
| Référence | Milieux de culture déshydratés en flacons de 500 G |
| 01-001-500 01-007-500 01-009-500 01-016-500 01-017-500 01-026-500 01-029-500 01-030-500 01-034-500 01-047-500 01-050-500 01-053-500 01-057-500 01-068-500 01-069-500 01-082-500 01-083-500 01-094-500 01-103-500 01-111-500 01-116-500 01-118-500 01-132-500 01-135-500 01-136-500 01-137-500 01-140-500 01-144-500 01-160-500 01-161-500 01-164-500 01-165-500 01-166-500 01-177-500 01-192-500 01-195-500 01-200-500 01-203-500 01-206-500 01-210-500 01-211-500 01-216-500 01-219-500 01-220-500 01-236-500 01-237-500 01-261-500 01-262-500 01-263-500 01-265-500 01-275-500 01-278-500 01-287-500 01-289-500 01-291-500 01-294-500 01-295-500 01-301-500 01-309-500 01-310-500 01-329-500 01-346-500 01-352-500 01-366-500 01-385-500 01-412-500 01-430-500 01-434-500 01-446-500 01-470-500 01-471-500 01-483-500 01-485-500 01-487-500 01-502-500 01-505-500 01-513-500 01-526-500 01-540-500 01-541-500 01-545-500 01-552-500 01-555-500 01-567-500 01-573-500 01-574-500 01-579-500 01-589-500 01-590-500 01-592-500 01-599-500 01-609-500 01-610-500 01-613-500 01-618-500 01-619-500 01-634-500 01-635-500 01-654-500 01-655-500 01-657-500 01-659-500 01-664-500 01-665-500 01-673-500 01-674-500 01-675-500 01-680-500 01-695-500 02-027-500 02-028-500 02-032-500 02-041-500 02-060-500 02-064-500 02-093-500 02-105-500 02-108-500 02-111-500 02-118-500 02-132-500 02-135-500 02-136-500 02-138-500 02-140-500 02-144-500 02-165-500 02-186-500 02-200-500 02-202-500 02-207-500 02-227-500 02-230-500 02-236-500 02-237-500 02-257-500 02-263-500 02-271-500 02-277-500 02-335-500 02-336-500 02-379-500 02-384-500 02-385-500 02-406-500 02-410-500 02-418-500 02-456-500 02-460-500 02-468-500 02-472-500 02-473-500 02-483-500 02-491-500 02-494-500 02-496-500 02-498-500 02-510-500 02-512-500 02-519-500 02-539-500 02-549-500 02-568-500 02-575-500 02-598-500 02-599-500 02-601-500 02-602-500 02-610-500 02-611-500 02-629-500 02-631-500 02-633-500 02-652-500 02-654-500 02-656-500 02-662-500 02-663-500 02-666-500 02-668-500 02-673-500 02-675-500 03-037-500 03-156-500 03-176-500 03-187-500 03-289-500 03-376-500 03-422-500 03-428-500 03-454-500 03-612-500 03-632-500 03-643-500 06-019-500 06-052-500 06-073-500 07-004-500 07-039-500 07-075-500 07-079-500 07-080-500 07-119-500 07-151-500 07-152-500 07-153-500 07-154-500 07-155-500 07-197-500 07-342-500 07-455-500 07-489-500 07-490-500 07-515-500 07-525-500 07-620-500 07-625-500 07-636-500 07-644-500 |
KING A AGAR Algae Agar ANTIBIOTIC MEDIUM 1 ( Eur. Phar. Antibiotic Medium A at pH: 6,6 ) ANTIBIOTIC MEDIUM 10 (Eur. Phar. Antibiotic Medium B) ANTIBIOTIC MEDIUM 11 (Eur. Phar. Antibiotic Medium A at pH: 8,0 ) APT AGAR KING B AGAR (F AGAR ) BAIRD PARKER AGAR BASE BLOOD AGAR BASE (COLUMBIA) CLED AGAR SPS AGAR CHAPMAN TTC AGAR (TERGITOL® 7 AGAR ) DEOXYCHOLATE LACTOSE AGAR EOSIN METHYLENE BLUE AGAR (EMB AGAR) SPORULATING AGAR ( USP ANTIBIOTIC MEDIUM 32) (AK Agar) TRYPTONE GLUCOSE EXTRACT AGAR (TGE Agar) PHENYLALANINE AGAR (PPA) LYSINE IRON AGAR (LIA) KLIGLER IRON AGAR (KIA) MALT EXTRACT AGAR No 1 MANNITOL SALT AGAR (Chapman Agar) MacCONKEY AGAR WORT AGAR MRS AGAR MUELLER HINTON AGAR NICKERSON AGAR (BiGGY) NUTRIENT AGAR (Brit. Phar.) NUTRIENT AGAR (APHA) CETRIMIDE AGAR (Eur. Phar. Agar Medium N) PLATE COUNT AGAR (PCA) VIOLET RED BILE AGAR (VRB AGAR) SABOURAUD DEXTROSE AGAR SABOURAUD CHLORAMPHENICOL AGAR SIMMONS CITRATE MEDIUM TRIPLE SUGAR IRON AGAR (TSI AGAR) (Eur. Phar. Agar Medium M) TRYPTONE SULFITE NEOMYCIN AGAR (TSN AGAR) TRYPTIC SOY AGAR (TSA) (Eur. Phar. Agar Medium B) BRILLIANT GREEN AGAR (BGA) VOGEL JOHNSON AGAR (VJ AGAR) WL NUTRIENT AGAR XYLOSE LYSINE DEOXYCHOLATE AGAR (XLD Agar) (Eur. phar. Agar Medium K) HEKTOEN ENTERIC AGAR YEAST MALT AGAR (YM AGAR) VIOLET RED BILE LACTOSE DEXTROSE AGAR (Eur. Phar. Medium F) LETHEEN AGAR LETHEEN MODIFIED AGAR UREA AGAR BASE acc. to CHRISTENSEN BACILLUS CEREUS AGAR KANAMYCIN ESCULIN AZIDE AGAR (KAA AGAR) BILE ESCULIN AGAR SABOURAUD OXYTETRACYCLINE AGAR BASE (OGYEA) TRYPTOSE SULFITE CYCLOSERINE AGAR (TSC AGAR) FECAL COLIFORMS AGAR (m-FC AGAR) NOMES PREPARAT REINFORCED CLOSTRIDIAL AGAR MARINE AGAR KENNER FECAL AGAR (KF AGAR) VIOLET RED BILE DEXTROSE AGAR (VRBD AGAR) ROSE BENGAL AGAR BRILLIANT GREEN MODIFIED AGAR GC Agar Base PLATE COUNT MODIFIED AGAR DNASE AGAR BLOOD AGAR BASE CHLORAMPHENICOL GLUCOSE AGAR (CGA) LB AGAR acc. to MILLER PLATE COUNT SKIM MILK AGAR ANTIBIOTIC MEDIUM E ANTIBIOTIC MEDIUM 19 ( Eur. Phar. Antibiotic Medium F ) LIEBERMEISTER & BRAVENY AGAR PALCAM AGAR BASE OXFORD AGAR BASE POTATO DEXTROSE AGAR DICHLORAN GLYCERIN SELECTIVE AGAR (DG18 AGAR) BACILLUS CEREUS SELECTIVE AGAR GLUCOSE BROMCRESOL PURPLE AGAR BLOOD AGAR BASE N.2 m-CP AGAR BASE TRYPTONE BILE AGAR R2A AGAR (Eur. Phar. Medium S) MacCONKEY SORBITOL AGAR ANTIBIOTIC MEDIUM BASE n. 35 XYLOSE LYSINE DEOXYCHOLATE MODIFIED AGAR SALMONELLA SHIGELLA MODIFIED AGAR TCBS MODIFIED AGAR MALT EXTRACT AGAR No 2 MALT EXTRACT AGAR No 3 SLANETZ & BARTLEY AGAR BASE ENDO AGAR BASE TRYPTONE YEAST EXTRACT AGAR BILE ESCULIN AZIDE AGAR BRAIN HEART INFUSION AGAR (B.H.I.A.) CN SELECTIVE AGAR BASE for Pseudomonas D/E NEUTRALIZING AGAR MICROBIAL CONTENT TEST AGAR ( TSA LECITHIN & POLYSORBATE ) COLINSTANT CHROMOGENIC AGAR TRYPTONE BILE GLUCURONIC AGAR (TBX Agar) IRON SULFITE MODIFIED AGAR ISO NUTRIENT AGAR EUGON LT 100 AGAR Sensitivity Test Agar (STA) Dichloran Rose Bengal Chloramphenicol (DRBC) Agar MINERALS MODIFIED GLUTAMATO BASE AGAR CHRISTENSEN CITRATE AGAR ACETATE DIFERENTIAL AGAR YSG Agar K agar BAT Agar Columbia Agar acc. Harmonized Ph. Chromogenic coliforms Agar (CCA) AZIDE DEXTROSE BROTH acc. to ROTHE (ROTHE AZIDE BROTH) ETHYL VIOLET AZIDE BROTH (EVA BROTH) PHENOL RED BROTH BASE BRILLIANT GREEN BILE 2% BROTH EC BROTH EE BROTH (Eur. Phar. Enrichment Broth Medium E) Gram-Negative Broth (GN Broth) LACTOSE BROTH (Eur. Phar. Broth Medium D) TRYPTOSE LAURYLSULFATE BROTH MALT EXTRACT BROTH MacCONKEY BROTH WORT BROTH MRS BROTH MUELLER HINTON BROTH NITRATE BROTH NUTRIENT BROTH NUTRIENT BROTH acc. to APHA SABOURAUD BROTH THIOGLYCOLATE BROTH TRYPTIC SOY BROTH (TSB) Eur. Phar. Broth Medium A UREA BROTH BASE METHYL RED VOGES PROSKAUER BROTH (CLARKS & LUBS MEDIUM) TRYPTIC SOY BROTH without DEXTROSE GIOLITTI-CANTONI BROTH LETHEEN BROTH LETHEEN MODIFIED BROTH COSMETIC DILUENT OF BEERENS KANAMYCIN ESCULIN AZIDE BROTH (KAA Broth) ASPARAGINE BROTH TRYPTONE PHOSPHATE WATER (Buffered Peptone Water) MÜLLER-KAUFFMANN MEDIUM BASE DECARBOXYLASE LYSINE BROTH ACC. TO TAYLOR RAPPAPORT VASSILIADIS BROTH LB BROTH LB BROTH acc. to MILLER LB BROTH acc. to LENNOX DIFFERENTIAL REINFORCED CLOSTRIDIAL MEDIUM (DRCM) TRYPTOPHAN BROTH MRVP Saline Broth Lauryl Sulphate Tryptose Mannitol Tryptophan Broth Alkaline Peptone Water LISTERIA ENRICHMENT BROTH BASE (UVM) YEPD BROTH POTATO DEXTROSE BROTH MALT EXTRACT BROTH BUFFERED PEPTONE WATER (Buffered Sodium Chloride Peptone Solution pH 7,0) LISTERIA ENRICHMENT BROTH BASE ACC. TO FRASER LISTERIA ENRICHMENT BROTH BASE ACC. TO LOVETT MAXIMUM RECOVERY DILUENT NEUTRALIZING FLUID Eur. Phar. LACTOSE SULFITE BASE BROTH CASEIN LECITHIN POLYSORBATE BROTH BASE ANTIBIOTIC MEDIUM D PEPTONE WATER PHOSPHATE BUFFERED IRRADIATED TRYPTIC SOY BROTH (TSB) SELENITE BROTH (BASE) BRAIN HEART INFUSION BROTH ANTIBIOTIC MEDIUM C SELENITE CYSTINE BROTH BASE D/E NEUTRALIZING BROTH MacCONKEY G BROTH (Eur. Phar. Medium G) Tetrathionate Bile Brilliant Green Broth Base (Eur.Pharm.) PURPLE MAXIMUM RECOVERY DILUENT m-GREEN Broth Mannitol Selenite Broth EUGON LT 100 BROTH Mineral Modified Glutamate Base Medium SHIGELLA BROTH PURPLE BASE BROTH NEUTRALIZING LACTOSE BROTH RAPPAPORT VASSILIADIS Salmonella ENRICHMENT BROTH YSG Broth BAT Broth OXIDATION-FERMENTATION FLUID MEDIUM (O/F medium) TRYPTONE WATER (Peptone Water) SIM MEDIUM THIOGLYCOLLATE FLUID MEDIUM REINFORCED CLOSTRIDIAL MEDIUM (RCM) ( Eur. Phar. Medium P ) RAPPAPORT VASSILIADIS MODIFIED SEMI-SOLID MEDIUM BASE (MSRV) MOTILITY INDOLE ORNITHINE FLUID MEDIUM (MIO) ACETAMIDE MEDIUM Stuart & Ringertz Transport Medium Motility Nitrate Medium LACTOSE & GELATIN MEDIUM CARY BLAIR MEDIUM SKIMMED MILK MALTOSE ,powder Ringer Solution AGAR BACTERIOLOGICAL BILE MEAT EXTRACT YEAST EXTRACT MALT EXTRACT CASEIN TRYPSIC PEPTONE (TRYPTONE) CASEIN ACID HYDROLYSATE MEAT PEPTONE GELATIN PANCREATIC PEPTONE CASEIN PANCREATIC PEPTONE SOY PEPTONE TRYPTOSE LECITHIN LACTALBUMIN HYDROLYSATE PEPTONE FROM CASEIN (TRYPTONE) AGAR AGAR BEEF EXTRACT BILE SALTS # 3 POTATO PEPTONE PROTEOSE PEPTONE n.3 SODIUM PYRUVATE SODIUM DEOXYCHOLATE |
| Référence | Réactifs de microbiologie | Cdt |
| 06-003-100 06-004-100 06-006-100 06-007-100 06-011-100 06-016-100 06-018-100 06-0181000 06-023-100 06-026-100 06-027-100 06-029-100 06-0291000 06-030-100 06-0301000 06-031-100 06-0311000 06-032-100 06-0321000 06-037-100 06-0371000 06-038-100 06-0381000 06-0570005 06-077-100 06-083-100 06-088-100 06-0881000 06-089-100 06-119-025 06-615-100 06-639-100 |
Nitrates A solution Nitrates B solution O'Meara's reagent Methyl red in solution Potassium tellurite solution 3,5 % Egg's yolk sterile emulsion Kovac's reagent Kovac's reagent TTC sterile solution 1 % Egg's yolk tellurite sterile emulsion Barrit's reagent Crystal violet dye solution Crystal violet dye solution Lugol solution Lugol solution Decolouriser for gram staining Decolouriser for gram staining Safranine dye solution Safranine dye solution Lactophenol blue Lactophenol blue Malachite green for spores stain Malachite green for spores stain Oxidase reagent Vaseline sterile Urea sterile solution 40 % Polysorbate 80 ( TWEEN 80 ) Polysorbate 80 ( TWEEN 80 ) Potassium tellurite solution 1 % Oxidase test sterile swabs Sodium Biselenite Indol reagent acc.ISO 9308-1:2000 |
100 ml 100 ml 100 ml 100 ml 100 ml 100 ml 100 ml 1L 100 ml 100 ml 100 ml 100 ml 1L 100 ml 1L 100 ml 1L 100 ml 1L 100 ml 1L 100 ml 1L 5 g 100 ml 100 ml 100 ml 1L 100 ml 25 units 100g 100 ml |
| Référence | Additifs (1 x 10 petits flacons) |
| 06-017CASE 06-021CASE 06-022CASE 06-102CASE 06-106CASE 06-107CASE 06-109CASE 06-110CASE 06-111CASE 06-112CASE 06-113CASE 06-114CASE 06-115CASE 06-116CASE 06-118CASE 06-124CASE 06-125CASE 06-607CASE |
Brilliant green + Novobiocin Selective Supplement Polymixin B Sulfate selective Supplement Cycloheximide Selective Supplemet MUG Supplement Listeria Selective Supplement for Primary Enrichment (UVMI) Listeria Selective Supplement for Enrichment acc. FDA/IDF OXFORD Agar Selective Supplement PALCAM Agar Selective Supplement Listeria Selective Supplement for Secundary Enrichment (UVMII / Fraser) Ferric Ammonium Citrate for Bacteriology (Listeria supplement ) Ferric Ammonium Citrate for Bacteriology (CLS Supplement) Disodium di-sulfite for Bacteriology (CLS Supplement) Oxytetracycline Selective Supplement Cycloserine Selective Supplement Chloramphenicol Selective Supplement Nalidixic Acid Selective Supplement m-CP Selective Supplement Basic Fuchsin 250 Selective Supplement |
| Référence | Milieux de culture déshydratés en sachets (1x 5 sachets) |
| 01-001BA05 01-009BA05 01-017BA05 01-029BA05 01-030BA05 01-034BA05 01-047BA05 01-050BA05 01-053BA05 01-057BA05 01-068BA05 01-094BA05 01-103BA05 01-111BA05 01-116BA05 01-118BA05 01-135BA05 01-136BA05 01-137BA05 01-140BA05 01-144BA05 01-160BA05 01-161BA05 01-164BA05 01-165BA05 01-177BA05 01-192BA05 01-195BA05 01-200BA05 01-203BA05 01-206BA05 01-211BA05 01-216BA05 01-237BA05 01-261BA05 01-265BA05 01-275BA05 01-278BA05 01-295BA05 01-309BA05 01-329BA05 01-346BA05 01-352BA05 01-385BA05 01-412BA05 01-470BA05 01-483BA05 01-502BA05 01-505BA05 01-513BA05 01-526BA05 01-540BA05 01-541BA05 01-552BA05 01-555BA05 01-567BA05 01-573BA05 01-589BA05 01-590BA05 01-599BA05 01-609BA05 01-613BA05 01-618BA05 01-619BA05 01-634BA05 01-635BA05 01-654BA05 01-655BA05 01-659BA05 01-664BA05 01-665BA05 01-673BA05 01-674BA05 01-675BA05 01-680BA05 01-695BA05 02-041BA05 02-060BA05 02-064BA05 02-093BA05 02-105BA05 02-108BA05 02-118BA05 02-135BA05 02-136BA05 02-140BA05 02-144BA05 02-165BA05 02-200BA05 02-202BA05 02-207BA05 02-227BA05 02-230BA05 02-236BA05 02-237BA05 02-257BA05 02-271BA05 02-277BA05 02-335BA05 02-379BA05 02-385BA05 02-472BA05 02-483BA05 02-494BA05 02-496BA05 02-498BA05 02-510BA05 02-512BA05 02-539BA05 02-598BA05 02-599BA05 02-602BA05 02-611BA05 02-629BA05 02-631BA05 02-633BA05 02-652BA05 02-654BA05 02-656BA05 02-662BA05 02-663BA05 02-666BA05 02-668BA05 02-673BA05 02-675BA05 03-156BA05 03-176BA05 03-187-500 03-289BA05 03-376BA05 03-612BA05 03-632BA05 03-643BA05 03-428BA05 |
King A Agar Antibiotic Medium nº 1 Agar Antibiotic Medium nº 11 Agar F Agar (King B Agar) Baird Parker Agar Base (Without Supplement , see List of Reagents & Supplements Ref. 6-026) Blood Agar Base Columbia Brolacin Agar (CLED Agar) SPS Agar (Clostridium Selective Agar) Tergitol 7 Agar (Chapman TTC Agar) (Without Supplement , see List of Reagents & Supplements Ref. 6-023) Desoxycholate Lactose Agar Eosin Methylene Blue Agar (EMB Agar) Lysine Iron Agar (LIA) Kliger Iron Agar (KIA) Malt Extract Agar Mannitol Salt Agar (Chapman Agar) McConkey Agar MRS Agar (included Polisorbate 80 in the formula) Mueller Hinton Agar Nickerson Agar (BIGGY Agar)) Nutrient Agar acc. to British Pharmacopoeia Nutrient Agar acc. to APHA Cetrimide Agar (Pseudomonas Selective Ag Plate Count Agar (PCA) Violet Red Bile Agar (VRB Agar) Sabouraud Dextrose Agar Simmons Citrate Medium Three Sugar Iron Agar (TSI Agar) Tryptone Sulphite Neomycine Agar (TSN Aga Tryptic Soy Agar (TSA) Brilliant Green Agar (BGA) Vogel Johnson Agar (VJ Agar) (Without Supplement , see List of Reagents & Supplements Ref. 6-089) Xylose Lysine Desoxycholate Agar (XLD Agar) Hektoen Enteric Agar Letheen Modified Agar (With Polisorbate 80 in a separate flask) Urea Agar Base acc. to Christensen (Without Supplement , see List of Reagents & Supplements Ref. 6-083) Bile Esculin Agar Sabouraud Oxytetracicline Agar (OGYEA) (Without Supplement , see List of Reagents & Supplements Ref. 6-115CASE) Tryptose Sulphite Cycloserine Agar (TSC) (Without Supplement , see List of Reagents & Supplements 6-116CASE) Violet Red Bile Dextrose Agar (VRBD Agar) Brilliant Green Modified Agar Standard Plate Count Agar DNAse Agar Blood Agar Base LB Agar acc. to Miller Plate Count Skimmed Milk Agar PALCAM Agar Base (Without Supplement , see List of Reagents & Supplements Ref. 6-110CASE) Potato Dextrose Agar (PDA) Bromocresol Purple Dextrose Agar Blood Agar Base nº2 m-CP Aagar Base Tryptone Bile Agar R2A Agar (Eur. Phar. Medium S) MacConkey Sorbitol Agar Xylose Lysine Deoxycholate Modified Agar (XLD Modified Agar) Salmonella Shigella Modified Agar (SS Agar) TCBS Modified Agar Malt Extract Agar Endo Agar Base Tryptone Yeast Extract Agar Brain Heart Infusion Agar (BHI Agar) CN Selective Agar Base For Pseudomonas Microbial Content Test Agar (TSA Lecithin Polysorbate) Colinstant chromogenic medium TBX Chromogenic Iron Sulfite modified Agar Nutrient Agar (ISO) Eugon LT 100 Agar Sensitivity Test Agar (S.T.A.) Minerals Modified Glutamate Base Agar Christensen Citrate Agar Acetate Diferential Agar YSG K BAT Columbia Agar acc. Harmonized Ph. Chromogenic Coliform Agar (CCA) Brilliant Green Bile 2% Broth EC Broth EE Broth Gram Negative Broth (GN Broth) Lactose Broth Lauryl Sulphate Broth McConkey Broth MRS Broth (included Polisorbate 80 in the formula) Mueller Hinton Broth Nutrient Broth acc. to British Pharmacopoeia Nutrient Broth acc. to APHA Sabouraud USP Broth Tryptic Soy Broth (TSB) Urea Broth Base (Without Supplement , see List of Reagents & Supplements Ref. 6-083) Methyl Red Voges Proskauer Broth (MRVP) Tryptic Soy Broth w/o Dextrose (TSB w/o Dextrose) Giolitti Cantoni Broth (Without Supplement , see List of Reagents & Supplements Ref. 6-089) Letheen Broth (With Polisorbate 80 in a separate flask) Letheen Modified Broth (With Polisorbate 80 in a separate flask) Cosmetic Diluent of Beerens (Without Supplement , see List of Reagents & Supplements Ref. 6-088) Asparagine Broth Tryptone Phosphate Water (Buffered Peptone Water) Tetrathionate Base Broth (Müller Kauffman) (Without Supplement , see List of Reagents & Supplements Ref. 6-017CASE. and Refs..YO0021 , PO0410) Rappaport Vassiliadis Broth LB Broth acc. to Miller Listeria Enrichment Broth Base (UVM I) (Without Supplement , see List of Reagents & Supplements Ref. 6-106CASE and 6-111CASE) Potato Dextrose Broth Buffered Peptone Water acc. to Eu. Ph. Fraser Broth (Without Supplement , see List of Reagents & Supplements Ref. 6-111 and 6-112) Listeria Enrichment Broth Base (UVMII) (Without Supplement , see List of Reagents & Supplements Ref. 6-107) Maximum Recovery Diluent Neutralizing Broth acc. to Eu. Ph. Casein Lecithin Polysorbate Broth Base Selenite Broth Base Brain Heart Infusion Broth (BHI Broth) Selenite Cystine Broth Base MacConkey G Broth (Eur. Phar. Medium G) Tetrathionate Bile Brilliant Green Broth Purple Maximum Recovery Diluent m-GREEN Broth Mannitol Selenite Broth Base EUGON LT 100 Broth Mineral Modified Glutamate Base Medium Shigella Broth Purple Base Broth Lactose Neutralizing Broth Rappaport Vassiliadis Eur. Pharm. Caldo YSG BAT Tryptone Water (Peptone Water) SIM Medium Thyoglycollate Fluid Medium Reinforced Clostridial Medium (RCM) Rappaport Vassiliadis Modified Semi-Solid Medium Base (MSRV) Motility Nitrate Medium Lactose & Gelatin Medium Cary & Blair Transport Medium Acetamide Nutrient Broth |