Optimized Alternating Current Electric Field and Light Irradiance for Caulerpa lentillifera Biomass Sustainability—An Innovative Approach for Potential Postharvest Applications

Andi Syahrullah Sulaimana, Bara Yudhistira, Chao-Kai Chang, Mohsen Gavahian, Cheng-Chia Yu, Chih-Yao Hou () and Chang-Wei Hsieh ()
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Andi Syahrullah Sulaimana: Department of International Master Program of Agriculture, National Chung Hsing University, 145 Xingda Rd., South District, Taichung City 40227, Taiwan
Bara Yudhistira: Department of Food Science and Biotechnology, National Chung Hsing University, 145 Xingda Rd., South District, Taichung City 40227, Taiwan
Chao-Kai Chang: Department of Food Science and Biotechnology, National Chung Hsing University, 145 Xingda Rd., South District, Taichung City 40227, Taiwan
Mohsen Gavahian: Department of Food Science, National Pingtung University of Science and Technology, 1 Shuefu Rd., Neipu, Pingtung 91201, Taiwan
Cheng-Chia Yu: School of Dentistry, Chung Shan Medical University, 110 Jianguo N. Rd., South District, Taichung City 40201, Taiwan
Chih-Yao Hou: Department of Seafood Science, National Kaohsiung University of Science and Technology, 142 Haizhuan Rd., Nanzi District, Kaohsiung City 81157, Taiwan
Chang-Wei Hsieh: Department of Food Science and Biotechnology, National Chung Hsing University, 145 Xingda Rd., South District, Taichung City 40227, Taiwan

Sustainability, 2022, vol. 14, issue 21, 1-16

Abstract: Recently published preliminary data proposed alternating current electric field (ACEF) as a promising technique for the postharvest storage of seagrape ( Caulerpa lentillifera ). The current study suggested a combination of storage light irradiance (SLI) and ACEF (intensity and time) to enhance seagrape physicochemical quality (PQ). It utilized Taguchi orthogonal array design (OAD) to optimize the processing conditions. Results showed all the processing parameters had significant ( p < 0.05) effects on seagrape PQ. This study found that 50 kV/m for 60 min (ACEF) and 9 mol photons m −2 s −1 performed the best inhibition on seagrape PQ deterioration. It revealed that adjusting the processing parameters in the range explored in this study (50, 125, 200 kV/m of ACEF intensity; 30, 60, 90 min of ACEF treatment time; 2, 9, 16 mol photons m −2 s −1 of SLI) can reduce up to 60% of total voltage usage compared to the previous study. With a sufficient SLI and an intermediate treatment time, the finest seagrape PQ can be sustained with a lower electric strength. Therefore, this method can benefit seagrape industries and contribute to realizing sustainable development goals by strengthening resource efficiency and lowering energy consumption.

Keywords: alternating current electric field; Caulerpa lentillifera; light irradiance; optimization; orthogonal array (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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