ANSWER
Malaysia
According to Food Regulations 1985, pectin and arabic gum are permitted to be used as a food conditioner in carbonated drinks.
Singapore
According to Food Regulations (Sale of Food Act), pectin and arabic gum are permitted to be used as an emulsifier and stabilizer in carbonated drinks.
Japan
According to List of Existing Food Additives, pectin and arabic gum are permitted as existing food additives in carbonated drinks.
Korea
According to Korea Food Additives Code (Notification No. 2015-5), pectin and arabic gum are permitted to be used as natural additives in carbonated drinks.
EU
According to EU Food Additives Database, pectin and arabic gum are permitted to be used in carbonated drinks.
USA
According to Listing of Specific Substances Affirmed as GRAS (2018a, 2018b), pectin and arabic gum are permitted to be used in carbonated drinks.
Australia & New Zealand
According to Food Additives (Standard 1.3.1) of Australia New Zealand Food Standards Code, pectin and arabic gum are permitted to be used in carbonated drinks.
Permitted Dosage
Pectin and Arabic gum are permitted to be used in carbonated beverages, limited by GMP in Singapore, Malaysia, Japan, Korea, EU, USA, Australia and New Zealand.
References
Agri-Food & Veterinary Authority of Singapore. (2019). Food Regulations (Sale of Food Act).
Australian Government (2014). Australia New Zealand Food Standards Code. Food Additives (Standard 1.3.1).
European Commission. (2015). EU Food Additives Database.
Listing of Specific Substances Affirmed as GRAS, 21 CFR 184.1588 (2018a).
Listing of Specific Substances Affirmed as GRAS, 21 CFR 184.1330 (2018b).
Ministry of Food and Drug Safety Korea. (2015). Korea Food Additives Code (Notification No. 2015-5).
Ministry of Health and Welfare Japan. (n. d.). List of Existing Food Additives.
Ministry of Health Malaysia. (2017). Food Regulations 1985.