scholarly journals PENAMBAHAN GIBERALIN (GA3) DAN SUHU DINGIN TERHADAP MASA SIMPAN BUNGA GLADIOL DALAM KEMASAN PLASTIK

EUGENIA ◽  
2011 ◽  
Vol 17 (3) ◽  
Author(s):  
Ireine A. Longdong ◽  
Lady Lengkey ◽  
Stella Kairupan

ABSTRACT   This study aimed to obtain the concentration and duration of immersion Giberalin type GA 3 the most effective way to extend the shelf life of gladiolus flowers, and to get the type of packaging and the right temperature in prolonging the shelf life of gladiolus flowers to prolong shelf life. Descriptive method was used in two experiments. The first experiment was  GA3 concentration and immersion time on the shelf life of gladiolus flowers. The second experiment was  the type of packaging and cold temperatures on the shelf life of gladiolus flowers.  The result of first experiment showed that  gladiolus flowers  soaked at a concentration of 250 ppm GA3 and 1 hour immersion time gives had the lowest value. CO2 production was ranged from mlCO2/kg.hours 18:43  to 33.30 mlCO2/kg.hours. Severe shrinkage rates in day two ,four and six were    27.92%, 36.31% and 40.27% respectively. The degree of gladiolus flowers bloom in the day two was  42.85%  and degree of  on day four was 33.63%. The results of second experiment showed that gladiolus flowers packed in polypropylene plastic storage temperature of 50C for 12 days resulted  the lowest value. CO2 production were ranged from 8.68 mlCO2/kg.hours - 15:10 mlCO2/kg.hours. The severe shrinkage in first  day was  1 27.29%. The degree of blooming in the 8 th day was  9.63%. Degree of wilting during 12 days storage was  0%. Keywords: Flowers gladiolus, Giberalin, cold temperatures, shelf life, plastic packaging

2016 ◽  
Vol 1 (1) ◽  
pp. 977-984
Author(s):  
Nurita Agustia ◽  
Raida Agustina ◽  
Ratna Ratna

Abstrak. Merupakan salah satu komoditi buah-buahan yang memiliki nilai ekonomi dan banyak digemari masyarakat. Manggis merupakan salah satu buah yang memiliki umur simpan yang relatif singkat, setelah itu manggis akan menjadi busuk dan tidak layak lagi bila di simpan di ruangan, Oleh karena itu perlu dilakukan pengemasan dan penyimpanan pada suhu dingin untuk mempertahankan masa simpan buah manggis. Penelitian ini bertujuan untuk melihat pengaruh kemasan plastik dan suhu penyimpanan terhadap masa simpan buah manggis.Abstract. Is one of the commodities fruits that have economic value and much-loved community. Mangosteen is a fruit that has a relatively short shelf life, after that mangosteen will be rotten and unfit when stored in the room, therefore it is necessary for packaging and storage at cold temperatures to preserve the shelf life of the mangosteen fruit. This study aims to look at the effect of plastic packaging and storage temperature on the shelf life of the mangosteen fruit.


2004 ◽  
Vol 10 (2) ◽  
pp. 73-77 ◽  
Author(s):  
K. Perez ◽  
J. Mercado ◽  
H. Soto-Valdez

The effect of storage temperature on the shelf life, weight loss, respiration rate and ethylene production of Hass avocado (Persea americana Mill) was studied. Two batches of green mature avocado fruits, classified as ‘‘super extra’’ were stored at 10 and 20 C (first batch) and at 7 and 25 C (second batch). The avocado shelf lives were 22, 8, 32 and 6 days at 10, 20, 7 and 25 C, respectively. Based on the data of the first assay Q10 was calculated as 2.75, with this value the predicted shelf life at 7 and 25 C were 29.8 and 4.8 days, respectively. That meant shelf life was underestimated 7 and 20% at 7 and 25 C, respectively. Weight loss was linear at both the storage temperatures, it was 4.3% in fruits at 20 C for 8 days and 3.0% at 10 C for 22 days. The maximum CO2 production at 20 C was reached during the second day of storage, while at 10 C it was reached at the 17th day (176.17 15.98 and 74.73 7.32 mL/kg h, respectively). The maximum ethylene production at 20 C was reached the second day of storage, and at 10 C the 6th day (239.06 54.55 and 28.00 8.12 mL/kg h, respectively).


Author(s):  
Andi Nur Faidah Rahman ◽  
Victor Crystaline Muhammad ◽  
Februadi Bastian

Kepok bananas are processed bananas that have ABB genotype, the letter B indicates that banana kepok has a stronger resistance to disease and chilling injury in cold temperatures storage. Storage at cold temperatures can extend the shelf life of bananas, because cold temperatures can slow down the respiration and enzymatic processes. The purpose of this study is to observe the effect of storage temperature on quality and shelf life, and to determine optimum storage temperature. The method used is storage temperature at room, 15oC and 10oC until the banana is damaged. The parameters observed were respiration patterns, weight loss, hardness, fruit skin color, total acid, vitamin C, pH, and total soluble solids. The results showed that bananas stored at cold temperatures (10oC and 15oC) can last up to 20 days while at room temperature only lasts for 10 days. Kepok bananas stored at 10oC have not shown symptoms of chilling injury.


2020 ◽  
Vol 19 (2) ◽  
pp. 95
Author(s):  
Sussi Astuti ◽  
Sri Setyani ◽  
Suharyono Suharyono ◽  
Muhammad Nurreza Nurreza H

The aim of the research was to determine the shelf life of white oyster mushroom flour in polyethylene plastic packaging with the Arrhenius method. The study was arranged descriptively with two replications. White oyster mushroom flour was stored at three storage temperature conditions, i.e. 30oC, 40oC and 50o C in polyethylene plastic packaging with a thickness of 0.03 mm and stored for one month (28 days). Observations were made on water content, levels of free fatty acids, protein content, flavour and color of white oyster mushroom flour every once a week i.e. on days 0, 7, 14, 21 and 28. The data obtained were used to determine the shelf life of white oyster mushroom flour using acceleration (accelerated storage) method with Arrhenius equation model using Microsoft Excel software. The results showed that the shelf life of white oyster mushroom flour in polyethylene plastic packaging thickness of 0.03 mm using the Arrhenius method was set at a temperature of 30o C based on the parameters of the zero reaction protein content, which was 130.67 days (4.3 months). White oyster mushroom flour in polyethylene plastic packaging thickness of 0.03 mm during storage temperature of 30o C, 40o C, and 50o C tends to decrease protein content, color and aroma, but experience an increase in free fatty acid levels. White oyster mushroom flour in polyethylene plastic packaging at 30o C tends to increase in water content during storage, and decreased water content at 40o C and 50o C.


Author(s):  
Ansar Ansar ◽  
Sukmawaty Sukmawaty ◽  
Murad Murad ◽  
Isna Hilda Arini

Green bean sprouts are a type of vegetable that has a short shelf life. To extend the shelf life of these vegetables, they need to be stored by appropriate packaging methods. The aim of this study was to apply polyethylene (PE) and polypropylene (PP) plastic packaging to increase the shelf life of mung bean sprouts. The research was conducted by packing mung bean sprouts in PE and PP plastic at storage temperatures of 10 and 29 °C for 9 days. The parameters observed were weight loss, respiration rate, color, moisture content, and aroma. The results showed that mung bean sprouts stored in PE packaging had a longer shelf life than PP packaging. The shelf life of mung bean sprouts using PE packaging is 5 days, while PP packaging can only last 3 days at 10 °C. The shelf life of mung bean sprouts using PE packaging is 4 days, while the PP packaging can only last 2 days at 29 °C. Keywords: green bean sprouts, packaging, PE plastic, storage, temperature


2019 ◽  
Vol 29 (1) ◽  
pp. 111
Author(s):  
Darkam Musaddad ◽  
Suwarni Tri Rahayu ◽  
Poetry Sari Levianny

<p>Kemunduran mutu cabai segar setelah dipanen dipengaruhi oleh faktor lingkungan. Pengemasan dan penyimpanan suhu dingin merupakan bagian dari upaya untuk menekan kemunduran mutu. Tujuan penelitian untuk mengetahui laju rata-rata perubahan atribut mutu dan umur simpan beberapa jenis cabai pada berbagai kemasan dan suhu penyimpanan. Rancangan yang digunakan, yaitu rancangan acak kelompok pola faktorial dengan tiga faktor perlakuan dan tiga ulangan. Faktor pertama, yaitu tiga jenis cabai : (a1) cabai merah besar, (a2) cabai merah keriting, dan (a3) cabai rawit. Faktor kedua, dua suhu penyimpanan (b1) suhu kamar (20±3oC dan (b2) suhu dingin (10±1oC). Faktor ketiga, tiga jenis kemasan, yaitu (c1) baki styrofoam tanpa bungkus, (c2) baki styrofoam dibungkus plastik stretch film, dan (c3) baki styrofoam dibungkus plastik PE 0,03 mm berperforasi. Peubah yang diamati meliputi susut bobot, kadar air, kekerasan, kesegaran, vitamin C, dan umur simpan. Secara umum untuk semua jenis cabai dan jenis pengemas, penyimpanan di suhu dingin dapat menekan laju rata-rata perubahan atribut mutu sekaligus memperpanjang umur simpan sekitar 2,5–3 kali lipat dibandingkan suhu kamar. Pengemasan dengan styrofoam yang dibungkus plastik stretch film (c2) memberikan efek positif terhadap penekanan laju rata-rata perubahan atribut mutu dan umur simpan semua jenis cabai pada penyimpanan di suhu dingin, yaitu masing-masing 25 hari untuk cabai merah besar, 24 hari untuk cabai merah keriting, dan 18 hari untuk cabai rawit. Implikasi dari hasil penelitian ini adalah bahwa penyimpanan di suhu dingin dengan menggunakan pengemasan styrofoam dibungkus plastik stretch film dapat menekan laju rata-rata kemunduran mutu semua jenis cabai.</p><p><strong>Keywords</strong></p><p>Cabai; Mutu; Umur simpan; Suhu; Kemasan</p><p><strong>Abstract</strong></p><p>The deterioration in the quality of fresh chili after harvesting is influenced by environmental factors. Low temperature packaging and storage are part of effective efforts to reduce quality deterioration. The objective of this research was to obtain the rate of quality attribute change and shelf life of several kinds of chili on various packaging and storage temperature. The experiment was conducted using randomized block in a factorial design with three factors and three replications. The first factor was three type of chili: (a1) red hot chili, (a2) curly chili, and (a3) cayenne pepper. The second factor was two types of storage temperature: (b1) room there temperature (20±3°C) and (b2) cold temperature (10±1oC). The third factor was three types of packaging: (c1) styrofoam trays without wrapping, (c2) styrofoam trays with stretch film , and (c3) styrofoam trays with perforated PE plastic 0.03 mm. The variables observed included weight loss, moisture content, hardness, vitamin C, freshness, and shelf life. Generally, for all kinds of chili and types of packaging, storage in cold temperatures can slow the rate of change of the quality attributes while extending shelf life of about 2.5–3 times higher than room temperature. Packing with styrofoam stretch filmed in plastic stretch film (c2) has a positive effect on suppression rate of quality attributes change and shelf life of all kinds of chili on storage at cold temperatures, respectively 25 days for red hot chili, 24 days for curly chili, and 18 days for cayenne pepper. This research implied that storage at low temperatures using styrofoam packaging stretch filmed in plastic stretch film can reduce the rate of decline in the quality of all types of chili.</p>


2019 ◽  
Vol 8 (1) ◽  
pp. 138
Author(s):  
Chyntia Wulandari Eka Saputri ◽  
I. A. Rina Pratiwi Pudja ◽  
Pande Ketut Diah Kencana

Tujuan dari penelitian ini adalah untuk menentukan waktu perlakuan optimal dan suhu penyimpanan dingin untuk mutu kubis bunga. Penelitian ini menggunakan rancangan acak lengkap (RAL) yang terdiri dari dua faktor, faktor pertama adalah suhu yang digunakan dan faktor kedua adalah waktu selama show case. Faktor pertama terdiri dari dua level, yaitu (P1): show case temperature 8oC, dan (P2): show case temperature 15oC dan tambah kontrol (P0). Faktor kedua terdiri dari empat level, yaitu (A0): penyimpanan selama 0 jam, (A1): penyimpanan selama 12 jam, (A2): penyimpanan selama 16 jam, (A3): penyimpanan selama 20 jam dan diulang untuk 3 kali ulangan. Kubis bunga sebagai kontrol disimpan pada suhu kamar (28 ± 1 ?). Parameter kualitas yang diamati dalam penelitian ini termasuk penurunan berat badan, tingkat konsumsi O2, warna (warna berbeda), uji organoleptik termasuk umur simpan dan tingkat kerusakan. Hasil penelitian menunjukkan parameter penurunan susut bobot, laju konsumsi O2, warna, umur simpan, tingkat kerusakan pada suhu perlakuan suhu terbaik adalah suhu 8 ? dan waktu penyimpanan 20 jam (P1A3).Kata kunci: kembang kol, waktu penyimpanan, suhu penyimpanan dingin   The purpose of this study was to determine the optimal treatment time and cold storage temperature for the quality of cabbage flowers. This study uses a completely randomized design (CRD) consisting of two factors, the first factor is the temperature used and the second factor is the time during the showcase. The first factor consists of two levels, namely (P1): showcase temperature of 8oC, and (P2): showcase temperature of 15oC and added a control (P0). The second factor consists of four levels, namely (A0): storage for 0 hours, (A1): storage for 12 hours, (A2): storage for 16 hours, (A3): storage for 20 hours and repeated for 3 replications. Flower cabbage as control was stored at room temperature (28 ± 1 ?). The quality parameters observed in this study included weight loss, O2 consumption rate, color (color different), organoleptic tests including shelf life and damage level. The results showed the parameters of weight loss, O2 consumption rate, color, shelf life, damage rate at the best temperature of 8 ? and storage time of 20 hours (P1A3). Keywords: cauliflower, storage time, cold storage temperature


2012 ◽  
Vol 200 ◽  
pp. 466-469
Author(s):  
Wen Li Dong ◽  
Xue Gong ◽  
Jing Dong ◽  
Ling Jin ◽  
Yu Xiang Wei

The changing patterns of filbert peroxide value through the determination of different storage temperature conditions,research the dynamics characteristics of oxidative rancidity of filbert. By regression analysis base on the storage time and the logarithm of peroxide value,it concluded the grease oxidation reaction first-order kinetic equation of filbert.Using Arrhenius equation and Q10 model for 5 ~ 35 °C temperature within the shelf life of any temperature prediction model.


Foods ◽  
2021 ◽  
Vol 10 (5) ◽  
pp. 929
Author(s):  
Stefano Farris ◽  
Susanna Buratti ◽  
Simona Benedetti ◽  
Cesare Rovera ◽  
Ernestina Casiraghi ◽  
...  

The performance of two innovative packaging materials was investigated on two Sardinian extra-virgin olive oils (Nera di Gonnos and Bosana). In particular, a transparent plastic film loaded with a UV-blocker (packaging B) and a metallized material (packaging C) were compared each other and to brown-amber glass (packaging A). During accelerated shelf-life tests at 40 and 60 °C, the evolution of quality parameters (i.e., acidity, peroxide value, K270, and phenolic content) was monitored, together with the aromatic fingerprint evaluated by electronic nose. Packaging B resulted in the best-performing material in protecting oil from oxidation, due to its lower oxygen transmission rate (0.1 ± 0.02 cm3/m2 24 h) compared to packaging C (0.23 ± 0.04 cm3/m2 24 h). At the end of storage, phenolic reduction was on average 25% for packaging B and 58% for packaging C, and the aromatic fingerprint was better preserved in packaging B. In addition, other factors such as the sanitary status of the olives at harvesting and the storage temperature were demonstrated to have a significant role in the shelf life of packaged extra-virgin olive oil.


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