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Utami, Cahyaning Rini
Universitas Yudharta Pasuruan
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Journal : Journal of Natural Sciences and Learning

 1 
Antioxidant Activity and Organoleptic Quality of Crackers with Differences in the Addition of Black Glutinous Tape and Baking Powder Cahyaning Rini Utami; Nuriyah Fitriani
Journal of Natural Sciences and Learning Vol. 2 No. 2 (2023): Journal of Natural Science and Learning
Publisher : Jurusan Pendidikan Biologi, Fakultas Bahasa dan Sains, Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/jnsl.v2i2.85

Abstract

Tapioca flour-based crackers are a popular dry snack in Indonesia, characterized by their high starch content. However, recent developments have focused on creating crackers that are not only tasty but also have high nutritional value. One way to achieve this is by fortifying crackers with fermented products like black glutinous rice tape. This ingredient is known for its excellent nutrition and high antioxidant content, making it a healthy addition to crackers. The expansion of the volume of crackers is the primary factor that affects the crispness and quality of the crackers. This study aims to determine the proportion of the addition of black glutinous rice tape and baking powder concentration to the characteristics of crackers and determine the best crackers that can produce good quality and are acceptable in terms of sensory. The research design was a randomized complete block design with two factors. The first factor of black glutinous rice tape percentage (20, 30, 40%) and the second factor of baking powder concentration (0.1, 0.2, 0.3%) repeated three times resulted in 27 attempts. The ANOVA two-way statistics was utilized by the researchers to evaluate the chemical data, followed by the Tukey test to detect any significant differences among the treatments. Moreover, they employed Friedman's method to carry out organoleptic testing. The Effectiveness Index method identified the best treatment for chemical and organoleptic analysis, which was T3B2 (0.2% baking powder and 40% black glutinous rice tape). This treatment resulted in an antioxidant activity of 141.15 ppm, a water content of 9.05%, and an ash content of 1.71%. In addition, the organoleptic scores for color, aroma, taste, and texture were rated 4.66, 4.66, 3.40, and 3.70, respectively (3=least liked, 4= liked).
FORMULATION OF SEREH (Cymbopogon Nardus) AND CITRIC ACID ON THE CHARACTERISTICS OF TELANG FLOWER DRINK (Clitoria Ternatea) AS A READY TO SERVE FUNCTIONAL DRINK Cahyaning Rini Utami; Putri, Annisa Rachmani
Journal of Natural Sciences and Learning Vol. 4 No. 1 (2025): Journal of Natural Science and Learning
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/8a9ec233

Abstract

This research explores the formulation of a ready-to-serve (RTS) beverage utilizing butterfly pea flower (Clitoria ternatea) combined with lemongrass (Cymbopogon nardus) and citric acid to enhance both sensory qualities and antioxidant properties. The study aims to identify the optimal concentrations of lemongrass and citric acid that yield the best sensory attributes and health benefits. A randomized complete block design was employed, featuring two factors: the first factor being the lemongrass concentration (15, 20, and 25 grams) and the second factor the citric acid concentration (0.2, 0.4, and 0.6 grams), resulting in a total of 27 experimental combinations. The researchers utilized two-way ANOVA to analyze the chemical data, followed by Tukey's test to identify significant differences among treatments. Additionally, sensory evaluations were conducted using Friedman's method. The optimal formulation, identified as S3F3, exhibited an antioxidant activity of 5.80 ppm, a pH of 3.5, a color a* value of 3.5, and a color rating of 4.38 (liked). Furthermore, it received a taste score of 4.26 (liked) and an aroma score of 4.26 (liked). These findings indicate that the S3A3 formulation not only aligns with consumer preferences but also provides substantial health benefits, positioning it as a competitive option in the functional beverage market.
Co-Authors A. Asrijal Abdul Rosid Amruddin Amruddin Amruddin Amruddin Amruddin, Amruddin Aulia, Lailatuzzahro Al-Akhda Bekti Utomo Damayanti Masduki Deny Utomo Dewa Oka Suparwata Dewa Oka Suparwata E Ernawati, E Emmy Hamidah Ernawati Ernawati Ernawati Etty Sri Hertini Etty Sri Hertini Fitriani, Alisatul Gunawan, Untung Hapsari Titi Palupi Hayuti Windha Pagiu Ifadah, Qodhrul Izza Irdianis Indah Yuly Putri Pratama Irawati Mei Widiastuti Isnawati Nurjannah Jelita Safira April Yanti Khoirin Maghfiroh Lubis, Mitra Musika Maftuhatuz Zakiyah Darojah Moh. Awaludin Adam Moh. Awaludin Adam Nuriyah Fitriani Pareira, Magdalena Sunarty Parinduri, Ramadha Yanti Perceka, Andhika Lungguh Putri, Annisa Rachmani Putri, Elvina Triana R.R. Sri Karuniari Nuswardhani rahmi setiawati RASTRI, ENDAH SAPTO Restu Widyo Sasongko Rismawati, Senja Ike Roisatul Ainiyah Samuel Indrayana Saputri, Romadhiyana Kisno Sinta Hikmatul Fauziah Sulkha Mafaza Utami, Desy Cahyaning Vita Briliana Widyatus Solichah Yuliati, Luluk Zuhro, Lailatuz