Abstract
The aim of this work was to examine the compaction characteristics of the powder from the seed coat of Tingui (Magonia Pubescens) comparing to the materials commonly used in pellet industries. The materials evaluated as comparison included Microcrystalline cellulose (MCC), Silicified microcrystalline cellulose (SMCC), Hydroxypropyl methylcellulose (HPMC), Polyvinil pirrolidone (PVP) and lactose. The mechanical parameters observed were hardness, tensile strength and deformation. The results confirmed that the powder from the seed coat of Tingui were quietly close to lactose as a soft brittle material.
Highlights
Studies of protected forests have been done using seedling and when the topographical conditions allow the sowing can be done mechanically, seed pelleting became the main alternative
All materials except Tingui were complied with current USP/NF compendial specifications and all were obtained from Toronto Institute Pharmaceutical Technology (TIPT), ON, Canada
Compact strengths were in order Silicified microcrystalline cellulose (SMCC) > Microcrystalline cellulose (MCC) > Hydroxypropyl methylcellulose (HPMC) > Polyvinil pirrolidone (PVP) > Tingui > Lactose
Summary
Studies of protected forests have been done using seedling and when the topographical conditions allow the sowing can be done mechanically, seed pelleting became the main alternative. Twelve forest tree species representing three ecological groups were selected for seed pelleting study, confirmed the efficiency of seed pelleting and the mechanical sowing in the establishment of protected riparian forest [2]. Seed pelleting of Eucalyptus was developed considering that the seeds are small and have low yield growth in captivity, seed pelleting could improve the genetic quality of the seeds [3]. The results showed that pelleting improve the seed germination, and increase the planting application in forestry because of handling and transport. The resistance of chipping, abrasion or breaking became the main concern in seed pelleting
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