{"id":120170,"date":"2023-04-03T00:20:37","date_gmt":"2023-04-03T07:20:37","guid":{"rendered":"https:\/\/www.pandasilk.com\/does-silk-come-from-worms\/"},"modified":"2025-01-15T10:33:51","modified_gmt":"2025-01-15T18:33:51","slug":"does-silk-come-from-worms","status":"publish","type":"post","link":"https:\/\/www.pandasilk.com\/cs\/does-silk-come-from-worms\/","title":{"rendered":"Hedv\u00e1b\u00ed: Dar od \u010derv\u016f? Pravda odhalena"},"content":{"rendered":"

Hedv\u00e1b\u00ed, materi\u00e1l zn\u00e1m\u00fd svou jemnost\u00ed a leskem, je op\u0159eden tajemstv\u00edm pro mnoho lid\u00ed. Odkud se vlastn\u011b bere? Odpov\u011b\u010f je p\u0159ekvapiv\u011b jednoduch\u00e1, ale z\u00e1rove\u0148 fascinuj\u00edc\u00ed: ano, hedv\u00e1b\u00ed poch\u00e1z\u00ed z \u010derv\u016f, konkr\u00e9tn\u011b z larev bource moru\u0161ov\u00e9ho (Bombyx mori).<\/p>\n

\u017divotn\u00ed cyklus bource moru\u0161ov\u00e9ho<\/h3>\n

Bourec moru\u0161ov\u00fd proch\u00e1z\u00ed kompletn\u00ed prom\u011bnou, od vaj\u00ed\u010dka p\u0159es larvu a kuklu a\u017e po dosp\u011bl\u00e9ho mot\u00fdla. Pro produkci hedv\u00e1b\u00ed je kl\u00ed\u010dov\u00e9 stadium larvy. Larvy se \u017eiv\u00ed v\u00fdhradn\u011b listy moru\u0161e b\u00edl\u00e9 a b\u011bhem sv\u00e9ho v\u00fdvoje se n\u011bkolikr\u00e1t svl\u00e9kaj\u00ed.<\/p>\n

Produkce hedv\u00e1bn\u00e9ho vl\u00e1kna<\/h3>\n

Po posledn\u00edm svl\u00e9k\u00e1n\u00ed za\u010dne larva vytv\u00e1\u0159et kokon, ve kter\u00e9m se zakukl\u00ed. Kokon je tvo\u0159en jedn\u00edm souvisl\u00fdm vl\u00e1knem hedv\u00e1b\u00ed, kter\u00e9 larva produkuje ve slinn\u00fdch \u017el\u00e1z\u00e1ch. Toto vl\u00e1kno se skl\u00e1d\u00e1 z protein\u016f fibroinu a sericinu.<\/p>\n

Zpracov\u00e1n\u00ed kokon\u016f<\/h3>\n

Aby se z\u00edskalo hedv\u00e1bn\u00e9 vl\u00e1kno, mus\u00ed se kokony zpracovat d\u0159\u00edve, ne\u017e se z nich vyl\u00edhnou mot\u00fdli. Kokony se zah\u0159\u00edvaj\u00ed, aby se usmrtily kukly uvnit\u0159. Pot\u00e9 se nam\u00e1\u010dej\u00ed v hork\u00e9 vod\u011b, aby se rozpustil sericin, kter\u00fd vl\u00e1kna lep\u00ed k sob\u011b. N\u00e1sledn\u011b se vl\u00e1kna z n\u011bkolika kokon\u016f sp\u0159\u00e1daj\u00ed do jedn\u00e9 hedv\u00e1bn\u00e9 nit\u011b.<\/p>\n

Druhy hedv\u00e1b\u00ed<\/h3>\n

Existuj\u00ed r\u016fzn\u00e9 druhy hedv\u00e1b\u00ed, kter\u00e9 se li\u0161\u00ed kvalitou, leskem a texturou. Rozd\u00edly jsou d\u00e1ny druhem bource, jeho stravou a zp\u016fsobem zpracov\u00e1n\u00ed kokon\u016f.<\/p>\n\n\n\n\n\n\n\n
Druh hedv\u00e1b\u00ed<\/th>\nCharakteristika<\/th>\n<\/tr>\n<\/thead>\n
Mulbery hedv\u00e1b\u00ed<\/td>\nNejroz\u0161\u00ed\u0159en\u011bj\u0161\u00ed typ, poch\u00e1z\u00ed z bource moru\u0161ov\u00e9ho krmen\u00e9ho listy moru\u0161e b\u00edl\u00e9. Vyzna\u010duje se jemnost\u00ed a leskem.<\/td>\n<\/tr>\n
Tussah hedv\u00e1b\u00ed<\/td>\nPoch\u00e1z\u00ed z divoce \u017eij\u00edc\u00edch druh\u016f bourc\u016f. Vl\u00e1kno je hrub\u0161\u00ed a m\u00e9n\u011b leskl\u00e9.<\/td>\n<\/tr>\n
Eri hedv\u00e1b\u00ed<\/td>\nZ\u00edsk\u00e1v\u00e1 se z kokon\u016f bource Attacus ricini. Vl\u00e1kno je hrub\u0161\u00ed a m\u00e1 matn\u00fd lesk.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Vyu\u017eit\u00ed hedv\u00e1b\u00ed<\/h3>\n

Hedv\u00e1b\u00ed se pou\u017e\u00edv\u00e1 k v\u00fdrob\u011b \u0161irok\u00e9 \u0161k\u00e1ly produkt\u016f, od od\u011bv\u016f a bytov\u00e9ho textilu a\u017e po chirurgick\u00e9 nit\u011b. Jeho unik\u00e1tn\u00ed vlastnosti, jako je pevnost, jemnost a schopnost termoregulace, ho \u010din\u00ed velmi cen\u011bn\u00fdm materi\u00e1lem.<\/p>\n

Hedv\u00e1b\u00ed a udr\u017eitelnost<\/h3>\n

Produkce hedv\u00e1b\u00ed m\u016f\u017ee b\u00fdt vn\u00edm\u00e1na jako kontroverzn\u00ed kv\u016fli usmrcov\u00e1n\u00ed kukel. Existuj\u00ed v\u0161ak i metody, kter\u00e9 umo\u017e\u0148uj\u00ed z\u00edskat hedv\u00e1b\u00ed, ani\u017e by se kukly po\u0161kodily, nap\u0159\u00edklad tzv. "Ahimsa hedv\u00e1b\u00ed". <\/p>\n

Hedv\u00e1b\u00ed je fascinuj\u00edc\u00ed materi\u00e1l s bohatou histori\u00ed a komplexn\u00edm procesem v\u00fdroby. Od chovu bource moru\u0161ov\u00e9ho a\u017e po kone\u010dn\u00fd produkt je cesta hedv\u00e1b\u00ed pln\u00e1 zaj\u00edmav\u00fdch detail\u016f, kter\u00e9 odhaluj\u00ed \u00fa\u017easnou souhru p\u0159\u00edrody a lidsk\u00e9 ingenuity. A\u010dkoliv se m\u016f\u017ee zd\u00e1t p\u0159ekvapiv\u00e9, \u017ee tak luxusn\u00ed materi\u00e1l poch\u00e1z\u00ed z nen\u00e1padn\u00e9ho \u010derva, je to pr\u00e1v\u011b tento p\u016fvod, kter\u00fd hedv\u00e1b\u00ed \u010din\u00ed tak jedine\u010dn\u00fdm.<\/p>\n","protected":false},"excerpt":{"rendered":"

Hedv\u00e1b\u00ed, materi\u00e1l zn\u00e1m\u00fd svou jemnost\u00ed a leskem, je op\u0159eden tajemstv\u00edm pro mnoho lid\u00ed. Odkud se vlastn\u011b bere? Odpov\u011b\u010f je p\u0159ekvapiv\u011b jednoduch\u00e1, ale z\u00e1rove\u0148 fascinuj\u00edc\u00ed: ano, hedv\u00e1b\u00ed poch\u00e1z\u00ed z \u010derv\u016f, konkr\u00e9tn\u011b z larev bource moru\u0161ov\u00e9ho (Bombyx mori). \u017divotn\u00ed cyklus bource moru\u0161ov\u00e9ho Bourec moru\u0161ov\u00fd proch\u00e1z\u00ed kompletn\u00ed prom\u011bnou, od vaj\u00ed\u010dka p\u0159es larvu a kuklu a\u017e po dosp\u011bl\u00e9ho mot\u00fdla.<\/p>\n","protected":false},"author":1,"featured_media":89672,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37823],"tags":[],"class_list":["post-120170","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faqs-cs","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts\/120170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/comments?post=120170"}],"version-history":[{"count":0,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts\/120170\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/media\/89672"}],"wp:attachment":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/media?parent=120170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/categories?post=120170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/tags?post=120170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}