Judul: Pengaruh Penambahan Ekstrak Teh Hijau pada Pengolahan Beras Ekstrusi Terhadap Penurunan Indeks Glikemik
Abstrak: Rice is a staple food for most people of Indonesia, which still not be replaced by another source of carbohydrate. This phenomenon is risky for people who have Type 2 Diabetes Mellitus (T2DM), because they not eat rice as normal people. This research was conducted to make food which can be eaten safely by people who has T2DM. There are 5% broken rice produced from rice milling process. The utilization of broken rice still limited in Indonesia. The main objective of this research was to develop extruded rice based on broken rice and the additional of polyphenolic substances from green tea extract by using extrusion technology. The additional of 4 % green tea extract on broken rice was conducted with 4 treatments: 1) without the additional of green tea extract, as control (K), 2) during rice soaking before milling (P1), 3) before the extrusion process (P2), and 4) combination of treatment 2 and 3 (P3). Starch digestibility (SD) analyzed by using in vitro method to determine the best treatment of green tea extract addition in lowering the digestibility of starch. The result showed that the fourth addition treatment of green tea extract had the lowest SD value as 47.31%. These data correlated to GI conducted with in vivo analysis. Glycemic Index (GI) of extruded rice result was 48.15 (low GI), whereas the GI of broken rice was 77.40 (high GI). The addition of green tea extract significantly reduced the GI value of extruded rice from broken rice.
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Judul: The utilization of green tea (Camellia sinensis O. Kuntze) extract in the development of functional rice for Diabetes Mellitus patients
Abstrak: Tujuan penelitian ini adalah untuk mendapatkan beras dengan daya cerna pati in vitro rendah sebagai pangan fungsional untuk penderita diabetes melitus. Penurunan daya cerna pati dilakukan dengan perlakuan ekstrak teh hijau. Bahan penelitian adalah sepuluh varietas beras Indonesia, yaitu Pandan Wangi, Rojolele, Bengawan Solo, Cenana-Bali (beras merah), Memberamo, Celebes, Ciherang, Batang Piaman, Cisokan, dan Lusi (ketan). Beras diperoleh dari Balai Penelitian Tanaman Padi, Sukamandi. Sebagai pembanding digunakan beras Taj Mahal, yang di pasaran dikenal sebagai beras untuk penderita diabetes. Teh hijau (Camellia sinensis O. Kuntze) diperoleh dari Kebun Percobaan Pasir Sarongge, Cianjur. Penelitian dibagi menjadi empat tahap, yaitu: 1) Penapisan aktivitas hipoglikemik dan analisis komposisi kimia beras, 2) Proses pembuatan beras pratanak dan beras instan fungsional, 3) Evaluasi daya hipoglikemik beras fungsional dan analisis histologi jaringan pankreas, serta 4) Penentuan indeks glikemik (IG) beras. Pada penapisan aktivitas hipoglikemik diperoleh lima kategori varietas beras berturut-turut dari aktivitas hipoglikemik tertinggi sampai terendah, yaitu: 1) Cisokan, 2) Batang Piaman, 3) Memberamo, Cenana-Bali, Lusi, Bengawan Solo, 4) Pandan wangi, Taj Mahal, Celebes, Rojolele, dan 5) Ciherang. Varietas Memberamo terpilih untuk diproses menjadi beras fungsional, karena aktivitas hipoglikemiknya relatif tinggi, mengandung serat pangan larut (3.95%) dan pati resisten (2.68%) tertinggi di antara varietas yang diuji, serta memiliki kadar amilosa rendah (19.30%) sehingga tekstur nasi pulen dan rasa enak.
Keyword: Padi dan beras, Diabetes melitus, Pankreas, Indeks Glikemik pangan, Tanaman teh, Pangan fungsional, Analisis komposisi kimia beras, Penapisan aktivitas hipoglikemik, Beras pratanak fungsional, Beras instan fungsional, Pati in vitro, Uji organoleptik

Judul: Ecosystem and community based model for zonation in Nino Konis Santana National Park, Timor-Leste
Abstrak: Nino Konis Santana National Park is the first national park that was declared by Timor-Leste Government on August 2008. Aims is to i) Protect and conserve nationally and globally important natural and cultural values, ii) Contribute to the achievement of sustainable livelihoods for local communities, iii) Establish the first protected area in Timor-Leste’s world-class protected area system, iv) Increase awareness of conservation and the sustainable management of biodiversity and natural resources, v) Ensure the active participation of and foster ownership by the communities in the protected area, and vi) Manage the NKSNP as an internationally recognized protected area where the traditional interactions of people and nature are maintained in a way that protects the environment.
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