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DOI :10.26650/JARHS2022-1071325   IUP :10.26650/JARHS2022-1071325    Tam Metin (PDF)

FARKLI ÇAY ÖRNEKLERİNİN KATEŞİK TANEN İÇERİĞİ

Gülbahar Özge Alim ToramanNur Tan

Amaç: Theaceae familyasının bir üyesi olan Camellia sinensis (çay), farklı kültürel formlarda, birçok tropikal ve subtropikal bölgede bulunabilir. Çin ve Japonya kökenli olup, Türkiye’de sadece Doğu Karadeniz Bölgesinde yetişen, yaprak dökmeyen küçük bir ağaç olarak tanımlanmaktadır. Beyaz, yeşil ve siyah çayların hepsi Camellia sinensis türünden elde edilir. Bilimsel çalışmalar, üretim aşamalarındaki farklı fermantasyon süreçleri nedeniyle farklı çay türlerinin ortaya çıktığını göstermektedir. Bu araştırmada beş farklı markadan satın alınan C. sinensis örneklerinde (A-E) makroskopik ve mikroskobik analizler, tanen tanısı ve kateşik tanen tayini yapıldı. Gereç ve Yöntem: Beş gram toz çay numunesi 50 ml sıcak su ile ekstre edilmiş ve ekstrelerdeki kateşik tanen teşhisi jelatin, ferrik ve stiasny testleri ile analiz edilmiştir Bulgular: A-E (her bir markadan beyaz, yeşil ve siyah çay) numunelerinin makroskopik incelemesi sırasında hiçbir renk, koku veya başka bir madde gözlenmemiştir. Örnekler mikroskobik olarak incelendiğinde tüm örneklerde çayın karakteristik yapısı olan idioblast varlığı tespit edilmiştir. Sonuçlar: Tüm örnekler tanen ve kateşik tanen teşhisinde pozitif sonuç vermiştir. Kateşin içeriği 1 gramlık numunelerde; E beyaz çay 0,1300 gr, yeşil çay 0,1500 gr, siyah çay 0,0693 gr; D beyaz çay 0,1889 gr yeşil çay 0,1228 gr siyah çay 0,0710 gr; C beyaz çay 0,2118 g yeşil çay 0,1306 g siyah çay 0,0436 g; A beyaz çay 0,2400 g, yeşil çay 0,1972 g, siyah çay 0,0686 g; B beyaz çay 0,3317 gr, yeşil çay 0,1380 gr, siyah çay 0,0517 gr olarak tespit edilmiştir.

DOI :10.26650/JARHS2022-1071325   IUP :10.26650/JARHS2022-1071325    Tam Metin (PDF)

CATECHIC TANNIN CONTENT OF DIFFERENT TEA SAMPLES

Gülbahar Özge Alim ToramanNur Tan

Objective: Camellia sinensis (tea) which is a member of the Theaceae family can be found in many tropical and subtropical areas with diverse cultural forms. It is grown only in the Eastern Black Sea Region of Turkey and originated from China and Japan and is defined as a small evergreen tree. White, green, and black teas are all made from the Camellia sinensis plant species. Scientific studies have shown that distinct types of tea have emerged because of different fermentation processes in the production stages. In this study, the macroscopic and microscopic analysis, diagnosis of tannin, and catechical tannin determination have been conducted on fifteen Camellia sinensis samples purchased from various places. Material and Methods: Five grams of powdered tea samples were extracted with 50 ml of hot water and the catechical tannin determination in the extracts was made by gelatin, ferric and stiasny tests. Results: In the macroscopical examination of A-E (white, green, and black) tea samples the researchers observed no color, odor, or any other substance. When all the samples were microscopically examined, reaserch detected the presence of idioblast which is the characteristic structure of the tea. Conclusion: There was a positive result regarding a diagnosis of tannin and catechical tannin. Catechin substances were determined in each of the one gram samples; The E white tea 0,1300 g, green tea 0,1500 g, black tea 0,0693 g; the D white tea 0,1889 g, green tea 0,1228 g, black tea 0,0710 g; the C white tea 0,2118 g, green tea 0,1306 g, black tea 0,0436 g; the A white tea 0,2400 g, green tea 0,1972 g, black tea 0,0686 g; the B white tea 0,3317 g, green tea 0,1380 g, black tea 0,0517 g.


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DIŞA AKTAR



APA

Alim Toraman, G.Ö., & Tan, N. (2019). FARKLI ÇAY ÖRNEKLERİNİN KATEŞİK TANEN İÇERİĞİ. Sağlık Bilimlerinde İleri Araştırmalar Dergisi, 0(0), -. https://doi.org/10.26650/JARHS2022-1071325


AMA

Alim Toraman G Ö, Tan N. FARKLI ÇAY ÖRNEKLERİNİN KATEŞİK TANEN İÇERİĞİ. Sağlık Bilimlerinde İleri Araştırmalar Dergisi. 2019;0(0):-. https://doi.org/10.26650/JARHS2022-1071325


ABNT

Alim Toraman, G.Ö.; Tan, N. FARKLI ÇAY ÖRNEKLERİNİN KATEŞİK TANEN İÇERİĞİ. Sağlık Bilimlerinde İleri Araştırmalar Dergisi, [Publisher Location], v. 0, n. 0, p. -, 2019.


Chicago: Author-Date Style

Alim Toraman, Gülbahar Özge, and Nur Tan. 2019. “FARKLI ÇAY ÖRNEKLERİNİN KATEŞİK TANEN İÇERİĞİ.” Sağlık Bilimlerinde İleri Araştırmalar Dergisi 0, no. 0: -. https://doi.org/10.26650/JARHS2022-1071325


Chicago: Humanities Style

Alim Toraman, Gülbahar Özge, and Nur Tan. FARKLI ÇAY ÖRNEKLERİNİN KATEŞİK TANEN İÇERİĞİ.” Sağlık Bilimlerinde İleri Araştırmalar Dergisi 0, no. 0 (Jun. 2022): -. https://doi.org/10.26650/JARHS2022-1071325


Harvard: Australian Style

Alim Toraman, GÖ & Tan, N 2019, 'FARKLI ÇAY ÖRNEKLERİNİN KATEŞİK TANEN İÇERİĞİ', Sağlık Bilimlerinde İleri Araştırmalar Dergisi, vol. 0, no. 0, pp. -, viewed 30 Jun. 2022, https://doi.org/10.26650/JARHS2022-1071325


Harvard: Author-Date Style

Alim Toraman, G.Ö. and Tan, N. (2019) ‘FARKLI ÇAY ÖRNEKLERİNİN KATEŞİK TANEN İÇERİĞİ’, Sağlık Bilimlerinde İleri Araştırmalar Dergisi, 0(0), pp. -. https://doi.org/10.26650/JARHS2022-1071325 (30 Jun. 2022).


MLA

Alim Toraman, Gülbahar Özge, and Nur Tan. FARKLI ÇAY ÖRNEKLERİNİN KATEŞİK TANEN İÇERİĞİ.” Sağlık Bilimlerinde İleri Araştırmalar Dergisi, vol. 0, no. 0, 2019, pp. -. [Database Container], https://doi.org/10.26650/JARHS2022-1071325


Vancouver

Alim Toraman GÖ, Tan N. FARKLI ÇAY ÖRNEKLERİNİN KATEŞİK TANEN İÇERİĞİ. Sağlık Bilimlerinde İleri Araştırmalar Dergisi [Internet]. 30 Jun. 2022 [cited 30 Jun. 2022];0(0):-. Available from: https://doi.org/10.26650/JARHS2022-1071325 doi: 10.26650/JARHS2022-1071325


ISNAD

Alim Toraman, GülbaharÖzge - Tan, Nur. FARKLI ÇAY ÖRNEKLERİNİN KATEŞİK TANEN İÇERİĞİ”. Sağlık Bilimlerinde İleri Araştırmalar Dergisi 0/0 (Jun. 2022): -. https://doi.org/10.26650/JARHS2022-1071325



ZAMAN ÇİZELGESİ


Gönderim11.02.2022
Kabul18.04.2022
Çevrimiçi Yayınlanma11.05.2022

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İstanbul Üniversitesi Yayınları, uluslararası yayıncılık standartları ve etiğine uygun olarak, yüksek kalitede bilimsel dergi ve kitapların yayınlanmasıyla giderek artan bilimsel bilginin yayılmasına katkıda bulunmayı amaçlamaktadır. İstanbul Üniversitesi Yayınları açık erişimli, ticari olmayan, bilimsel yayıncılığı takip etmektedir.