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676.732  Articles
1 of 67.674 pages  |  10  records  |  more records»
A variable sample size (VSS) synthetic chart to monitor the coefficient of variation  is proposed in this paper to improve the performance of the existing synthetic  chart. A description of how the chart operates, as well as the formulae for var... see more

A variable sample size (VSS) synthetic chart to monitor the coefficient of variation  is proposed in this paper to improve the performance of the existing synthetic  chart. A description of how the chart operates, as well as the formulae for var... see more

Control charts for monitoring the coefficient of variation (CV) are attracting increasing attention in recent years. These charts are able to monitor processes with an unstable mean and/or standard deviation, but has a stable CV. Existing CV charts are de... see more

The variable sampling interval run sum (VSI RS) S chart that adopts two different sampling interval lengths on the run sum (RS) S chart is proposed. The Markov chain method is used to compute the optimal parameters that minimize the out-of-control zero st... see more


This paper proposes the economic-statistical design of the synthetic T2 chart. In this design, the optimal chart parameters are obtained by minimizing the expected cost function, subject to constraints on the in-control and out-of-control average run leng... see more

A control chart is a crucial statistical tool that is typically used to monitor a process, inan effort to reduce variation. It is necessary to practically evaluate the overall performanceof a control chart. Evaluation reveals the effciency of a control ch... 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
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1 of 67.674 pages  |  10  records  |  more records»