Application of lipoic acid as antioxidant in ethyl polyenoate preparation or pupal fat alpha-ethyl linolenate preparation
A technology of ethyl polyenoate and ethyl linolenic acid is applied in the application field of lipoic acid as antioxidant in ethyl polyenoate preparation or pupa oil ethyl alpha-linolenic acid preparation, and can solve the problem of high degree of unsaturation. , Antioxidant effect is not ideal, etc.
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Embodiment 1
[0019] Embodiment 1 lipoic acid and vitamin E are compared as the effect in the antioxidant substance of polyenoic acid ethyl ester and pupal oil α-linolenic acid ethyl ester
[0020] Test method: Place 1kg each of polyenoic acid ethyl ester and pupa oil α-linolenic acid ethyl ester in a general open container respectively, add 0.5% lipoic acid or vitamin E to the drug to be tested, mix well, Make it contact with the air, and detect the change of peroxide value after half an hour.
[0021] Experimental results: the polyenoic acid ethyl ester with vitamin E was opened in the air. After half an hour, the peroxygen value had exceeded the standard (that is, the consumption of 0.01mol / L sodium thiosulfate titration solution > 15.0mL), and the lipoic acid was added Ethyl polyenoate, the opening is placed in the air for half an hour, and the peroxide value has no obvious change.
Embodiment 2
[0022] Example 2 Lipoic acid and vitamin E as the effect comparison in the antioxidant substances of polyenoic acid ethyl ester and pupa oil α-linolenic acid ethyl ester soft capsule
[0023] Test method: Add 1% lipoic acid or vitamin E to 1kg each of the drug to be tested, polyenoic acid ethyl ester and pupa oil α-linolenic acid ethyl ester, mix well and prepare soft capsules, store for one month under standard conditions, and test Changes in peroxide value.
[0024] Test results: After adding vitamin E ethyl polyenoate soft capsules and pupa oil α-linolenic acid ethyl ester soft capsules, after one month, the peroxide value of polyenoate ethyl increased from 3.44 to 4.10, pupa oil α- The peroxide value of ethyl linolenate increased from 1.50 to 2.05. The polyenoic acid ethyl ester with lipoic acid and pupae oil α-linolenic acid ethyl ester were sealed in soft capsules respectively. After one month, the peroxide value did not change significantly. .
[0025] From above-ment...
Embodiment 3
[0027] Get polyenoic acid ethyl ester crude drug 10kg, add the lipoic acid solid of 50g (being equivalent to 0.5% of medicinal liquid), after mixing, expose to the air and place after 30 minutes, the peroxide value increases by 0.3.
[0028] The polyenoic acid ethyl ester medical solution added with the lipoic acid is immediately sealed and packaged in a soft capsule, and stored for one month under standard storage conditions, the peroxide value of the medicinal solution in the capsule has no obvious change.
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Abstract
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