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8.963  Articles
1 of 897 pages  |  10  records  |  more records»
High dropout rates have been an unsolved issue in massive open online courses (MOOCs). As perceived effectiveness predicts learner retention in MOOCs, instructional design factors that affect it have been increasingly examined. However, self-regulated lea... see more

This study examines the relationships between self-efficacy, task value, and the use of self-regulated learning strategies by massive open online course (MOOC) learners from a social cognitive perspective. A total of 184 participants who enrolled in two M... see more

KAROTENOID DARI MAKROALGAE DAN MIKROALGAE: POTENSI KESEHATAN APLIKASI DAN BIOTEKNOLOGI [Carotenoids from Macroalgae and Microalgae: Health Potential, Application and Biotechnology] Helly de Fretes1)*, AB. Susanto2), Budhi Prasetyo1) dan Leenawaty Limantara3) 1) Magister Biologi, Universitas Kristen Satya Wacana, Salatiga 2) Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro, Tembalang, Semarang 3) Ma Chung Research Center for Photosynthetic Pigments, Universitas Ma Chung, Malang   Diterima 13 Desember 2011 / Disetujui 24 Mei 2012 SUMMARY   Algae, both micro and macroalgae, is one of the largest producers of carotenoids. The major composition of carotenoid on algae are ß-carotene, astaxanthin, luthein, zeaxanthin, cryptoxanthin, and fucoxanthin which have important roles for human health. Carotenoids were produced by several microalgae species such as Dunaliella sallina, Haemotococcus pluvialis, Chlorella pyrenoidosa, Spirulina platensis, Nannnochloropsis oculata, and also from some macroalgae species such as Kappaphycus alvarezii, Sargassum sp, and Caulerpa sp. Carotenoids from algae has been proven as a powerful antioxidant and may prevent some degenerative diseases, cardiovascular, and cancer. Carotenoid also has been applied as a natural dye and dietary supplements. Biotechnology has been developed to increase the production of carotenoids from micro- and macroalgae. The large-scale cultivation of microalgae, either in open or closed system are shown to increase carotenoid production. During cultivation, some stress conditions can be specifically manipulated to optimize carotenoid production from microalgae.   Keywords: application, biotechnology, carotenoid, macroalgae, microalgae SUMMARY   Algae, baik mikro maupun makroalgae, merupakan salah satu penghasil karotenoid terbesar. Komposisi karotenoid penting yang dikandung oleh mikroalgae dan makroalgae terdiri dari ß-karoten, astaxantin, lutein, zeaxantin, kriptoxantin, serta fukoxantin.Seluruhnya memiliki peranan bagi kesehatan manusia. Karotenoid-karotenoid tersebut diproduksi oleh beberapa spesies mikroalga yaitu Dunaliella sallina, Haemotococcus pluvialis, Chlorella pyrenoidosa, Anthrospira platensis, serta Nannnochloropsis oculata, dan juga beberapa spesies makroalga seperti Kappaphycus alvarezii, Sargassum sp, dan Caulerpa sp. Karotenoid dari algae telah terbukti sebagai antioksidan yang kuat serta dapat mencegah beberapa penyakit degeneratif, kardiovaskular, dan kanker. Karotenoid juga telah diaplikasikan sebagai pewarna dan suplemen makanan. Bioteknologi telah dikembangkan dalam rangkai peningkatan produksi karotenoid dari mikroalgae dan makroalgae. Selama kultivasi, beberapa kondisi stres dapat dimanipulasi secara khusus untuk mengoptimalkan produksi karotenoid dari mikroalgae.   Kata kunci: aplikasi, bioteknologi, karotenoid, makroalgae, mikroalgae

KAROTENOID DARI MAKROALGAE DAN MIKROALGAE: POTENSI KESEHATAN APLIKASI DAN BIOTEKNOLOGI [Carotenoids from Macroalgae and Microalgae: Health Potential, Application and Biotechnology] Helly de Fretes1)*, AB. Susanto2), Budhi Prasetyo1) dan Leenawaty Limantar... see more
KAROTENOID DARI MAKROALGAE DAN MIKROALGAE: POTENSI KESEHATAN APLIKASI DAN BIOTEKNOLOGI [Carotenoids from Macroalgae and Microalgae: Health Potential |  Application and Biotechnology] Helly de Fretes1)* |  AB. Susanto2) |  Budhi Prasetyo1) dan Leenawaty Limantara3) 1) Magister Biologi |  Universitas Kristen Satya Wacana |  Salatiga 2) Fakultas Perikanan dan Ilmu Kelautan |  Universitas Diponegoro |  Tembalang |  Semarang 3) Ma Chung Research Center for Photosynthetic Pigments |  Universitas Ma Chung |  Malang   |  Diterima 13 Desember 2011 / Disetujui 24 Mei 2012 SUMMARY   |  Algae |  both micro and macroalgae |  is one of the largest producers of carotenoids. The major composition of carotenoid on algae are ß-carotene |  astaxanthin |  luthein |  zeaxanthin |  cryptoxanthin |  and fucoxanthin which have important roles for human health. Carotenoids were produced by several microalgae species such as Dunaliella sallina |  Haemotococcus pluvialis |  Chlorella pyrenoidosa |  Spirulina platensis |  Nannnochloropsis oculata |  and also from some macroalgae species such as Kappaphycus alvarezii |  Sargassum sp |  and Caulerpa sp. Carotenoids from algae has been proven as a powerful antioxidant and may prevent some degenerative diseases |  cardiovascular |  and cancer. Carotenoid also has been applied as a natural dye and dietary supplements. Biotechnology has been developed to increase the production of carotenoids from micro- and macroalgae. The large-scale cultivation of microalgae |  either in open or closed system are shown to increase carotenoid production. During cultivation |  some stress conditions can be specifically manipulated to optimize carotenoid production from microalgae.   |  Keywords: application |  biotechnology |  carotenoid |  macroalgae |  microalgae SUMMARY   |  Algae |  baik mikro maupun makroalgae |  merupakan salah satu penghasil karotenoid terbesar. Komposisi karotenoid penting yang dikandung oleh mikroalgae dan makroalgae terdiri dari ß-karoten |  astaxantin |  lutein |  zeaxantin |  kriptoxantin |  serta fukoxantin.Seluruhnya memiliki peranan bagi kesehatan manusia. Karotenoid-karotenoid tersebut diproduksi oleh beberapa spesies mikroalga yaitu Dunaliella sallina |  Haemotococcus pluvialis |  Chlorella pyrenoidosa |  Anthrospira platensis |  serta Nannnochloropsis oculata |  dan juga beberapa spesies makroalga seperti Kappaphycus alvarezii |  Sargassum sp |  dan Caulerpa sp. Karotenoid dari algae telah terbukti sebagai antioksidan yang kuat serta dapat mencegah beberapa penyakit degeneratif |  kardiovaskular |  dan kanker. Karotenoid juga telah diaplikasikan sebagai pewarna dan suplemen makanan. Bioteknologi telah dikembangkan dalam rangkai peningkatan produksi karotenoid dari mikroalgae dan makroalgae. Selama kultivasi |  beberapa kondisi stres dapat dimanipulasi secara khusus untuk mengoptimalkan produksi karotenoid dari mikroalgae.   |  Kata kunci: aplikasi |  bioteknologi |  karotenoid |  makroalgae |  mikroalgae
Cara mengonsumsi informasi masyarakat Indonesia kini telah bergeser dari media massa konvensional menjadi media siber atau daring. Hal ini dikarenakan kemudahan akses yang didapatkan dari media tersebut. Dampaknya, informasi dapat menyebar luas secara cep... see more

"Phytochemical screening of Three Batak Leeks (A. chinense G. Don) Varians  " has been carried out. For phytochemical screening, secondary metabolites were analyzed, including alkaloids, phenolics, flavonoids, terpenoids, steroids and sapon... see more

Em seu livro, The End of Progress, Amy Allen parte da crítica ao eurocentrismo formulada pela teoria pós-colonial e busca demonstrar como os principais pensadores da terceira geração da Escola de Frankfurt contam com noções substantivas de progresso histó... see more

Kokang (L. amoena (Hassk) Leenh.) merupakan tanaman lokal Kalimantan Timur dan digunakan sebagai alternatif pengobatan oleh suku dayak untuk mengatasi berbagai masalah kulit, diantaranya menghilangkan noda hitam di wajah, menyembuhkan bekas luka cacar, be... see more

A temática deste artigo surgiu a partir da repercussão mundial que teve o assassinato do afro-americano George Floyd cometido por policiais brancos em Minneapolis (Estados Unidos), no contexto da pandemia do COVID-19 de 2020. O seu objetivo é analisar a v... see more

The study was conducted with the aim of analyzing and discussing the use of language in the text of the news discourse on the liputan6.com page on the dissolution of the BSNP (National Education Standards Agency) which was published on September 3, 2021 u... see more

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