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HÓA HỌC THỰC PHẨM - CHƯƠNG 2 - LIPID - TÔN NỮ MINH NGUYỆT

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3. Caùc acid beùo no<br />

ACID BEÙO<br />

Tính chaát<br />

Lauric<br />

Palmitic<br />

Stearic<br />

Phaân boá, TV<br />

Daàu döøa, daàu coï,<br />

Daàu coï (palm oil)<br />

x<br />

Phaân boá, ÑV<br />

Söõa ngöôøi (5,6%TF)<br />

Söõa boù (2,2%),<br />

söõa deâ (4,5%)<br />

Bô, phomai, söõa, thòt<br />

x<br />

Tính chaát CQ<br />

Dang raén ôû nhieät ñoä<br />

thöôøng, gia nhieät nheï<br />

se chaûy loûng<br />

Dang raén ôû nhieät ñoä<br />

thöôøng<br />

Daïng raén saùp ôû ñieàu<br />

kieän thöôøng, khoâng<br />

co muøi<br />

Ñoä beàn<br />

Khoâng beàn vôùi taùc<br />

nhaân kieàm, oxy hoaù,<br />

khöû<br />

Khoâng beàn vôùi taùc<br />

nhaân kieàm, oxy hoaù,<br />

khöû<br />

Khoâng beàn vôùi taùc<br />

nhaân kieàm, oxy hoaù,<br />

khöû<br />

ÖÙng duïng<br />

Taåy röûa, myõ phaåm<br />

Na lauryl sulfate<br />

Choáng oxy hoaù,<br />

palmitate – retinol<br />

(vit A) cho vaøo söõa<br />

gaày, giuùp vit A theâm<br />

beàn trong söõa<br />

Xaø phoøng, myõ phaåm,<br />

stearate duøng taïo<br />

nhuõ cho daàu goäi<br />

Chaát taïo caáu truùc<br />

cöùng cho keïo<br />

12

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