Pengaruh Penambahan Daun Stevia (Stevia rebaudiana bertoni) dalam Teh Hitam Daun Kopi Robusta (Coffea canephora)

FEBRIANITA, ELSA and Santoso, Budi (2025) Pengaruh Penambahan Daun Stevia (Stevia rebaudiana bertoni) dalam Teh Hitam Daun Kopi Robusta (Coffea canephora). Undergraduate thesis, Sriwijaya University.

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Abstract

This research aimed to determine effect of stevia leaves addition in Robusta Coffee Leaves Black Tea (Coffea canephora) on chemical, physical, functional and organoleptic characteristics. This research was carried out in October 2024 at the Chemical Processing and Sensory Laboratory of Agricultural Products, Department of Agricultural Technology, Faculty of Agriculture, Sriwijaya University. This research used a non-factorial Completely Randomized Design (CRD) consisting of 6 treatments, where each treatment was repeated 3 times. Treatment factors were addition of stevia leaves as followed (0 g stevia leaf powder, 0.2 g stevia leaf powder, 0.3 g stevia leaf powder, 0.4 g stevia leaf powder, 0.5 g stevia leaf powder, and 0.6 g stevia leaf powder). The observed parameters in this research were physical characteristics (color), chemical characteristics (moisture content, ash content, total phenols, antioxidants), and hedonic test (taste, color, aroma), and ranking test (level of sweetness). The results showed that addition of stevia leaves to robusta coffee leaf black tea had a significant effect on ash content, total phenols, antioxidant activity organoleptic tests (taste and color), and sweetness. Robusta coffee leaf black tea with a concentration of 20% was the best treatment based on the antioxidant activity value of 75.463 ppm, ash content of 8.54%, total phenol of 89.64 mgGAE/mg and hedonic tests on aroma, taste and color. Keywords: black tea, robusta coffee leaves, stevia leaf

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	daun kopi robusta, daun stevia, teh hitam
Subjects:	S Agriculture > S Agriculture (General) > S539.5-542.3 Research. Experimentation
Divisions:	05-Faculty of Agriculture > 41231-Agricultural Product Technology (S1)
Depositing User:	Elsa Febrianita
Date Deposited:	16 May 2025 02:55
Last Modified:	16 May 2025 02:55
URI:	http://repository.unsri.ac.id/id/eprint/172682

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