Performance of different levels of yeast and sugar on production and quality of Apple cider

Introduction

The most significant temperate fruit is the apple (Malus x domestica Borkh). Additionally noteworthy is Apple's ability to treat a variety of chronic ailments. In the Eastern Mediterranean region, apple juice has been fermented for over 2000 years to produce a tasty alcoholic beverage (Laplace et al., 2001) [10] . In addition to wine and brandy, apple juice is currently fermented to create cider, a sparkling, fruit-flavored beverage that is enjoyed in many nations worldwide (Alberti et al., 2011) [1] . Apples naturally contain a balanced amount of nutritional salts that allow yeast to produce a stable and palatable beverage. According to Lea and Drilleau (2003) [11] , tannins are a group of poly phenols that give cider its astringency and bitterness and are crucial to its outstanding organoleptic qualities. Even more popular than beer in the eleventh and twelfth centuries, it was a prevalent beverage during the Roman invasion of England in 55 BC (Jarvis et al., 1995) [7] . Cider may be soft or firm compared to other comparable beverages, the scientific features of its manufacture are less well documented, despite the fact that it has been produced for more than two millennia (Joshi and Sharma, 2011) [9] . India produces a lot of apples, and its cider production has the potential to be a valuable tool for diversification and post-harvest loss prevention. In a previous published work, apple juice and apple base wine were blended in varying quantities to create apple cider (Banjare and Patel, 2020) [2] . However, there is no information on how apple cider is made or how different apple juice percentages affect the physical-chemical makeup and flavor of apple cider. Consequently, an attempt was made to make apple cider by mixing apple juice, yeast and sugar in varying amounts, and the outcome is shown in this message (Beech and Carr, 1977) [3] .

Materials and Methods

The present experiment entitled "Performance of Different Levels of Yeast and Sugar on Production and Quality of Apple Cider" was carried out in the Laboratory, CHRS, Saja,

Methods of Preparation of Apple Cider 1. Selection of fruits

The apple fruit was purchased from local market Raipur (C.G.) for making the cider.

Apple juice extraction

Apple fruits' juice was extracted. Fruits were peeled, cleaned, and sliced into little pieces. The apple juice was recovered by filtering the grated apple through a muslin cloth after the apples were grated using a home mixer grinder.

Quantity of sugar taken

According to the treatments, 4.5 kg of sugar were utilized in total during the study. The quantity of sugar is measured by using the weighing machine available in the laboratory.

Yeast inoculums

Using a wooden spoon, carefully swirl 0.5 g, 1.0 g, and 1.5 g of yeast powder (Saccharomyces cerevisiae) were introduced separate beakers based on the treatments. The pulp was supplemented with activated yeast based on the different treatments.

Heating of juice

To dissolve the sugar and keep the juice at the right temperature for the inoculum, it was heated for five minutes.

Preparation of must

To obtain the filtrate "must," the extracted juice (pulp) was sieved using a muslin cloth with a pore size of 0.8 mm. Since the juice had a relatively thick consistency, the slurry was further diluted in a 1:1 water to pulp ratio.

Preparation of bottles

After properly cleaning and sterilizing the bottles with hot water, they were left to dry in the sun. The procedure is carried out to lessen the possibility of microbiological contamination of the final cider.

Bottling

Sterilized bottles were filled with the prepared blended product, and the bottles were sealed with balloons. In order to release the gas during the fermentation process and to lessen the possibility of bottles exploding, tiny holes were cut on the balloons using a needle.

Fermentation

Saccharomyces cerevisiae activated media was made and used to incubate the apple must. At room temperature, the fermentation process was conducted in bottles. The content was shaken two to three times on a regular basis, and the ° Brix drop was noted. When a steady TSS was achieved, the fermentation was deemed to be finished. Airlocks were installed at the conclusion of fermentation. Apple must was tested for pH, TSS, acidity, specific gravity, and alcohol level during the fermentation process.

Clarification of Cider

After the fermentation process was finished, the resulting cider was syphoned off and filtered using syphon tubes and a sterile, clean muslin cloth. For three weeks, the cider was racked in order to clarify it.

Aging

The most crucial stage following cider preparation is cider aging, which may enhance the quality of the final product for consumption.

Observation to be recorded

Results and Discussion

The current study's findings about the effects of varying yeast and sugar concentrations on the yield and caliber of apple cider (Malus x domestica Borkh) have been examined and analyzed. Ten treatments and three replications were used in the Completely Randomized Design (CRD) of the experiment.

The following headings include the findings of a statistical analysis of the data. T 4 ((apple juice (500 ml) + yeast (0.5 g) + sugar (150 g)) was determined to be the best cider among the treatments based on both the sensory and chemical aspects (Peng et al., 2020) [15] . Because treatment T 4

produced apple cider with optimal acidity, TSS, pH, ascorbic acid, color and appearance, taste, aroma and overall acceptability up to 30 days of storage, it was clearly superior based on physio-chemical and sensory quality characteristics. Up to 30 days of storage, the color and appearance, taste, aroma and overall acceptability all were steadily improved (Jensen et al., 2009) [8] .

A statistical analysis was conducted on the preserved apple cider's color and appearance, taste, aroma and overall acceptability. The table and figure show that there were notable differences between the different treatments at 0, 15 and 30 days of storage (Jalali et al., 2013) [6] Sensory Parameters It is clear from table 2 that various treatments were used at successive stages over the course of 30 days of storage. The treatments differed significantly from one another.

Color and Appearance T 4 ((Apple juice (500ml) + yeast (0.5g) + sugar (150 g)) had the highest color score among the treatments used, with scores of 7.20, 7.50, and 7.60. T 2 ((apple juice (500ml) + yeast (1.0 g) + sugar (100 g)) had the second-highest color score, with scores of 7.10, 7.30 and 7.40 and minimum score had the T 0 ((apple juice (500 ml)) with scores of 6.0, 5.7 and 5.5 (Jarvis et al., 1955) [7] .

Aroma

The highest flavor and fragrance scores are obtained by T 4 ((apple juice (500ml) + yeast (0.5g) + sugar (150 g)) with 7.50, 7.70and 7.9. T 2 ((apple juice (500ml) + yeast (1.0 g) + sugar (100 g)) with 7.10, 7.30 and 7.60 and minimum score had the T 0 ((apple juice (500 ml)) with scores of 5.4, 5.1 and 4.9. It could be partially caused by the flavor of apple juice and partially by the masking effect of sugar. Apple juice became more palatable and less bitter as the concentration of sugar. It's possible that the high juice content enhanced the apple flavor and reduced the cider flavor, leaning more toward soft than hard cider (Jarvis et al., 1995) [7] . The main characteristic of cider is its spicy, aromatic apple flavor, which is present in all of the cider to varying degrees. It sets the ciders apart from other fermented drinks as a result.

Taste

The highest taste scores are obtained by T 4 ((apple juice (500ml) + yeast (0.5g) + sugar (150 g)) with 7.30, 7.50 and 7.70 and T 2 ((apple juice (500ml) + yeast (1.0 g) + sugar (100 g)) with 7.10, 7.30 and 7.60 and minimum score had the T 0 ((apple juice (500 ml)) with scores of 5.3, 4.9 and 4.7.According to (Mangas et al., 1993) [13] it could be partially caused by the apple juice's flavor and partially by the masking effect of sugar. The apple's composition determines the cider's flavor and taste. An increase in the amount of sugar in apple juice made it more palatable and less tough.

Overall acceptability

It is clear that various treatments at each subsequent step of storage had an impact on the overall quality. At 0, 15 and 30 days, there were notable differences between the treatments. Of the treatments used, T 4 ((apple juice (500ml) + yeast (0.5g) + sugar (150 g)) with (7.20, 7.50, and 7.80) had the highest overall quality score, followed by T 2 ((apple juice (500ml) + yeast (1.0 g) + sugar (100 g)) with (7.0, 7.30 and 7.60) that were significantly better than T 0 ((apple juice (500 ml)) with (5.40, 5.10 and 4.80) respectively. Apple juice became more palatable and less bitter as the concentration of sugar (Mangas et al., 1993) [13] .

It's possible that the high juice content enhanced the apple flavor and reduced the cider flavor, leaning more toward soft than hard cider. The main characteristic of cider is that it is spicy and astringent, which is true of all of the cider to a greater or lesser extent. It sets the cider apart from other fermented drinks as a result (Yadav et al., 2012) [18] .

Chemical Parameters

It is clear that various treatments at each point of the 30 days storage period had an impact on Table 3. The treatments differed significantly from one another.

TSS

T 4 ((apple juice (500ml) + yeast (0.5g) + sugar (150 g)) had the highest TSS (°Brix) with 7.49, 7.35 and 7.16. T 2 ((apple juice (500ml) + yeast (1.0 g) + sugar (100 g)) had the nexthighest TSS (7.17, 7.05 and 6.93) and minimum score had the T 0 ((apple juice (500 ml)) with scores of 5.68, 5.44 and 5.27. The reduction in TSS over the storage period may be due to the full use of sugar (Beera et al. (2013) [4] .

Acidity

T 4 ((apple juice (500ml) + yeast (0.5g) + sugar (150 g)) has the greatest acidity (%) with 0.53, 0.55 and 0.56. T 2 ((apple juice (500ml) + yeast (1.0 g) + sugar (100 g)) has the next highest acidity (%) with 0.49, 0.53 and 0.55 and minimum score had the T 0 ((apple juice (500 ml)) with scores of 0.31, 0.34 and 0.37 (Sahu et al., 2012) [16] . The production of specific organic acid by yeast during storage may be the cause of the apple cider's rising acidity.

pH

The pH of T 4 ((apple juice (500ml) + yeast (0.5g) + sugar (150 g)) is the highest at 2.99, 2.96 and 2.92. T 2 ((apple juice (500 ml) + yeast (1.0 g) + sugar (100 g)) comes in second with 02.95, 2.93 and 2.89 and minimum score had the T 0 ((apple juice (500 ml)) with scores of 2.72, 2.68 and 2.66 (Liu et al., 2016) [12] . A rise in acidity causes the pH of many cider to drop.

Ascorbic acid

Ascorbic acid (mg/100 g) is highest in T 4 ((apple juice (500ml) + yeast (0.5g) + sugar (150 g)) with (0.53, 0.54 and 0.57), followed by T 2 ((apple juice (500 ml) + yeast (1.0 g) + sugar (100 g)) with (0.49, 0.52 and 0.55) and minimum score had the T 0 ((apple juice (500 ml)) with scores of 0.21, 0.23 and 0.26 (Sousa et al., 2020) [17] . The decrease in ascorbic acid throughout the storage period may have been caused by heat oxidation and degradation (Patras et al., 2009) [14] . These acids might have acted as an oxygen scavenger to shield the wine from oxidative alterations. Other apple products, such pro-biotic fermented apple juices and cider, or fermented products made from apple produced as industrial by-products, are also produced via fermentation techniques (Chen et al., 2019) [5] .

Conclusion

T 4 (apple juice (500 ml) + yeast (0.5 g) + sugar (150 g)) was determined to be the best cider among the treatments based on both the sensory and chemical aspects. Due to optimal acidity, TSS, pH, ascorbic acid, color and appearance, taste, aroma, and overall quality of apple cider up to 30 days of storage, treatment T 4 was noticeably better on the basis of physio-chemical and sensory quality characteristics. Up to 30 days of storage, the color and appearance, taste, aroma and overall acceptability were steadily improved.

References

1. Alberti A, Vieira RG, Drilleau JF, Wosiacki G, Nogueira A. Apple wine processing with different nitrogen contents. Braz Arch Biol Technol. 2011;54(3):551-558.
2. Banjare A, Patel D. Preparation of apple cider: Effect of apple juice concentration on physico-chemical composition and sensory qualities of apple cider. J Pharmacogn Phytochem. 2020;9(3):1975-1977.
3. Beech FW, Carr JG. Alcoholic beverages. 1977;3(2):218-220.
4. Beera V, Mangam RB, Enthoti K. Mango cider: Standardization and screening of cultivars using different strains of Saccharomyces cerevisiae. Asian J Multidiscip Stud. 2013;1(4):35-42.
5. Chen C, Lu Y, Yu H, Chen Z, Tian H. Influence of four lactic acid bacteria on the flavor profile of fermented apple juice. Food Biosci. 2019;27(2):30-36.
6. Jalali A, Ghaffari H, Soheilifard F. Properties of four local apple varieties from north-west of Iran and bruise damage of them related to drop height. Int J Adv Biol Biomed Res. 2013;1(11):1490-1504.
7. Jarvis B, Foster MJ, Kinsella WP. Factors affecting the development of cider flavor. J Appl Bacteriol. 1995;79:155-186.
8. Jensen EN, Buch AT, Ravn HG, Dragsted L. The effects of apples on plasma cholesterol levels and cardiovascular risk. J Hortic Sci Biotechnol. 2009;1:3441.
9. Joshi VK, Sharma S, Parmar M. Cider and Perry. In: Joshi VK, editor. Handbook of Enology: Principles, Practices and Recent Innovations. Vol III. New Delhi: Asia Tech Publishers; 2011. p. 1116-1151.
10. Laplace JM, Jacquet A, Travers I, Simon JP, Auffray Y. Incidence of land and physic-chemical composition of apple on the qualitative and quantitative development of microbial flora during cider fermentation. J Inst Brew. 2001;107(4):227-233.
11. Lea AGH, Drilleau JF. Cider making. In: Lea AGH, Piggott JR, editors. Fermented Beverage Production. 2nd ed. New York: Kluwer Academic/Plenum Publishers; 2003. p. 118-124.
12. Liu SQ, Aung M, Thandar L, Lee PR, Yu B. Yeast and volatile evolution in cider co-fermentation with Saccharomyces cerevisiae and Williopsis saturnus. Ann Microbiol. 2016;66(3):307-315.
13. Mangas J, Gonzalez MP, Blanco D. Influence of cider making technology on low boiling volatile compounds. Z Lebensm Unters Forsch. 1993;197:522-524.
14. Patras K, Brunton NP, Di Pieve S, Butler F. Impact of high pressure processing on total antioxidant activity, phenolic, ascorbic acid, anthocyanin content and color of strawberry and blackberry purees. Innov Food Sci Emerg Technol. 2009;10:308-313.
15. Peng W, Meng D, Yue T, Wang Z, Gao Z. Effect of the apple cultivar on cloudy apple juice fermented by a mixture of Lactobacillus acidophilus, Lactobacillus plantarum, and Lactobacillus fermentum. Food Chem. 2020;14(2):340-348.
16. Sahu UC, Panda SK, Mohapatra UB, Ray RC. Preparation and evaluation of cider from tendu (Diospyros melanoxylon L.) fruits with antioxidants. Int J Food Ferment Technol. 2012;2:171-178.
17. Sousa A, Vareda J, Pereira R, Silva C, Câmara JS, Perestrelo R. Geographical differentiation of apple ciders based on volatile fingerprint. Food Res Int. 2020;137(3):109-115.
18. Yadav P, Garg N, Dwivedi D. Preparation and evaluation of Mahua (Bassia latifolia) Vermouth. Int J Food Ferment Technol. 2012;2(1):57-61.