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Journal : Journal of Nutrition Science

Sensory Properties of Dadih Jelly Candy with The Addition of Clitoria Ternatea Flower Extract Indri Juliyarsi; Sri Melia; Rizki Dwi Setiawan; Sugeng Pangestu
Journal of Nutrition Science Vol 4, No 1 (2023): May, 2023
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jns.v4i1.7490

Abstract

An essential aspect of food product development is the sensory evaluation of product characteristics to test consumer acceptance. Characteristic properties, such as color, texture, flavor, and aroma, significantly affect the perception and acceptance of consumers. This study aimed to determine the effect of adding various concentrations of Clitoria ternatea flower (CTF) extract to dadih jelly candy on the physical properties of color and sensory properties, especially on quality characteristics and levels of consumer acceptance, using a hedonic test. This study used an experimental randomized block design divided into five treatments with the addition of CTF extract at concentrations of 0%, 0.5%, 1%, 1.5%, and 2%. The results showed that the CTF extract had a significant effect on the level of brightness (L*), the hedonic quality of color, and the hedonic color test, but had no significant effect on the value of a* (redness), b* (yellowness), and the hedonic quality and hedonic test of texture, flavor, and aroma of dadih jelly candy. The addition of 0.5% CTF extract was characteristic of dadih jelly candy that the panelists liked the most. It has a slightly soft texture, slightly sweet flavor, slightly dadih aroma, and high brightness.
Physical, chemical characteristics and antioxidant activity of edible film whey with the addition of telang flowers extract (Clitoria ternatea .L) Nabila, Syifa; Juliyarsi, Indri; Melia, Sri
Journal of Nutrition Science Vol 5, No 2 (2024): November, 2024
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jns.v5i2.8188

Abstract

This study aims to obtain the effect of adding telang flower extract (Clitoria ternatea. L) on the edible whey film's physical and chemical properties and antioxidant activity. This research uses a randomised design group of 4 treatments and five working groups. Conducted on antioxidant activity and physical characteristics. The study's results obtained edible whey film with telang flower extract was 0.14 mm, moisture content of 16.14%, solubility time of 45.60 seconds, and water vapor transmission rate of 3.72 g/m2. day, met the standards of JIS 2019. has the highest B*(bluish) color test value of 6.50 and average antioxidant activity of 17.60% to 49.60%. Based on the research results, it can be concluded that adding telang flower extract (Clitoria ternatea L.) can act as an antioxidant in edible whey film.
The Effect of Using Katuk Leaves (Sauropus Androgynus (L) Merr) As A Substitute for ZA (Ammonium Sulfate) on the Yield, Thickness, Color, Texture, and Organoleptic of Nata De Whey Akni, Fanny Virya; Melia, Sri; Juliyarsi, Indri
Journal of Nutrition Science Vol 5, No 1 (2024): May, 2024
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jns.v5i1.8387

Abstract

Utilization of cheese waste, namely whey, is one alternative to increase the added value of whey by processing it into nata de whey. This study aims to determine the effect of using Katuk leaves (Sauropus androgynus (L) Merr) as a substitute for ZA (Ammonium Sulfate) on the yield, thickness, color, texture, and organoleptic of Nata de whey.  This study used 8 liters of whey and Katuk leaves (Sauropus androgynus (L) Merr) as much as 600 g.  The experimental design used in this study, namely the Randomized Block Design (RBD) with four treatments and five repetitions.  The treatment in this study was A = 0.5% ZA, Katuk leaves (B = 5%, C = 10%, and D = 15%). The observed variables were yield, thickness, color, texture, and organoleptic.  The results showed that the treatment differed significantly (P<0.05) in yield, thickness, color, texture, and organoleptic.  The best treatment result is treatment B with a yield value of 91.94%, thickness of 7.77 mm, lightness (L*) 59.17, greenness (a*) -4.16, yellowness (b*) 7.52, texture 5.25 N/cm2, organoleptic color 3.90, scent 3.58, taste 3.82, texture 3.78.