In order to establish sago residue as new woody resource for making plastic sheets, the reactivity with plant oil, thermoplasticity, and the solvent suitable for washing the reaction products were evaluated.
 Methanol-water mixture solvent and methanol-hexane mixture solvent were used to extract unreacted products from the esterified sago residue (ESR). In case of methanol-water mixture solvent, the washed ESR showed higher weight increases than samples which were washed with other solvents and it was indicated that the palm oil used as esterification reagent still remained. With methanol-hexane mixture solvent at 8: 2 v/v, the weight of washed ESR was decreased. This indicates that a portion of reaction products must have been dissolved in this solvent. On the other hand, in case of methanol-hexane solvent at 9: 1 v/v, the weight of washed ESR was increased and unreactive palm oil was removed. The methanol-hexane mixture solvent (9: 1 v/v) is, therefore, more suitable than other solvent for washing reaction products. As regards esterification, results of IR spectroscopy and measurement of fatty acids showed that reaction conditions at 140℃ for 4 hours and 160℃ for 2 hours were more suitable than other conditions. Thermoplasticity of plastic sheets made from ESR improved with the addition of glycerol. The plastic sheets from the reaction at 140℃ for 4 hours showed better thermoplasticity than other sheets. The sheets from ESR showed higher modulus of elasticity with glycerol addition.

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 This paper describes the custom of eating sago weevil (Rhynchophorus ferrugineus) in Sulawesi and Maluku district, eastern Indonesia. It is considered to be the most important basic edible insect in the region because it is plentiful, easily harvested and rated as pleasant tasting.
 The behaviour associated with harvesting this natural resource can be summarized as follows:
 Sago weevils are collected from a stump or a trunk of a sago palm tree which is already dead after being cut down for collecting sago starch. No complicated gathering technique has been developed or is necessary. The gathering of this plentiful resource is combined with the collecting of sago palm starch which is also utilized. In the surveyed area, both larvae and adults of sago weevil are used as food, though larvae are more popular. This is a plentiful and easily harvested resource so people usually collect enough for their own needs and they are not gathered in large quantities and are not sold at the market.
 People rate the taste of these insects highly and positively, and they are used as cuisine with various processes which bring out the taste. Sago weevil is a resource which is used in an increasing range of dishes with a variety of luxury grocery items.

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