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Andree Wijaya Setiawan
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AGRIC
Published by Universitas Kristen Satya Wacana
ISSN : 08549028     EISSN : 25499343     DOI : https://doi.org/10.24246/agric.2023.v35.i1
Core Subject : Economy, Science, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Social Sciences
AGRIC Journal of Agricultural Science is a peer-reviewed and published two times a year by Agriculture and Business Faculty of Universitas Kristen Satya Wacana. Agric journal publishes original articles on agronomy, horticulture, plant breeding, plant science, pest or diseases of plant, agriculture and food processing, food science, microbiology, biotechnology, agribusiness.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 12 Documents
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Search results for , issue "Vol. 34 No. 1 (2022)" : 12 Documents clear
PROTECTIONISM OR SUSTAINABILITY? QUESTIONING EUROPEAN INTENTION ON PALM OIL BAN USING TIME SERIES DATA Jean Richard Jokhu
Agric Vol. 34 No. 1 (2022)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2022.v34.i1.p105-114

Abstract

Palm oil is Indonesia’s competitive advantage in the international commodity market. Various derivative products are produced by palm oil. However, the European policy banning palm oil exports has become an obstacle to Indonesia’s palm oil export performance. Environmental issues are the reason for the ban on imports of Indonesian palm oil. However, in this research, we try to extend the view of sustainable issues. This study uses Indonesian palm oil exports and the European rapeseed oil trade to explain this issue. In this study, we try to explain a pure European policy of sustainability or protectionism. Based on the analysis results, it was found that this policy was strongly influenced by exports and production of European rapeseed oil. The effect of rapeseed oil production on palm oil imports proves that this policy has an element of protectionism to protect European rapeseed plants
LYCOPENE CONTENT IN SEVERAL AGES OF TOMATO CALLUS (Lycopersiconesculentum Mill. cv. Rampai) Yohanes Alvin Goenawan; Katherine Krisyanti Khodjojo; Popy Hartatie Hardjo; Maria Goretti Marianti Purwanto
Agric Vol. 34 No. 1 (2022)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2022.v34.i1.p89-104

Abstract

Tomato (Lycopersiconesculentum Mill. cv. Rampai) is rich in lycopene, a carotenoid group compound with many biological activities, one of which is as an antioxidant. Conventional tomato cultivation is not optimal due to the susceptibility of tomato plants to pests and diseases, even though the need for lycopene continues to increase. Plant tissue culture method can be one solution for lycopene production. Callus tomato cv. Rampai was initiated from cotyledons on MS medium (Murashige& Skoog) with the addition of 1 ppm BA (benzyladenine) and 1.5 ppm IAA (indole-3-acetic acid). Callus aged one week to four weeks were harvested and lycopene was extracted by maceration method using hexane:acetone (9:1) as solvent. The presence of lycopene in callus was confirmed by TLC (thin-layer chromatography) (retention factor value/Rf = 0.56) and UV-Vis spectrophotometry (wavelength that gives maximum absorbance = 472 nm). Lycopene content in tomato callus increased with increasing callus age and was directly proportional to the callus growth index. The highest lycopene level was found in callus aged 4 weeks, which was 0.3094 mg/100 g dry weight callus.

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