Judul: Inventarisasi dan Identifikasi Tungau Ektoparasit pada Cicak di Perumahan dan Pasar Kota Tangerang
Abstrak: Every organism interacts with each other such as parasitic mites often find in the gecko (Family: Gekkonidae). Ectoparasite mites can spread in the geckos through sexsual contact and other physical interactions among the geckos.This research were aimed to invent, identify and explore the differences in infestation intensity of ectoparasite mites in gecko collected from the residential and traditional market in the Tangerang City. Geckos sampling were conducted in residentials (Ciledug and Karang Tengah District) and traditional markets (Ciledug and Pinang District) by using road sampling method. Geckos were preserved in alcohol 70%. Ectoparasites mites were taken from the head, ears, armpits, body trunk, groin, tail, fore and hind fingers of the geckos. Mites slides preparation were made with whole mount methode using polivinil alkohol (PVA) media and dried on hot plate for one week at 40oC. The result showed that geckos from residential areas were identified as Cosymbotus platyurus, Hemidactylus frenatus, H. garnotii and Gehyra mutilata, while the geckos from the market were identified as C. platyurus, and H. garnotii. The mites were classified to the Pterygosomatidae Family, Genus Geckobia, namely Geckobia sp 4, Geckobia sp 5, Geckobia sp 6, Geckobia sp 7, Geckobia sp 8, Geckobia sp 9, Geckobia sp 10, and those mites are found to be new species based on the current mites key identification. Geckos from traditional markets showed more infested by the mites than those from the residentials. Geckos H. garnotii had the highest prevalence (100%) both in residentials and markets. The highest total intensity was also found in geckos H. garnotii, those were 17,8 and 15,9 in the residential and in the market, respectively
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Judul: Beberapa species cicak dan tokek, Famili gekkonidae di wilayah Pandeglang dan Bandung
Abstrak: Spesies cicak dan tokek merupakan anggota famili Gekkonidae yang hidup di daerah tropis dengan jumlah yang cukup besar, yaitu sekitar 75 spesies. Penelitian ini bertujuan untuk mengetahui kekayaan spesies dan distribusi habitat dan famili Gekkonidae di wilayah Pandeglang dan Bandung. Penelitian ini dilakukan mulai Februari sampai Agustus 2005. Sampel ditangkap di empat lokasi untuk masing-masing wilayah. Dari 108 cicak dan tokek yang berhasil ditangkap, dapat diklasifikasikan menjadi lima spesies, yaitu Hemidactylus frenatus, Hemidactylus garnotii, Cosymbatus platyurus, Gehyra mutilata dan Gecko gecko. Hemidactylus garnotii hanya ditemukan di Pandeglang. Dalam kurun waktu 40 tahun jumlah spesies cicak di Bandung stabil.
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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