Proceedings of the International Symposium Southeast Asia Vegetable 2021 (SEAVEG 2021)

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Effects of Various Drying Methods on the Physicochemical Properties of Telang Flower (Clitoria ternatea L.)

Authors
Endah Puspitojati1, *, Novia Aristi Rahayu1, Nur Fatimah2, Bambang Sudarmanto1
1Polytechnic of Agricultural Development Yogyakarta-Magelang, Jl. Kusumanegara No 2, Yogyakarta, Yogyakarta Special Province, Indonesia
2Taruna Agro Nusantara, Bantul Regency, Yogyakarta Special Province, Indonesia
*Corresponding author. Email: endahpuspitojati2802@gmail.com
Corresponding Author
Endah Puspitojati
Available Online 12 December 2022.
DOI
10.2991/978-94-6463-028-2_5How to use a DOI?
Keywords
Clitoria ternatea; Anthocyanin; Free radical inhibition; Antioxidant; Drying
Abstract

Telang flower is a biopharmaceutical horticulture commodity known as a functional food source since it contains rich nutrients. The drying methods influence the physicochemical properties of this flower. This study aimed to investigate the physicochemical properties of telang flowers using the sun and oven drying methods. The standard procedures were used to determine water, pH, anthocyanin content, free radical inhibitory activity, and IC50. This study used a randomized design with one treatment factor: drying methods, including sun drying, sun drying with black cloth cover, and oven drying. The fresh telang flower served as the control. Furthermore, the best drying treatment was also evaluated using the De Garmo effectiveness index test. The results revealed that all drying procedures significantly differed in water content, pH, anthocyanin content, and IC50 values (p < 0.05). Meanwhile, all treatments’ free radical inhibitory activity did not differ significantly (p > 0.05). It was found that all treatments had IC50 values in the range of 36.48–49.67 ppm of antioxidant activity. Telang flowers were found to be very potent antioxidants. As a result of the effectiveness index test, the sun drying using a black cloth cover provided the best treatment with the characteristics of water content, pH, anthocyanin content, free radical inhibitory activity, and IC50 of 17.47%, 7.03, 0.085 mg/mL, 85.51%, and 49.67 ppm, respectively.

Copyright
© 2023 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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Volume Title
Proceedings of the International Symposium Southeast Asia Vegetable 2021 (SEAVEG 2021)
Series
Advances in Biological Sciences Research
Publication Date
12 December 2022
ISBN
978-94-6463-028-2
ISSN
2468-5747
DOI
10.2991/978-94-6463-028-2_5How to use a DOI?
Copyright
© 2023 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Cite this article

risenwbib
TY  - CONF
AU  - Endah Puspitojati
AU  - Novia Aristi Rahayu
AU  - Nur Fatimah
AU  - Bambang Sudarmanto
PY  - 2022
DA  - 2022/12/12
TI  - Effects of Various Drying Methods on the Physicochemical Properties of Telang Flower (Clitoria ternatea L.)
BT  - Proceedings of the International Symposium Southeast Asia Vegetable 2021 (SEAVEG 2021)
PB  - Atlantis Press
SP  - 29
EP  - 35
SN  - 2468-5747
UR  - https://doi.org/10.2991/978-94-6463-028-2_5
DO  - 10.2991/978-94-6463-028-2_5
ID  - Puspitojati2022
ER  -