Ghaziabad Testing Laboratories Pvt. Ltd.
Ghaziabad Testing Laboratories Pvt. Ltd.
Bulandshahr Road Industrial Area, Ghaziabad, Uttar Pradesh
GST No. 09AAFCG7330R1ZZ
TrustSEAL Verified
Call 0804898874280% Response Rate
SEND EMAIL

Microbiological Testing

Pioneers in the industry, we offer milk and dairy products testing services, fruit products testing services, herbs spice and condiments testing service, infant food testing service, jams, juices, sauces & concentrates testing service and nuts and nut products testing services from India.

Milk And Dairy Products Testing Services

Milk And Dairy Products Testing Services
  • Milk And Dairy Products Testing Services
  • Milk And Dairy Products Testing Services
  • Milk And Dairy Products Testing Services
Get Best Quote
Approx. Price: Rs 10,000 / SampleGet Latest Price

Service Details:

Service LocationPan India
Service TypeMilk And Dairy Products Testing Services
Type Of TestingMicrobiological Testing
Duration4 Days
Payment ModeOnline/Offline
Service ModeOffline

Total plate count

IS 5402: 2012

Yeast and mold count

IS 5403: 1999 (RA 2018)

Enumeration of Escherichia coli

IS 5887 (Part- I): 1976 (RA 2018)

Detection of Escherichia coli

IS 5887 (Part- I): 1976 (RA 2018)

Enumeration of Coliform

IS 5401 (Part- 1):2012 (RA 2018)

Detection of Coliform

IS 5401 part-1:2012

Detection of Staphylococcus aureus

IS 5887 (Part- 2): 1976(RA 2018)

Enumeration of Coagulase positive Staphylococcus aureus

IS 5887 (Part- 8/Sec-1): 2002 (RA 2018)

Detection of Listeria monocytogenes

IS: 14988 (Part- 1): 2001(RA 2012)

Detection of Salmonella

IS 5887(Part- 3): 1999 (RA 2018)

Detection of Shigella

IS 5887 (Part- 7): 1999 (RA 2018)

Enumeration of Bacillus cereus

IS 5887 (Part- 6): 2012

Enumeration of Sulphite reducing clostridia

ISO 15213:2003

Detection of Faecal streptococci

IS 5887 (Part- 2): 1976 (RA 2018)

Enumeration of Enterobacteriaceae

IS 17112 part-2:2019

Detection of Vibrio cholerae and Vibrio parahaemolyticus

IS 5887 (Part- 5): 1976 (RA 2018)

Commercial Sterility

IS: 4884: 1968 Appendix A (RA 2014)

Commercial Sterility

IS 4238 :1967 Appendix-E RA2014

Request
Callback
Yes! I am Interested

Fruit Products Testing Services

Fruit Products Testing Services
  • Fruit Products Testing Services
  • Fruit Products Testing Services
  • Fruit Products Testing Services
Get Best Quote
Approx. Price: Rs 9,000 / PieceGet Latest Price

Service Details:

Service LocationPan India
Payment ModeOnline/Offline
Service ModeOffline
Type Of TestingMicrobiological Testing
Service TypeFruit Products Testing Services
Duration4 Days

Total Plate Count

IS 5402: 2012,

Yeast & Mould Count

IS 5403: 1999 (RA 2018)

Enterobacteriaceae count

IS 17112 part-2:2019

 

Detection of Enterobacteriaceae

IS 17112 part-1:2019

 

Detection of Staphylococcus aureus

IS 5887 (Part- II):1976 (RA 2018)

Detection of Salmonella spp.

IS 5887(Part- 3): 1999 (RA 2018)

Enumeration of Coagulase positive Staphylococcus aureus

IS 5887 (Part- 8/sec-1): 2002(RA 2018)

Detection of Vibrio cholerae

IS 5887 (Part- V): 1976 (RA 2018)

Detection of Listeria monocytogenes

IS: 14988 (Part- 1): 2001(RA 2018)

Detection of Clostridium perfringens

IS 5887 (Part- 4): 1999 (RA 2018)

Enumeration of Sulphite reducing clostridia

ISO 15213:2003

Request
Callback
Yes! I am Interested

Herbs Spice And Condiments Testing Service

Herbs Spice And Condiments Testing Service
  • Herbs Spice And Condiments Testing Service
  • Herbs Spice And Condiments Testing Service
  • Herbs Spice And Condiments Testing Service
Get Best Quote
Approx. Price: Rs 8,000 / SampleGet Latest Price

Service Details:

Type of TestingMicrobiological Testing
Service LocationPan India
Service TypeHerbs Spice And Condiments Testing Service
Duration4 Days
Payment ModeOnline/Offline
Service ModeOffline

Total Plate Count

IS 5402: 2012

Enterobacteriaceae count

IS 17112 part-2:2019

 

Staphylococcus aureus count

IS 5887 part-8/Section 1:2002 RA 2018

Sulphite reducing clostridia

ISO 15213:2003

Yeast and Mold Count

IS 5403: 1999 (RA 2018)

Detection of Escherichia coli

IS 5887 (Part- I): 1976 (RA 2018)

Detection of Staphylococcus aureus

IS 5887 (Part- II):1976 (RA 2018)

Enumeration of Bacillus cereus

IS 5887 (Part- 6): 2012, (RA2018)

Detection of Listeria monocytogenes

IS: 14988 (Part- 1): 2001(RA 2018)

Detection of Salmonella spp.

IS 5887(Part- 3): 1999 (RA 2018)

Detection of Shigella

IS 5887 (Part- 7): 1999 (RA 2018)

Enumeration of Coliform

IS 5401 (Part- 1):2012(RA 2018)

Request
Callback
Yes! I am Interested

Infant Food Testing Service

Infant Food Testing Service
  • Infant Food Testing Service
  • Infant Food Testing Service
  • Infant Food Testing Service
Get Best Quote
Approx. Price: Rs 8,000 / SampleGet Latest Price

Service Details:

Type of TestingMicrobiological Testing
Service LocationPan India
Duration4 Days
Payment ModeOnline/Offline
Service ModeOffline
Service TypeInfant Food Testing Service

Total Plate Count

IS 5402: 2012

Detection of Coliform

IS 5401 part-1:2012

Enumeration of Coliform

IS 5401 part-1:2012

Detection of Escherichia coli

IS 5887 (Part- I): 1976 (RA 2018)

Enumeration of E. coli

 

IS 5887 part-I 1976 RA 2018

Detection of Staphylococcus aureus

IS 5887 (Part- II):1976 (RA 2018)

Enumeration of Coagulase positive Staphylococcus aureus

 

IS 5887 part-8/Sec 1:2002 RA 2018

Detection of Salmonella spp.

IS 5887(Part- 3): 1999 (RA 2018)

Detection of Shigella

IS 5887 (Part- 7): 1999 (RA 2018)

Yeast and mould count

 

IS 5403:1999 RA 2018

Yeast and mould count

 

IS 5403:1999 RA 2018

Detection of Listeria monocytogenes

IS: 14988 (Part- 1): 2001(RA 2018)

Enterobacteriaceae count

IS 17112 part-2:2019

Request
Callback
Yes! I am Interested

Jams, Juices, Sauces & Concentrates Testing Service

Jams, Juices, Sauces & Concentrates Testing Service
  • Jams, Juices, Sauces & Concentrates Testing Service
  • Jams, Juices, Sauces & Concentrates Testing Service
  • Jams, Juices, Sauces & Concentrates Testing Service
Get Best Quote
Approx. Price: Rs 8,000 / SampleGet Latest Price

Service Details:

Type of TestingMicrobiological Testing
Service LocationPan India
Service ModeOffline
Service TypeJams, Juices, Sauces & Concentrates Testing Service
Duration4 Days
Payment ModeOnline/Offline

Mould count

IS 3881: 1993 Annexure-E, (RA 2005)

Detection of Staphylococcus aureus

IS 5887 (Part- II):1976 (RA 2018)

Detection of Salmonella spp.

IS 5887(Part- 3): 1999 (RA 2018)

Detection of Shigella

IS 5887 (Part- 7): 1999 (RA 2018)

Total plate count

IS 5402: 2012

Detection of Listeria monocytogenes

IS 14988 (Part-I):2001(RA 2018)

Detection of Vibrio cholerae

IS 5887 (Part- V): 1976 (RA 2018)

Enumeration of Sulphite reducing clostridia

ISO 15213:2003

Request
Callback
Yes! I am Interested

Nuts And Nut Products Testing Services

Nuts And Nut Products Testing Services
  • Nuts And Nut Products Testing Services
  • Nuts And Nut Products Testing Services
  • Nuts And Nut Products Testing Services
  • Nuts And Nut Products Testing Services
Get Best Quote
Approx. Price: Rs 8,000 / PieceGet Latest Price

Service Details:

Service LocationPan India
Duration4 Days
Payment ModeOnline/Offline
Type Of TestingMicrobiological Testing
Service ModeOffline
Service TypeNuts And Nut Products Testing Services

Detection of Escherichia coli

IS 5887 (Part- I): 1976 (RA 2018)

Detection of Salmonella

IS 5887(Part- 3): 1999 (RA 2018)

Detection of Shigella

IS 5887 (Part- 7): 1999 (RA 2018)

Total Plate Count

IS 5402: 2012

Enumeration of Coliform

IS 5401 (Part- 1):2012 (RA 2018)

Yeast and Mould count

IS 5403: 1999 (RA 2018)

Detection of Staphylococcus aureus

IS 5887 (Part- II): 1976(RA 2018)

Detection of Vibrio cholerae

IS 5887 (Part- V): 1976 (RA 2018)

Detection of Clostridium perfringens

IS 5887 (Part- 4): 1999 (RA 2018)

Request
Callback
Yes! I am Interested

Meat Products Testing Service

Meat Products Testing Service
  • Meat Products Testing Service
  • Meat Products Testing Service
  • Meat Products Testing Service
Get Best Quote
Approx. Price: Rs 9,000 / SampleGet Latest Price

Service Details:

Type of TestingMicrobiological Testing
Service LocationPan India
Service ModeOffline
Service TypeMeat Products Testing Service
Duration4 Days
Payment ModeOnline/Offline

Total Plate Count

IS 5402: 2012

Yeast and Mold Count

IS 5403: 1999 (RA 2018)

Enumeration of Escherichia coli

IS 5887 (Part- I): 1976 (RA 2018)

Detection of Escherichia coli

IS 5887 (Part- I): 1976 (RA 2018)

Enumeration of Coagulase positive Staphylococcus aureus

IS 5887 (Part- 8/Sec-1):2002 (2018)

Detection of Staphylococcus aureus

IS 5887 (Part- II): 1976 (RA 2013)

Detection of Salmonella

IS 5887(Part- 3): 1999 (RA 2013)

Detection of Listeria monocytogenes

IS 14988 (Part-1):2001(RA 2018)

Enumeration of Sulphite reducing clostridia

ISO 15213:2003

Detection of Clostridium Perferingens

IS 5887 (Part- 4): 1999 (RA 2018)

Request
Callback
Yes! I am Interested

Vegetable And Vegetable Products Testing Service

Vegetable And Vegetable Products Testing Service
  • Vegetable And Vegetable Products Testing Service
  • Vegetable And Vegetable Products Testing Service
  • Vegetable And Vegetable Products Testing Service
Get Best Quote
Approx. Price: Rs 10,000 / SampleGet Latest Price

Service Details:

Type of TestingMicrobiological Testing
Service LocationPan India
Service ModeOffline
Service TypeVegetable And Vegetable Products Testing Service
Duration4 Days
Payment ModOnline/Offline

Total Plate Count

IS 5402: 2012,

Yeast & Mould Count

IS 5403: 1999, (RA 2018)

Enumeration of Enterobacteriaceae

IS 17112 part-2:2019

 

Detection Enterobacteriaceae

IS 17112 part-1:2019

 

Detection of Staphylococcus aureus

IS 5887 (Part- II): 1976(RA 2018)

Enumeration of Coagulase positive Staphylococcus aureus

IS 5887 (Part- 8/Sec-1):2002 (RA 2018)

Detection of Salmonella

IS 5887(Part- 3): 1999 (RA 2018)

Detection of Listeria monocytogenes

IS: 14988 (Part- 1): 2001(RA 2018)

Detection of Vibrio cholerae

IS 5887 (Part- V): 1976 (RA 2018)

Commercial Sterility

IS 2860: 1964 (RA 2008)

Detection of Clostridium Perferingens

IS 5887 (Part- 4): 1999 (RA 2018)

Enumeration of Sulphite reducing clostridia

ISO 15213:2003

Request
Callback
Yes! I am Interested

Edible Fat Oils Testing Service

Edible Fat Oils Testing Service
  • Edible Fat Oils Testing Service
  • Edible Fat Oils Testing Service
  • Edible Fat Oils Testing Service
Get Best Quote
Approx. Price: Rs 10,000 / SampleGet Latest Price

Service Details:

Service LocationPan India
Service ModeOffline
Service TypeEdible Fat Oils Testing Service
Duration4 Days
Payment ModeOnline/Offline
Type Of TestingMicrobiological Testing

Aerobic plate count

IS 5402: 2012

Yeast & mould count

IS 5403:1999 RA 2018

Enterobacteriaceae count

IS 17112 part-2:2019

Staphylococcus aureus count

IS 5887 part-8 /Section 1 :2002 RA 2018

Salmonella

IS 5887 part-3 1999 RA 2018

Listeria monocytogenes

IS 14988 part-1 2001 RA  2018

Vibrio cholerae

IS 5887 Part-5 1976 RA2018

Sulphite reducing clostridia (SRC)

ISO 15213:2003

Request
Callback
Yes! I am Interested

Egg Product Testing Service

Egg Product Testing Service
  • Egg Product Testing Service
  • Egg Product Testing Service
  • Egg Product Testing Service
Get Best Quote
Approx. Price: Rs 10,000 / SampleGet Latest Price

Service Details:

Service LocationPan India
Payment ModeOnline/Offline
Service ModeOffline
Service TypeEgg Product Testing Service
Type Of TestingMicrobiological Testing
Duration4 Days

Aerobic plate count,

IS 5402: 2012

Coliform count

IS 5401 part-1:2012

Yeast and mould count

IS 5403:1999 RA 2018

Sulphite reducing clostridia

ISO 15213:2003

Salmonella

IS 5887 part-3 1999 RA 2018

Clostridium perfringens

IS 5887 part- 4 1999 RA 2018

E. coli

IS 5887 part-I 1976 RA 2018

Staphylococcus aureus

IS 5887 part-II 1976 RA 2018

Listeria monocytogenes

IS 14988 part-1 2001 RA 2018

Request
Callback
Yes! I am Interested

Honey Products Testing Service

Honey Products Testing Service
  • Honey Products Testing Service
  • Honey Products Testing Service
  • Honey Products Testing Service
Get Best Quote
Approx. Price: Rs 25,000 / SampleGet Latest Price

Service Details:

Service LocationPan India
Service TypeHoney Products Testing Service
Duration4 Days
Payment ModeOnline/Offline
Service ModeOffline
Type Of TestingMicrobiological Testing

Aerobic plate count,

IS 5402: 2012

Coliform count

IS 5401 part-1:2012

Yeast and mould count

IS 5403:1999 RA 2018

Sulphite reducing clostridia

ISO 15213:2003

Salmonella

IS 5887 part-3 1999 RA 2018

Clostridium perfringens

IS 5887 part- 4 1999 RA 2018

E. coli

IS 5887 part-I 1976 RA 2018

Staphylococcus aureus

IS 5887 part-II 1976 RA 2018

Listeria monocytogenes

IS 14988 part-1 2001 RA 2018

Request
Callback
Yes! I am Interested

Pet Food Testing Service

Pet Food Testing Service
  • Pet Food Testing Service
  • Pet Food Testing Service
  • Pet Food Testing Service
Get Best Quote
Approx. Price: Rs 8,000 / SampleGet Latest Price

Service Details:

Type of TestingMicrobiological Testing
Service LocationPan India
Service TypePet Food Testing Service
Duration4 Days
Payment ModeOnline/Offline
Service ModeOffline

Total plate count

IS 5402: 2012

Yeast and mold count

IS 5403: 1999 (RA 2018)

Enumeration of Escherichia coli

IS 5887 (Part- I): 1976 (RA 2018)

Detection of Escherichia coli

IS 5887 (Part- I): 1976 (RA 2018)

Enumeration of Coliform

IS 5401 (Part- 1):2012 (RA 2018)

Detection of Coliform

IS 5401 part-1:2012

Detection of Staphylococcus aureus

IS 5887 (Part- 2): 1976(RA 2018)

Enumeration of Coagulase positive Staphylococcus aureus

IS 5887 (Part- 8/Sec-1): 2002 (RA 2018)

Detection of Listeria monocytogenes

IS: 14988 (Part- 1): 2001(RA 2012)

Detection of Salmonella

IS 5887(Part- 3): 1999 (RA 2018)

Detection of Shigella

IS 5887 (Part- 7): 1999 (RA 2018)

Enumeration of Bacillus cereus

IS 5887 (Part- 6): 2012

Enumeration of Sulphite reducing clostridia

ISO 15213:2003

Detection of Faecal streptococci

IS 5887 (Part- 2): 1976 (RA 2018)

Enumeration of Enterobacteriaceae

IS 17112 part-2:2019

 

Detection of Vibrio cholerae and Vibrio parahaemolyticus

IS 5887 (Part- 5): 1976 (RA 2018)

Request
Callback
Yes! I am Interested

Fish And Fish Products Testing Service

Fish And Fish Products Testing Service
  • Fish And Fish Products Testing Service
  • Fish And Fish Products Testing Service
  • Fish And Fish Products Testing Service
Get Best Quote
Approx. Price: Rs 10,000 / SampleGet Latest Price

Service Details:

Service LocationPan India
Duration4 Days
Payment ModeOnline/Offline
Type Of TestingMicrobiological Testing
Service ModeOffline
Service TypeFish And Fish Products Testing Service

Total Plate Count

IS 5402: 2012

Yeast and Mold Count

IS 5403: 1999 (RA 2018)

Enumeration of Escherichia coli

IS 5887 (Part- I): 1976 (RA 2018)

Enumeration of Coagulase positive Staphylococcus aureus

IS 5887 (Part- 8/Sec-1):2002, (RA 2018)

Detection of Staphylococcus aureus

IS 5887 (Part- II):1976 (RA 2018)

Detection of Salmonella spp.

IS 5887(Part- 3): 1999, (RA 2018)

Detection of Listeria monocytogenes

IS: 14988 (Part- 1): 2001(RA 2012)

Detection of Vibrio cholerae

IS 5887 (Part- V): 1976 (RA 2018)

Detection of Clostridium Perferingens & Clostridium botulinum

IS 5887 (Part- 4): 1999 (RA 2018)

Request
Callback
Yes! I am Interested

Aquaculture Feed Additives Testing Service

Aquaculture Feed Additives Testing Service
  • Aquaculture Feed Additives Testing Service
  • Aquaculture Feed Additives Testing Service
  • Aquaculture Feed Additives Testing Service
Get Best Quote
Approx. Price: Rs 15,000 / SampleGet Latest Price

Service Details:

Service LocationPan India
Service TypeAquaculture Feed Additives Testing Service
Duration4 Days
Payment ModeOnline/Offline
Service ModeOffline
Type Of TestingMicrobiological Testing

Total plate count

IS 5402: 2012

Yeast and mold count

IS 5403: 1999 (RA 2018)

Enumeration of Escherichia coli

IS 5887 (Part- I): 1976 (RA 2018)

Detection of Escherichia coli

IS 5887 (Part- I): 1976 (RA 2018)

Enumeration of Coliform

IS 5401 (Part- 1):2012 (RA 2018)

Detection of Coliform

IS 5401 part-1:2012

Detection of Staphylococcus aureus

IS 5887 (Part- 2): 1976(RA 2018)

Enumeration of Coagulase positive Staphylococcus aureus

IS 5887 (Part- 8/Sec-1): 2002 (RA 2018)

Detection of Listeria monocytogenes

IS: 14988 (Part- 1): 2001(RA 2012)

Detection of Salmonella

IS 5887(Part- 3): 1999 (RA 2018)

Detection of Shigella

IS 5887 (Part- 7): 1999 (RA 2018)

Enumeration of Bacillus cereus

IS 5887 (Part- 6): 2012

Enumeration of Sulphite reducing clostridia

ISO 15213:2003

Detection of Faecal streptococci

IS 5887 (Part- 2): 1976 (RA 2018)

Enumeration of Enterobacteriaceae

IS 17112 part-2:2019

 

Detection of Vibrio cholerae and Vibrio parahaemolyticus

IS 5887 (Part- 5): 1976 (RA 2018)

Request
Callback
Yes! I am Interested

Cattle Feed Testing Services

Cattle Feed Testing Services
  • Cattle Feed Testing Services
  • Cattle Feed Testing Services
  • Cattle Feed Testing Services
Get Best Quote
Approx. Price: Rs 15,000 / SampleGet Latest Price

Service Details:

Service LocationPan India
Service ModeOffline
Type Of testingMicrobiological Testing
Payment ModeOnline/Offline
Service TypeAquaculture Feed Additives Testing Service

Total plate count

IS 5402: 2012

Yeast and mold count

IS 5403: 1999 (RA 2018)

Enumeration of Escherichia coli

IS 5887 (Part- I): 1976 (RA 2018)

Detection of Escherichia coli

IS 5887 (Part- I): 1976 (RA 2018)

Enumeration of Coliform

IS 5401 (Part- 1):2012 (RA 2018)

Detection of Coliform

IS 5401 part-1:2012

Detection of Staphylococcus aureus

IS 5887 (Part- 2): 1976(RA 2018)

Enumeration of Coagulase positive Staphylococcus aureus

IS 5887 (Part- 8/Sec-1): 2002 (RA 2018)

Detection of Listeria monocytogenes

IS: 14988 (Part- 1): 2001(RA 2012)

Detection of Salmonella

IS 5887(Part- 3): 1999 (RA 2018)

Detection of Shigella

IS 5887 (Part- 7): 1999 (RA 2018)

Enumeration of Bacillus cereus

IS 5887 (Part- 6): 2012

Enumeration of Sulphite reducing clostridia

ISO 15213:2003

Detection of Faecal streptococci

IS 5887 (Part- 2): 1976 (RA 2018)

Enumeration of Enterobacteriaceae

IS 17112 part-2:2019

 

Detection of Vibrio cholerae and Vibrio parahaemolyticus

IS 5887 (Part- 5): 1976 (RA 2018)

Request
Callback
Yes! I am Interested

Beverages (Alcoholic/Non-Alcoholic) Testing Service

Beverages (Alcoholic/Non-Alcoholic) Testing Service
  • Beverages (Alcoholic/Non-Alcoholic) Testing Service
  • Beverages (Alcoholic/Non-Alcoholic) Testing Service
  • Beverages (Alcoholic/Non-Alcoholic) Testing Service
Get Best Quote
Approx. Price: Rs 25,000 / PieceGet Latest Price

Service Details:

Service LocationPan India
Service ModeOffline
Service TypeBeverages (Alcoholic/Non-Alcoholic) Testing Service
Duration4 Days
Type Of TestingMicrobiological Testing
Payment ModeOnline/Offline

Total Plate Count

IS 5402: 2012

Yeast & Mold count

IS 5403: 1999 (RA 2018)

Coliform (Only for Drinks containing alcohol)

IS 3752: 2005 Clause 14, RA 2015

Enumeration of Coliform

IS 5401 (Part- 1):2012 (RA 2018)

Request
Callback
Yes! I am Interested

Coffee & Cocoa Products Testing Service

Coffee & Cocoa Products Testing Service
  • Coffee & Cocoa Products Testing Service
  • Coffee & Cocoa Products Testing Service
  • Coffee & Cocoa Products Testing Service
Get Best Quote

Service Details:

Service TypeCoffee & Cocoa Products Testing Service
Duration4 Days
Type Of TestingMicrobiological Testing
Payment ModeOnline/Offline
Service LocationPan India
Service ModeOffline

Aerobic plate count

IS 5402: 2012

Yeast & mould count

IS 5403:1999 RA 2018

Enterobacteriaceae count

IS 17112 part-2:2019

Staphylococcus aureus count

IS 5887 part-8 /Section 1 :2002 RA 2018

Salmonella

IS 5887 part-3 1999 RA 2018

Listeria monocytogenes

IS 14988 part-1 2001 RA  2018

Vibrio cholerae

IS 5887 Part-5 1976 RA2018

Sulphite reducing clostridia (SRC)

ISO 15213:2003

Request
Callback
Yes! I am Interested
X

Explore More Services

View All Services


Reach Us
Alok Chaurasia (CEO)
Ghaziabad Testing Laboratories Pvt. Ltd.
Ao-150 G T Road Amrit Steel Compound Indl. Area
Bulandshahr Road Industrial Area, Ghaziabad - 201001, Uttar Pradesh, India
Get Directions


Call Us


Send E-mail