a) Method of sampling and sample preparation<\/strong><\/span> Sample preparation for microbiological test: Unpack example tapioca and aseptically grab samples of 400 g and place in a sterile sample bottle.<\/span> Preparation examples for organoleptic test: Unpack example tapioca and grab samples to taste and place in a sample bottle clean and dry.<\/span> Sample preparation for chemical analysis: Unpack tapioca and grab samples of 400 g and then placed in sample bottles are clean and dry.<\/span><\/p>\n b) The principle of the test<\/strong><\/span> (2) The ash content is calculated based on the weight of the ash formed during the combustion in the furnace at a temperature of (550 + 5) \u00b0 C until a white ash.<\/span><\/p>\n (3) levels of crude fiber is the part that can not be hydrolyzed by sulfuric acid (H2SO4 1.25%) and sodium hydroxide (NaOH 3.25%).<\/span> Sections were calculated gravimetrically.<\/span><\/p>\n (4) The starch content is hydrolysis of carbohydrates into monosaccharides that can reduce Cu2 + to Cu +.<\/span> Excess Cu 2+ can be iodometri dititar.<\/span><\/p>\n (5) The degree of white is light reflection measurement standard sample with MgO<\/span><\/p>\n (6) The degree of dissolution of the acid are organic acids in a sample by using certain organic solvents (alcohol 95%) followed by penitaran with alkali (NaOH).<\/span><\/p>\n (7) Metal Contamination of Cadmium (Cd) and lead (Pb), namely destruction example by dry ashing at a temperature of 450 \u00b0 C followed by dissolution in acid solution.<\/span> Dissolved metal calculated using the tool Atomic Absorption Spectrophotometer (AAS) with a maximum wavelength of 228.8 nm to 283.3 nm for Cd and Pb.<\/span><\/p>\n (8) Contamination metal tin (Sn) is an example didekstruksi with HNO3 and HCl then add KCl to reduce interference.<\/span> Sn read using Atomic Absorption Spectrophotometer (AAS) at a wavelength of 235.5 nm with a maximum of N2O-C2H2 flame oxidation.<\/span><\/p>\n (9) of metal contaminants Mercury (Hg) is a reaction between mercury compounds with NaBH4 or SnCl2 under acidic conditions to form the atomic gas Hg.<\/span> The amount of Hg formed Hg proportional to the absorbance is read using Atomic Absorption Spectrophotometer (AAS) without flame at a wavelength of 253.7 nm maximum.<\/span><\/p>\n (10) Microbial Contamination: The figure of total plate that is aerobic mesophyll bacteria growth after the sample was incubated in the appropriate seeding for 48 hours at a temperature (35 \u00b1 1) \u00b0 C.<\/span><\/p>\n (11) Microbial Contamination: Escherichia coli is Escherichia coli growth is characterized by the formation of gas in the Durham tube, followed by biochemical tests and further referenced in Table APM (Figures Most Likely).<\/span><\/p>\n","protected":false},"excerpt":{"rendered":" a) Method of sampling and sample preparation Sampling method in accordance with ISO 0428, manual sampling solids. While the sample preparation for testing the quality of tapioca according to SNI 01-3451-2011 consists of sample preparation for microbiological tests, organoleptic and chemical analysis. Sampling for microbiological testing performed first, followed by sampling for organoleptic and chemical …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1820],"tags":[618,625,623,626,621,627,622,620,619,624],"class_list":["post-450","post","type-post","status-publish","format-standard","hentry","category-english","tag-tapioca-good","tag-tapioca-good-during-pregnancy","tag-tapioca-good-for-babies","tag-tapioca-good-for-diabetics","tag-tapioca-good-for-dogs","tag-tapioca-good-for-gout","tag-tapioca-good-for-pregnancy","tag-tapioca-good-for-stomach","tag-tapioca-good-for-you","tag-tapioca-goodness"],"_links":{"self":[{"href":"https:\/\/www.tneutron.net\/pangan\/wp-json\/wp\/v2\/posts\/450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tneutron.net\/pangan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tneutron.net\/pangan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tneutron.net\/pangan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tneutron.net\/pangan\/wp-json\/wp\/v2\/comments?post=450"}],"version-history":[{"count":1,"href":"https:\/\/www.tneutron.net\/pangan\/wp-json\/wp\/v2\/posts\/450\/revisions"}],"predecessor-version":[{"id":3175,"href":"https:\/\/www.tneutron.net\/pangan\/wp-json\/wp\/v2\/posts\/450\/revisions\/3175"}],"wp:attachment":[{"href":"https:\/\/www.tneutron.net\/pangan\/wp-json\/wp\/v2\/media?parent=450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tneutron.net\/pangan\/wp-json\/wp\/v2\/categories?post=450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tneutron.net\/pangan\/wp-json\/wp\/v2\/tags?post=450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n Sampling method in accordance with ISO 0428, manual sampling solids.<\/span> While the sample preparation for testing the quality of tapioca according to SNI 01-3451-2011 consists of sample preparation for microbiological tests, organoleptic and chemical analysis.<\/span> Sampling for microbiological testing performed first, followed by sampling for organoleptic and chemical tests.<\/span><\/p>\n
\n Perinsip tapioca quality testing for the state test parameters (shape, smell, color) is the observation of the sample with the five senses conducted by panelists who have competence organoleptic testing.<\/span> The principle of quality Pengujan tapioca quantitatively according to SNI 01-3451-2011 are as follows:<\/span>
\n (1) The moisture content is calculated based on weight lost during heating in an oven at temperature (130 \u00b1 3) \u00b0 C.<\/span><\/p>\n