Effect of Oxidative Stress on Physicochemical Quality of Taiwanese Seagrape (Caulerpa lentillifera) with the Application of Alternating Current Electric Field (ACEF) during Post-Harvest Storage

Sulaimana, Andi Syahrullah, Chang, Chao-Kai, Hou, Chih-Yao, Yudhistira, Bara, Punthi, Fuangfah, Lung, Chun-Ta, Cheng, Kuan-Chen, Santoso, Shella Permatasari and Hsieh, Chang-Wei (2021) Effect of Oxidative Stress on Physicochemical Quality of Taiwanese Seagrape (Caulerpa lentillifera) with the Application of Alternating Current Electric Field (ACEF) during Post-Harvest Storage. Effect of Oxidative Stress on Physicochemical Quality of Taiwanese Seagrape (Caulerpa lentillifera) with the Application of Alternating Current Electric Field (ACEF) during Post-Harvest Storage, 9 (7). p. 1011. ISSN 22279717, Jurnal Internasional Bereputasi SJR(2020): 0.41, Q2, H-Index: 28

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Official URL: https://www.mdpi.com/journal/processes

Abstract

This study aims to determine the physicochemical quality of seagrape (Caulerpa lentillifera) as a freshness label for products cultivated in different seasons. The applied post-harvest storage experiments compared between, within and without seawater that led to oxidative stress conditions. Water content, malondialdehyde (MDA) compound, total phenolic content (TPC), and chlorophyll content were observed at 0, 3, 6, and 9 days of storage. The storage without seawater showed sharper quality reductions by reaching 20–40% of water loss, 70–90% of MDA production, 15–25% of TPC reduction, and 40–60% of total chlorophyll degradation. The storage within seawater showed lower quality reductions due to the specific growth rates still reaching 5–10%. This study found that the greater the physicochemical quality, the slower the decomposition rates of the stored seagrape during storage. Therefore, the seagrapes’ obvious discoloration occurred earlier in winter, followed by summer and spring. Kinetics of chlorophyll degradation on seagrape in different seasons meet different order-reactions during storage. Furthermore, alternating current electric field (ACEF) treatment with 125 kV/m of intensity for 60 min can lower the spring seagrapes’ physicochemical quality by reaching 10–30% of inhibition, resulting in the shelf-life extension for up to 12 days of post-harvest storage.

Item Type:	Article
Additional Information:	Jurnal Internasional Bereputasi SJR(2020): 0.41, Q2, H-Index: 28
Uncontrolled Keywords:	ACEF treatment; chlorophyll degradation; physicochemical quality; postharvest storage; seagrape Caulerpa lentillifera
Subjects:	Engineering > Chemical Engineering
Divisions:	Journal Publication
Depositing User:	F.X. Hadi
Date Deposited:	13 Jul 2022 06:46
Last Modified:	03 Aug 2022 01:23
URI:	http://repository.ukwms.ac.id/id/eprint/31453

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