Judul: Kelimpahan dan Penyebaran dua puluh Spesies Kupu- kupu pada Habitat yang Berbeda di Taman Wisata Alam Gua Pattunuang dan Taman Wisata Alam Bantimurung, Kabupaten Maros, Sulawesi Selatan
Abstrak: Kupu-kupu merupakan salah satu jenis serangga yang kelangsungan hidupnya sangat tergantung dengan tersedianya tumbuhan sebagai sumber pakan dan sebagai pelindung. Kupu-kupu memiliki potensi nilai komersil yang cukup tinggi, sehingga hanyak dilninari orang untuk ditangkap dan dijadikan koleksi atau dikomersilkan kepada wisatawan. Dengan adanya aktivitas manusia yang menangkap kupu-kupu secara liar, secara langsung atau tidak akan memsak habitat dan perkembangan populasi kupu-kupu. Berdasarkan fakta tersebut, untuk mempertahankan keanekaragaman kupu-kupu di hutan Bantimurung, maka perlu dilakukan berbagai penelitian yang detail mengenai keragaman spesies, habitat, pola sebaran, dan kelimpahan satwa tersebut untuk digunakan sebagai dasar pengelolaannya
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Judul: Keanekaragaman Jenis Kupu-kupu pada Beberapa Tipe Habitat di Pondok Ambung Taman Nasional Tanjung Puting Kalimantan Tengah
Abstrak: Tanjung Puting National Park, has megabiodiversity which still unexplorated all of them. Butterflies as part of biodiversity which still unexplorated, has important role as pollinator and with it’s wonderful colored wings has high value economically. Purposes of this study are to identified species diversity of butterflies in several habitat types and to analyze species richness, species diversity, evenness, and similarity of butterflies in every habitat types and to analyze correlation between habitat characteristics and species diversity of butterflies includes species richness, species diversity, and evenness of butterflies. This study conducted for two months from July to August 2009 in Pondok Ambung, Tanjung Puting National Park, Central Kalimantan, which located in eight different types of habitats included lowland forest, swamp forest, peat swamp forest, kerangas (dry-land habitat), grassland, burned forest, Camp Ambung, and nursery camp. The method used is by transect method in length 500 m, one transect for every habitat types, by method of sweeping and trapping used rambutans and watermelon as trap bait. Data collected were butterflies species, individuals per species, habitat characteristics included structure, composition, types of vegetation and physics and biotic component of habitat. Data analysis included species richness, species diversity, evenness, similarity coefficient, vegetation analysis, and correlation analysis between habitat characteristics and butterflies diversity. During the study, a total of 76 butterflies species were recorded included family of Papilionidae (11 species), Pieridae (6 species), Nymphalidae (43 species), Lycaenidae (14 species), and Hesperiidae (2 species). Species number for every type of habitat founded lowland forest 33 species, swamp forest 24 species, peat swamp forest 13 species, kerangas (dry-land habitat) 20 species, grassland 11 species, burned forest 27 species, Camp Ambung 37 species, and nursery camp 32 species. The highest for species richness is Camp Ambung and the lowest is grassland area. For species diversity the highest is lowland forest and the lowest is grassland. Types of habitat with low scale for evenness are grassland and burned forest. Types of habitat with highest scale for similarity are between Camp Ambung and nursery camp and the lowest are between peat swamp forest and grassland. There is founded a relation between habitat condition and butterflies diversity which depend on temperature and relative humidity, open area, water source, and vegetation as food plant, shelter, and cover for butterflies.
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Judul: Development of Potentially Functional Drink from Skimmed Milk Enriched with Red or Black Variety Rice Bran
Abstrak: Rice bran is a good source of antioxidants such as polyphenol compounds that are potentially formulated in skimmed milk drink. The objectives of this research were to develop potentially functional drink from skimmed milk enriched with red or black variety rice bran and to evaluate their physical, chemical and sensory qualities. The milk drinks were formulated with skimmed milk (95%) and sucrose (5%) as fixed formula. Considering the result of preliminary research, the addition of red or black variety rice bran at amount of 4, 6, 8% (w/w) and carboxy methyl cellulose (CMC) at amount of 0, 0.05, 0.1% (w/w) were based on fixed formula and water addition in ratio 4:1 (w/w) of water weight and total weight of skimmed milk powder, sucrose, rice bran, and CMC. The milk drink formula was selected based on total phenolic content (TPC), total anthocyanin content (TAC) and its antioxidant activities using DPPH and FRAP assay. Two selected formulas were characterized in terms of physical properties (viscosity and colour), chemical properties (pH, total soluble solid, and proximate), and sensory evaluation by rating hedonic. Red and black variety rice bran had high TPC with amount 512.19±43.91 and 1247.56±196.34 mg GAE/100 g, TAC with amount 1.94±0.19 and 40.69±4.21 mg C-3-G/100 g, respectively. Red and black variety rice bran also showed antioxidant activity based on DPPH assay (106.68±13.49 and 209.93±19.75 mmol Trolox/100 g, respectively) and FRAP assay (8.04±0.39 and 14.66±0.56 mmol FeSO4/100 g, respectively). The milk drink enriched with red variety rice bran, the highest content of TPC (33.83±1.00 mg GAE/100 mL), TAC (1.86±0.32 mg C-3-G/L), and antioxidant activities of DPPH (83.38±1.37 mmol Trolox/100 mL) and FRAP (0.43±0.01 mmol FeSO4/100 mL) by addition of 8% red variety rice bran and 0.05% CMC. The milk drink enriched with 8% black variety rice bran and 0.1% CMC showed the highest values in TPC (39.61±0.11 mg GAE/100 mL), DPPH (196.22±3.77 mmol Trolox/100 mL), FRAP (0.63±0.07 mmol FeSO4/ 100 mL) and TAC (5.53±0.03 mg C-3-G/L). Furthermore, the proximate analysis showed that the selected drinks had low fat content and high fiber content. Both milk drinks also were moderately liked on overall liking attribute. Based on its TPC, TAC and antioxidant activities, these milk drinks enriched with black and red variety rice bran are potentially developed as functional drinks.
Keyword: antioxidant activity, black and red variety rice bran, functional milk drink, skimmed milk