濃縮紅薯清汁內控質量標準
Specification
of Clear Sweet Potato Juice Concentrate
感官要求 Sense Perception
項 目Items |
指 標Specifications |
色澤 Color |
琥珀色 Amber |
香氣及滋味 Odor and flavor |
具有紅薯固有的滋味,無異味 with natural sweet potato fragrance and flavor,without peculiar smell. |
外觀形態 Appearance |
呈透明狀、無懸浮物、無沉淀 Transparent ,no suspension and sediment |
雜質 Impurity |
不允許有肉眼看見的雜質 No visible impurity |
理化指標 Physical and Chemical Specifications
項目Items |
指標Specifications |
|
可溶性固形物(20℃折光法) Brix Soluble solids(refraction at 20℃) |
≥60.0 |
|
可滴定酸(以蘋果酸計, 滴定終點 PH=8.1) % Titration Acid(as malic acid, titrate to end point PH=8.1) % |
/ |
0.85-2.5 |
透光率(625nm) T% Transmittance |
≥98.0 |
|
色值(440nm) T% Color |
≥60.0 |
|
濁度 NTU Turbidity |
≤2.0 |
|
果膠實驗 Pectin |
陰性 Negative |
|
淀粉實驗 Starch |
陰性 Negative |
|
pH值 pH value |
3.8-4.2 |
|
除可溶性固形物、可滴定酸外,其余項目均在12.0Brix 條件下測定 Other items except soluble solids and titration acid are tested in 12.0 Brix. |
注:紅薯汁的酸度可以加酸調節
Note: The acidity can by adjusted by adding acid.
衛生指標 Sanitation Specifications
項目Items |
指標Specifications |
棒曲霉素 ug/Kg Patulin |
≤50 |
鉛及其化合物(以Pb 計) mg/Kg Plumbum and its compound(as Pb) |
≤0.05 |
砷及其化合物(以As 計) mg/Kg Arsenic and its compound(as As) |
≤0.1 |
銅及其化合物(以Cu 計) mg/Kg Copper and its compound(as Cu) |
≤5.0 |
細菌總數cfu/ml TPC |
≤100 |
大腸菌群 MPN/ml Coliform |
<3 |
致病菌 Pathogenic Bacteria |
未檢出 ND |
霉菌和酵母菌cfu/ml Mold & Yeast |
<10 |
耐熱菌 cfu/10ml TAB |
<1 |
除細菌總數、大腸菌群、致病菌、霉菌、酵母菌和耐熱菌外,其他項目均在12.0Brix 條件下測定 Other items except TPC, Coliform, Pathogenic bacteria, Mold&Yeast and TAB are tested in 12.0 Brix. |
保質期和儲存條件 Shelf Life & Storage
在 -18℃條件下,24 個月
24 months @ Temperature -18℃
包裝Packaging
項目Items |
單重Weight |
桶Drum |
0.275 噸MT |
農藥殘留 Pesticide Residues
產品農藥最大殘留限量應符合GB 18406.2—2001要求以及貿易雙方所在國家/地區的法律法規的規定。
The top residue value of pesticide should comply with GB 18406.2—2001 requirement as well as the laws and regulations in each trading side.
有效期:2014-07-01
Expiry Date: Jul.01, 2014