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Specifications Standards for Gum Arabic as Food Raw Material
1.中華民國七十五年十一月二十一日行政院衛生署（75）衛署食字第 621 7464 號公告訂定發布全文 10 點 2.中華民國一百零二年八月二十日衛生福利部部授食字第 1021350146 號 令修正發布全文 3 條；並自發布日施行 3.中華民國一百零五年四月二十九日衛生福利部部授食字第 1051301295 號令修正發布名稱及全文 3 條；並自發布日施行 （原名稱：食品原料阿拉伯樹膠衛生標準；新名稱：食品原料阿拉伯樹 膠規格標準）
資料來源：全國法規資料庫（ChOrder.json，版本 2026/7/24 上午 12:00:00）・政府資料開放授權
The Standards are prescribed in accordance with the provisions of Article 17 of the Act Governing Food Safety and Sanitation.
1Gum Arabic (Gum arabic；Acacia gum) as food raw material shall comply with the following specifications:
21. Definition: Gum arabic is a dried exudate obtained from the stems and branches of strains of Acacia senegal (L.) Willdenow or closely related species of Acacia (family Leguminosae). It consists mainly of high-molecular weight polysaccharides and their calcium, magnesium and potassium salts, which on hydrolysis yield arabinose, galactose, rhamnose and glucuronic acid.
32. Description and Identification: The unground product occurs as white to orange-brown, spheroidal tears of varying size or in angular fragments. Gum arabic is also available commercially in the form of white to yellowish-white flakes, granules, powder, roller dried, or spray-dried material. One gram dissolves in 2 mL of water, forming a solution that flows readily and is acid to litmus, insoluble in ethanol.
43. Purity:
5(1) Loss on drying: Not exceed 15% (105°, 5 h) for granular and exceed 10% (105°, 4 h) for spray dried material.
6(2) Total ash: Not exceed 4%.
7(3) Acid-insoluble ash: Not exceed 0.5%.
8(4) Acid-insoluble matter: Not exceed 1%.
9(5) Starch or dextrin: Boil a 1 in 50 solution of the sample, cool and add a few drops of Iodine T.S. No bluish or reddish colour should be produced.
10(6) Tannin-bearing gums: To 10 mL of a 1 in 50 solution of the sample, add about 0.1 mL of ferric chloride TS. No blackish colouration or blackish precipitate should be formed.
11(7) Microbiological criteria:
12Salmonella spp.: Negative.
13E. coli: Negative.
14(8) Arsenic: Not exceed 3 mg/kg.
15(9) Lead: Not exceed 2 mg/kg.
16(10) Mercury: Not exceed 1 mg/kg.
17(11) Cadmium: Not exceed 1 mg/kg.
The Standards shall be implemented on the date of promulgation.