List of microorganisms used in food and beverage preparation explained

List of Useful Microorganisms Used In preparation Of Food And Beverage

MICROORGANISMTYPE (Bacterium / Fungus)FOOD / BEVERAGE
Acetobacter acetibacteriumchocolate[1]
Acetobacter acetibacteriumvinegar[2]
Acetobacter cerevisiaebacteriumbeer[3]
Acetobacter fabarumbacteriumchocolate
Acetobacter fabarumbacteriumcoffee
Acetobacter lovaniensisbacteriumvegetable pickle
Acetobacter malorumbacteriumvinegar
Acetobacter orientalisbacteriumvegetable pickle
Acetobacter pasteurianusbacteriumchocolate
Acetobacter pasteurianusbacteriumvinegar
Acetobacter pomorumbacteriumvinegar
Acetobacter syzygiibacteriumchocolate
Acetobacter syzygiibacteriumvinegar
Acetobacter tropicalisbacteriumchocolate
Acetobacter tropicalisbacteriumcoffee
Arthrobacter arilaitensisbacteriumcheese (smear-ripened)[4]
Arthrobacter bergereibacteriumcheese (smear-ripened)
Arthrobacter globiformisbacteriumcheese (smear-ripened)
Arthrobacter nicotianaebacteriumcheese (smear-ripened)
Arthrobacter nicotianaebacteriumcheese (Tilsit)
Arthrobacter variabilisbacteriumcheese (smear-ripened)
Aspergillus acidusfungustea
Aspergillus nigerfungusliquor awamori
Aspergillus fumigatusfunguschocolate
Aspergillus oryzaefungussoy miso[5]
Aspergillus oryzaefungusliquor sake
Aspergillus oryzaefungussoy sauce[6]
Aspergillus sojaefungussoy miso
Aspergillus sojaefungussoy sauce
Bacillus cereusbacteriumchocolate
Bacillus coagulansbacteriumchocolate[7]
Bacillus licheniformisbacteriumchocolate
Bacillus pumilusbacteriumchocolate
Bacillus sphaericusbacteriumsoy stinky tofu
Bacillus stearothermophilusbacteriumchocolate
Bacillus subtilisbacteriumchocolate
Bacillus subtilisbacteriumsoy natto
Bifidobacterium adolescentisbacteriumdairy yogurt[8]
Bifidobacterium animalisbacteriumdairy
Bifidobacterium bifidumbacteriumdairy
Bifidobacterium brevebacteriumdairy
Bifidobacterium brevebacteriumsoy
Bifidobacterium infantisbacteriumdairy
Bifidobacterium lactisbacteriumdairy
Bifidobacterium longumbacteriumdairy
Bifidobacterium pseudolongumbacteriumdairy
Bifidobacterium thermophilumbacteriumdairy
Brachybacterium alimentariumbacteriumcheese (Beaufort)[9]
Brachybacterium alimentariumbacteriumcheese (Gruyère) nol
Brachybacterium tyrofermentansbacteriumcheese (Beaufort)
Brachybacterium tyrofermentansbacteriumcheese (Gruyère)
Brevibacterium aurantiacumbacteriumcheese
Brevibacterium caseibacteriumcheese (smear-ripened)
Brevibacterium linensbacteriumcheese (smear-ripened)
Candida colliculosafunguscheese
Candida colliculosafungusdairy kefir
Candida exiguusfungusbread (sourdough)
Candida humicolafunguschocolate
Candida kefyrfunguscheese (surface-ripened)
Candida kruseifunguscheese (surface-ripened)
Candida millerifungusbread (sourdough)
Candida mycoderma[10] funguscheese (Limburger)[11]
Candida pelliculosafunguschocolate
Candida rugosafunguschocolate
Candida tropicalisfunguschocolate
Candida utilisfunguscheese
Candida validafungusbread (sourdough)
Candida vinifunguscheese (Reblochon), wine
Candida zeylanoidesfunguscheese (Reblochon)
Carnobacterium divergensbacteriumcheese
Carnobacterium divergensbacteriumfish
Carnobacterium divergensbacteriummeat
Carnobacterium maltaromaticumbacteriumdairy
Carnobacterium piscicolabacteriummeat
Corynebacterium ammoniagenesbacteriumcheese
Corynebacterium caseibacteriumcheese (smear-ripened)
Corynebacterium flavescensbacteriumcheese
Corynebacterium mooreparkensebacteriumcheese (smear-ripened)
Corynebacterium variabilebacteriumcheese
Cyberlindnera mrakiifunguswine
Cystofilobasidium infirmominiatumfunguscheese
Debaryomyces hanseniifunguscheese (smear-ripened)
Debaryomyces hanseniifunguscheese (Reblochon)
Debaryomyces kloeckerifunguscheese (Limburger)
Enterococcus faecalisbacteriumcheese
Enterococcus faecalisbacteriumdairy cream
Enterococcus faecalisbacteriummeat ham
Enterococcus faecalisbacteriumsoy miso
Enterococcus faecalisbacteriumvegetable pickle
Enterococcus faecalisbacteriummeat sausage
Enterococcus faecalisbacteriumsoy sauce
Enterococcus faeciumbacteriumcheese (Manchego)[12]
Enterococcus faeciumbacteriummeat ham
Enterococcus faeciumbacteriumsoy miso
Enterococcus faeciumbacteriumvegetable pickle
Enterococcus faeciumbacteriumsoy sauce
Fusarium domesticumfunguscheese
Geotrichum candidumfunguscheese
Gluconacetobacter azotocaptansbacteriumchocolate
Gluconacetobacter azotocaptansbacteriumcoffee
Gluconacetobacter diazotrophicusbacteriumchocolate
Gluconacetobacter diazotrophicusbacteriumcoffee
Gluconacetobacter entaniibacteriumvinegar
Gluconacetobacter europaeusbacteriumvinegar
Gluconacetobacter hanseniibacteriumvinegar
Gluconacetobacter johannaebacteriumchocolate
Gluconacetobacter johannaebacteriumcoffee
Gluconacetobacter oboediensbacteriumvinegar
Gluconacetobacter xylinusbacteriumvinegar
Gluconobacter oxydansbacteriumchocolate
Hafnia alveibacteriumcheese
Halomonas elongatabacteriummeat
Issatchenkia orientalisfungusdairy kefir
Kazachstania exiguafungusdairy kefir
Kazachstania unisporafungusdairy kefir
Kloeckera africanafunguschocolate
Kloeckera apisfunguschocolate.
Kloeckera javanicafunguschocolate
Kluyveromyces lactisfunguscheese
Kluyveromyces marxianusfunguscheese
Kluyveromyces marxianusfunguschocolate
Kocuria rhizophilabacteriumcheese
Kocuria rhizophilabacteriummeat
Kocuria variansbacteriumdairy
Kocuria variansbacteriummeat sausage
Komagataeibacter xylinusbacteriumcoconut (nata de coco)[13]
Lactobacillus acetotoleransbacteriumfruit
Lactobacillus acetotoleransbacteriumbread (sourdough)
Lactobacillus acetotoleransbacteriumvegetable pickle
Lactobacillus acidifarinaebacteriumbread (sourdough)
Lactobacillus acidipiscisbacteriumdairy
Lactobacillus acidipiscisbacteriumfish
Lactobacillus acidophilusbacteriumvegetables
Lactobacillus acidophilusbacteriumdairy yogurt
Lactobacillus alimentariusbacteriumfish
Lactobacillus alimentariusbacteriummeat
Lactobacillus brevisbacteriumcheese (canestrato pugliese)
Lactobacillus brevisbacteriumvegetable pickle
Lactobacillus brevis ssp. linensbacteriumdairy kefir
Lactobacillus bucheribacteriumbread
Lactobacillus bucheribacteriumwine
Lactobacillus cacaonumbacteriumchocolate
Lactobacillus caseibacteriumcheese (Idiazabal)
Lactobacillus caseibacteriumcheese (Manchego)
Lactobacillus caseibacteriumcheese (Roncal)
Lactobacillus caseibacteriumdairy yogurt
Lactobacillus casei ssp. pseudoplantarumbacteriumcheese (Grana Padano)
Lactobacillus casei ssp. pseudoplantarumbacteriumcheese (Parmigiano-Reggiano)
Lactobacillus cellobiosusbacteriumchocolate
Lactobacillus collinoidesbacteriumcider
Lactobacillus compostibacteriumliquor shōchū
Lactobacillus coryniformisbacteriumcheese
Lactobacillus crispatusbacteriumbread (sourdough)
Lactobacillus curvatusbacteriumcheese (cacio di Fossa)
Lactobacillus curvatusbacteriumcheese (canestrato pugliese)
Lactobacillus curvatusbacteriumcheese (pecorino romano)
Lactobacillus curvatusbacteriumcheese (pecorino sardo)
Lactobacillus curvatusbacteriummeat sausage
Lactobacillus delbrueckiibacteriumvegetables
Lactobacillus delbrueckii ssp. bulgaricusbacteriumcheese
Lactobacillus delbrueckii ssp. bulgaricusbacteriumdairy yogurt
Lactobacillus delbrueckii ssp. lactisbacteriumcheese (pecorino romano)
Lactobacillus dextrinicusbacteriummeat
Lactobacillus diolivoransbacteriumliquor chicha
Lactobacillus fabifermentansbacteriumchocolate
Lactobacillus farciminisbacteriumfish
Lactobacillus farciminisbacteriumsoy
Lactobacillus fermentumbacteriumchocolate
Lactobacillus fermentumbacteriumcheese (pecorino romano)
Lactobacillus fermentumbacteriumbread (sourdough)
Lactobacillus gasseribacteriumdairy
Lactobacillus gasseribacteriumbread (sourdough)
Lactobacillus ghanensisbacteriumchocolate
Lactobacillus hammesiibacteriumbread (sourdough)
Lactobacillus harbinensisbacteriumvegetables
Lactobacillus helveticusbacteriumcheese (Emmental)
Lactobacillus helveticusbacteriumvegetables
Lactobacillus hilgardiibacteriumchocolate
Lactobacillus hilgardiibacteriumwine
Lactobacillus homohiochiibacteriumliquor sake
Lactobacillus homohiochiibacteriumbread (sourdough)
Lactobacillus jenseniibacteriumbread
Lactobacillus johnsoniibacteriumdairy
Lactobacillus johnsoniibacteriumbread (sourdough)
Lactobacillus kefiranofaciensbacteriumdairy kefir
Lactobacillus kefiribacteriumdairy kefir
Lactobacillus kimchiibacteriumvegetable kimchi
Lactobacillus kisonensisbacteriumvegetable pickle
Lactobacillus kunkeeibacteriumwine[14]
Lactobacillus malibacteriumcider
Lactobacillus malibacteriumrum
Lactobacillus malibacteriumwine
Lactobacillus manihotivoransbacteriumliquor cassava
Lactobacillus mindensisbacteriumbread (sourdough)
Lactobacillus mucosaebacteriumbread (sourdough)
Lactobacillus nageliibacteriumwine
Lactobacillus namuresisbacteriumbread (sourdough)
Lactobacillus nantesisbacteriumbread (sourdough)
Lactobacillus nodensisbacteriumdairy
Lactobacillus oenibacteriumwine
Lactobacillus otakiensisbacteriumvegetable pickle
Lactobacillus panisbacteriumbread (sourdough)
Lactobacillus parabrevisbacteriumcheese
Lactobacillus parabrevisbacteriumdairy kefir
Lactobacillus parabrevisbacteriumvegetables
Lactobacillus parabuchneribacteriumbread (sourdough)
Lactobacillus paracaseibacteriumdairy
Lactobacillus paracaseibacteriummeat
Lactobacillus paracasei ssp. paracaseibacteriumcheese (cacio di Fossa)
Lactobacillus paracasei ssp. paracaseibacteriumcheese (canestrato pugliese)
Lactobacillus paracasei ssp. paracaseibacteriumcheese (pecorino sardo)
Lactobacillus parakefiribacteriumdairy kefir
Lactobacillus paralimentariusbacteriumbread (sourdough)
Lactobacillus paraplantarumbacteriumcheese
Lactobacillus paraplantarumbacteriumvegetables
Lactobacillus pentosusbacteriumcheese (canestrato pugliese)
Lactobacillus pentosusbacteriumfish
Lactobacillus pentosusbacteriumfruit
Lactobacillus pentosusbacteriumwine
Lactobacillus perolensbacteriumcheese
Lactobacillus perolensbacteriumvegetables
Lactobacillus plantarumbacteriumcheese (cacio di Fossa)
Lactobacillus plantarumbacteriumcheese (canestrato pugliese)
Lactobacillus plantarumbacteriumchocolate
Lactobacillus plantarumbacteriumcheese (Idiazabal)
Lactobacillus plantarumbacteriumcheese (Manchego)
Lactobacillus plantarumbacteriumcheese (pecorino romano)
Lactobacillus plantarumbacteriumcheese (Roncal)
Lactobacillus plantarumbacteriummeat sausage
Lactobacillus plantarumbacteriumvegetables
Lactobacillus pobuzihiibacteriumfruit
Lactobacillus pontisbacteriumbread (sourdough)
Lactobacillus rapibacteriumvegetable pickle
Lactobacillus rapibacteriumvegetables
Lactobacillus reuteribacteriumbread (sourdough)
Lactobacillus rhamnosusbacteriumcheese (Grana Padano)
Lactobacillus rhamnosusbacteriumcheese (Parmigiano-Reggiano)
Lactobacillus rhamnosusbacteriummeat
Lactobacillus rhamnosusbacteriumvegetables
Lactobacillus rossiaebacteriumbread (sourdough)
Lactobacillus sakeibacteriumliquor sake
Lactobacillus sakeibacteriummeat sausage
Lactobacillus salivariusbacteriumdairy
Lactobacillus sanfranciscensisbacteriumbread (sourdough)
Lactobacillus satsumensisbacteriumliquor shōchū
Lactobacillus secaliphilusbacteriumbread (sourdough)
Lactobacillus senmaizukeibacteriumvegetable pickle
Lactobacillus siliginisbacteriumbread (sourdough)
Lactobacillus similisbacteriumliquor rum
Lactobacillus spicheribacteriumbread (sourdough)
Lactobacillus suebicusbacteriumfruit
Lactobacillus spp.bacteriumdairy butter
Lactobacillus spp.bacteriumvegetable olive
Lactobacillus sunkiibacteriumvegetable pickle
Lactobacillus tuccetibacteriumdairy
Lactobacillus tuccetibacteriummeat sausage
Lactobacillus vaccinostercusbacteriumfruit
Lactobacillus vaccinostercusbacteriumvegetables
Lactobacillus versmoldesisbacteriummeat sausage
Lactobacillus yamanashiensisbacteriumcider
Lactobacillus yamanashiensisbacteriumwine
Lactococcus lactisbacteriumdairy buttermilk
Lactococcus lactisbacteriumchocolate
Lactococcus lactis ssp. cremorisbacteriumcheese (Cheddar)
Lactococcus lactis ssp. lactisbacteriumcheese
Lactococcus raffinolactisbacteriumcheese
Lactococcus spp.bacteriumdairy butter
Lecanicillium lecaniifunguscheese
Leuconostoc carnosumbacteriummeat
Leuconostoc citreumbacteriumcheese
Leuconostoc citreumbacteriumfish
Leuconostoc fallaxbacteriumvegetable sauerkraut
Leuconostoc holzapfeliibacteriumcoffee
Leuconostoc inhaebacteriumvegetable kimchi
Leuconostoc kimchiibacteriumvegetable kimchi
Leuconostoc lactisbacteriumcheese
Leuconostoc mesenteroidesbacteriumchocolate
Leuconostoc mesenteroidesbacteriumvegetables
Leuconostoc mesenteroides ssp. cremorisbacteriumcheese
Leuconostoc mesenteroides ssp. cremorisbacteriumvegetables
Leuconostoc mesenteroides ssp. dextranicumbacteriumdairy butter
Leuconostoc mesenteroides ssp. dextranicumbacteriumcheese (Idiazabal)
Leuconostoc mesenteroides ssp. dextranicumbacteriumvegetable pickle
Leuconostoc mesenteroides ssp. dextranicumbacteriumcheese (Roncal)
Leuconostoc mesenteroides ssp. mesenteroidesbacteriumcheese (Idiazabal)
Leuconostoc mesenteroides ssp. mesenteroidesbacteriumcheese (Roncal)
Leuconostoc palmaebacteriumliquor palm wine
Leuconostoc pseudomesenteroidesbacteriumdairy butter
Leuconostoc pseudomesenteroidesbacteriumdairy buttermilk
Leuconostoc pseudomesenteroidesbacteriumdairy sour cream
Leuconostoc spp.bacteriumdairy butter
Leuconostoc spp.bacteriumvegetable olive
Leuconostoc spp.bacteriumwine
Macrococcus caseolyticusbacteriumcheese
Macrococcus caseolyticusbacteriummeat sausage
Microbacterium foliorumbacteriumcheese (surface-ripened)
Microbacterium gubbeenensebacteriumcheese (Limburger)
Microbacterium gubbeenensebacteriumcheese (smear-ripened)
Microbacterium gubbeenensebacteriumcheese (Tilsit)
Micrococcus luteusbacteriumcheese
Micrococcus lylaebacteriummeat sausage
Mucor hiemalisfungussoy bean curd
Mucor plumbeusfunguscheese
Mucor racemosusfunguscheese
Mucor racemosusfunguschocolate
Neurospora intermediafungussoy oncom
Oenococcus oenibacteriumwine
Pediococcus acidilacticibacteriummeat sausage
Pediococcus acidilacticibacteriumvegetables
Pediococcus pentosaceusbacteriummeat sausage
Penicillium albumfunguscheese (farmhouse)
Penicillium camembertifunguscheese v
Penicillium caseifulvumfunguscheese
Penicillium chrysogenumfunguscheese
Penicillium chrysogenumfungusmeat sausage
Penicillium communefunguscheese (surface-ripened)
Penicillium nalgiovensefunguscheese
Penicillium nalgiovensefungusmeat ham
Penicillium nalgiovensefungusmeat sausage
Penicillium roquefortifunguscheese
Penicillium solitumfungusmeat
Pichia fermentansfungusdairy
Pichia fermentansfungusdairy kefir
Pichia fermentansfunguswine
Propionibacterium acidipropionicibacteriumcheese
Propionibacterium freudenreichii ssp. freudenreichiibacteriumdairy
Propionibacterium freudenreichii ssp. shermaniibacteriumcheese (Emmental)
Propionibacterium jenseniibacteriumcheese
Propionibacterium thoeniibacteriumcheese
Proteus vulgarisbacteriumcheese (surface-ripened)
Pseudomonas fluorescensbacteriumdairy yogurt
Psychrobacter celerbacteriumcheese
Rhizopus microsporus ssp. oligosporusfungussoy oncom
Rhizopus microsporus ssp. oligosporusfungussoy tempeh
Rhodosporidium infirmominiatumfunguscheese
Rhodotorula glutinisfunguschocolate
Rhodotorula minutafunguscheese (smear-ripened)
Rhodotorula rubrafunguschocolate
Saccharomyces bayanusfungusbeer
Saccharomyces bayanusfunguscider
Saccharomyces bayanusfunguswine
Saccharomyces carlsbergensisfungusbeer (lager)
Saccharomyces cerevisiaefungusbeer (ale)
Saccharomyces cerevisiaefungusbread
Saccharomyces cerevisiaefunguscider
Saccharomyces cerevisiaefunguscheese
Saccharomyces cerevisiaefunguschocolate
Saccharomyces cerevisiaefunguswine
Saccharomyces pastorianusfungusbeer (lager)
Saccharomyces rouziifungussoy miso
Saccharomyces uvarumfungusbeer (lager)
Staphylococcus carnosusbacteriumcheese
Staphylococcus carnosus ssp. carnosusbacteriummeat sausage
Staphylococcus condimentibacteriumsoy
Staphylococcus equorumbacteriummeat
Staphylococcus equorum ssp. linensbacteriumcheese
Staphylococcus fleurettiibacteriumcheese
Staphylococcus piscifermentansbacteriumfish
Staphylococcus saphrophyticusbacteriumcheese (Harzer)
Staphylococcus sciuri ssp. carnaticusbacteriumcheese
Staphylococcus simulansbacteriummeat sausage
Staphylococcus succinusbacteriumdairy
Staphylococcus succinusbacteriummeat
Staphylococcus vitulinusbacteriumcheese
Staphylococcus vitulinusbacteriummeat
Staphylococcus warneribacteriummeat
Staphylococcus xylosusbacteriumcheese
Staphylococcus xylosusbacteriummeat sausage
Streptococcus gallolyticusbacteriumdairy
Streptococcus salivariusbacteriumdairy yogurt
Streptococcus thermophilusbacteriumcheese
Streptococcus thermophilusbacteriumdairy yogurt
Streptomyces griseusbacteriummeat
Streptomyces mobaraensisbacteriummeat, fish[15]
Tetragenococcus halophilusbacteriumsoy miso
Tetragenococcus halophilusbacteriumsoy sauce
Tetragenococcus koreensisbacteriumvegetable kimchi
Torulaspora delbrueckiifunguscheese (smear-ripened)
Torulopsis versatilisfungussoy miso
Thrichosporon beigeliifunguscheese (smear-ripened)
Verticillium lecaniifunguscheese (Tomme)
Weissella beninensisbacteriumliquor cassava
Weissella cibariabacteriumvegetable kimchi
Weissella fabariabacteriumchocolate
Weissella ghanesisbacteriumchocolate
Weissella koreensisbacteriumvegetable kimchi
Weissella paramesenteroidesbacteriummeat sausage
Weissella thailandensisbacteriumfish
Yarrowia lipolyticafunguscheese (Raclette)
Yarrowia lipolyticanot applicablecheese (smear-ripened)
Yarrowia lipolyticafungusdairy
Zygotorulaspora florentinafungusdairy kefir
Zymomonas mobilisbacteriumliquor palm wine
Zymomonas mobilisbacteriumliquor pulque

See also

Notes and References

  1. Microbe Wiki, "Chocolate"
  2. Egon Bech Hansen, Web site: Prof Egon Bech Hansen QPS IDF List Safety Food Microorganisms 11 Slides - Documents . https://web.archive.org/web/20161113175357/http://documents.mx/documents/prof-egon-bech-hansen-qps-idf-list-safety-food-microorganisms-11-slides.html . 13 November 2016 . dead . 28 June 2016 . 2016-11-13 .
  3. Cleenwerck I . Vandemeulebroecke D . Janssens D . Swings J . Re-examination of the genus Acetobacter, with descriptions of Acetobacter cerevisiae sp. nov. and Acetobacter malorum sp. nov. . International Journal of Systematic and Evolutionary Microbiology . 2002 . 52 . 5 . 1551–1558 . 10.1099/00207713-52-5-1551 . 12361257 . free .
  4. Barry A. Law and Adnan Tamime, (2011) Technology of Cheesemaking. John Wiley & Sons, pp. Google Books preview
  5. Robert Wayne Hutkins, (2006) Microbiology and Technology of Fermented Foods. John Wiley & Sons, pp. 75–76. Google Books preview
  6. Arthur P. Riley, (2005) New Developments in Food Policy, Control and Research. Nova Publishers, p. 35. Google Books preview
  7. Christine L. Case, The Microbiology of Chocolate , Skyline College.
  8. Kalidas Shetty, (2006) Food biotechnology. CRC Press, pp. 222, 226, 229. Google Books preview
  9. Schubert . K. . etal . 1996 . Two coryneform bacteria isolated from the surface of French Gruyère and Beaufort cheeses are new species of the genus Brachybacterium: Brachybacterium alimentarium sp. nov. and Brachybacterium tyrofermentans sp. nov . Int J Syst Bacteriol . 46 . 1. 81–7 . 8573524 . 10.1099/00207713-46-1-81 . free .
  10. NOTE: Candida mycoderma, Candida valida, and/or Candida vini are sometimes listed as a starter culture for wine, but this is not true. They only cause 'flowers of wine', a type of wine spoilage.
  11. Hosono, A. and Tokita, F. (1970) "The lipolytic properties of Candida mycoderma and Debaryomyces kloeckeri isolated from Limburger cheese and some properties of the lipases produced by these yeasts." Nihon Chikusan Gakkaiho 41 (10): 519–527.
  12. P. F. Fox, (2004) Cheese: Major Cheese Groups. Academic Press, p. 59, 74. Google Books preview
  13. Book: Sanchez, P.C. . Philippine Fermented Foods: Principles and Technology . University of the Philippines Press . 2008 . 978-971-542-554-4 . 378.
  14. David Hendricks Bergey and David R. Boone, (2009) Bergey's manual of systematic bacteriology, Volume 3: The Firmicutes. Springer–Verlag, p. 502 Google Books preview
  15. Book: Robert J. Whitehurst. Oort. Maarten van. Enzymes in food technology. 2010. Wiley-Blackwell. Chichester, U.K.. 978-1-4443-0994-2. 2nd.