Judul: Pengaruh Iradiasi Terhadap Nilai Aktivitas Antioksidan dan Umur Simpan Teh Celup Camellia-Murbei-Stevia
Abstrak: Camellia-Mulberry-Stevia tea is one type of instant bag tea composed by green tea, mulberry leaf, and stevia. The purpose of this study was to determine the effects of storage on the quality of tea bags as well as to determine the shelf life of Camellia-Mulberry-Stevia mixed tea. The research was carried out in several stages, which were the determination of radiation dose, storage, organoleptic products, chemical analysis, and calculationof the shelf life. Based on the analysis, the product has antioxidant activity value of 414-425 mg/100 g AEAC and total microbes as much as 788-3000 colonies/gram sample. The product shelf life was 8345 days (23 years) and 8254 days (23 years) in metalized packaging, 175 days (6 months) and 173 days (6 months) in plastic packaging, and 8-7 days in paperboard packaging.
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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: Kontraksi pola graf klausa Bahasa Indonesia menggunakan metode knowledge graph
Abstrak: Knowledge graph is a new method of knowledge representation. In principle, knowledge graph consists of concept and relationship. There are already rules of constructing wordgraphs of noun, verb, adverb, adjective, preposition, and phrase. However to be able to represent the meaning of Indonesian text we still need other rules to represent clause and sentence. This research is mainly focused on constructing a subordinative clause graph and building rules of subordinative clause graph formation. In this research, subordinative clause is classified by analyzing the subordinative relationship (time, condition, if-relation, purpose, consessive, resemblace, because-relation, result, way-relation, tool-relation, complementation, attributive, equative, and comparative) and the structure of clause (the combination of subject, predicate, object, complement, and description). After the result of constructing subordinative clause graph is analyzed and formulated, the subordinative clauses are classified based on the same conjunction graph pattern and clause structure graph pattern, and we get 13 conjunction graph patterns and 48 clause structure graph patterns for subordinative clause in Indonesian.
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