SHERLY ISTI ANNISA, 1114121177 (2015) PENGARUH AMINOETHOXYVINYLGLYCINE (AVG), PLASTIC WRAPPING, DAN SUHU SIMPAN TERHADAP MASA SIMPAN DAN MUTU BUAH JAMBU BIJI (Psidium guajava L.) ‘MUTIARA’. FAKULTAS PERTANIAN, UNIVERSITAS LAMPUNG.
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Abstract
Jambu biji tergolong buah yang bersifat klimaterik yang ditandai dengan peningkatan respirasi dan produksi etilen yang tinggi selama proses pemasakan sehingga masa simpan pendek dan mudah mengalami kerusakan. Penanggulangan pascapanen dalam memperpanjang masa simpan dan mempertahankan mutu buah dapat dilakukan dengan cara aplikasi aminoethoxyvinylglycine (AVG), plastic wrapping, dan penyimpanan pada suhu dingin. Penelitian ini bertujuan untuk mengetahui pengaruh (1) aplikasi tunggal AVG, plastic wrapping, dan suhu dingin, (2) interaksi antara AVG dan plastic wrapping, AVG dan suhu dingin, dan plastic wrapping dan suhu dingin, dan (3) interaksi antara AVG, plastic wrapping, dan suhu dingin dalam memperpanjang masa simpan dan mempertahankan mutu buah jambu biji ‘Mutiara’. Penelitian disusun dalam Rancangan Teracak Sempurna (RTS) secara faktorial 2 x 2 x 2 dengan tiga ulangan. Faktor pertama adalah AVG (dengan 1,25 ppm dan tanpa AVG), faktor kedua adalah plastic wrapping (tanpa dan dengan 1 lapis plastic wrapping), dan faktor ketiga adalah suhu simpan (suhu dingin 21,53 ºC dan suhu kamar 26,87 ºC). Hasil penelitian menunjukkan (1) aplikasi AVG 1,25 ppm tidak berpengaruh nyata terhadap masa simpan, kekerasan, susut bobot, ºBrix, asam bebas, dan tingkat kemanisan buah jambu biji ‘Mutiara’, (2) aplikasi plastic wrapping dapat memperpanjang masa simpan 17 hari lebih lama dibandingkan tanpa plastic wrapping dan dapat menekan susut bobot buah jambu biji ‘Mutiara’, tetapi mempercepat pelunakan dan tidak dapat mempertahankan ºBrix, serta tidak berpengaruh nyata terhadap asam bebas, dan tingkat kemanisan buah jambu biji ‘Mutiara’, (3) penyimpanan pada suhu dingin 21, 53 ºC tidak berpengaruh nyata terhadap masa simpan, kekerasan, susut bobot, ºBrix, asam bebas, dan tingkat kemanisan buah jambu biji ‘Mutiara’, (4) tidak terdapat pengaruh interaksi antara AVG dengan plastic wrapping, AVG dengan suhu dingin, dan plastic wrapping dengan suhu dingin terhadap masa simpan, kekerasan, susut bobot, ºBrix, asam bebas, dan tingkat kemanisan buah jambu biji ‘Mutiara’, dan (5) tidak terdapat pengaruh interaksi antara AVG, plastic wrapping, dan suhu dingin terhadap masa simpan, kekerasan, susut bobot, ºBrix, asam bebas, dan tingkat kemanisan buah jambu biji ‘Mutiara’. Kata kunci: jambu biji ‘Mutiara, AVG, plastic wrapping, suhu, masa simpan, mutu Abstrak Bahasa Inggris Guava is categorized as a climacteric fruit that has an increased rate of respiration and high ethylene production during ripening process so it has a short shelf-life and easy to detiorate. Postharvest prevention to extend shelf-life and maintain the quality of the guava were done by applying aminoethoxyvinylglycine (AVG), plastic wrapping, and cold storage temperature. The research was aimmed at studying the effects of (1) single application AVGs, plastic wrappings, and storage temperatures, (2) interactions among AVGs and plastic wrappings, AVGs and storage temperatures, and plastic wrappings and storage temperatures, and (3) interactions among AVGs, plastic wrappings, and storage temperatures in extending fruit shelf-life and maintaining qualities of ‘Mutiara’guava fruits. The research was arranged in a completely randomized design in a 2 x 2 x 2 factorial with three replications. The first factor was AVGs (with 1,25 ppm and without AVG), the second factor was plastic wrappings (without and with one layer of plastic wrapping), and the third factor was storage temperature (a cold temperature of 21, 53 ºC and a room temprature of 26,57 ºC). The result showed that (1) the application of AVG 1,25 ppm did not significantly affect fruit shelf-life, fruit firmness, fruit weight loss, ºBrix, acid contens, and sweetness of ‘Mutiara’guava’ fruits, (2) the application of plastic wrapping was able to extend fruit shelf-life by 17 days longer than without plastic wrapping and supressed fruit weight loss of ‘Mutiara’guava, but accelerated softening and not able to maintain ºBrix, and also did not significantly affect acid contens, and sweetness of ‘Mutiara’guava fruits, (3) storage at cold temprature of 21, 53 ºC did not significantly affect fruit shelf-life, fruit firmness, fruit weight loss, ºBrix, acid contens, and sweetness of ‘Mutiara’guava’ fruits, (4) there were no interaction effects among AVGs with plastic wrappings, AVGs with cold tempratures, and plastic wrappings with cold tempratures on shelf-life, fruit firmness, fruit weight loss, ºBrix, acid contens, and sweetness of ‘Mutiara’guava fruits, and (5) there were no interaction effects among AVGs, plastic wrappings, and cold temperatures on fruit shelf-life, fruit firmness, fruit weight loss, ºBrix, acid contens, and sweetness of ‘Mutiara’ guava fruits. Keywords: ‘Mutiara’guava, AVG, plastic wrapping, temperature, shelf-life, quality
| Item Type: | Other |
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| Subjects: | Pertanian > Budidaya tanaman Teknologi > Teknologi lingkungan . rekayasa sanitasi Teknologi > Teknologi lingkungan . rekayasa sanitasi |
| Divisions: | Fakultas Pertanian > Prodi Agroteknolgi |
| Depositing User: | 5202641 . Digilib |
| Date Deposited: | 23 Nov 2015 06:12 |
| Last Modified: | 23 Nov 2015 06:12 |
| URI: | http://digilib.unila.ac.id/id/eprint/14794 |
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