Determination of phytochemical contents, antioxidant and antibacterial properties with phenolic compounds of extracts of Molehiya (Corchorus olitorius L.) and Altın otu (Helichrysum arenarium L.)
Yıl 2024,
Cilt: 28 Sayı: 1, 131 - 145, 25.03.2024
Filiz Uçan Türkmen
,
Kibar Yapıcı
,
Elife Osman
,
Gülcan Koyuncu
,
Ümit Haydar Erol
Öz
n this study, phytochemical contents, antioxidant activities, antimicrobial activities and phenolic components of methanol extracts of Molehiah (Corchorus olitorius L.) and Golden grass (Helichrysum arenarium L.) plants were investigated. When the two plant extracts were compared in terms of total phenolic and flavonoid contents, higher data were obtained in Molehiah extract. The amount of ascorbic acid of golden grass methanol extract was 5 times higher than that of Molehiah methanol extract. While the DPPH radical scavenging activity was determined as 76.97% in Molehiah methanol extract, this value was found to be lower in the methanol extract of golden grass (73.06%). When all antioxidant analyzes were evaluated together, the antioxidant values of Molehiah methanol extract were found to be higher than Goldengrass methanol extract in 4 of 6 antioxidant analyses. The total amount of phenolic components was determined as Golden Herb methanol extract (110.866,394 mg kg-1) > Molehiah methanol extract (39.803,77 mg kg-1). While no inhibitory effect was observed in the extracts against E. coli ATCC 25922, Salmonella typhimurium ATCC 14028 and Pseudomonas aeruginosa ATCC 9027; Inhibitory effect against Staphylococcus aureus ATCC 25923 was observed in methanol extracts of Golden grass and Molehiah, and the zone diameters were measured as 12 and 9 mm, respectively. According to our results, it is possible to say that methanol extracts of these plants can be useful for food, phytotherapy and medical applications.
Kaynakça
- Acıbuca, V., & Budak, D. B. (2018). Dünya’da ve Türkiye’de tıbbi ve aromatik bitkilerin yeri ve önemi. Çukurova Tarım ve Gıda Bilimleri Dergisi, 33(1), 37-44.
- Albayrak, S., Aksoy, A., Sagdıc, O., & Hamzaoğlu, G., (2010a). Türkiye’den toplanan Helichrysum (Asteraceae) türlerinin bileşimleri, antioksidan ve antibakteriyel aktiviteleri. Food Chemistry, 119(1), 114-122.
- Albayrak, S., Aksoy, A., Sağdıç, O., & Budak, Ü. (2010b). Phenolic compounds and antioxidant and antimicrobial properties of Helichrysum species collected from eastern Anatolia. Turkey. Turkish Journal of Biology, 34(4), 463-473.
- Aydin, S., Yilmaz, O., & Gokce, Z. (2015). Protective effect of Morus nigra L.(mulberry) fruit extract on the liver fatty acid profile of Wistar rats. Pakistan J Zool, 47(1), 255-261.
- Babotă, M., Mocan, A., Vlase, L., Crișan, O., Ielciu, I., Gheldiu, A. M., ... & Păltinean, R. (2018). Phytochemical analysis, antioxidant and antimicrobial activities of Helichrysum arenarium (L.) Moench. and Antennaria dioica (L.) Gaertn. flowers. Molecules, 23(2), 409.
- Bauer, A.W., Kirby, W.M.M., Sherris, J.C. & Turck, M. (1966). Antibiotic Susceptibility Testing by a Standardized Single Disk Method. American Journal of Clinical Pathology. 45, 493–6. Doi:10.1093/ajcp/45.4_ts.493.
- Baltaci, N., Aydogdu, N., Sarikurkcu, C., & Tepe, B. (2021). Onosma gracilis (Trautv.) and O. oreodoxa (Boiss. & Heldr.): Phytochemistry, in silico docking, antioxidant and enzyme inhibitory activities. South African Journal of Botadny, 143, 410-417.
- Biswas, A., Dey, S., Li, D., Yiu, L., Zhang, J., Huang, S., Pan, G., & Deng, Y. (2020). Comparison of phytochemical profile, mineral content, and in vitro antioxidant activities of Corchorus capsularis and Corchorus olitorius leaf extracts from different populations. Journal of Food Quality, 2020, 1-14.
- Chigurupati, S., Aladhadh, H.S., Alhowail, A., Selvarajan, K.K., & Bhatia, S. (2020). Phytochemical composition, antioxidant and antidiabetic potential of methanolic extract from Corchorus olitorius Linn. grown in Saudi Arabia. Medicinal Plants-International Journal of Phytomedicines and Related Industries, 12(1), 71-76.
- Czinner E., Hagymasi K., Blazovic A., Kery A., Szoke E., & Lemberkovics, E. (2000). In vitro antioxidant properties of Helichrysum arenarium (L.) Moench. J Ethnopharmacol 73, 437–443.
- Erdem, S. & Eren, P.A. (2009). Tedavi amacıyla kullanılan bitkiler ve bitkisel ürünlerin yan etkileri. Türk Hijyen ve Deneysel Biyoloji Dergisi, 66: 3, 133-141.
- Erdoğan, K.G. & Göde F. (2022). Altın otu (Helichrysum italicum) esansiyel yağının mikrokapsüle edilmesi ve karakterizasyonu. Ege Univ. Ziraat Fak. Derg., 59 (4): 669-684.
- Gültekin, M. (2020). Adıyaman Akdağ (Tut-Erkenek) bölgesinden toplanan bazı bitkilerin antioksidan ve antibakteriyel aktiviteleri. Nevşehir Hacı Bektaş Veli Üniversitesi, Fen Bilimleri Enstitüsü, Moleküler biyoloji ve genetik anabilim dalı, Yüksek Lisans Tezi, 62s.
- Hagerman, A. E., Riedl, K. M., Jones, G. A., Sovik, K. N., Ritchard, N. T., Hartzfeld, P. W., & Riechel, T. L. (1998). High molecular weight plant polyphenolics (tannins) as biological antioxidants. Journal of agricultural and food chemistry, 46(5), 1887-1892.
- İnnami S, Ishida H, Nakamura K, Kondo M, Tabata K, Koguchi T, Shimizu J and Furusho T. (2005). Jew’s mellow leaves (Corchorus olitorius) suppress elevation of postprandial blood glucose levels in rats and humans. Int. J. Vitam. Nutr. Res., 75, 39-46.
- Ilhan, S., Savaroğlu, F., & Çolak, F. (2007). Antibacterial and Antifungal Activity of Corchorus olitorius L. (Molokhia) Extracts. International Journal of Natural & Engineering Sciences, 1(3).
Kaya, E. (2022).
- Helichrysum plicatum çiçeklerinin su, etanol, aseton, kloroform ve hekzan ekstrelerinin antioksidan aktivitelerinin belirlenmesi. Osmaniye Korkut Ata Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 5(2), 840-849.
- Kuete, V. (2017). Medicinal Spices and vegetables from Africa, 1st edition therapeutic potential against metabolic, inflammatory, infectious and systemic diseases. Academic Press.
- Kulisic-Bilusic T, Katalinic V, Dragovic-Uzelac V, Ljubenkov I, Krisko A, Dejanovic B (2008). Antioxidant and acetylcholinesterase inhibiting activity of several aqueous tea infusions in vitro. Food Technol Biotechnol. 46(4):368–75.
- Liu, X., Jing, X., & Li, G., (2019). A Process to acquire essential oil by distillation concatenated liquid-liquid extraction and flavonoids by solid-liquid extraction simultaneously from Helichrysum arenarium (L.) Moench inflorescences under ionic liquid-microwave mediated. Separation and Purification Technology, 209, 164–174.
- Mao, Z., Gan, C., Zhu, J., Ma, N., Wu, L., Wang, L., & Wang, X., (2017). Anti-atherosclerotic Activities of Flavonoids from the Flowers of Helichrysum arenarium L. Moench through the Pathway of Antiinflammation. Bioorganic and Medicinal Chemistry Letters, 27(12), 2812–2817.
- Mizzi, L., Chatzitzika, C., Gatt, R., & Valdramidis, V. (2020). HPLC analysis of phenolic compounds and flavonoids with overlapping peaks. Food technology and biotechnology, 58(1), 12-19.
- Mradu, G., Saumyakanti, S., Sohini, M., & Arup, M. (2012). HPLC profiles of standard phenolic compounds present in medicinal plants. International Journal of Pharmacognosy and Phytochemical Research, 4(3), 162-167.
- Nakaziba, R., Lubega, A., Ogwal-Okeng, J., & Alele, P. E. (2022). Phytochemical analysis, acute toxicity, as well as antihyperglycemic and antidiabetic activities of Corchorus olitorius L. leaf extracts. The Scientific World Journal, 1376817. https://doi.org/10.1155/2022/1376817.
- Ndlovu, J., & Afolayan, A.J. (2008). Nutritional analysis of the South African wild vegetable Corchorus olitorius L. Asian J PlantSci, 7(6), 615-618. https://doi.org/ 10.3923/ajps.2008.615.618.
- Oboh, G., Raddatz, H., & Henle, T. (2009). Characterization of the antioxidant properties of hydrophilic and lipophilic extracts of Jute (Corchorus olitorius) leaf. International journal of food sciences and nutrition, 60(sup2), 124-134.
- Orieke, D., Ohaeri, O.C., Ijeh, I.I., & Ijioma, S.N. (2018). Identification of phytocomponents and acute toxicity evaluation of Corchorus olitorius leaf extract. European Journal of Medicinal Plants, 1-16. https://doi.org/ 10.9734/EJMP/2018/38739.
- Özdenefe, M. S., Muhammed, A., Süer, K., Güler, E., Aysun, H., & Takcı, M. (2018). Determination of antimicrobial activity of Corchorus olitorius leaf extracts. Cyprus Journal of Medical Sciences, 3, 159-164.
- Özgen, U., Mavi, A., Terzi, Z., Coflkun, M., & Ali, Y. (2004). Antioxidant activities and total phenolic compounds amount of some Asteraceae species. Turkish J. Pharm. Sci, 1(3), 203-216.
- Sato, Y., Itagaki, S., Kurokawa, T., Ogura, J., Kobayashi, M., Hirano, T., Sugawara, M., & Iseki, K., (2011). In vitro and In vivo antioxidant properties of clorogenic acid and caffeic acid. International Journal of Pharmaceutics, 403(1-2), 136-138.
- Şen, N., & Kalaycı, G. (2016). Altın otu bitkisinden (helichrysum arenarium) tanen ve kumarinin kimyasal kompozisyonu. Selçuk Üniversitesi Fen Fakültesi Fen Dergisi, 42(2), 226-231.
- Sparg, S. G., M. E. Light, & J. van Staden, (2004). Biological activities and distribution of plant saponins. Journal of Ethnopharmacology, vol. 94, no. 2-3, pp. 219–243.
- Stankov S, Fidan H, Petkova N. 2020. Phytochemical composition of Нelichrysum arenarium (L.) Moench essential oil (aerial parts) from Turkey. Ukrainian Food J. 9(3):503–512.
- Tepe, B., Sokmen, M., Askin Akpulat, H., & Sokmen, A., (2005). In vitro antioxidant activities of the methanol extracts of four Helichrysum species from Turkey. Food Chemistry, 90(4), 685–689.
- Tuncer, B., & Ummuhan, F. (2017). Molehiya (Corchorus olitorius L.) tohumlarındaki dormansi probleminin çözümüne yönelik araştırma. Türkiye Tarımsal Araştırmalar Dergisi, 4(3), 268-274.
- Umaz, A., & Umaz, K., (2020). İki farklı lokasyona ait altın otunun (Helichrysum arenarium) uçucu bileşenlerinin belirlenmesi ve karşılaştırılması. Gümüşhane Üniversitesi Fen Bilimleri Dergisi, 10(3), 592-600.
- Umaz, A., Umaz, K., Aydın, F., & Aydın, I. (2023). Determination of multi-elemental analysis and antioxidant activities of Helichrysum arenarium (L.) Moench species. Hacettepe University Journal of the Faculty of Pharmacy, 43(2), 128-141.
- Uçan Türkmen, F., & Mercimek Takci, H. A. (2018). Ultraviolet-C and ultraviolet-B lights effect on black carrot (Daucus carota ssp. sativus) juice. Journal of Food Measurement and Characterization, 12, 1038-1046.
- Uçan Türkmen, F., Sarıgüllü Önalan, F. E., & Mercimek Takci, H. A. (2022). Nar kabuklarının su ve metanol ekstraktlarının antioksidan ve antimikrobiyal özelliklerinin incelenmesi. Akademik Ziraat Dergisi, 11(2), 363-372.
- Uçan Türkmen, F., Mercimek Takci, H. A. & Sarıgüllü Önalan, F. E. (2020). Evaluation of antioxidant activity of sour cherry stalk extracts by in vitro methods. Karadeniz Fen Bilimleri Dergisi, 10(2), 290-301.
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Molehiya (Corchorus olitorius L.) ve Altın otu (Helichrysum arenarium L.) ekstraktlarının fitokimyasal içerikleri, antioksidan ve antibakteriyel özellikleri ile fenolik bileşenlerinin belirlenmesi
Yıl 2024,
Cilt: 28 Sayı: 1, 131 - 145, 25.03.2024
Filiz Uçan Türkmen
,
Kibar Yapıcı
,
Elife Osman
,
Gülcan Koyuncu
,
Ümit Haydar Erol
Öz
Bu çalışmada, Molehiya (Corchorus olitorius L.) ve Altın otu (Helichrysum arenarium L.) bitkilerinin metanol ekstraktlarının fitokimyasal içerikleri, antioksidan aktiviteleri ve antimikrobiyal aktiviteleri ile fenolik bileşenleri araştırılmıştır. Toplam fenolik ve flavonoid içerikleri bakımından iki bitki ekstraktı kısyaslandığında Molehiya ekstraktında daha yüksek verilere ulaşılmıştır. Altın otu metanol ekstraktının askorbik asit miktarı Molehiya metanol ekstraktından 5 kat fazla bulunmuştur. Molehiya metanol ekstraktında DPPH. radikali giderme aktivitesi %76.97 olarak tespit edilirken, Altın otu metanol ekstraktında ise bu değer daha düşük (%73.06) bulunmuştur. Tüm antioksidan analizleri birlikte değerlendirildiğinde, 6 antioksidan analizinin 4’ünde Molehiya metanol ekstraktının antioksidan değerleri, Altın otu metanol ekstraktından daha yüksek tespit edilmiştir. Fenolik bileşen miktarları toplamı, Altın Otu metanol ekstraktı (110.866,394 mg kg-1) > Molehiya metanol ekstraktı(39.803,77 mg kg-1) şeklinde tespit edilmiştir. Escherichia coli ATCC 25922, Salmonella typhimurium ATCC 14028 ve Pseudomonas aeruginosa ATCC 9027’ye karşı özütlerde herhangi bir inhibitör etkiye rastlanmazken; Staphylococcus aureus ATCC 25923’e karşı inhibitör etki, Altın otu ve Molehiya metanol ekstraktlarında gözlenmiş ve zon çapları sırasıyla 12 ve 9 mm olarak ölçülmüştür. Sonuçlarımıza göre, bu bitkilerin metanol ekstraktlarının gıda, fitoterapi ve tıbbi uygulamalar için yararlı olabileceğini söylememiz mümkündür.
Kaynakça
- Acıbuca, V., & Budak, D. B. (2018). Dünya’da ve Türkiye’de tıbbi ve aromatik bitkilerin yeri ve önemi. Çukurova Tarım ve Gıda Bilimleri Dergisi, 33(1), 37-44.
- Albayrak, S., Aksoy, A., Sagdıc, O., & Hamzaoğlu, G., (2010a). Türkiye’den toplanan Helichrysum (Asteraceae) türlerinin bileşimleri, antioksidan ve antibakteriyel aktiviteleri. Food Chemistry, 119(1), 114-122.
- Albayrak, S., Aksoy, A., Sağdıç, O., & Budak, Ü. (2010b). Phenolic compounds and antioxidant and antimicrobial properties of Helichrysum species collected from eastern Anatolia. Turkey. Turkish Journal of Biology, 34(4), 463-473.
- Aydin, S., Yilmaz, O., & Gokce, Z. (2015). Protective effect of Morus nigra L.(mulberry) fruit extract on the liver fatty acid profile of Wistar rats. Pakistan J Zool, 47(1), 255-261.
- Babotă, M., Mocan, A., Vlase, L., Crișan, O., Ielciu, I., Gheldiu, A. M., ... & Păltinean, R. (2018). Phytochemical analysis, antioxidant and antimicrobial activities of Helichrysum arenarium (L.) Moench. and Antennaria dioica (L.) Gaertn. flowers. Molecules, 23(2), 409.
- Bauer, A.W., Kirby, W.M.M., Sherris, J.C. & Turck, M. (1966). Antibiotic Susceptibility Testing by a Standardized Single Disk Method. American Journal of Clinical Pathology. 45, 493–6. Doi:10.1093/ajcp/45.4_ts.493.
- Baltaci, N., Aydogdu, N., Sarikurkcu, C., & Tepe, B. (2021). Onosma gracilis (Trautv.) and O. oreodoxa (Boiss. & Heldr.): Phytochemistry, in silico docking, antioxidant and enzyme inhibitory activities. South African Journal of Botadny, 143, 410-417.
- Biswas, A., Dey, S., Li, D., Yiu, L., Zhang, J., Huang, S., Pan, G., & Deng, Y. (2020). Comparison of phytochemical profile, mineral content, and in vitro antioxidant activities of Corchorus capsularis and Corchorus olitorius leaf extracts from different populations. Journal of Food Quality, 2020, 1-14.
- Chigurupati, S., Aladhadh, H.S., Alhowail, A., Selvarajan, K.K., & Bhatia, S. (2020). Phytochemical composition, antioxidant and antidiabetic potential of methanolic extract from Corchorus olitorius Linn. grown in Saudi Arabia. Medicinal Plants-International Journal of Phytomedicines and Related Industries, 12(1), 71-76.
- Czinner E., Hagymasi K., Blazovic A., Kery A., Szoke E., & Lemberkovics, E. (2000). In vitro antioxidant properties of Helichrysum arenarium (L.) Moench. J Ethnopharmacol 73, 437–443.
- Erdem, S. & Eren, P.A. (2009). Tedavi amacıyla kullanılan bitkiler ve bitkisel ürünlerin yan etkileri. Türk Hijyen ve Deneysel Biyoloji Dergisi, 66: 3, 133-141.
- Erdoğan, K.G. & Göde F. (2022). Altın otu (Helichrysum italicum) esansiyel yağının mikrokapsüle edilmesi ve karakterizasyonu. Ege Univ. Ziraat Fak. Derg., 59 (4): 669-684.
- Gültekin, M. (2020). Adıyaman Akdağ (Tut-Erkenek) bölgesinden toplanan bazı bitkilerin antioksidan ve antibakteriyel aktiviteleri. Nevşehir Hacı Bektaş Veli Üniversitesi, Fen Bilimleri Enstitüsü, Moleküler biyoloji ve genetik anabilim dalı, Yüksek Lisans Tezi, 62s.
- Hagerman, A. E., Riedl, K. M., Jones, G. A., Sovik, K. N., Ritchard, N. T., Hartzfeld, P. W., & Riechel, T. L. (1998). High molecular weight plant polyphenolics (tannins) as biological antioxidants. Journal of agricultural and food chemistry, 46(5), 1887-1892.
- İnnami S, Ishida H, Nakamura K, Kondo M, Tabata K, Koguchi T, Shimizu J and Furusho T. (2005). Jew’s mellow leaves (Corchorus olitorius) suppress elevation of postprandial blood glucose levels in rats and humans. Int. J. Vitam. Nutr. Res., 75, 39-46.
- Ilhan, S., Savaroğlu, F., & Çolak, F. (2007). Antibacterial and Antifungal Activity of Corchorus olitorius L. (Molokhia) Extracts. International Journal of Natural & Engineering Sciences, 1(3).
Kaya, E. (2022).
- Helichrysum plicatum çiçeklerinin su, etanol, aseton, kloroform ve hekzan ekstrelerinin antioksidan aktivitelerinin belirlenmesi. Osmaniye Korkut Ata Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 5(2), 840-849.
- Kuete, V. (2017). Medicinal Spices and vegetables from Africa, 1st edition therapeutic potential against metabolic, inflammatory, infectious and systemic diseases. Academic Press.
- Kulisic-Bilusic T, Katalinic V, Dragovic-Uzelac V, Ljubenkov I, Krisko A, Dejanovic B (2008). Antioxidant and acetylcholinesterase inhibiting activity of several aqueous tea infusions in vitro. Food Technol Biotechnol. 46(4):368–75.
- Liu, X., Jing, X., & Li, G., (2019). A Process to acquire essential oil by distillation concatenated liquid-liquid extraction and flavonoids by solid-liquid extraction simultaneously from Helichrysum arenarium (L.) Moench inflorescences under ionic liquid-microwave mediated. Separation and Purification Technology, 209, 164–174.
- Mao, Z., Gan, C., Zhu, J., Ma, N., Wu, L., Wang, L., & Wang, X., (2017). Anti-atherosclerotic Activities of Flavonoids from the Flowers of Helichrysum arenarium L. Moench through the Pathway of Antiinflammation. Bioorganic and Medicinal Chemistry Letters, 27(12), 2812–2817.
- Mizzi, L., Chatzitzika, C., Gatt, R., & Valdramidis, V. (2020). HPLC analysis of phenolic compounds and flavonoids with overlapping peaks. Food technology and biotechnology, 58(1), 12-19.
- Mradu, G., Saumyakanti, S., Sohini, M., & Arup, M. (2012). HPLC profiles of standard phenolic compounds present in medicinal plants. International Journal of Pharmacognosy and Phytochemical Research, 4(3), 162-167.
- Nakaziba, R., Lubega, A., Ogwal-Okeng, J., & Alele, P. E. (2022). Phytochemical analysis, acute toxicity, as well as antihyperglycemic and antidiabetic activities of Corchorus olitorius L. leaf extracts. The Scientific World Journal, 1376817. https://doi.org/10.1155/2022/1376817.
- Ndlovu, J., & Afolayan, A.J. (2008). Nutritional analysis of the South African wild vegetable Corchorus olitorius L. Asian J PlantSci, 7(6), 615-618. https://doi.org/ 10.3923/ajps.2008.615.618.
- Oboh, G., Raddatz, H., & Henle, T. (2009). Characterization of the antioxidant properties of hydrophilic and lipophilic extracts of Jute (Corchorus olitorius) leaf. International journal of food sciences and nutrition, 60(sup2), 124-134.
- Orieke, D., Ohaeri, O.C., Ijeh, I.I., & Ijioma, S.N. (2018). Identification of phytocomponents and acute toxicity evaluation of Corchorus olitorius leaf extract. European Journal of Medicinal Plants, 1-16. https://doi.org/ 10.9734/EJMP/2018/38739.
- Özdenefe, M. S., Muhammed, A., Süer, K., Güler, E., Aysun, H., & Takcı, M. (2018). Determination of antimicrobial activity of Corchorus olitorius leaf extracts. Cyprus Journal of Medical Sciences, 3, 159-164.
- Özgen, U., Mavi, A., Terzi, Z., Coflkun, M., & Ali, Y. (2004). Antioxidant activities and total phenolic compounds amount of some Asteraceae species. Turkish J. Pharm. Sci, 1(3), 203-216.
- Sato, Y., Itagaki, S., Kurokawa, T., Ogura, J., Kobayashi, M., Hirano, T., Sugawara, M., & Iseki, K., (2011). In vitro and In vivo antioxidant properties of clorogenic acid and caffeic acid. International Journal of Pharmaceutics, 403(1-2), 136-138.
- Şen, N., & Kalaycı, G. (2016). Altın otu bitkisinden (helichrysum arenarium) tanen ve kumarinin kimyasal kompozisyonu. Selçuk Üniversitesi Fen Fakültesi Fen Dergisi, 42(2), 226-231.
- Sparg, S. G., M. E. Light, & J. van Staden, (2004). Biological activities and distribution of plant saponins. Journal of Ethnopharmacology, vol. 94, no. 2-3, pp. 219–243.
- Stankov S, Fidan H, Petkova N. 2020. Phytochemical composition of Нelichrysum arenarium (L.) Moench essential oil (aerial parts) from Turkey. Ukrainian Food J. 9(3):503–512.
- Tepe, B., Sokmen, M., Askin Akpulat, H., & Sokmen, A., (2005). In vitro antioxidant activities of the methanol extracts of four Helichrysum species from Turkey. Food Chemistry, 90(4), 685–689.
- Tuncer, B., & Ummuhan, F. (2017). Molehiya (Corchorus olitorius L.) tohumlarındaki dormansi probleminin çözümüne yönelik araştırma. Türkiye Tarımsal Araştırmalar Dergisi, 4(3), 268-274.
- Umaz, A., & Umaz, K., (2020). İki farklı lokasyona ait altın otunun (Helichrysum arenarium) uçucu bileşenlerinin belirlenmesi ve karşılaştırılması. Gümüşhane Üniversitesi Fen Bilimleri Dergisi, 10(3), 592-600.
- Umaz, A., Umaz, K., Aydın, F., & Aydın, I. (2023). Determination of multi-elemental analysis and antioxidant activities of Helichrysum arenarium (L.) Moench species. Hacettepe University Journal of the Faculty of Pharmacy, 43(2), 128-141.
- Uçan Türkmen, F., & Mercimek Takci, H. A. (2018). Ultraviolet-C and ultraviolet-B lights effect on black carrot (Daucus carota ssp. sativus) juice. Journal of Food Measurement and Characterization, 12, 1038-1046.
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