Judul: Development of Effervescent Green Tea (Camellia sinensis var. sinensis ).
Abstrak: Green tea has high phenolic compound which gives good impact to body’s health, due to its high phenolic compound the taste is slightly bitter, which decrease consumer acceptance. To overcome this problem, effervescent tea was presented. Effervescent is the reaction of acid and base producing CO2 when dispersed in water resulting a fizzing mouthfeel which covering undesired taste and giving other advantages. Discovering the best formulation based on its physical, chemical and sensory properties to increase the consumer acceptance is the objectives of this research. The quality of green tea powder was analyzed, it had bulk density 0.60 ± 0.03 g/mL, solubility 76.82 ± 0.66 %, and color (L*, a*, b*) 64.28 ± 0.45; 2.05 ± 0.11; 27.24 ± 0.41. The TPC (Total Phenolic Content) and moisture content were 5.56 ± 0.06 (% w/w dry basis) and 1.84 ± 0.11 % (wb). The second study was determination of the best formulation, there were 16 formulas which were developed with mixture design technique. The components including stevia (2%) as fixed ingredient, green tea powder (Camellia sinensis var. sinensis) (15-40%), mixture of sodium bicarbonate and citric acid (50-65%) with ratio 1:1, maltodextrin (10-20%). Based on the physical, chemical, and sensory properties the best formula consists of 56% mixture citric acid and sodium bicarbonate, 29% green tea powder, and 15% maltodextrin. This formula then used to make the final product and its quality was determined. The hardness 115.80±4.96 N, color as 0Hue 86.46±0.09, effervescent time 183.33±2.08 second, for pH 5.65±0.01, moisture content 1.92±0.03% (wb) and TPC 2.34±0.058 (% w/w db). Consumer acceptance test was conducted with 100 participants with different background (gender, age, occupation, and education), the acceptability and buying intention were considered high (87% and 74% respectively). In conclusion this product has met the standard of effervescent product and finely accepted by consumer.
Keyword: Effervescent, Effervescent tea, Consumer acceptance, Green tea

Judul: Formulasi Teh Celup Campuran Teh Hijau (Camellia Sinensis)-Murbei (Morus Alba)–Stevia (Stevia Rebaudiana) serta Pengaruhnya Terhadap Aktivitas Antioksidan
Abstrak: Tea is one of the fuctional beverage which has been researched and developed for health benefits. Mixing of Green Tea (Camellia sinensis)-Mulberry (Morus alba)-Stevia (Stevia rebaudiana) into a tea bag has a potential as functional beverage due to phenolics compound which is known can act as antioxidant. The main objective of this research was to study the antioxidant effects of the mixing of green tea-mulberry-stevia tea bag formulation. Factor used in this study was the level of mulberry tea in green tea-mulberry-stevia mixing tea bag which were 13.33% (FA), 23.33% (FB), 33.33% (FC), 43.3% (FD), and 53.33% (FE). The data results showed that the total phenolic content of the five formulas were in the range of 528 to 1216 mg/100 g and the antioxidant were in the range of 563 to 670 mg/100g AEAC (Ascorbic Equivalent Antioxidant Capacity). The highest total phenol content and highest antioxidant was found in formula FA which contain 13.33% of mulberry tea. Analysis also showed that there is a positive correlation (p<0.05, r=0.902) between total phenolic content and antioxidant in green tea-mulberry-stevia mixing tea
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Judul: Peranan nyamuk sebagai vektor Dirofilaria immitis pada anjing
Abstrak: Dirofilaria immitis adalah cacing jantung yang hidup dalam ventrikel kanan dan arteri pulmonalis dari anjing; namun secara alamiah cacing ini dapat ditularkan kepada kucing, rubah dan karnivora yang lain. Cacing ini termasuk kelas Nematoda, famili Filariidae dan genus Dirofilaria, dengan bentuk tubuh langsing, berwarna putih dan daur hidupnya tidak langsung. Penyebarannya meliputi daerah beriklim sedang dan tropis seperti Timur Jauh, Pasifik, Afrika Utara dan Tengah, Australia serta Amerika Utara dan Selatan. Di Indonesia cacing ini jarang ditemukan. Nyamuk dari genus Anopheles, Culex, Aedes dan Mansonia merupakan vektor yang utama dari cacing jantung ini. Beberapa jenis pinjal seperti Ctenocephalides atau Pulex ternyata juga mampu menjadi vektor, meskipun kejadiannya jarang ditemukan. ...
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