Estudo da afinidade da melanina pelo ion Fe(III) [PDF]
TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Curso de Química.Melanina é um pigmento escuro formado pela oligomerização de moléculas, com grupos majoritários catecol e quinone-imina, provenientes da ...
Costa, Thiago Guimarães
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Desenvolvimento de uma metodologia para a identificaçao de metabolitos durante o desenvolvimento do frutos de café [PDF]
O gênero Coffea pertence à família Rubiaceae e compreende aproximadamente 100 espécies. A maioria do café comercialmente disponível consiste de grãos produzidos pelas espécies C. arabica e C. canephora.
Afonso Junior, P.C. (ed.) +10 more
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Aktivitas Antioksidan Pada Enam Jenis Tumbuhan Sterculiaceae [PDF]
Banyak jenis tanaman dari famili Sterculiaceae telah dikenal pemanfaatannya sebagai obat tradisional. Sembilan ekstrak daun, kulit batang dan biji tanaman dari enam jenis Sterculiaceae diteliti dan dievaluasi aktivitas antioksidannya. Penentuan aktivitas
Chairul, C. (Chairul) +2 more
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Seaweeds are marine macro algae that can be found attach to the bottom shallow coastal waters. There are three major groups of seaweeds namely brown algae (Phaeophyta), red (Rhodophyta) and green (Chlorophyta). Padina australis is one of brown algae which mostly found in the West-South of Aceh coastal Area.
Mohamad Gazali +2 more
openaire +1 more source
Description of Leukocytes Pangasius Hypophthalmus Which is Fed with Extracts of Mangrove Leaf (Rhizophora Apiculata) and Maintained in the Cages [PDF]
Daun bakau (Rhizophora apiculata) mengandung senyawa flavonoid, steroid, saponin, dan tannin yang berfungsi sebagai antimikrobial dan dapat meningkatkan kesehatan ikan. Penelitian ini telah dilaksanakan pada bulan Agustus sampai dengan bulan Oktober 2019.
Lukistyowati, I. (Iesje) +2 more
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Studies on the antioxidant activity of various plants growing in Indonesia have been widely conducted, however, information relating to testing its activity as an anti-tyrosinase and its formulation in cosmetic preparations is still limited. This literature review explores the use of plants with antioxidant and anti-tyrosinase activity and their ...
Resina Hajar, Fikri Alatas
openaire +1 more source
Potensi Penghambatan Enzim Tirosinase dengan Ekstrak Etanol Daun Kopasanda (Chromolaena Odorata L.)
The need for skin care is increasing. One indicator of skin health is the brightness of skin color. Tyrosinase enzyme can darken skin color due to its activity against melanin biosynthesis. Skin color will also change when exposed to UV rays, even at a more severe level can cause cancer.
Astuti Amin +3 more
openaire +1 more source
Pemeriksaan Kadar Merkuri Dan Keluhan Kesehatan Dalam Darah Wanita Pemakai Krim Pemutih Dengan Metoda Inductively Coupled Plasma [PDF]
Whitening cream is a mixture of chemicals or other materials that serve to lighten skin or fade black spots on the skin. Bleaching creams that contain mercury is very harmful for health. The purpose of this study is to examine and establish the levels of
Mayaserli, D. P. (Dyna) +1 more
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Perubahan Aktivitas Mengkelat Logam Ekstrak Etanol Ubi Jalar Ungu Terhadap Pengaruh Sinar Uv-b [PDF]
Ubi jalar ungu terbukti memiliki aktivitas antioksidan melalui mekanisme mengkelat logam. Aktivitas mengkelat senyawa antioksidan pada ubi jalar ungu dapat berubah oleh beberapa faktor lingkungan salah satunya yaitu paparan sinar UV-B. Paparan sinar UV-B
A, P. I. (Prasetia) +5 more
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Pertumbuhan Planlet Stroberi (Fragaria Ananassa D) Var. Dorit pada Beberapa Variasi Media Modifikasi In Vitro di Balai Penelitian Jeruk dan Buah Subtropika (BALITJESTRO [PDF]
Stroberi (Vragaria ananassa Dutch) Var. Dorit merupakan buah yang populer di masyarakat dunia dengan ciri khas rasa buahnya yang asam manis dan segar.
Agustina, E. (Eva) +2 more
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