Standard No.:	GB 12143.3-1989
English Name:	Mehthod for determination of L-ascorbic acid in fruit and vegetable juice beverages-Ethyl ether extraction method
Chinese Name:	果蔬汁饮料中L-抗坏血酸的测定方法 乙醚萃取法
Chinese Classification:	X51    Beverage products
Professional Classification:	GB    National Standard
ICS Classification:	67.160.20 67.160.20    Non-alcoholic beverages 67.160.20
Source Content Issued by:	China State Bureau of Technical Supervision
Issued on:	1989-12-29
Implemented on:	1990-10-1
Status:	superseded
Superseded by:	GB/T 12143-2008 General analytical methods for beverage
Superseded on:	2009-5-1
Target Language:	English
File Format:	PDF
Word Count:	2000 words
Translation Price(USD):	60.0
Delivery:	via email in 1~3 business day

本标准规定了使用2,6-二氯靛酚滴定-乙醚萃取法测定果蔬汁饮料中L-抗坏血到含量的方法。
本标准适用于浓缩果蔬汁、果蔬原汁、果蔬汁饮料、果蔬汁碳酸饮料及果蔬汁固体饮料中L－抗坏血酸的测定,尤其适用于深色果蔬汁饮料中L-抗坏血酸的测定。但不适用于脱氢抗坏血酸的测定。