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A28    SCIENCE
                   Wednesday 10 July 2019

            Under a microscope: Startups grow meat in lab, face scrutiny


            By TERENCE CHEA              A  report  released  in  June   becoming  a  commercial  cultured  fish  and  seafood.  Safety. “It will be important
            Associated Press             by consulting firm A.T. Kear-  reality  because  there  are  It’s  produced  cell-based  for  the  public  that  this  be
            EMERYVILLE,  Calif.  (AP)  —                                                                                        well  regulated,”  Hanson
            Uma  Valeti  slices  into  a                                                                                        said. “Do these really solve
            pan-fried chicken cutlet in                                                                                         the  environmental  prob-
            the  kitchen  of  his  startup,                                                                                     lem?  Do  they  really  solve
            Memphis  Meats.  He  sniffs                                                                                         the  animal  welfare  prob-
            the  tender  morsel  on  his                                                                                        lem? That needs to be part
            fork  before  taking  a  bite.                                                                                      of the review as well.”
            He chews slowly, absorbing                                                                                          If  cultured-meat  compa-
            the taste.                                                                                                          nies  use  genetically  modi-
            “Our  chicken  is  chicken  ...                                                                                     fied cells, they would face
            you’ve got to taste it to be-                                                                                       even  greater  scrutiny  from
            lieve it,” Valeti says.                                                                                             consumers  and  govern-
            This is no ordinary piece of                                                                                        ment  regulators,  Hanson
            poultry.                                                                                                            said.
            No  chicken  was  raised  or                                                                                        Cell-based  meat  compa-
            slaughtered to harvest the                                                                                          nies  also  face  resistance
            meat.                                                                                                               from U.S. livestock produc-
            It was produced in a labo-                                                                                          ers,  who  have  been  lob-
            ratory  by  extracting  cells                                                                                       bying  states  to  restrict  the
            from  a  chicken  and  feed-                                                                                        “meat” label to food prod-
            ing them in a nutrient broth                                                                                        ucts  derived  from  slaugh-
            until  the  cell  culture  grew                                                                                     tered  animals  and  have
            into raw meat.                                                                                                      been    raising   questions
            Memphis  Meats,  based                                                                                              about the safety, cost and
            in  Emeryville,  California,  is                                                                                    environmental  effect  of
            one  of  a  growing  number                                                                                         cultured meat.
            of  startups  worldwide  that                                                                                       “There’s  still  many,  many
            are  making  cell-based  or   In this photo taken March 1, 2019, lab technician Ismael Montanez points to fish cells on screen   unknowns   about   these
            cultured meat.               in the laboratory of Finless Foods, a startup that’s developing cell-based fish in Emeryville, Calif.   cell-based  products,”  said
            They want to offer an alter-                                                                       Associated Press  Eric  Mittenthal,  vice  presi-
            native  to  traditional  meat                                                                                       dent for sustainability at the
            production  that  they  say  ney  predicts  that  by  2040,   many  hurdles  we  have  to  versions  of  salmon,  carp  North American Meat Insti-
            is  damaging  the  environ-  cultured meat will make up   tackle,”  said  Ricardo  San  and sea bass, and it’s work-  tute.
            ment  and  causing  unnec-   35  percent  of  meat  con-  Martin, research director of  ing on bluefin tuna, a pop-  “We really don’t know if it’s
            essary harm to animals, but  sumed  worldwide,  while     the  alternative  meat  pro-  ular  species  that  is  over-  something  consumers  will
            they  are  far  from  becom-  plant-based   alternatives   gram  at  the  University  of  fished  and  contains  high  accept  from  a  taste  per-
            ing  mainstream  and  face  will compose 25 percent.      California, Berkeley.        levels of mercury.           spective. We don’t know if
            pushback  from  livestock  “The  large-scale  livestock   “We don’t know if consum-    The  company  has  invited  it’s going to be affordable.”
            producers.                   industry is viewed by many   ers are going to buy this or  guests  to  sample  its  cell-  Uma  Valeti  at  Memphis
            “You  are  ultimately  going  as  an  unnecessary  evil,”   not.”                      based fish cakes.            Meats  said  he  wants  to
            to  continue  the  choice  of  the report says.           As  global  demand  for  “The  ocean  is  a  very  frag-  help   educate     people
            eating meat for many gen-    “With   the   advantages     meat grows, supporters say  ile ecosystem, and we are  about  the  benefits  of  cell-
            erations  to  come  without  of  novel  vegan  meat  re-  cell-based  protein  is  more  really driving it to the brink  based  meats  and  eventu-
            putting undue stress on the  placements  and  cultured    sustainable than traditional  of collapse,” CEO Michael  ally open up its production
            planet,”  said  Valeti,  a  for-  meat  over  conventionally   meat  because  it  doesn’t  Selden said.             facility to show people how
            mer  cardiologist  who  co-  produced meat, it is only a   require the land, water and  “By  moving  human  con-    its meat is made.
            founded  Memphis  Meats  matter of time before meat       crops needed to raise live-  sumption  of  seafood  out  The company is focused on
            in  2015  after  seeing  the  replacements  capture  a    stock — a major source of  of  the  ocean  and  onto  reducing  the  cost  of  cul-
            power of stem cells to treat  substantial market share.”  greenhouse gas emissions.    land and creating it in this  tured meat and producing
            disease.                     But first cultured meat must   Many  consumers  would  cleaner way, we can basi-       larger quantities.
            The  company,  which  also  overcome significant chal-    love  to  eat  meat  that  cally  do  something  that’s  A  plate  of  chicken  that
            has  produced  cell-grown  lenges,  including  bringing   doesn’t  require  killing  ani-  better for everybody.”   used  to  cost  tens  of  thou-
            beef  and  duck,  has  at-   down  the  exorbitant  cost   mals,  said  Brian  Spears,  The   emerging    industry  sands of dollars to produce
            tracted  investments  from  of    production,  showing    who  founded  a  San  Fran-  moved  a  step  closer  to  can now be made for less
            food giants Cargill and Ty-  regulators it’s safe and en-  cisco  startup  called  New  market in March when the  than $100, Valeti said.
            son Foods as well as billion-  ticing consumers to take a   Age  Meats  that  served  its  U.S. Department of Agricul-  Memphis  Meats  hopes  to
            aires  Richard  Branson  and  bite.                       cell-based  pork  sausages  ture and the Food and Drug  sell  its  cell-based  meat
            Bill Gates.                  “We’re a long way off from   to curious foodies at a tast-  Administration  announced  within  the  next  two  years,
                                                                      ing last September.          plans to jointly oversee the  starting  with  restaurants,
                                                                      “People  want  meat.  They  production and labeling of  then  moving  into  grocery
                                                                      don’t   want    slaughter,”  cell-based meat.             stores,  assuming  it  passes
                                                                      Spears said.                 Food-safety advocates will  USDA and FDA inspections.
                                                                      “So  we  make  slaughter-    be watching to ensure the  “We’re  actually  preserving
                                                                      free  meat,  and  we  know  agencies  provide  rigorous  the choice of eating meat
                                                                      there’s  a  massive  market  oversight and protect peo-   for people,” Valeti said.
                                                                      for  people  that  want  deli-  ple from bacterial contam-  “Instead of saying, ‘Give up
                                                                      cious meat that doesn’t re-  ination  and  other  health  eating meat or eat a meat
                                                                      quire animal slaughter.”     threats,  said  Jaydee  Han-  alternative,’  we’re  saying
                                                                      Finless Foods, another start-  son,  policy  director  at  the  continue  eating  the  meat
                                                                      up  in  Emeryville,  is  making  nonprofit  Center  for  Food  that you love.”q
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