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INDONESIA
Jurnal Penelitian Pascapanen Pertanian
Published by Kementerian Pertanian
ISSN : 02161192     EISSN : 25414054     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Penelitian Pascapanen Pertanian (J.Pascapanen) memuat artikel primer yang bersumber dari hasil penelitian pascapanen pertanian. Jurnal ini diterbitkan secara periodik dua kali dalam setahun oleh Balai Besar Penelitian dan Pengembangan Pascapanen Pertanian, Badan Penelitian dan Pengembangan Pertanian.
Arjuna Subject : -
Articles 258 Documents
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PHYSICOCHEMICAL PROPERTIES OF NATURALLY BREWED BEVERAGE OF PLETEKAN LEAVES (Ruellia tuberosa L) WITH ADDITION OF NATURAL FLAVORS Retno Prasetia; Muh. Doddy Pratama; Pratiwi Jati Palupi
Jurnal Penelitian Pascapanen Pertanian Vol 18, No 3 (2021): Jurnal Penelitian Pascapanen Pertanian
Publisher : Balai Besar Penelitian dan Pengembangan Pascapanen Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpasca.v18n3.2021.139-146

Abstract

Pletekan leaves (Ruellia tuberosa L) is used as traditional medicine for diabetic because of the presenting of flavoloid (polyphenol). The aim of this research was to improve the taste of brewed beverage thus itincreases community appeal to consume. This study used completely randomized design (RAL) with 4 treatments (flavor varians: bay leaves, cinnamon, ginger, and pandan leaves with ratio of natural flavor to pletekan leaves 0.5:1) and three replications. The parameters analysed were chemical test (the percentage of water, total phenolic, tannin, antioxidant activity), and organolepticresults (hedonic test) that was analysed with ANOVA at 5% level. The results showed that the percentages of water in all the dried sample for making brewed beverage were in the range of 5,33% – 8%. The combination of pletekan leaves and cinnamon gave the highest total phenolic and tannin concentration (88,73 ± 0,07 mg GAE/10 g sample and 143,63 ± 0.31 mg/L) but having the second highest oxidant activity after DP+DS combination. The organoleptic results showed that the combination of brewed DP+KM had different taste as preferred taste. This combination also gave the highest preferred color but no significant different than others. Because there were no differences in oudor and texture of bewed beverage, thus the combination of DP+KM was the best combination in giving the preferred taste of beverage. 
ANTIBACTERIAL ACTIVITY OF TEA, BREADFRUIT, AND PIPER BETLE LEAVES EXTRACTS AGAINST Propionibacterium acnes AND ITS APPLICATION AS ANTI-ACNE MASK Angie Lucita; Tensiska Tensiska
Jurnal Penelitian Pascapanen Pertanian Vol 18, No 2 (2021): Jurnal Penelitian Pascapanen Pertanian
Publisher : Balai Besar Penelitian dan Pengembangan Pascapanen Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpasca.v18n2.2021.105-112

Abstract

Tea, breadfruit, and piper betle leaves contain bioactive components that have a function as an antibacterial. The purpose of this study was to determine the type of leaf extract that has the highest inhibition power against Proponibacterium acnes and determine the concentration of the selected extract for mask applications that have good physical characteristics and acceptable to panelists. Extraction of tea, breadfruit, and piper betel leaves were carried out with 96% ethanol solvent using maceration method for 24 hours and concentrated with a rotary evaporator. Thick extracts contribute to antibacterial activity by disk diffusion method and total phenolic content. The selected extract was formulated into a clay mask with concentration of 0.5%, 1%, and 1.5%. The result showed that breadfruit leaf extract had the highest inhibition power against Propionibacterium acnes which was 10.844 ± 0.327 mm (strong inhibition category) so that extract can be applied to clay mask. Breadfruit leaf extract concentration of 1.5% was the chosen formulation because it meets the standards, approved by the panelists and the most effective antibacterial for acne problems.
ANALYSIS OF THE QUALITY PARAMETER AND THE FATTY ACID CONTENT FROM THE FOUR OF INDONESIAN CONSUMED NUTS Indra Topik Maulana; Tiara Deviani; Alfiah Nurulfikri
Jurnal Penelitian Pascapanen Pertanian Vol 18, No 3 (2021): Jurnal Penelitian Pascapanen Pertanian
Publisher : Balai Besar Penelitian dan Pengembangan Pascapanen Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpasca.v18n3.2021.147-156

Abstract

Consumption of nuts is known to have a variety of health benefits. Nutritional contents in the nuts are needed, especially in order to provide healthy food. Nuts are rich in protein, carbohydrates, fiber, fatty acids, and bioactive compounds. There are four types of beans that are commonly consumed by Indonesian people, namely soybeans [Glycine max (L.) Merr], green beans [Vigna radiata (L.) Wilezek], peas (Pisum sativum L.), and red beans (Phaseolus vulgaris L). The purposes of this study were to produce data on the content of secondary metabolites, the value of quality parameters, and data on fatty acid content in four types of nuts. A series of research phases have been conducted including phytochemical screening, analysis of quality parameters, and analysis of fatty acid content using gas chromatography-mass spectroscopic methods (GCMS). The results showed that the four types of beans contained alkaloids and essential oils, and some of them contained flavonoids, tannins, saponins, and polyphenols. Analysis of quality parameters showed that the content of polar compounds was higher than the semi-polar and non-polar compounds. The largest yield of fatty oil was produced from soybeans (3.83%) followed by peas (1.25%), green beans (0.57%), and kidney beans (0.44%). The oils from the all both contained palmitic acid, LA, and stearic acid. Only green bean and red bean oil contained omega-3, namely ALA, in the amounts respectively 20.37% and 40%. Meanwhile, soybean and peanut oil contained LA 36.71% and 35.53% respectively.
THE PROCESSING OF WHITE PEPPER BY FERMENTATION THROUGH SOAKING TIME AND CONCENTRATION OF Bacillus Subtilis INOCULUM ON QUALITY AND OFF FLAVOUR CONTENT Hernani, Hernani; Yumma, Haura Latifa; Aminingsih, Tri
Jurnal Penelitian Pascapanen Pertanian Vol 18, No 3 (2021): Jurnal Penelitian Pascapanen Pertanian
Publisher : Balai Besar Penelitian dan Pengembangan Pascapanen Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpasca.v18n3.2021.113-120

Abstract

The processing of white pepper is still done traditionally, namely by soaking in unclean water that it can cause product contamination by unwanted microorganisms. The present work was to find out the effect of white pepper processing by fermentation using Bacillus subtilis inoculum through the length of soaking time and concentration of the inoculum on the quality and off-flavor compounds. The research method was carried out in several stages, namely the preparation of B. subtilis inoculum, preparation of raw materials, fermentation of pepper, decortication, drying using an oven at 50 ° C, analysis of quality and of off flavor compounds. The results showed that the soaking time has a significant effect on the content of light pepper, piperine, essential oil, and the color of the pepper. The concentration of B. subtilis inoculum has a significant effect on the quality of piperine, essential oil, and pepper color. The interaction between the soaking time and B. subtilis concentration has significantly affected the quality of piperine and essential oil levels. The soaking time of pepper for 7 days and the varying concentration of B. subtilis inoculums produced better quality pepper compared to the length of soaking for 5 days. White pepper with the lowest TPC value was from soaking for 5 days with B. subtilis inoculum concentration of 20% was 1.86x103 CFU / g. From the analysis of off-flavor compounds in the 5-days fermentation were identified 4 off flavor compounds, i.e., propanoic, butanoic, hexanoic acids and piperonal, while the 7-days with the same compound and the addition of 2 other compounds, namely p-cresol and 2 H methyl indole.
THE EFFECT OF EDIBLE COATING CHITOSAN-VIRGIN COCONUT OIL ON THE STORAGE OF STRAWBERRY Eviomitta Rizki Amanda; Yulianto Ade Prasetya; Alliyu Wahyu Mardini; Berta Dhea Nabila
Jurnal Penelitian Pascapanen Pertanian Vol 18, No 3 (2021): Jurnal Penelitian Pascapanen Pertanian
Publisher : Balai Besar Penelitian dan Pengembangan Pascapanen Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpasca.v18n3.2021.157-164

Abstract

Edible coating based on chitosan-virgin coconut oil (VCO) as coating materials on strawberries have been successfully developed. This research aims to prolong the shelf life of strawberries by inhibiting the growth of microorganism. The experimental design used completely randomized design (CRD). Edible coating solution was prepared by mixing chitoson 1,6% b/v and VCO in various concentration namely 1%, 2% and 3%. The immersion process was carried out by inserting strawberries into edible coating solution for 1 min, 2 min and 3 min, respectively. The results showed that edible coating with various of VCO concentrations have good performance to inhibit the growth of microorganism and fungi. The variotion of VCO concentration 2% on the seventh day storage was more effective at inhibiting bacterial growth of 37,5% with the total colony growth of 1,52 × 109 cfu/mL. The optimum immersion time showed that 2 min has optimum inhibition results of 64,9% with the total colony growth of 4,7 × 108 cfu/mL on the second day of storage. Whereas for yeast, the optimum VCO concentration of 1% on the seventh day of storage showed the best inhibition performance for yeast growth of 72% with the total colony growth of 4,9 × 108 cfu/mL. The duration of immersion process showed the greatest inhibition performance of 70,8% on the seventh day with the total colony growth of 5,1 × 108 cfu/mL. Edible coating chitosanVCO successfully inhibited the microorganism growth and maintain the strawbeeries quality until the fifth day of storage.
INHIBITING ACTIVITY OF ANGIOTENSIN CONVERTING ENZYME-1 BY BEAN PROTEIN HYDROLYSATE GENUS PHASEOLUS Tejasari Tejasari; Faiqotul Aulia; Nurdiana Agustina
Jurnal Penelitian Pascapanen Pertanian Vol 18, No 2 (2021): Jurnal Penelitian Pascapanen Pertanian
Publisher : Balai Besar Penelitian dan Pengembangan Pascapanen Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpasca.v18n2.2021.75-86

Abstract

Kidney bean (Phaseolus.vulgaris L. Chitra) and lima bean (Phaseolus lunatus L. Sweet) hydrolysates were obtained by alcalase and flavourzyme hydrolysis of the bean seed protein. Peptide in the bean hydrolysates, with hydrophobic amino acids had been studied for their inhibitory ACE-1 activity preventing transformation into ACE-2 that prevention hypertension. This study aimed to measure inhibitory ACE-1 activity of protein hydrolyzates from the bean Phaseolus genus spp. grown in Jember, and its solubility. The bean protein (19.8-20,2%) was extracted using isoelectric precipitation at pH 4-4,6. The extract were hydrolyzed at pH 8-9 for alcalase and pH 7 for flavourzyme, followed with inactivation at 80-85 o C. ACE-1 inhibitory activity was measured based on the amount of hippuric acid (HA) formed by the hydrolysis of Hippuryl-His-Leu (HHL) in spectrophotometry detection method (228 nm). The ultra chromatography evaluation showed that the protein hydrolysates of kidney bean contained higher hydrophobic amino acids (455.5 mg/g protein) compare to those of lima bean (350 mg/g protein). Protein hydrolysates of both beans from alcalase hydrolysis have higher ACE-1 inhibitory rather than those from flavourzyme. Protein hydrolysate from Phaseolus spp bean protein hydrolysis by alcalase, contain small molecular weight peptides (3.9-22.6 kDa) high ACE-1 inhibition ability (83 -88%), and therefore suggested as antihypertensive nutraceuticals. Highest solubility of protein hydrolysate resulted from alcalase hydrolysis of both beans were observed at pH 8-9, while those resulted from flavorzyme hydrolysis were at pH 7.
EVALUATION OF HARVEST AGE ON PHYSICOCHEMICAL PROPERTIES AND ANTIOXIDANT CAPACITY OF BUTTERNUT PUMPKIN FLOUR Siti Nurdjanah; Ika Mulawati; Tanto Pratondo Utomo; Fibra Nurainy
Jurnal Penelitian Pascapanen Pertanian Vol 18, No 3 (2021): Jurnal Penelitian Pascapanen Pertanian
Publisher : Balai Besar Penelitian dan Pengembangan Pascapanen Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpasca.v18n3.2021.121-130

Abstract

Processing pumpkins (Cucurbita moschata) is one alternative to prolong its shelf life and to provide flexibility in uses.. The aim of this research was to find the right harvest time to produce pumpkin flour with high yield and good quality. The experiment was designed using a complete randomized block design with 4 replications. The treatments included the harvest age of 15, 20, 25, and 30 days after fruit set (DAFS). The data obtained were processed using ANOVA, and continued tested using DMRT. The pumpkin with various maturity levels was analysed for starch, moisture, ash, lipid, protein and carotenoid contents. Yield, potential as antioxidant, granular shape and size were also determined The results indicate that pumpkin harvested at 25 DAFS produced high yield and good quality flour.
THE EFFECT OF CHICKEN FEET GELATIN TO CHARACTERISTIC OF JELLY CANDY Miskiyah Miskiyah; Juniawati Juniawati; Nur Afni Oktafia; Siti Chairiyah Batubara
Jurnal Penelitian Pascapanen Pertanian Vol 18, No 2 (2021): Jurnal Penelitian Pascapanen Pertanian
Publisher : Balai Besar Penelitian dan Pengembangan Pascapanen Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpasca.v18n2.2021.87-92

Abstract

Jelly candy is a soft textured candy processed with hydrocolloid components such as gum, pectin, agar, starch, carrageenan, gelatin. These are used to modify the chewy texture. This study aimed was to determine the effect of the combination of chicken feet gelatin and agar on the quality of jelly candy. Processing of chicken feet gelatin jelly candy based on Caeccar et.al (2018) method by modification. The study used a completely randomized design (CRD) with one factor, five levels and three replications. The factors studied were the ratio of chicken feet gelatin and agar 80:20; 60:40; 40:60; 20:80; 0:100. Product quality characteristics observed in this study were water content, ash content, reducing sugar content, sucrose content, and organoleptic quality. The results showed that the combination of chicken feet gelatine and agar were significantly affected water, ash, reducing sucrose content. Jelly candy with a treatment combination of 80% chicken feet gelatine and 20% agar was the best treatment. The results of the analysis of the candy were water content of 11.02± 0.04%, ash content of 0.89± 0.00%, reducing sugar content of 10.83± 0.01%, sucrose content of 50.68± 0.28%. The organoleptic test results showed that chicken feet gelatine improved the texture and taste of jelly candy.

Page 26 of 26 | Total Record : 258

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