柑桔果实富含果胶,含量多占鲜果重的2％～4％。生产上一般采用柑桔榨汁或制罐后的皮渣提取果胶。本研究从测定柑桔采前落果中的果胶含量入手,探讨用它提取果胶的可能性。 材料和方法 分別于1988年8月16日、9月19日和10月17日在本所柑桔园中,捡取葡萄柚、柚、枸头橙、先锋 Citrus fruits are rich in pectin, accounting for more than 2% to 4% of fresh fruit weight. Production generally used orange juice or cans after the skin residue extraction pectin. This study started with the determination of the pectin content of the deciduous citrus fruits and explored the possibility of using it to extract the pectin. Materials and methods: Grapefruit, grapefruit, plum orange, Pioneer were picked up in our citrus groves on August 16, September 19 and October 17, 1988, respectively