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      Pengaruh Penggunaan Ekstrak Kirinyuh (Chromolaena odorata L.) dalam Silika Gel terhadap Umur Simpan Buah Tomat

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      Date
      2024
      Author
      Umami, Khaira
      Palupi, Nurheni Sri
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      Abstract
      Tomat merupakan buah yang memiliki karakteristik lunak dan memiliki kadar air tinggi. Kadar air yang tinggi ini dapat mempercepat kerusakan karena rentan terhadap serangan mikroba. Tomat juga tergolong buah klimakterik yang masih melakukan proses respirasi dan metabolisme setelah pemanenan. Penggunaan ekstrak kirinyuh sebagai antimikroba dan silika gel sebagai penyerap uap air diharapkan mampu menghambat pertumbuhan mikroba dan memperpanjang umur simpan buah tomat. Penelitian ini bertujuan menentukan pengaruh perbedaan konsentrasi ekstrak kirinyuh dalam silika gel terhadap umur simpan dan mengevaluasi perubahan karakteristik fisik dan sensori buah tomat selama penyimpanan. Alur penelitian terdiri dari pembuatan ekstrak kirinyuh dalam silika gel, pengujian karakteristik fisik dan sensori, dan penentuan umur simpan buah tomat. Hasil penelitian menunjukkan perbedaan suhu penyimpanan berpengaruh terhadap nilai L*(kecerahan) dan nilai a* (warna hijau-merah). Perbedaan konsentrasi ekstrak kirinyuh memberikan pengaruh terhadap nilai L*(kecerahan), nilai b*(warna biru-kuning), kekerasan, dan susut bobot buah tomat. Perbedaan waktu penyimpanan memberikan pengaruh terhadap nilai L*(kecerahan), nilai a* (warna hijau-merah), nilai b* (warna biru-kuning), dan kekerasan buah tomat. Perlakuan yang memiliki umur simpan terbaik yaitu konsentrasi ekstrak kirinyuh 100% pada penyimpanan suhu ruang yaitu selama 28 hari. Semakin tinggi konsentrasi ekstrak kirinyuh, maka semakin panjang umur simpan buah tomat.
       
      Tomatoes are fruits that have soft characteristics and have high water content. This high water content can accelerate damage because they are susceptible to microbial attacks. Tomatoes are also classified as climacteric fruits that still carry out the process of respiration and metabolism after harvesting. The use of kirinyuh extract as an antimicrobial and silica gel as a water vapor absorber is expected to inhibit microbial growth and extend the shelf life of tomatoes. This study aims to determine the effect of different concentrations of kirinyuh extract in silica gel on shelf life and evaluate changes in physical and sensory characteristics of tomatoes during storage. The research flow consists of making kirinyuh extract in silica gel, testing physical and sensory characteristics, and determining the shelf life of tomatoes. The results showed that differences in storage temperature affected the L* value (brightness) and a* value (green-red color). Differences in kirinyuh extract concentrations affected the L* value (brightness), b* value (blue-yellow color), hardness, and weight loss of tomatoes. Differences in storage time affected the L* value (brightness), a* value (green-red color), b* value (blue-yellow color), and hardness of tomatoes. The treatment that has the best shelf life is the concentration of 100% kirinyuh extract at room temperature storage for 28 days. The higher the concentration of kirinyuh extract, the longer the shelf life of tomatoes.
       
      URI
      http://repository.ipb.ac.id/handle/123456789/158718
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      • UT - Food Science and Technology [3623]

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      Indonesia DSpace Group 
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