（一）猪肠衣的商品要求

(1) the demand for the goods of the casing of a pig

　　收购原肠的要求，主要应掌握5点：①色泽新鲜，无异臭味；②猪小肠必须两端完整，大小头齐全，不带破损；每根长度在14米以上；③不沾泥沙与杂物；④病死猪的小肠、虫肠、粉肠不得收购；⑤收购来的厚肠，既不能放在金属容器内，也不能干堆在一起，要浸漂于清水之中。

The demand of the original intestine should be mastered at 5 points. The small intestine must be complete and complete without breakage. Each length is more than 14 meters; Without dirt and dirt; The small intestine, insect intestines and intestines of the diseased pig may not be purchased; The thick intestine, which is bought, cannot be placed in a metal container, nor can it be dried together.

　　加工猪肠衣的半成品，其色泽分为5种，即"上三色"（白色、乳白色、淡粉红色）、"下两色"（黄白色、灰白色）.尤以"上三色"品质为最佳。成品肠衣应该是薄而透明，无破损，色淡黄，无异味，量码、分路等应合乎所规定的要求。

Hog casing processing of semi-finished products, its colour and lustre is divided into 5 types, namely "three color" (white, ivory, light pink), "the next two color" (yellow-white, gray). Especially in the "three color on the" quality is the best. The finished casing should be thin and transparent, no damage, no color, no smell, no smell, no amount, no circuit, etc.

　　（二）猪肠衣的制作

(2) the production of the hog casing

　　1.取肠去油 猪原肠应采自经兽医检验的健康无病的生猪，屠宰时取出内脏，将小肠的一头割断，在其未冷却之前及时扯肠，以一手抓住小肠，另一手捏住油边慢慢地往下扯，使油与小肠分离，要求不破不断，全肠完整。

1. Bowel to oil Pig archenteron shall adopt commit suicide by hanging oneself healthy and disease-free pig veterinary inspection, slaughter, gutted a head cut off, the small intestine in the im before cooling off in time, to seize the small intestine, another hand hold the oil edge tear down slowly, make the oil separated from the small intestine, asked not to be worn continuously, all im full.

　　2.排除肠内容物 扯完油后的小肠尚有一定温度，不能堆积，必须立即将肠内容物捋净。但用劲不能太猛，以免拉断。

It is necessary to clear the contents of the intestine immediately after removing the contents of the intestine from the oil. But don't try too hard to pull it off.

　　3.灌水冲洗 捋净肠内容物后，即将肠用清水灌洗干净，以免发生"粪蚀",影响肠衣品质。

After irrigating the contents of the intestine, the intestine will be rinsed with clean water, so as not to be affected by "fecal erosion", which affects the quality of the casing.

　　4.浸洗 从原肠的一端灌入清水，将水赶至中间，然后将肠挽成一扣，穿在木棍上，木棍搁在水缸（桶）口上，将肠浸没在水缸中。浸洗时应不时用木棍或手上下垂直掏动，但不能让肠与缸边碰擦。浸洗的目的是使组织松软，以便刮制；浸洗时间应根据气候，肠质等具体情况掌握，但不能过长，防止发酵。瓦缸以清水浸泡，春、夏、秋季泡1天即可，冬天要泡1天以上，最多不能超过3天，同时要坚持每天换水。

4. Baptism from one end of the archenteron pumping water, the water rushed to the middle, then im into a buckle, wear on the stick, stick on the tank (barrel), im will be submerged in the water tanks. When baptizing, should occasionally use stick or hand descend perpendicular to move, but can't let bowel and cylinder edge touch wipe. The purpose of baptism is to make the tissue soft and to scrape; The baptizing time should be controlled according to the climate, the intestinal quality and so on, but not too long to prevent fermentation. The cylinder is soaked in clear water, spring, summer, autumn bubble one day, the winter should bubble for more than one day, not more than 3 days, at the same time insist daily change water.