Judul: The effect of tapioca starch modified with green tea and red guava leaf polyphenols on normal and diabetic rats
Abstrak: The aim of this research was to develop low digestibility starch made from tapioca (Manihot utilisima) modified with polyphenol extracts of green tea and guava leaves which are useful for reducing the risk of diabetes mellitus. Ration containing of tapioca starch modified with 4% green tea and 4% guava leaf extracts were fed to streptozotocin induced diabetic Sprague dawley rats. After 35 days of experiment, the blood glucose level, blood lipid profile, liver antioxidant activity and pancreatic Langerhans islets were assayed. The result showed that the tapioca starch modified with 4% green tea and 4% guava leaf extract diets could lower blood sugar levels in diabetic rats and increase the population of beta cells of pancreatic islets. The rations did not influence the serum lipid profile and liver antioxidant activity of the rats.
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Judul: Antihyperglycemic activities of functional drink based on java tea (Orthosiphon aristatus BI. Miq) in streptozotocin induced diabetic mice
Abstrak: Diabetes is a group of diseases marked by high levels of blood glucose resulting from defects in insulin production, insulin action, or both. Diabetes can lead to serious complications and premature death. Antioxidant compounds in functional drinks such as flavonoid may offer some protection against the early stage of diabetic mellitus and the development of complications. The objective of this study was to investigate the antihyperglycemic effects of functional drinks based on java tea with different variety of java tea (white and purple flowers) and addition ginger extract in functional drink formulas on streptozotocin induced diabetic mice. These results indicated that the administration of functional drinks thats added java tea with white flowers and ginger extracts in diabetic mice can inhibit a more stable the increasing of blood glucose level and its can inhibited the rate of pancreatic beta cells damage. TLC profile and HPLC analysis show that the bioactive compounds in the extract ingredient are sinensetin, 6-gingerol, 8-gingerol, 10-gingerol, 6-shogaol, curcumin, desmethoxycurcumin, brazilin, hesperidin and naringin.
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Judul: Rekonstruksi Persamaan Pauli dan Representasi Kuantum Entanglement Berdasarkan Interpretasi Kuantum Budiyono-Rohrlich.
Abstrak: Mekanika kuantum merupakan teori fundamental yang telah memberikan kontribusi besar dalam perkembangan sains dan teknologi hingga saat ini. Namun masih banyak masalah fundamental terkait realita fisis postulat-postulat dan perumusan mekanika kuantum yang menimbulkan pertanyaan. Hal tersebut mengakibatkan banyak perdebatan dan interpretasi yang berbeda mengenai fundamental teori mekanika kuantum. Salah satu interpretasi mekanika kuantum yang menggunakan dasar mekanika statistik klasik adalah interpretasi Budiyono-Rohrlich (BR). Interpretasi kuantum BR merupakan interpretasi mekanika statistik klasik yang menggunakan aksioma ontic extension dan epistemic restriction serta memuat tiga teorema untuk menjelaskan kuantum entanglement, prinsip ketidakpastian Heisenberg dan merekonstruksi persamaan Schrodinger. Namun, interpretasi kuantum BR belum melibatkan spin dalam perumusannya. Persamaan Schrodinger yang melibatkan interaksi elektromagnetik dan keadaan spin disebut sebagai persamaan Schrodinger-Pauli atau persamaan Pauli. Asumsi pemisahan distribusi probabilitas untuk keadaan spin-up dan spin-down dapat digunakan untuk merekonstruksi persamaan Pauli. Proses formulasi persamaan menggunakan aksioma ontic extension dan epistemic restriction dalam interpretasi kuantum BR serta menggunakan prinsip konservasi, yaitu konservasi energi rata-rata dan kontinuitas probabilitas. Formulasi ini juga dapat digunakan untuk mendapatkan persamaan dinamika dan representasi kuantum entanglement dua partikel, namun menggunakan asumsi pemisahan distribusi probabilitas yang berbeda, yaitu untuk masing-masing keadaan yang mungkin dari dua partikel tersebut. Dalam formulasi ini, spin sebagai intrinsik momentum sudut tidak dapat dinyatakan dalam epistemic restriction, melainkan menggunakan definisi operator.
Keyword: Budiyono-Rohrlich, entanglement, epistemic, ontic, Pauli, spin