Factors Affecting Storage of Fresh Rubber Latex for Nutrient Analyses and Biochemical Component
Keywords:
Rubber tree, nutrient, fresh latex rubber, biochemical component, sucroseAbstract
Nutrients and biochemical components in rubber latex indicate latex biosynthesis and rubber tree health. However, these components in rubber latex can change easily. This study aimed to compare the latex preservation methods for analysis of nutrients and biochemical components. Rubber latex was kept at the different conditions; room temperature (27°C), in ice box (4°C) and kept at 27°C with chloroform addition to inhibit microorganisms. It revealed that concentrations of nutrients varied slightly but sucrose in latex kept at 27°C decreased greatly. Preservation of latex in ice box can maintain sucrose level but chloroform did not prevent decrease of sucrose. Therefore, during collecting latex from rubber trees, vial used for latex sampling should be kept in an ice box and latex should be also precipitated as soon as possible to remove rubber. Then, filtrate or latex serum was kept for analysis of nutrients and biochemical components.
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