Specifications Standards for Gum Arabic as Food Raw Material Article 2

Gum Arabic (Gum arabic;Acacia gum) as food raw material shall comply with the following specifications:1. 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.2. 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.3. Purity:(1) Loss on drying: Not exceed 15% (105°, 5 h) for granular and exceed 10% (105°, 4 h) for spray dried material.(2) Total ash: Not exceed 4%.(3) Acid-insoluble ash: Not exceed 0.5%.(4) Acid-insoluble matter: Not exceed 1%.(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.(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.(7) Microbiological criteria: Salmonella spp.: Negative. E. coli: Negative.(8) Arsenic: Not exceed 3 mg/kg.(9) Lead: Not exceed 2 mg/kg.(10) Mercury: Not exceed 1 mg/kg.(11) Cadmium: Not exceed 1 mg/kg.
中文原文 食品原料阿拉伯樹膠規格標準第2條
食品用阿拉伯樹膠(Gumarabic;Acaciagum)應符合以下規格:
一、定義:阿拉伯樹膠是來自Acaciasenegal(L.)Willdenow或Ac-acia屬(familyLeguminosae)相關品種植物之莖或枝所取得的乾燥滲出物。
含有高分子量多醣和其鈣、鎂、鉀鹽,水解後可產生阿拉伯糖(Arabinose)、半乳糖(Galactose)、鼠李糖(Rhamnose)和葡萄糖醛酸(Glucuronicacid)。
二、描述及鑑定:本品未磨碎前呈白色至橙褐色大小不一之淚滴狀橢圓物或角狀碎片。
商業化之阿拉伯樹膠可為白色至乳黃色之薄片、顆粒、粉末、滾筒乾燥或噴霧乾燥物之型式。
本品1克溶於2毫升水中所形成之溶液具良好流動性,對石蕊試紙呈酸性反應,且不溶於乙醇。
三、純度:1.乾燥減重:粒狀樣品15%以下(105℃,5小時),噴霧乾燥物10%以下(105℃,4小時)。
2.總灰分:4%以下。
3.灰分(酸不溶):0.5%以下。
4.酸不溶性物質:1%以下。
5.澱粉或糊精試驗:樣品與水1比50之水溶液經煮沸冷卻後,加入幾滴碘液,沒有偏藍色或偏紅色情形。
6.單寧酸膠試驗:樣品與水1比50之水溶液取10毫升,加入0.1毫升的氯化鐵試液,沒有黑色或黑色沉澱形成。
7.微生物:(1)沙門氏菌:陰性(2)大腸桿菌:陰性8.砷:3mg/kg以下。
9.鉛:2mg/kg以下。
10.汞:1mg/kg以下。
11.鎘:1mg/kg以下。

English translation for reference only; the Chinese text prevails. Not legal advice.