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Jurnal Teknologi Industri Pertanian Pub Date : 2019-10-21 DOI:10.24961/J.TEK.IND.PERT.2019.29.2.114

Hendy Suryandani, Indah Yuliasih, dan Titi Candra Sunarti

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摘要

紫甘薯(Ipomoea batatas L. Poir)花青素是一种天然着色剂，具有抗氧化、抗菌、抗诱变、抗癌等功能特点。紫薯花青素存在pH、温度、光照等条件下易降解的缺点，但可以通过添加载体剂加以改善。醋酸化淀粉是一种变性淀粉，因其能最大限度地减少活性化合物的减少而具有作为载体的潜力。研究方法为原料的制备与表征，浆料与醋酸淀粉载体配比的确定(10:1;10:2和10:3)，应用醋酸淀粉作为浆液、滤液和紫薯浆的花青素载体剂，并对粉末花青素进行温度和ph稳定试验。该组成原料基料含水分(79.09 ~ 93.51%)、碳水化合物(5.63 ~ 20.18%)、淀粉(4.96 ~ 19.22%)，花青素含量为7.74 ~ 11.58 mg/100 g。浆料与淀粉的比例为10:1，色度为18.48，色度为334.75。在稳定阶段，浆体的花青素含量为9.87 mg / 100 g，水分含量为2.99%，色度为15.92，色度为342.38，在加热温度为80℃，pH为3 ~ 4时稳定，在80℃时溶解良好。结果表明，醋酸化淀粉对紫薯花青素在浆体中的结合比在滤液和浆体中的结合更稳定。关键词:花青素，载体剂，醋酸淀粉

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APLIKASI PATI ASETAT SEBAGAI CARRIER AGENT ANTOSIANIN DARI UBI JALAR UNGU

Purple sweet potato (Ipomoea batatas L. Poir) anthocyanins is a source of natural colorant which has functional characteristic such as antioxidant, antibacterial, antimutagenic and anticarcinogen functions. The weaknesses of purple sweet potato anthocyanins are easily to degradation by pH, temperature, and light, but it can be improved by adding carrier agent. Acetilated starch is one of modified starch that has potential to be a carrier agent because of its ability to minimize decreasing active compound. The methodologies of the research were preparation and characterization of raw material, determination of the ratio of slurry and starch acetate carrier agent (10: 1; 10: 2 and 10: 3), application of starch acetate as anthocyanin carrier agent of slurry, filtrate and purple sweet potato pulp, and powder anthocyanin stabilized test to temperature and pH. The composition raw based material contained moisture content (79.09 - 93.51%), carbohydrates (5.63 - 20.18%), starch (4.96 - 19.22%), and anthocyanin content of 7.74 - 11.58 mg/100 g. The ratio of slurry and starch 10:1 gave Chroma of 18.48 and oHueof 334.75. In stabilization stage, slurry form produced the best characteristics i.e. anthocyanins content of 9.87 mg / 100 g, moisture content of 2.99%, Chroma of 15.92, oHue of 342.38, stable at a heating temperature of 80 oC and pH of 3 - 4 and also dissolved well at 80oC. The result showed that acetilated starch binds purple sweet potato anthocyanins in slurry form more stable than those in filtrate and pulp.Keywords: anthocyanins, carrier agent, acetate starch

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Jurnal Teknologi Industri Pertanian

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