statistical data has demonstrated that almond milk may be used as a novel and functional ingredient in both industrial and research areas for development, innovation, quality, and safety of dairy products.Publication Potential prebiotic effects of mushroom extracts on the viability of bifidobacterium bifidum(Parlar, 2020-01-01) Özcan, Tulay; Yılmaz-Ersan, Lutfiye; Akpınar-Bayızıt, Arzu; Özcan, Özge; Delikanlı-Kıyak, Berrak; Özyürek, Merve Begüm; Teksoy, Şengül; ÖZCAN, TÜLAY; YILMAZ ERSAN, LÜTFİYE; AKPINAR BAYİZİT, ARZU; DELİKANLI KIYAK, BERRAK; Özyürek, Merve Begüm; Teksoy, Şengül; Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Gıda Mühendisliği Bölümü; Bursa Uludağ Üniversitesi/İznik Meslek Yüksekokulu/Gıda Teknolojisi Bölümü; 0000-0002-0223-3807; 0000-0001-8093-3369; 0000-0002-8482-5055; 0000-0001-6889-9938; AAG-8219-2021; AAV-6653-2021; AAG-8194-2021; AAI-4330-2021; CAX-4988-2022; AAV-6653-2021; EBQ-8160-2022Prebiotics are included in many food formulations, especially in dairy products, in order to promote the growth of probiotics along with improvement of the nutritional quality. In this study, the ability of Bifidobacterium bifidum to ferment mushroom extracts as a potential prebiotic substrate was investigated. It was found that B. bifidum employed in the current work was able to ferment selected mushroom extracts.Publication Evaluation of bioaccessibility and functional properties of kombucha beverages fortified with different medicinal plant extracts(TUBİTAK, 2021-01-01) Tamer, Canan Ece; TAMER, CANAN ECE; Temel, Sehime Gulsun; TEMEL, ŞEHİME GÜLSÜN; Suna, Senem; SUNA, SENEM; Karabacak, Azime Ozkan; ÖZKAN KARABACAK, AZİME; Ozcan, Tulay; ÖZCAN, TÜLAY; Ersan, Lutfiye Yilmaz; YILMAZ ERSAN, LÜTFİYE; Kaya, Berra Turkol; Copur, Omer Utku; ÇOPUR, ÖMER UTKU; Bursa Uludağ Üniversitesi/Tıp Fakültesi.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Genetik Anabilim Dalı.; 0000-0002-9802-0880; 0000-0002-6947-2167; 0000-0003-4175-4477; 0000-0002-0223-3807; AAQ-8178-2020; AAG-8503-2021; AAG-8194-2021; AAH-2319-2019; AAC-1982-2022In this study, sweetened black and green tea were utilized as substrate for kombucha fermentation. Linden, lemon balm, sage, echinacea, mint, and cinnamon infusions were added to kombucha to design a novel beverage with Unproved functional and organoleptic characteristics. After fermentation, the antioxidant capacity (AC) of the kombucha increased by 13.96% 2,2-diphenyl-1-picryl-hydrazyl-hydrate (DPPH), 48.90% ferric reducing antioxidant power (FRAP), and 55.54% cupric reducing AC (CUPRAC). On days 0 and 9 of storage, the bioaccessibility of the total phenolics and AC (FRAP and CUPRAC) in all of the samples showed a significant increase after gastric and intestinal digestion when compared to pregastric digestion (P < 0.05). The AC (DPPH) after in vitro digestion at the beginning and end of storage in all of the beverages also increased after gastric digestion when compared to pregastric digestion (P < 0.05); however, it decreased after intestinal digestion (P < 0.05). By conducting in vitro and in vivo studies, the effects of kombucha on health and nutrition need to be further investigated.Publication Effect of Cordyceps militaris on formation of short-chain fatty acids as postbiotic metabolites(Taylor, 2022-02-18) Omak, Gizem; Yılmaz Ersan, Lutfiye; Omak, Gizem; YILMAZ ERSAN, LÜTFİYE; Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Gıda Mühendisliği Bölümü; Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Doğa Bilimleri Enstitüsü; AAG-8219-2021; FPH-9555-2022The aim of the current study was to determine the growth-promoting-effect of Cordyceps militaris, known as a medicinal mushroom, on Lactobacillus casei and Lactobacillus acidophilus. To evaluate the best growth-promoting activity of the test substrates including glucose, inulin, and at different concentrations of C. militaris (0.5%, 1%, and 2%), the cell counts, optical density (OD), prebiotic activity scores, and postbiotics (lactic, acetic, butyric, and propionic acids) were determined. The highest cell count was found for L. casei in media containing 0.5% C. militaris and for L. acidophilus in media containing 1% C. militaris. In the case of both strains, the OD values of the medium with C. militaris (1%) and (2%) increased similar to those of glucose. The prebiotic activity scores for both strains were positive. The concentration of lactic acid ranged from 0.56 to 8.07 g L-1 for L. casei and 0.82 to 5.38 g L-1 for L. acidophilus. Moreover, propionic acid was the highest among short-chain fatty acids (SCFAs) produced by both strains. According to the results of the present study, the tested Lactobacillus species can utilize C. militaris as carbon source and is able to form postbiotics in the media.Publication Utilization of microalgae in probiotic white brined cheese(Croatian Dairy Union, 2022-04-01) Suna, Gizem; Yılmaz Ersan, Lutfiye; Suna, Gizem; YILMAZ ERSAN, LÜTFİYE; Bursa Uludağ Üniversitesi/Doğa Bilimleri Enstitüsü/Gıda Mühendisliği Bölümü; Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Gıda Mühendisliği Bölümü; AAG-8219-2021; GDQ-9460-2022In this study, the effects of Chlorella vulgaris and Arthrospira platensis fortification on the microbiological, physicochemical and antioxidative properties of probiotic white cheese during storage were investigated. Thereby six groups of white cheese samples were manufactured as follows WC (Control), LAC (Lactobacillus acidophilus LA-5), CWC (C. vulgaris), SWC (A. platensis), CLAC (C. vulgaris + Lb. acidophilus LA-5) and SLAC (A. platensis + Lb. acidophilus LA-5). The viability of Lb. acidophilus for SLAC sample remained almost constant during storage (>7 log cfu/g) while physicochemical properties of samples showed significant differences (P<0.01). The CLAC sample contained increased levels of protein, Ca, P, K, Mg and Zn while the highest Fe values were detected in the SLAC sample. Samples fortified with microalgae showed higher 1,1-diphenyl-2-picrylhydrazyl (DPPH)radical scavenging activity, cupric ion reducing antioxidant capacity (CUPRAC) and total phenolic content. Consequently, fortification with both microalgae improved the viability of probiotic, nutritional and antioxidative attributes of white cheese.