Judul: Indeks Glikemik Beras Analog Berbahan Baku Menir dengan Penambahan Ekstrak Teh Hitam
Abstrak: Rice is a staple food for most Indonesian people. The Indonesian rice has different glycemic index (GI) according to variety and process which applied to rice. Rice usually is processed through milling process. There are 5% broken rice produced from milling process. The utilization of broken rice still limited in Indonesia. The main objective of this research was to develop analog rice based on broken rice and the addition of polyphenolic substances from black tea extract by using extrusion technology. Hopefully it would reduce the analog rice GI. So the product will be suitable not only for people who have Diabetes Mellitus (DM) which need to select their carbohydrate food source, but also for normal and health people. The addition of 4% (b/v) black tea extract to broken rice was conducted with 4 treatments: (1) without the addition of tea extract (as control); (2) during rice soaking before milling; (3) before the extrusion process; and (4) both of treatment 2 and 3. Starch digestibility (SD) analyzed by using in vitro method to determine the best treatment of black tea extract addition in lowering the digestibility of starch. The result showed that the fourth addition treatment of black tea extract had the lowest SD value as 58.32% ± 0.38% . These data correlated to GI conducted with in vivo analysis. GI of analog rice result was 44.19±10.75 (low GI), whereas the GI of broken rice was 71.16±15.41 (high GI). The addition of black tea extract significantly reduced the GI of analog rice from broken rice.
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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: 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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