示意圖，僅供參考，商品以實物為準Maximum Recovery Diluent
最大回收稀釋液
別名與縮寫：MRD · Peptone Salt Broth · Peptone Salt Solution · Peptone Saline Diluent · 蛋白腖生理食鹽水稀釋液
For the preparation of initial suspensions and decimal dilutions of food, animal feed, and environmental samples for microbiological examination.
- 類別
- 粉末培養基
- 每公升溶解量
- 9.5 g
- 包裝規格
- 500 g · 5 kg · 25 kg
資料更新：2026-11-06
產品說明
Maximum Recovery Diluent（最大回收稀釋液，MRD）是 ISO 6887 指定的通用稀釋液：0.1% 蛋白腖加 0.85% 氯化鈉的等滲溶液，讓檢體在均質與系列稀釋的 45 分鐘內維持菌數穩定，不像純水或生理食鹽水會讓受損菌死亡。ISO 11133、ISO 4833 與多數 ISO 食品檢驗方法都以它做檢體前處理，一天處理幾十個檢體的實驗室用量很大。食品級原料製造。
原理
Maximum Recovery Diluent combines the protective effect of a low concentration of peptone with the osmotic support of physiological saline. Studies by Straka and Stokes showed that bacteria can be rapidly killed in commonly used diluents such as water and that the addition of a small amount of peptone largely eliminates this loss.¹ Peptone protects microbial cells against osmotic shock and starvation during sample preparation, and sodium chloride maintains an isotonic environment. The low peptone content does not support significant multiplication within the recommended holding time. The diluent is specified for the preparation of initial suspensions and decimal dilutions in the microbiological examination of food and animal feed.²
配製與使用
Suspend 9.5 g of powder in 1 L of purified water. Heat with continuous stirring and bring to the boil for 1 minute. Dispense into suitable containers. Sterilize by autoclaving at 121°C for 15 minutes. Test the finished medium for performance using stable, standard control cultures.
培養性能測試
| 測試菌株 | ATCC | 生長情形 |
|---|---|---|
| Escherichia coli | 25922 | satisfactory |
| Staphylococcus aureus | 6538 | satisfactory |
產品特色
- 依標準配方製造，每公升溶解量 9.5 g
- 出廠前以標準菌株驗證培養效能（Escherichia coli、Staphylococcus aureus）
- 500 g / 5 kg / 25 kg 三種以上包裝，研究室到工業規模都適用
- 可提供 COA、規格書與技術資料表，支援樣品申請
- 台灣製造，供貨穩定
常見問題
01每公升要加多少克粉末？
每公升去離子水加 9.5 g；配製與滅菌條件依規格書。
02適用哪些菌種？
總生菌數、Escherichia coli、Staphylococcus aureus。詳見培養性能表與規格書。
03這個產品要怎麼配製？
Suspend 9.5 g of powder in 1 L of purified water. Heat with continuous stirring and bring to the boil for 1 minute. Dispense into suitable containers. Sterilize by autoclaving at 121°C for 15 minutes. Test the finished medium for performance using stable, standard control cultures.
04大量採購如何詢價？可以提供 COA 嗎？
可以。本產品提供 500 g、5 kg、25 kg 等包裝規格，請於詢價時說明應用場景與用量，一個工作天內回覆，並可提供 COA、規格書與技術資料表。
05台灣有現貨嗎？交期多久？
本產品在新北市汐止的自有工廠生產、台灣出貨，不需進口與清關。交期依庫存與包裝規格而定，詢價時告知品項與用量，我們會一併回覆現貨狀況與交期；急件請在詢價單註明。
06可以開立統一發票嗎？學校與研究機構可以請購嗎？
可以。我們開立台灣統一發票（含營業稅），學校、研究機構與公家單位可依請購流程先索取報價單再下單；小包裝與樣品申請都接受。
07有中文版的 SDS 與規格書嗎？
有。規格書（TDS）與 SDS 以英文版為標準文件，登入後可在產品頁下載；中文版 SDS 依需求提供，請在詢價單或聯絡表單註明品項與用途，我們會隨報價寄出。每批出貨附 COA。
參考文獻
- 1. Straka R. P. and Stokes J. L., 1957. Rapid destruction of bacteria in commonly used diluents and its elimination. Appl. Microbiol., 5:21-25.
- 2. ISO 6887-1, Microbiology of the food chain — Preparation of test samples, initial suspension and decimal dilutions for microbiological examination — Part 1: General rules for the preparation of the initial suspension and decimal dilutions, International Organization for Standardization, Geneva.