THE UTILIZING OF RENNET ENZYMES and Lactobacillus plantarum YN 1.3 BACTERIA ON SENSORY CHARACTERISTICS OF CHEESE. This research aims to determine the utilizing of rennet enzymes and Lactobacillus plantarum YN 1.3 bacteria on sensory characteristics of cheese. This experiment using  a completely randomized design (CRD) with treatments level of rennet enzymes 10%, 8%, 6%, 4%, 2% and Lactobacillus plantarum YN 1.3 bacteria on 0%, 2%, 4%, 6%, 8% levels, which is each treatment repeated as much as 40 of replications (panelists) with hedonic method used. The result showed that the utilizing of rennet enzyme and Lactobacillus plantarum YN 1.3 bacteria gives highly signifant different effects (P<0,01) on cheese color, aroma, texture and  flavor. Based on the results of data analysis and discussions, can be concluded that cheese with rennet enzyme 2% and Lactobacillus plantarum YN 1.3 bacteria 8%, is the best performs and most preferred to panelists.Key words: Cheese, Rennet Enzyme, Lactobacillus plantarum YN 1.3.

SENSORY QUALITY OF ICE CREAM ADDED BY RED DRAGON FRUIT (Hylocereus polyrhizus). The study was conducted to determine the addition of red dragon fruit on the sensory quality of ice cream. This study used UHT  milk, milk of skim milk, whipped cream, gelatin powder, aquades, granulated sugar, egg yolks and 16 dragon fruit. The design used was a Completely Randomized Design (CRD) consisting of 5 treatments and 40 replications. The variables analyzed in this study were sensory quality (color, aroma, texture, taste). Data obtained were analyzed using ANOVA. The significant differences between treatments were tested by the BNJ test. The results indicated that the red dragon fruit in the treatments of R0, R1, R2, R3, and R4 gave a very significant influence (P <0.01) on color, aroma, texture, and taste of ice cream and the results of BNJ's further test showed R4 treatment (40% red dragon fruit) had the best results on the sensory properties of ice cream. Therefore, it was concluded that the addition of 40% red dragon fruit provided good sensory quality of ice cream. Keywords: Ice cream, Red Dragon Fruit, Sensory Properties

UTILIZATION OF SEVERAL SUCROSE LEVELS ON SENSORY CHARACTERISTICS OF COWS MILK. The present study was conducted to investigate the utilization of several sucrose levels on sensory characteristics of cow milk kefir. Materials used in the study were: UHT milk, grain kefir, skim milk, sucrose, distilled water (aquadest), alcohol, spiritus or methylated spirit.  A Completely Randomized Design (CRD) with 5 treatments and 40 replications (panelists) was used in the present study. Treatments were formulated as follow: A0= sucrose 0% + grain kefir 5%, A1= sucrose 2% + grain kefir 5%, A2= sucrose 4% + grain kefir 5%, A3= sucrose 6% + grain kefir 5%, and A4= sucrose 8% + grain kefir 5%. Sensory test was conducted using hedonic scales. Variables measured were: sensory characteristics consisted of colors, aroma, viscosity, and taste. Tukey test was further employed to analyze treatment differences. Different between treatment(s) was declared at P < 0.05.  Research results showed that sucrose levels at 0%, 2%, 4%, 6%, 8% treatments gave a significant effect (P < 0.01) on aroma, viscosity, and taste, but color was not affected (P > 0.05) by treatments. It can be concluded that the utilization of sucrose at the level of 6% (A3) as most preferred by panelists based on sensory characteristics colors, aroma, viscosity, and taste. Keywords : Kefir, Grain Kefir, Sucrose, Sensory

THE EFFECT OF THE ADDITION OF HONEY TO THE PH VALUE, SYNERESIS AND TOTAL LACTIC ACID BACTERIA OF SINBIOTIK YOGURT. This study was conducted to determine whether honey gives an influence on the pH value, syneresis and LAB of synbiotic yogurt. In this study, the main ingredients used were 5 liters UHT milk, Skim milk 400 g, honey 240 mL, Lactobacillus acidophillus bacteria, Streptococcus thermophilus and Lactobacillus bulgaricus, aqudes, MRS Media (Man Rogosa Sharpe Medium). Equipment used during the study included autoclave, pH meter, Erlenmeyer, test tube, pipette, thermometer, analytical scale, petri dishe, desiccator, blender, oven, incubator, micro pipette, burette, spritus lamp, goblet, refrigerator. This research was carried out on January 7 2019 until March 12 2019 at the Laboratory of Animal Product Technology Faculty of Animal Husbandry, Sam Ratulangi University, Manado. The experimental design used in this study was a Completely Randomized Design (CRD) method with treatments 5 and 4 replications. The variables analyzed in this study are pH, Sinereis and Total LAB. The data obtained were analyzed using ANOVA, there were significant differences between the treatments followed by the BNJ test. The results of this study indicate that the treatments of P0(0%), P1(3%), P2(6%), P3(9%) and P4(12%) have a very significant effect (P <0.01) on the pH value, Sineresis and Total LAB. Based on the results and discussion that the use of honey by 12% can increase the value and produce the best pH, syneresis and total lactic acid bacteria in synbiotic yogurt.Keywords: Sinbiotic Yogurt, Honey, pH, Sinresis, LAB.

CHARACTERISTICS OF ICE CREAM USING STARTER OF PROBIOTIC BACTERIA Streptococus thermophilus and Lactobacillus acidophilus. This study aimed to determine the effect of the use of probiotic bacteria, namely Streptococcus thermophilus and Lactobacillus acidophilus as a starter on the characteristics ice cream. This experiment was arranged in Completely Randomized Design, with four treatments and five replications. Such treatmentis the different levels of starter A1=0%, A2=3%, A3=6%, and A4=9%. Data were analized by variance analysis. The results of experiment showed that the total of lactic acid bacteria ranged from 1.49  to 7.08 (log cfu/ml), the pH ranged from 5.24 to 5.67, while overrun ranged from 25.62 to 31.47%. The Results of analysis showed that the starter level of 0%, 3%, 6% and 9% gave a highly significant effect (P <0.01) on  total of lactic acid bacteria, pH, and overrun. The counclution of this research  was ice cream using a starter streptococcus thermophilus and  Lactobacillus acidophilus at the level of  9% is the best ice cream on physical , and microbiological test. Key word: Probiotic bacteria, ice cream,  starter, total of lactic acid bateria, pH, overrun.