从白葡萄皮中──联产果胶和色素的研究

介绍了在加热条件下，浸取葡萄皮，经浓缩后，用醇沉析得果胶；残渣经丙酮浸取、过滤、滤液浓缩后得色素的新工艺。所得产品收率高，质量合格，可以免去一般果胶生产中的脱色过程。

Study on manufacture of pectin and pigment from white grape peel

A new process to preduce pectin and pigment from white grapo peel is introduced in this peper.Pectin is obtained by leaching the white grape peel under heating conditions,concentrating the filtrate and settling out by use of alcohol.Pigment is acquired simultaneously from the residue by acetone leaching,filtering and concentrating the filtrate. The discoloring process in normal pectin pro-duction can be left out.The products possess high yield and qualified quality.