BibTex Citation Data :
@article{BULOMA49006, author = {Rose Dewi and Tjahjo Winanto and Florensius Eko Dwi Haryono and Bintang Marhaeni and Ghina Hanifa and Dhia Nabila and Deny Muis and Syifa Khalisa}, title = {Potensi Klorofil dan Karotenoid Fitoplankton Dunaliella salina sebagai Sumber Antioksidan}, journal = {Buletin Oseanografi Marina}, volume = {12}, number = {1}, year = {2023}, keywords = {Fitoplankton, Dunaliella salina, Intensitas cahaya, Klorofil (a,b), Karotenoid}, abstract = { Dunaliella salina merupakan fitoplankton Chlorophyta yang potensial dikembangkan sebagai pakan alami, memiliki kandungan pigmen fotosintetik untuk merespon intensitas cahaya dalam proses fotosintesis yakni k lorofil dan karotenoid . Salah satu pemanfaatan pigmen fotosintetik sebagai sumber antioksidan . Sejauh ini Pembudidaya ikan menggunakan pakan buatan maupun antioksidan sintestis dalam jumlah tinggi. Kajian ini diharapkan mampu meminimalisir penggunaan antioksidan sintetis dengan pemanfaatan pigmen fotosintetik. D. salina memiliki kemampuan mengakumulasi sejumlah pigmen fotosintetik dalam jumlah tinggi pada kondisi terstimulasi , salah satunya adanya intensitas cahaya tinggi. Penelitian ini bertujuan untuk mengetahui intensitas cahaya yang dapat direspon pigmen fotosintetik secara optimal . Kajian menggunakan metode eksperimental dengan variasi intensitas cahaya 500 lux (A) ; 1029 lux ( B ) ; 2000 lux (C) . D. salina dikult ur pada media walne 1L ( 3x ulangan ) tiap perlakuan . K onsentrasi pig me n fotosintetik klorofil a , b dan karotenoid ( mg/m 3 ) diukur menggunakan spektrofotometer UV-Vis pada absorbansi 470, 652 dan 665 nm . Hasil menunjukkan optimalitas konsentrasi klorofil a ( 0,049±0,015 )mg/m 3 , klorofil b ( 0,055 ±0,025 ) mg/m 3 dan k arotenoid ( 0,178±0,122 ) mg/m 3 pada intensitas cahaya tinggi ( 20 00 lux). Hal ini membuktikan intensitas cahaya tinggi menyebabkan kondisi terstimulasi , yang menyebabkan D. Salina mengakumulasi sejumlah pigmen fotosintetik dalam jumlah tinggi. D.salina mampu berstrategi mentoleransi intensitas cahaya tinggi hingga ambang batas tertentu untuk mencapai optimalisasi pigmen, pembentukan produk fotosintesis serta menghasilkan s enyawa antioksidan . Dunaliella salina is a Chlorophyta phytoplankton that has the potential to be developed as natural food, containing photosynthetic pigments to respond to light intensity in the photosynthesis process that is chlorophyll and carotenoids. One of the utilization of photosynthetic pigments as a source of antioxidants. So far, many fish cultivators use artificial feed and synthetic antioxidants. This research is expected to minimize the use of synthetic antioxidants by using photosynthetic pigments. D. salina has the ability to accumulate high amounts of photosynthetic pigments under stimulated conditions, one of which is the presence of high light intensity. This study aims to determine the optimal light intensity that can be responded by photosynthetic pigments. The study used an experimental method with variations in light intensity of 500 lux(A); 1029lux(B); 2000 lux(C). D. salina was cultured on 1L Walne medium (3x replicates) for each treatment. The concentrations of photosynthetic pigments chlorophyll a, b and carotenoids (mg/m 3 ) were measured using a UV-Vis spectrophotometer at absorbances of 470, 652 and 665 nm. The results showed that the optimal concentration of chlorophyll a (0.049±0.015) mg/m 3 , chlorophyll b (0.055±0.025) mg/m 3 and carotenoids (0.178±0.122) mg/m 3 at high light intensity (2000 lux). This proves that high light intensity causes a stimulated condition, which causes D. Salina to accumulate high amounts of photosynthetic pigments. D.salina is able to tolerate strategies of high light intensity up to a certain threshold to achieve pigment optimization, formation of photosynthetic products and produce antioxidant compounds. }, issn = {2550-0015}, pages = {125--132} doi = {10.14710/buloma.v12i1.49006}, url = {https://ejournal.undip.ac.id/index.php/buloma/article/view/49006} }
Refworks Citation Data :
Dunaliella salina merupakanfitoplankton Chlorophytayang potensial dikembangkan sebagai pakan alami, memiliki kandungan pigmen fotosintetikuntuk merespon intensitas cahaya dalam proses fotosintesisyakni klorofil dan karotenoid. Salah satu pemanfaatan pigmen fotosintetiksebagai sumber antioksidan. Sejauhini Pembudidaya ikan menggunakanpakan buatan maupun antioksidan sintestis dalam jumlah tinggi. Kajian ini diharapkan mampu meminimalisir penggunaan antioksidan sintetis dengan pemanfaatan pigmen fotosintetik. D. salina memiliki kemampuanmengakumulasi sejumlah pigmen fotosintetik dalam jumlah tinggi padakondisi terstimulasi, salah satunya adanya intensitas cahaya tinggi.Penelitian ini bertujuan untuk mengetahui intensitas cahaya yang dapat diresponpigmen fotosintetik secara optimal. Kajian menggunakanmetode eksperimental dengan variasiintensitas cahaya 500 lux(A);1029 lux(B); 2000 lux(C). D. salina dikulturpada media walne 1L (3x ulangan)tiap perlakuan. Konsentrasi pigmen fotosintetik klorofil a, b dan karotenoid (mg/m3)diukur menggunakan spektrofotometer UV-Vis pada absorbansi 470, 652 dan 665 nm. Hasil menunjukkan optimalitas konsentrasi klorofil a (0,049±0,015)mg/m3, klorofil b (0,055±0,025) mg/m3 dan karotenoid (0,178±0,122) mg/m3 pada intensitas cahaya tinggi (2000 lux). Hal ini membuktikanintensitas cahaya tinggi menyebabkan kondisi terstimulasi, yangmenyebabkanD.Salinamengakumulasi sejumlah pigmen fotosintetik dalam jumlah tinggi. D.salinamampu berstrategi mentoleransi intensitas cahaya tinggi hingga ambang batas tertentuuntuk mencapai optimalisasi pigmen, pembentukan produk fotosintesisserta menghasilkansenyawa antioksidan.
Dunaliella salina is a Chlorophyta phytoplankton that has the potential to be developed as natural food, containing photosynthetic pigments to respond to light intensity in the photosynthesis process that is chlorophyll and carotenoids. One of the utilization of photosynthetic pigments as a source of antioxidants. So far, many fish cultivators use artificial feed and synthetic antioxidants. This research is expected to minimize the use of synthetic antioxidants by using photosynthetic pigments. D. salina has the ability to accumulate high amounts of photosynthetic pigments under stimulated conditions, one of which is the presence of high light intensity. This study aims to determine the optimal light intensity that can be responded by photosynthetic pigments. The study used an experimental method with variations in light intensity of 500 lux(A); 1029lux(B); 2000 lux(C). D. salina was cultured on 1L Walne medium (3x replicates) for each treatment. The concentrations of photosynthetic pigments chlorophyll a, b and carotenoids (mg/m3) were measured using a UV-Vis spectrophotometer at absorbances of 470, 652 and 665 nm. The results showed that the optimal concentration of chlorophyll a (0.049±0.015) mg/m3, chlorophyll b (0.055±0.025) mg/m3 and carotenoids (0.178±0.122) mg/m3 at high light intensity (2000 lux). This proves that high light intensity causes a stimulated condition, which causes D. Salina to accumulate high amounts of photosynthetic pigments. D.salina is able to tolerate strategies of high light intensity up to a certain threshold to achieve pigment optimization, formation of photosynthetic products and produce antioxidant compounds.
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