PEMANFAATAN TEH DAUN SALAM DALAM PEMBUATAN KOMBUCHA [UTILIZATION OF BAY LEAF TEA IN KOMBUCHA PRODUCTION]
DOI:
https://doi.org/10.19166/jstfast.v7i1.6612Trefwoorden:
bay leaf, fermented beverage, kombucha, SCOBY, teaSamenvatting
Kombucha is a beverage made from tea and sugar, fermented with a symbiosis of bacteria and yeast. Kombucha is known for its health effect, therefore many traditional plants are used in the making of kombucha. Bay leaf or Syzygium polyanthum is one type of tropical plant that is often found in Indonesia. Bay leaf functions as an antioxidant, antiviral, antimicrobial, anti-inflammatory, and antitumor. In this research, bay leaves were processed using different processing methods, namely fresh tea (unprocessed), black tea, and green tea to reduce their astringency. The aims of this research were to determine the best processing method for bay leaf to be used in kombucha making and to determine the best concentration of bay leaf tea and fermentation time in making kombucha. The bay leaf tea concentration of 30%, 40%, and 50% and fermentation time of 7, 10, and 13 days were used. Results showed that bay leaf was best processed using green tea method, with total phenolic content obtained of 240.29 ± 9.48 mg GAE/L, total flavonoids of 41.61 ± 0.97 mg QE/L, total condensed tannins of 371.03 ± 5.60 mg CE/L, and antioxidant activity with IC50 of 9605.58 ± 279.12 ppm. Furthermore, kombucha made with the addition of 50% bay leaf tea and fermentation time of 10 days was chosen because it had the best organoleptic characteristics and antioxidant activity with IC50 of 6920.10 ± 360.04 ppm, total phenolic content of 340.21 ± 0.45 mg GAE/L, and total flavonoid content of 122.21± 1.53 mg QE/L.
Bahasa Indonesia Abstract:
Kombucha merupakan produk minuman yang dibuat dari teh dan gula yang difermentasi menggunakan simbiosis bakteri dan khamir. Kombucha diketahui memiliki berbagai manfaat bagi kesehatan, sehingga banyak tanaman tradisional yang dimanfaatkan dalam pembuatan kombucha. Daun salam atau Syzygium polyanthum merupakan salah satu tanaman tropis yang banyak ditemukan di Indonesia. Daun salam diketahui berfungsi sebagai antioksidan, antivirus, antimikroba, antiinflamasi, dan antitumor. Pada penelitian ini, dan salam diproses dengan berbagai metode, yaitu teh segar (tanpa proses), teh hitam, dan teh hijau, untuk mengurangi rasa sepat daun salam. Tujuan penelitian ini adalah menentukan metode pengolahan daun salam terbaik untuk pembuatan kombucha, serta menentukan konsentrasi teh dan lama fermentasi terbaik dalam pembuatan kombucha. Adapun konsentrasi teh daun salam yang digunakan adalah 30, 40, dan 50%, dengan lama fermentasi 7, 10, dan 13 hari. Hasil penelitian menunjukkan bahwa metode pengolahan daun salam terbaik adalah dengan metode pengolahan teh hijau, yang menghasilkan total fenolik sebesar 240,29 ± 9,48 mg GAE/L, total flavonoid sebesar 41,61 ± 0,97 mg QE/L, total tanin terkondensasi sebesar 371,03 ± 5,60 mg CE/L, dan aktivitas antioksidan dengan nilai IC50 sebesar 9605,58 ± 279,12 ppm. Selain itu, kombucha yang dibuat dengan penambahan teh daun salam sebesar 50% dan lama fermentasi 10 hari merupakan formulasi terpilih karena memiliki karakteristik organoleptik terbaik, dan aktivitas antioksidan dengan nilai IC50 sebesar 6920,10 ± 360,04 ppm, total fenolik sebesar 340,21 ± 0,45 mg GAE/L, dan total flavonoid sebesar 122,21± 1,53 mg QE/L.
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