Vol 15 No 2 (2022): FLUIDA

Pengaruh Konsentrasi Gliserol dalam Edible Coating Tepung Biji Nangka dengan Penambahan Plasticizer Gliserol

Emmanuela Maria Widyanti (Unknown)
Nancy Siti Djenar (Jurusan Teknik Kimia, Politeknik Negeri Bandung)
Ari Marlina (Unknown)
Endang Widiastuti (Jurusan Teknik Kimia, Politeknik Negeri Bandung)
Irwan Hidayatulloh (Unknown)
Intan Puspitarini (Jurusan Teknik Kimia, Politeknik Negeri Bandung)
Dhara Firdausa (Jurusan Teknik Kimia, Politeknik Negeri Bandung)
Lidya Elizabeth (Politeknik Negeri Bandung)

Article Info

Publish Date
30 Nov 2022


Tomatoes are horticultural plants that are easily damaged, need to be coated with a food grade edible coating. The basic ingredients that can be used are polysaccharides, derived from jackfruit seed flour, then glycerol plasticizer is added to improve the brittle nature of the edible coating. The maximum glycerol added was carried out with the following concentration variations: control (without glycerol), 1.5%, 2.0%, 2.5%. The analysis carried out included testing the respiration rate and weight loss in tomato storage for 6 days. In determining the respiration rate, an experiment was carried out by flowing 1 L/minute of air for 2 minutes which had been passed through a saturated Ca(OH)2 solution flowed into a jar containing tomatoes, passing through a 0.05 N NaOH solution added 0.1% phenophthalein indicator and titrated with HCl 0.05 N until the red color disappears and the weight loss decreases on tomatoes coated with edible coating. The results obtained were the lowest decrease in respiration rate at 2% glycerol concentration of 0.137 mgCO2/kg.hour and the lowest decrease in weight loss at 2.5% glycerol concentration of 1.913%.

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Journal Info





Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Engineering Environmental Science Materials Science & Nanotechnology


FLUIDA (FLD, ISSN: 1412-8543, e-ISSN: 2723-7680) is a science and technology journal that contains articles taken from laboratory research results, simulation results of problems, conceptual analysis (the study of problem-solving in writing) about the production process, troubleshooting, and ...