Durian, mangosteen hte mango zawn re ai hka lum ai shara na namsi namsaw ni hta hka hte pectin law law lawm nna, shinggyim namsi namsaw ni hta eutectic points grau yawm ai. N kaja ai arung arai ni hpe gram lajang ai (sh) process parameters ni a majaw, chyahkring hkring hkrat sum mat ai, ntsa lam htum mat ai hte sau pru wa ai lam ni byin chye ai. Hten za mat sai arung arai ni hpe manu kaji ai hku dut ra ai, dai gaw Thailand hte Malaysia mungdan ni hta tropical‐fruit galaw shapraw ai ni a matu galaw shapraw ai lam hta hkam sha yak hkak ai lam langai rai nga ai. Hpaga rung law law gaw, n-gun ja ai berry ni a matu freeze‐drying curve ni hpe hkrak copy galaw nna, n kaja ai arung arai ni hte n-gun n rawng ai arung arai ni hpe grai hkra machyi shangun ai.
Shawng nnan, pre‐freeze galaw ai lam ni hpe galaw ai. Sugar law ai raw‐materials ni gaw, n-gun n law ai hpang jahtum na katsi ai nbung laru hte, pulp kata na lawt lu ai hte shinggrup da ai hka yawng hpe, ngang grin ai ngang kang ai hka n-gun ni de galai shai wa hkra, hkam la ai aten law law ra ai. N hkum tsup ai pre‐freezing gaw, arung arai ni a kata kaw n htum n wai ai hka n-gun hpe tawn da ya ai. Sublimation galaw ai shaloi vacuum npu kaw na local melting gaw hkrat sum ai lam hpe hkrak shabyin ya na re. Dai hta n-ga, freezing speed hpe grai lawan ai hku n mai galaw ai; ultra‐rapid freezing kaw na pru wa ai hka htung kaji ni gaw pulp cell ni hpe htu nna, dai hpang sau hka lim wa shangun ai.
Lahkawng ngu na hta, vacuum‐sublimation ladat hpe jai lang ai. Ultra‐high vacuum gaw grau kaja ai hte n bung ai. Durian hte mangosteen ni a matu, n-gun n law ai shara hta n-gun rawng ai n-gun rawng ai ladat hpe grau ra sharawng ai. Extreme vacuum hpe myi nmu ai sha hkan shachyut ai gaw, npu na hka hpe grai lawan ai hku sublime byin shangun nna, shinggan de hka n-gun pru wa ai hpe pat shingdang ai hard shell byin shangun ai. Built‐up kata na n-gun gaw pulp hpe shinggrup nna hkrat sum shangun ai. Shelf‐temperature hkrak ai lam gaw ±1℃du hkra rai ra ai, dai gaw tray yawng hta maren mara katsi lu na matu re. Aten kadun laman shelf‐temperature rawt jat wa ai hpe grai koi gam ra ai.
Masum ngu na hta, tray‐loading n-gun hpe hkang ai. Over‐thick material layers ni gaw hka n-gun pru wa ai hte katsi ai hpe htawt sit ai lam hpe pat shingdang ya ai. Shinggan layer gaw core hta hka law law naw rawng nga ai aten hta hkyet mat ai majaw, hkrat sum na hte sau pru wa na hkrit tsang hpa kaba byin wa ai. Mass‐production hta durian pulp a matu, htuk manu ai garan ginhka ai n-gun hpe tawn da nna, pulp kaba ni hpe shinggyin tawn da ai hpe koi ra ai. Tray n-gun rawng ai majaw byin wa ai lahkawng lang ngu na hkra machyi ai lam hpe shayawm na matu, flat 304 food‐grade tray ni hpe lang u.
Mali ngu na hta, raw‐material hpe garan ginhka ai lam hpe hparan ai lam. Durian hte mango ni hta n bung ai hkai lu hkai sha ai lam ni gaw, sugar hte pectin hta grai shai hkat ai hpe madun dan ai. Over‐ripe pulp gaw viscosity grau law nna, hkrat sum na hkrit tsang lam grau law ai. Hpaga rung ni gaw shang wa ai namsi namsaw ni hpe grade galaw nna, hkai lu hkai sha ai lam hpe gingdan ai shadawn shadang kata kaw tawn da ra ai. N bung ai hkai lu hkai sha ai batch ni kaw na raw‐materials ni hpe freeze‐drying run langai hta n mai kayau ai; full‐set process curve ni hpe dai hte maren fine‐tuning galaw ra ai.
Hpang jahtum, mass‐production garai n galaw shi yang, kaji kajaw arung arai ni hpe chyam dinglik na matu grai tsun shadut da ai. Dai majaw, n-gun n rawng ai arung arai ni a masa hte maren, n-gun n rawng ai, n-gun rawng ai hte n-gun rawng ai n-gun rawng ai curve ni hpe calibrate galaw u. Hardware a bungli galaw ai lam, process parameters hte raw‐material hpe hparan ai lam ni hpe kahkyin gumdin ai hku nna sha, jak rung ni gaw, n hkrat sum ai hkrang hte sau n law ai, n-gun ja ai freeze‐dried tropical namsi namsaw ni hpe ngang grin ai hku galaw shapraw lu na re.
